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155-611: Zhengzhou is the capital of Henan , China. Located in northern Henan, it is one of the nine national central cities in China, and serves as the political, economic, technological, and educational center of the province. The Zhengzhou metropolitan area (including Zhengzhou and Kaifeng ) is the core area of the Central Plains Economic Zone . The city lies on the southern bank of the Yellow River . Zhengzhou

310-522: A 134.1 km (83.3 mi) long network. The first two lines ( Line 1 and Line 2 ) were approved by the National Development and Reform Commission in Feb. 2009. Construction of the two lines started in 2009 and 2010, and were finished in 2013 and 2015 respectively. The Chengjiao Line (planned to be part of Line 9), which is now in through operations with Line 2, allows the system to serve

465-669: A drastic eastward turn at its confluence with the Wei at Tongguan in Shaanxi . However, the official division for the middle reaches of the river run from Hekou in Togtoh County , Inner Mongolia , to Zhengzhou , Henan . The middle reaches are 1,206 km (749 mi) long, with a basin area of 344,000 square kilometers (133,000 sq mi), 45.7% of the total, with a total elevation drop of 890 m (2,920 ft), an average drop of 0.074%. There are 30 large tributaries along

620-719: A failed attempt to protect his realm's capital from the Later Tang . A similar proposal from the Song engineer Li Chun concerning flooding the lower reaches of the river to protect the central plains from the Khitai was overruled in 1020: the Chanyuan Treaty between the two states had expressly forbidden the Song from establishing new moats or changing river courses. Breaches occurred regardless: one at Henglong in 1034 divided

775-516: A full peasant uprising erupted and was only defeated after twenty days of fighting. A destructive flooding of the Huai River in the summer of 1950 prompted large-scale construction of dams on its tributaries in central and southern Henan. Unfortunately, many of the dams were not able to withstand the extraordinarily high levels of rainfall caused by Typhoon Nina in August 1975. Sixty-two dams,

930-472: A major flood of the regional center Sizhou and Pan's dismissal from court. Subsequently, the river's 1680 flood entirely submerged Sizhou and the nearby Ming Zuling tombs beneath Hongze Lake for centuries until modern irrigation and flood control lowered the water level enough to permit their excavation and the tombs' restoration. Between 1851 and 1855 , the Yellow River returned to the north amid

1085-421: A million people displaced and at least 300 people dead. Located just north of the province's centre and south of the Yellow River , Zhengzhou borders Luoyang to the west, Jiaozuo to the northwest, Xinxiang to the northeast, Kaifeng to the east, Xuchang to the southeast, and Pingdingshan to the southwest. With the land within its administrative borders generally sloping down from west to east, Zhengzhou

1240-452: A new channel and inundating most farmland, cities or towns in its path. The traditional Chinese response of building higher and higher levees along the banks sometimes also contributed to the severity of the floods: When flood water did break through the levees, it could no longer drain back into the river bed as it would after a normal flood, as the river bed was sometimes now higher than the surrounding countryside. These changes could cause

1395-425: A nominal GDP of CN¥5.88 trillion (US$ 926 billion) as of 2021, ahead of the nation of Turkey ($ 815 billion). If it were a country, it would be the 18th-largest economy as of 2021. However, its GDP per capita is low compared to other eastern and central provinces. The economy continues to grow based on aluminum and coal prices, as well as agriculture, heavy industry , tourism and retail. High-tech industries and

1550-548: A north–south extent of about 1,100 km (680 mi). Its total drainage area is about 795,000 square kilometers (307,000 sq mi). According to the China Exploration and Research Society, the source of the Yellow River is at 34°29′31″N 96°20′25″E  /  34.49194°N 96.34028°E  / 34.49194; 96.34028 in the Bayan Har Mountains near the eastern edge of

1705-519: A population of approximately 93.6 million, Henan is the third most populous Chinese province after Guangdong and Shandong. It is also the fifth most populous sub-national division in the world. If it were a country by itself, it would be the twelfth most populous in the world, just behind Mexico and ahead of the Philippines. However, the hukou system shows Henan as the most populous province in China with over 103 million people, as it counts

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1860-553: A sect that is endogenous to Henan is the Tianxian miaodao ). According to a 2007 survey, approximately 8% of the Henanese believe in and are involved in ancestor veneration , the traditional Chinese religion of the lineages organised into lineage churches and ancestral shrines . The Government of Henan is structured in a dual party-government system like all other governing institutions in mainland China. The Governor of Henan

2015-747: A standard military tactic during the Warring States period . As the Yellow River valley was the major entryway to the Guanzhong area and the state of Qin from the North China Plain , Qin heavily fortified the Hangu Pass ; it saw numerous battles and was also an important chokepoint protecting the Han capitals of Chang'an and Luoyang . Major flooding in AD 11 is credited with the downfall of

2170-415: A tractor-assembly plant, and a thermal generating station. The city's industrial growth has resulted in a large increase in the population, coming predominantly from industrial workers from the north. A water diversion project and pumping station, built in 1972, has provided irrigation for the surrounding countryside. The city has an agricultural university. In July 2021, record breaking floods left over

2325-555: A vast granary complex was established to supply the capitals at Luoyang and Chang'an to the west and the frontier armies to the north. In the Song period, however, the transfer of the capital eastward to Kaifeng robbed Zhengzhou of much of its importance. In 1903 the Beijing – Hankou Railway arrived at Zhengzhou, and in 1909 the first stage of the Longhai Railway gave it an east–west link to Kaifeng and Luoyang; it later

2480-414: Is China's first Airport Economy Zone. As of the 2020 Chinese census , the prefecture-level city of Zhengzhou had a population of 12,600,574 inhabitants, whom 10,260,667 lived in its built-up (or metro) area made of 6 urban districts plus Zhongmu county, Xinzheng and Xingyang cities now largely being conurbated. The city had a total GDP of 1.014 trillion (RMB) in 2018. Greater Zhengzhou was named as one of

2635-580: Is Laoyachanao ( 老鸦岔垴 ). The Yellow River passes through central Henan. It enters from the northwest, via the Sanmenxia Reservoir . After it passes Luoyang, the mountains gave way to plains. Excessive amount of sediments are formed due to the silt it picks up from the Loess Plateau, raising the river bed and causing frequent floods which shaped the habitat of the region. More recently however, construction of dams and levees , as well as

2790-504: Is a major hub of China's domestic and international transportation network; for example, it is connected to Europe and has an international airport. Zhengzhou is a National Civilized City  [ zh ] and a State-list Famous Historical and Culture City . As of 2020, there are two World Cultural Heritage Sites in Zhengzhou. The Zhengzhou Commodity Exchange (ZCE) is China's first futures exchange. Zhengzhou Airport Economy Zone

2945-571: Is added. Riders can use cash, a physical metro card, or QR code payment available on Alipay or WeChat apps to pay for the ride. Zhengzhou has a bus system with over 5,700 bus vehicles, operated by the Zhengzhou Bus Communication Corporation (ZZB). The operations of Zhengzhou Bus Rapid Transit commenced in 2009. The system consists of 5 main routes ( B1 , B2 , B3 , B5 and B6 ) with dedicated bus lanes and dozens of branch routes that serve most areas of

3100-489: Is also the world's seventh-most populous administrative division; if it were a country by itself, Henan would be the 14th-most populous in the world , ahead of Egypt and Vietnam . People from Henan often suffer from regional discrimination . Henan is the 5th-largest provincial economy of China, the second-largest in South Central China after Guangdong , and the largest among inland provinces, with

3255-461: Is another important agricultural and population center, with culture and history distinct from the rest of Henan and closer to that of Hubei's. Unlike the rest of northern China, desertification is not a problem in Henan, though sandstorms are common in cities near the Yellow River due to the large amount of sand present in the river. At 2413.8 meters above sea level, the highest point in Henan province

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3410-420: Is at the western edge of Zhengzhou city. Main attractions of Zhengzhou include: Zhengzhou, along with Xi'an , Chengdu , Chongqing and Wuhan , are some of the most economically important cities in inland China. Zhengzhou is the economic center of the province and the surrounding areas such as southeastern Shanxi and southwestern Shandong . Due to its strategic location in one of the most populous areas in

3565-401: Is continuously deposited along the bottom of its channel. The sedimentation causes natural dams to slowly accumulate. These subaqueous dams are unpredictable and generally undetectable. Eventually, the enormous amount of water needs to find a new way to the sea, forcing it to take the path of least resistance . When this happens, it bursts out across the flat North China Plain , sometimes taking

3720-491: Is dedicated to high-speed trains and is one of the largest in Asia and Zhengzhou Hangkonggang railway station is a new high-speed railway hub dedicated to Zhengzhou Airport Economy Zone . Zhengzhou North railway station  [ zh ] , over 6,000 metres (20,000 ft) long and over 800 metres (2,600 ft) wide, has been described as Asia's largest classification yard . The surrounding area of Zhengzhou, along with

3875-421: Is hoped that the province may become an important transportation and manufacturing hub in the years to come. In July 2021, extreme flooding inflicted an estimated US$ 12.7 billion of economic damage in Henan. Henan has some of the most advanced transportation system in China due to its flat terrain and its location at the heart of central China's construction boom . The Jingguang and Longhai Railway ,

4030-646: Is located in the Yellow River valley where ancient people lived. Intricate pottery, writing and musical instruments of the Peiligang Culture and Yangshao Culture arose during neolithic times. Three of the Seven Ancient Capitals of China are in Henan: Luoyang , Kaifeng and Anyang . 16 historical sites in Henan are protected at the national level and 267 more at the provincial level. Yellow River The Yellow River

4185-519: Is not only known as one of China's most important Buddhist shrines, but also as the ancient centre of Chinese Kung-fu . Shaolin Monastery and its famed Pagoda Forest were inscribed as a UNESCO World Heritage Site in 2010. The Henan Museum is one of China's most important museums. It has a collection of more than 130,000 cultural objects includes exhibitions from prehistoric times (such as dinosaur fossils and prehistoric human remains) through to

4340-439: Is one of the only four future exchanges (inc. Shanghai Futures Exchange and Dalian Commodity Exchange and China Financial Futures Exchange ) in China and is becoming an important global player specialised in agricultural future exchange. Equipped with newly built facilities such as Zhengzhou International Conference and Exhibition Center . Third party logistics (3PL) in Zhengzhou has also been experiencing industrial boom during

4495-568: Is running to the sea with sufficient volume, 1.4 billion tons are carried to the sea per year. One estimate gives 34 kilograms of silt per cubic meter, as opposed to 10 for the Colorado and 1 for the Nile . Its average discharge is said to be 2,110 cubic meters per second (32,000 for the Yangtze), with a maximum of 25,000 and minimum of 245. However, since 1972, it often runs dry before it reaches

4650-546: Is situated at the transitional zone between the North China Plain to the east and the Song Mountains and Xionger Mountains to the west, which are part of the greater Qinling range. The city centre is situated to the south of the middle reach of the Yellow River, where its valley broadens into the great plain. Zhengzhou is at the crossing point of the north–south route skirting the Taihang Mountains and

4805-655: Is the highest-ranking official in the People's Government of Henan. However, in the province's dual party-government governing system, the Governor has less power than the Henan Chinese Communist Party Provincial Committee Secretary, colloquially termed the "Henan CCP Party Chief ". Henan has seen rapid development in its economy over the past two decades, and its economy has expanded at an even faster rate than

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4960-616: Is the second-longest river in China and the sixth-longest river system on Earth, with an estimated length of 5,464 km (3,395 mi) and a watershed of 795,000 km (307,000 sq mi). Beginning in the Bayan Har Mountains , the river flows generally eastwards before entering the 1,500 km (930 mi) long Ordos Loop, which runs northeast at Gansu through the Ordos Plateau and turns east in Inner Mongolia . The river then turns sharply southwards to form

5115-585: The 1332–33 flood or 1344 Yellow River flood during the Yuan dynasty , the 1887 flood during the Qing dynasty which killed anywhere from 900,000 to 2 million people, and a Republic of China era 1931 flood (part of a massive number of floods that year ) that killed 1–4 million people. The cause of the floods is the large amount of fine-grained loess carried by the river from the Loess Plateau , which

5270-479: The 1494 flood . The river flooded many times in the 16th century, including in 1526, 1534, 1558, and 1587. Each flood affected the river's lower course. The 1642 flood was man-made, caused by the attempt of the Ming governor of Kaifeng to use the river to destroy the peasant rebels under Li Zicheng who had been besieging the city for the past six months. He directed his men to break the dikes in an attempt to flood

5425-560: The Bayan Har Mountains , and the Anemaqen ( Amne Machin ) Mountains in Qinghai. The river water is clear and flows steadily. Crystal clear lakes are characteristic of this section. The two main lakes along this section are Lake Gyaring (Zhaling) and Lake Ngoring (Eling), with capacities of 4.7 billion and 10.8 billion m (166 and 381 billion ft ), respectively. At elevations over 4,290 m (14,070 ft) above sea level they are

5580-622: The Chinese culture in a process known as sinification . The short-lived Sui dynasty reunified China again in 589 with its capital back in Chang'an. It collapsed due to Sui Emperor Yang's costly attempt to relocate the capital from Chang'an to Luoyang and the construction of many extravagant palaces there. The succeeding Tang dynasty (618–907) kept its capital in Chang'an , marking the beginning of China's second golden age, with Henan being one of

5735-534: The Eastern Han dynasty (25–220) began, extending the golden age for another two centuries. The late Eastern Han dynasty saw war and rivalry between regional warlords. Xuchang in central Henan was the power base of Cao Cao , who eventually succeeded in unifying all of northern China under the Kingdom of Wei . Wei then moved its capital to Luoyang, which remained the capital after the unification of China by

5890-932: The First Emperor of China in 260 BC. Since 1950, archaeological finds in a walled city in Eastern Zhengzhou have provided evidence of Shang dynasty settlements in the area around 1600 BC. Outside this city, remains of large public buildings and a complex of small settlements have been discovered. The site is generally identified with the Shang capital of Ao and is preserved in the Shang dynasty Ruins monument in Guanchen District. The Shang, who continually moved their capital due to frequent natural disasters, left Ao at around 13th century BC. The site, nevertheless, remained occupied; Zhou (post-1050 BC) tombs have also been discovered. Legend suggests that in

6045-462: The Gulf of Bohai , draining a basin of 752,443 square kilometers (290,520 sq mi) which nourishes 140 million people with drinking water and irrigation. The Yellow River passes through seven present-day provinces and two autonomous regions , namely (from west to east) Qinghai , Sichuan , Gansu , Ningxia , Inner Mongolia , Shaanxi , Shanxi , Henan , and Shandong . Major cities along

6200-531: The Late Miocene , Pliocene or Pleistocene , as a result of the Tibetan Plateau being uplifted. The river has long been critical to the development of northern China, and is regarded by scholars as a cradle of civilization . Flooding of the river has also caused much destruction, including multiple floods that have resulted in the deaths of over one million people. Among the deadliest were

6355-659: The Mongol onslaught. In 1234 they succumbed to combined Mongol and Song dynasty forces. Mongols took control, and in 1279 they conquered all of China, establishing the Yuan dynasty and set up the equivalent of modern Henan, with borders very similar to the modern ones. Neither its territories nor its role in the economy changed under later dynasties. Henan remained important in the Ming dynasty (1368–1644) and Qing dynasty (1644–1911) that followed, though its economy slowly deteriorated due to frequent natural disasters. The Qing dynasty

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6510-667: The Second Sino-Japanese War , Nationalist troops under Chiang Kai-shek broke the levees holding back the river near the village of Huayuankou in Henan, causing what has been called by Canadian historian, Diana Lary, a "war-induced natural disaster". The goal of the operation was to stop the advancing Japanese troops by following a strategy of "using water as a substitute for soldiers". The 1938 flood of an area covering 54,000 km (20,800 sq mi) took some 500,000 to 900,000 Chinese lives, along with an unknown number of Japanese soldiers. The flood prevented

6665-705: The Shaanxi loess plateau, it is referred to as 'river, my lord' ( 老爺河 , [lo˦˩˨ i˧ xɤu̯˧] ) in the Jin language. In Mongolian , it is called Šar mörön ( Шар мөрөн 'yellow river') or Khatan gol ( Хатан гол 'queen river'). The river is mentioned in the Kul Tigin stele as the 'green river' ( Old Turkic : yašïl ügüz , 𐰖𐱁𐰞𐰽𐰺𐰍). The Tibetan name is "River of the Peacock" ( Tibetan : རྨ ་ ཆུ , Wylie : rma.chu , THL : Ma chu ; 玛曲 ; 瑪曲 ; Mǎ qǔ ). The Yellow River first formed sometime during

6820-626: The Sui dynasty (AD 582), even though it was located in Chenggao, another town. The government moved to the contemporary city during the Tang dynasty . It achieved its greatest importance under the Sui (AD 581–618), Tang (618–907), and early Song (960–1127) dynasties, when it was the terminus of the New Bian Canal , which joined the Yellow River to the northwest. There, at a place called Heyin,

6975-553: The Xia dynasty originated on its banks around 2100 BC; Sima Qian 's Shiji ( c.  91 BC ) record that the Xia were founded after the tribes around the Yellow River united to combat the frequent floods in the area. The river has provided fertile soil for agriculture, but since then has flooded and changed course frequently, with one estimate counting 1,593 floods in the 2,540 years between 595 BC and 1946 AD. As such,

7130-425: The Xia dynasty , the first and largely legendary Chinese dynasty that was established, roughly, in the 21st century BC. Virtually the entire kingdom existed within what is now north and central Henan. The Xia dynasty collapsed around the 16th century BC following the invasion of Shang , a neighboring vassal state centered around today's Shangqiu in eastern Henan. The Shang dynasty (16th–11th centuries BC)

7285-535: The Yangtze : one in the western headwaters of the rivers where they are closest to one another, another from the upper reaches of the Han River , and a third using the route of the old Grand Canal . Due to its heavy load of silt the Yellow River is a depositing stream – that is, it deposits part of its carried burden of soil in its bed in stretches where it is flowing slowly. These deposits elevate

7440-589: The Yangtze River Delta , Pearl River Delta and the Bohai Economic Rim , has the highest highway density nationwide. Zhengzhou is the center of Henan expressway network that provides 1–2 hours road trip to surrounding cities of Kaifeng , Xinxiang , Xuchang , Jiaozuo and Luoyang . Other major cities within the province can be reached in 3 hours. The expressway network and national highways also links Zhengzhou to all major cities in

7595-553: The Yellow River have caused significant damage from time to time. Kaifeng , in particular, has been buried by China's Yellow River's silt seven times due to flooding. Archaeological sites reveal that prehistoric cultures such as the Yangshao Culture and Longshan Culture were active in what is now northern Henan since the Neolithic Era . The more recent Erlitou culture has been controversially identified with

7750-643: The Yushu Tibetan Autonomous Prefecture . The source tributaries drain into Gyaring Lake and Ngoring Lake on the western edge of Golog Prefecture high in the Bayan Har Mountains of Qinghai . In the Zoige Basin along the boundary with Gansu , the Yellow River loops northwest and then northeast before turning south, creating the " Ordos Loop ", and then flows generally eastward across the North China Plain to

7905-608: The Zhengzhou Xinzheng International Airport . A total of 21 metro lines have been planned to connect all areas in Great Zhengzhou Metropolitan Area. As of 2024, Zhengzhou Metro operates 9 inner-city metro lines (Line 1; Line 2; Line 3; Line 4; Line 5 Inner Ring; Line 5 Outer Ring; Line 6; Line 10; Line 12; and Line 14). In addition, the city operates two metro lines connecting to the suburbs (Suburban Line) and to

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8060-540: The Zhengzhou–Jinan high-speed railway , planned for 2023, will complete a star-shaped (referred to as a "米"-shaped) network of eight high-speed lines radiating out from the city. Zhengzhou is also the hub of intercity railways in Henan . Currently there are three intercity railways from Zhengzhou: Zhengzhou–Kaifeng intercity railway , Zhengzhou–Jiaozuo intercity railway and Zhengzhou–Xinzheng Airport intercity railway are in operation. Zhengzhou East railway station

8215-721: The "Prominent Award for City Planning Design" at the first session of Annual Meeting of the World Architects Alliance in 2002. Zhengdong New Area is mainly constituted by the CBD area, the Longhu commercial and residential area, the Longzihu college area, and the Zhengzhou East railway station commercial area. Zhengzhou High & New Technology Industries Development Zone was established in 1988, and approved by

8370-421: The 'Earth Suspended River' . At Kaifeng , Henan, the Yellow River is 10 meters (33 ft) above the ground level. Tributaries of the Yellow River listed from its source to its mouth include: The lower reaches of the Yellow River have no tributaries. The Yellow River is notable for the large amount of silt it carries—1.6 billion tons annually at the point where it descends from the Loess Plateau . If it

8525-483: The 11th century reigns of the Renzong and Shenzong emperors, when the river repeatedly broke its levees and migrated north and west, officials battled over whether expensive measures should be taken to return the river to its former channels. The Shenzong emperor ultimately decreed that the river be allowed to remain in its new course. Traditional flood control techniques made use of levees , revetments to absorb

8680-898: The 13 emerging mega-cities in China in a July 2012 report by the Economist Intelligence Unit , and officially named as the eighth National Central City in 2017 by the central government in Beijing. Zhengzhou is a major city for scientific research, appearing among the world's top 100 cities as tracked by the Nature Index . The city is home to several national key universities in China, notably Zhengzhou University , Henan University , Henan Agricultural University , Henan University of Chinese Medicine , and Henan University of Technology . The Shang dynasty established Aodu ( 隞都 ) or Bodu ( 亳都 ) in Zhengzhou. This prehistorical city had become abandoned as ruins long before

8835-399: The 1970s, and until recently, the river frequently did not reach the sea. Since 2003, China has been working on the South–North Water Transfer Project to alleviate the strain on the river's water supply. When the Yellow River was still somewhat clear, it was simply referred to as 'the river' ( 河 , Old Chinese : *gâi ). Observations made at the Yumenkou gorge, where the river leaves

8990-506: The Bayan Har Mountains and ending at Hekou Town ( Togtoh County ), Inner Mongolia just before it turns sharply to the south. This segment has a total length of 3,472 kilometers (2,157 mi) and total basin area of 386,000 square kilometers (149,000 sq mi), 51.4% of the total basin area. Along this length, the elevation of the Yellow River drops 3,496 meters (11,470 ft), with an average grade of 0.10%. The source section flows mainly through pastures, swamps, and knolls between

9145-533: The East Asian monsoon , and generally cool to cold, windy, dry winters that reflect the influence of the vast Siberian anticyclone . Temperatures average around the freezing mark in January and 27 to 28 °C in July. A great majority of the annual rainfall occurs during the summer. Henan is divided into seventeen prefecture-level divisions : all prefecture-level cities ; along with one directly administered county-level city (a sub-prefecture-level city ): ** – Directly administered county-level divisions (Jiyuan

9300-415: The Eastern Han dynasty 1900 years ago, is one of the oldest Confucian Temples in China. Other important architectural heritage sites in the city center include Town God Temple and Erqi Memorial Tower . One internationally known tourist attraction is the Shaolin Monastery (少林寺), which is in Dengfeng , about 90 kilometres (56 miles) southwest of downtown Zhengzhou (1.5 hours by coach). The Shaolin Monastery

9455-480: The GDP of Turkey of 815 billion. If it were a country, it would be the 18th-largest economy as well as the 14th most populous as of 2021. However, per capita GDP is low compared to other eastern and central provinces. Henan is a semi-industrialized economy with an underdeveloped service sector . Agriculture has traditionally been a pillar of its economy, with the nation's highest wheat and sesame output and second highest rice output, earning its reputation as

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9610-485: The Japanese Army from taking Zhengzhou , on the southern bank of the Yellow River, but did not stop them from reaching their goal of capturing Wuhan , which was the temporary seat of the Chinese government and straddles the Yangtze River . In 1954, the People's Republic of China announced its General Plan to Fundamentally Control Yellow River Flood Disasters and Develop Yellow River Waterworks. It sought to address both flooding risks and to convert rainfall-fed fields of

9765-418: The Jinshan Valley. The abundant hydrodynamic resources stored in this section make it the second most suitable area to build hydroelectric power plants. The famous Hukou Waterfall is in the lower part of this valley on the border of Shanxi and Shaanxi . In the lower reaches, from Zhengzhou to its mouth, a distance of 786 km (488 mi), the river is confined to a levee -lined course as it flows to

9920-438: The North China Plain to irrigated agriculture. Construction began in earnest in 1957. From the 1970s to the 1990s, the dry-up trends accelerated, with the Yellow River failing to reach its mouth for an average of approximately 180 days per year in the 1990s. In 1997, the Yellow River did not reach the sea for 226 consecutive days. The Yellow River basin has an east–west extent of about 1,900 kilometers (1,180 mi) and

10075-413: The Western Jin dynasty . During this period Luoyang became one of the largest and most prosperous cities in the world, despite being repeatedly damaged by warfare. With the fall of the Western Jin dynasty in the 4th and 5th centuries, nomadic peoples from the north invaded northern China and established many successive regimes in northern China, including Henan. These people were gradually assimilated into

10230-438: The Western Zhou period (1111–771 BC) the site became the fief of a family named Guan . From this derives the name borne by the county ( xian ) since the late 6th century BC— Guancheng (City of the Guan). The city first became the seat of a prefectural administration in AD 587, when it was named Guanzhou . In 605 it was first called Zhengzhou—a name by which it has been known virtually ever since. The name Zhengzhou came from

10385-442: The Yangtze delta Jiangnan region (modern southern Jiangsu , northern Zhejiang , and Shanghai) made this the new center of Chinese culture and economy. Kaifeng served as the Jurchen's "southern capital" from 1157 (other sources say 1161) and was reconstructed during this time. But the Jurchen kept their main capital further north, until 1214, when they were forced to move the imperial court southwards to Kaifeng in order to flee

10540-408: The Yellow River Basin by the south dike of the Yellow River. The total drop in elevation of the lower reaches is 93.6 m (307 ft), with an average grade of 0.012%. The silts received from the middle reaches form sediments here, elevating the river bed. Excessive sediment deposits have raised the riverbed several meters above the surrounding ground. That is why this part of the river is called

10695-521: The Yellow River has been considered a blessing and a curse throughout history, and has been nicknamed both "China's Pride" and "China's Sorrow". The Yellow River's basin presently has a population of 120 million people, while over 420 million people live in the immediate provinces which rely on it as a water source. The basin comprises 13 percent of China's cultivated land area. The area receives very uneven rainfall, only 2 percent of China's water runoff —water and sediment flow has decreased five-fold since

10850-421: The Yellow River is 3.91 billion tons in 1933. The highest silt concentration level was recorded in 1977 at 920 kg/m (57.4 lb/ft ). These sediments later deposit in the slower lower reaches of the river, elevating the river bed and creating the famous "river above ground". From Hekou to Yumenkou, the river passes through the longest series of continuous valleys on its main course, collectively called

11005-434: The Yellow River shifted completely south of Shandong Peninsula and flowed into the Yellow Sea . By 1194, the mouth of the Huai had been blocked. The buildup of silt deposits was such that even after the Yellow River later shifted its course, the Huai could no longer flow along its historic course, but instead, its water pools into Hongze Lake and then runs southward toward the Yangtze River . A flood in 1344 returned

11160-482: The Yellow River south of Shandong. The Yuan dynasty was waning, and the emperor forced enormous teams to build new embankments for the river. The terrible conditions helped to fuel rebellions that led to the founding of the Ming dynasty . The course changed again in 1391 when the river flooded from Kaifeng to Fengyang in Anhui . It was finally stabilized by the eunuch Li Xing during the public works projects following

11315-760: The Zone has been making great efforts to promote the development of software, information technologies, new materials, bio-pharmaceutical and photo-machinery-electronic industries. Zhengzhou Economic and Technological Development Zone was approved as state-level development zone on 13 February 2000. The zone has a developed area of 7 square kilometres (3 square miles) Industries encouraged include Electronics Assembly & Manufacturing, Telecommunications Equipment, Trading and Distribution, Biotechnology/Pharmaceuticals, Instruments & Industrial Equipment Production, Medical Equipment and Supplies, Shipping/Warehousing/Logistics and Heavy Industry. Zhengzhou (Henan) Export Processing Zone

11470-595: The border between Shanxi and Shaanxi , turns eastwards at its confluence with the Wei River , and flows across the North China Plain before emptying into the Bohai Sea . The river is named for the yellow color of its water, which comes from the large amount of sediment discharged into the water as the river flows through the Loess Plateau . The Yellow River basin was the birthplace of ancient Chinese civilization . According to traditional Chinese historiography ,

11625-437: The breadbasket of China. Henan is also an important producer of beef, cotton, maize, pork, animal oil , and corn. Although Henan's industry has traditionally been based on light textiles and food processing , recent developments have diversified the industry sector to metallurgy , petrol, cement, chemical industry , machinery and electronics . Mining-related industries are a major part of Henan's economy. Henan has

11780-480: The capital and political and economical center was moved away from Henan for the first time. The Spring and Autumn period , a period of warfare and rivalry, began in 721 BC. What is now Henan and all of China was divided into a variety of small, independent states, constantly at war for control of the central plain. Although regarded formally as the ruler of China, the control that Zhou king in Luoyang exerted over

11935-421: The center of the city commemorates the strike. On 10 June 1938, Chiang Kai-shek's National Revolutionary Army opened up the dikes retaining the Yellow River at Huayuankou between Zhengzhou and Kaifeng, in an effort to stem the tide of invading Japanese ; however, the ensuing 1938 Yellow River flood also killed hundreds of thousands of Chinese. Zhengzhou also has a locomotive and rolling-stock repair plant,

12090-431: The city of Zhengzhou on July 20, killing at least 300 people, including 14 who drowned in a subway tunnel." Although an emergency alert was issued the day before the flood, businesses and subways remained open. From 4pm to 5pm on 21 July, 7.95 inches of rain fell. A collapsed retaining wall allowed water to pour into subway tunnels. "The Chinese government now appears to be acknowledging missteps by local officials, as well as

12245-604: The city one of the main built-up areas of the province. Zhengzhou was the capital of China during the Shang dynasty . Parts of the Shang-era capital city wall that were built 3,600 years ago still remain in Downtown Zhengzhou (see Zhengzhou Shang City ). Zhengzhou maintains abundant cultural heritages that reflect its history as well as the culture of Henan Province. Zhengzhou Confucius Temple , initially built during

12400-419: The city receives 1,905 hours of sunshine per year, which is around 43% of the possible total. In 2019, there were 177 good days in Zhengzhou, an increase of 9 days year-on-year, and 48.5% of the good days reached the standard. There were 24 days of heavy pollution, 9 days less than last year. On 20 July 2021, "The heaviest hour of rainfall ever reliably recorded in China crashed like a miles-wide waterfall over

12555-1055: The city. Zhengzhou is the junction of the Longhai Railway ( Lianyungang , Jiangsu – Lanzhou , Gansu ) and the Beijing–Guangzhou Railway as well as a major national railway hub. The main railway station for these conventional services is Zhengzhou railway station , opened in 1904. Zhengzhou is also on the Beijing–Guangzhou–Shenzhen–Hong Kong high-speed railway and the Xuzhou–Lanzhou High-Speed Railway . The high-speed rail network provides fast train services to most major cities in China, including Beijing (2.5 hours), Guangzhou (6 hours), Xi'an (2 hours), Wuhan (2 hours), Shanghai (4 hours), Nanjing (3 hours), Hangzhou (5 hours), and Hong Kong (6.5 hours). Proposed high-speed railways from Zhengzhou to Chongqing , Hefei , Jinan and Taiyuan are under construction. The completion of

12710-527: The core of the Han Chinese homeland for the first time. The empire quickly collapsed after the death (210 BCE) of Ying Zheng and was replaced by the Han dynasty in 206 BC, with its capital at Chang'an. Thus, a golden age of Chinese culture, economy, and military power began. The capital moved east to Luoyang in 25 AD, in response to a coup in Chang'an that created the short-lived Xin dynasty . Luoyang quickly regained control of China, and

12865-541: The country. Henan Henan is a province in Central China . Henan is home to many heritage sites, including Yinxu , the ruins of the final capital of the Shang dynasty ( c.  1600  – c.  1050 BC ) and the Shaolin Temple . Four of the historical capitals of China , Luoyang , Anyang , Kaifeng and Zhengzhou , are in Henan. While the province's name means 'south of

13020-482: The country. Zhengzhou East Railway Station is one of the largest high speed railway stations in China and the world. Henan's expressway system is highly developed and the total length is approximately 5,000 km (3,100 mi), the highest total for any Chinese province. The state of air transport is less stellar, the only 3 public airports are located in Xinzheng (near Zhengzhou), Luoyang , and Nanyang . Henan

13175-420: The course in three and repeatedly flooded the northern regions of Dezhou and Bozhou . The Song worked for five years futilely attempting to restore the previous course – using over 35,000 employees, 100,000 conscripts, and 220,000 tons of wood and bamboo in a single year  – before abandoning the project in 1041. The more sluggish river then occasioned a breach at Shanghu that sent

13330-410: The cradles of Chinese civilization along with the provinces of Shanxi and Shaanxi, Henan is known for its historical prosperity and periodic downturns. The economic prosperity resulted from its extensive fertile plains and its location at the heart of the country. However, its strategic location also means that it has suffered from nearly all of the major wars in China. In addition, the numerous floods of

13485-460: The deaths of at least 13 third-grade students between nine and ten years old. In the same month also the 2024 Pingdingshan mining explosion occurred. Henan has a diverse landscape with floodplains in the east and mountains in the west. Much of the province forms part the densely populated North China Plain , an area known as the "breadbasket of China". The Taihang Mountains intrude partially into Henan's northwestern borders from Shanxi , forming

13640-413: The depletion of water resources have ended the floods. The Huai River in southern Henan is another important river, and has been recognized as part of the boundary dividing northern and southern Chinese climate and culture . Henan shares borders with six other provinces. It is bordered to the west by Shaanxi , to the south by Hubei , and to the north by Shanxi (northwest) and Hebei (northeast). To

13795-489: The early 1970s, China was one of the poorest countries in the world, and Henan was one of the poorest provinces in China. In 1978, however, when the communist leader Deng Xiaoping initiated the open door policy and embraced capitalism, China entered an economic boom that continues today. The boom did not reach inland provinces such as Henan initially, but by the 1990s Henan's economy was expanding at an even faster rate than that of China overall. In November 2004, martial law

13950-420: The east lie Shandong (northeast) and Anhui (southeast), whose borders meet at a narrow strip of land which separates Henan from Jiangsu to the east. Henan has a temperate climate that is humid subtropical ( Köppen Cwa or Cfa ) to the south of the Yellow River and bordering on humid continental (Köppen Dwa ) to the north. It has a distinct seasonal climate characterised by hot, humid summers due to

14105-681: The eastern edge of Loess Plateau . To the west the Xionger and Funiu Mountains form an extensive network of mountain ranges and plateaus, supporting one of the few remaining temperate deciduous forests which once covered all of Henan. The renowned Mount Song and its Shaolin Temple is located in the far east of the region, near the capital city Zhengzhou. To the far south, the Dabie Mountains divides Hubei from Henan. The Nanyang Basin , separated from North China Plain by these mountains,

14260-442: The easternmost county of Zhongmu is a vast, fertile floodplain, with the counties in between being hilly transitions. Zhengzhou experiences a monsoon-influenced, four-season humid subtropical climate ( Köppen climate classification Cwa ), with cool, dry winters and hot, humid summers. Spring and autumn are dry and somewhat abbreviated transition periods. The city has an annual mean temperature of 15.4 °C (59.7 °F), with

14415-442: The end of 2006, Zhengzhou had a total population of over 7 million, of which 2.88 million lived in rural areas. Its main products include apples , paulownia , tobacco , maize , cotton , and wheat . In addition, Zhengzhou also produces Yellow River carp , Zhengzhou watermelons , Xinzheng jujube , Xingyang dried persimmons , Guangwu Pomegranate and Zhongmu garlic , all of which are specialties that are rarely found outside

14570-535: The energy of the water, overflow basins, drainage canals and polders . Treatises on traditional flood control techniques were written by officials such as Pan Jixun , who argued that joining branches of the river increased the water's power and this in turn increased its ability to flush sediment. The difficult situation around the confluence of the Yellow River, the Huai, and the Grand Canal, however, still led to

14725-417: The feudal kingdoms had virtually disappeared. Despite the prolonged period of instability, prominent philosophers such as Confucius emerged in this era and offered their ideas on how a state should be run. Laozi , the founder of Taoism , was born in northern Chu , part of modern-day Henan. Later on, these states were replaced by seven large and powerful states during the Warring States period , and Henan

14880-541: The floods that provoked the Nien and Taiping Rebellions . The 1887 flood has been estimated to have killed between 900,000 and 2 million people, and is the second-worst natural disaster in history (excluding famines and epidemics). The Yellow River more or less adopted its present course during the 1897 flood . The 1931 flood killed an estimated 1,000,000 to 4,000,000, and is the worst natural disaster recorded (excluding famines and epidemics). On 9 June 1938, during

15035-426: The government. Despite these efforts the problem seems to have become far worse. Based on a 2009 British Medical Journal study, the ratio is over 140 boys for every 100 girls in the 1–4 age group; this might be a strong exaggeration, as many families with more than one child do not register their daughters to the hukou in order to escape fines. Religion in Henan (2012) According to a 2012 survey only around 13% of

15190-456: The ice dams before they become dangerous. Before modern dams appeared in China, the Yellow River used to be extremely prone to flooding. In the 2,540 years from 595 BC to 1946 AD, the Yellow River has been reckoned to have flooded 1,593 times, shifting its course 26 times noticeably and nine times severely. These floods include some of the deadliest natural disasters ever recorded. Before modern disaster management, when floods occurred, some of

15345-654: The largest city in China and in the world. In 1127, however, the Song dynasty succumbed to Jurchen ( Jin dynasty ) invaders from the north in the Jin–Song war , and in 1142 ceded all of northern China, including Henan. The Song government moved its capital to Hangzhou in Southern China, which, under the Southern Song dynasty (1127–1279) continued to enjoy relative economic and culture prosperity. A prolonged period of peace and cultural and economic prosperity in

15500-563: The largest of which was the Banqiao Dam in Biyang County collapsed; catastrophic flooding, spread over several counties throughout Zhumadian Prefecture and further downstream, killed at least 26,000 people. Unofficial human life loss estimates, including deaths from the ensuing epidemics and famine, range as high as 85,600, 171,000 or even 230 000. This is considered the most deadly dam-related disaster in human history. By

15655-565: The main outlet north towards Tianjin in 1048. In 1128, Song troops under the Kaifeng governor Du Chong ( 杜 充 , Dù Chōng , d.   1141) breached the southern dikes of the Yellow River in an effort to stop the advancing Jin army. The resulting major river avulsion allowed the Yellow to capture the Si and other tributaries of the Huai River . For the first time in recorded history,

15810-433: The middle reaches, and the water flow is increased by 43.5% on this stage. The middle reaches contribute 92% of the river's silts. The middle stream of the Yellow River passes through the Loess Plateau , where substantial erosion takes place. The large amount of mud and sand discharged into the river makes the Yellow River the most sediment -laden river in the world. The highest recorded annual level of silts discharged into

15965-514: The migrant Henanese laborers as residents of Henan, instead of the province they currently reside in. On the other hand, Guangdong is shown as having only 81 million people, though the actual population is 95 million due to the influx of migrants from other provinces. The population is highly homogeneous with 98.8% of the population being Han . Small populations of Mongols and Manchus exists in scattered rural communities as well as major urban centers. Along with Jiangxi , Henan has one of

16120-426: The modern Loess Plateau , indicated the river changed to muddy sometime between 367 BC and 165 AD, according to chronicles' records. The alternative names 'murky river' ( 濁河 , *drôk-gâi ) and '(muddy) yellow river' ( 黃河 , *gwâŋ-gâi ) were attested in 145 BC and in 429 AD respectively. The name Yellow River fully replaces Murky River by the end of Tang dynasty , for unclear reasons. In

16275-515: The modern era. Zhengzhou's most developed and modern area is the Zhengdong New Area , which is in the eastern part of the city. It is home to some of the tallest skyscrapers in Zhengzhou, including the 280 metres (918.6 ft) tall Zhengzhou Greenland Plaza ("Big Corn"), which is one of the most prominent landmarks in Zhengzhou, and the twin towers of Zhengzhou Greenland Central Plaza (285 metres (935.0 ft)), which are currently

16430-538: The monthly 24-hour average temperature ranging from 1.0 °C (33.8 °F) in January to 27.8 °C (82.0 °F) in July. The frost-free period lasts on average 220 days. Extremes since 1951 have ranged from −17.9 °C (0 °F) on 2 January 1955, 27 December 1971 and 1 February 1990 to 43.0 °C (109 °F) on 19 July 1966. Rainfall is primarily produced by the monsoonal low during summer; in winter, when

16585-494: The most unbalanced gender ratios in China. As a result of the Chinese government's one-child policy (many parents do not want the only child to be female and abort the fetus), the gender ratio was 118.46 males for 100 females in 2000. Subsequently, aborting fetuses due to their female sex was banned in Henan and heavy fines are issued for those who violate the law. In addition, daughter-only families receive an annual allowance from

16740-407: The mountains of western Henan. The prefecture spans 34° 16' ~ 34° 58 N latitude and 112° 42' ~ 114° 14' E longitude, covering a total area of 7,567 square kilometres (2,922 sq mi), including the metropolitan area, which covers 1,284.89 km (496.1 sq mi), and the city centre, which occupies 709.69 square kilometres (274.0 sq mi). A section of the Yellow River passes by

16895-448: The nation's two most important railways, run through much of the province and intersect at Zhengzhou . Other railway hubs such as Shangqiu , Xinxiang , and Luohe have also become important centers of trade and manufacturing as a result. Zhengzhou is also an important hub of China's high-speed railway network with railway lines connecting the city from 8 directions with all preferecture-level cities in Henan and other important cities in

17050-430: The national average of 10%. This rapid growth has transformed Henan from one of the poorest provinces to one that matches other central provinces. Henan is the 5th-largest provincial economy of China, the second largest in South Central China after Guangdong, the largest in Central China and the largest among inland provinces, with a nominal GDP of 5.88 trillion RMB (US$ 926 billion) as of 2021, ahead of

17205-613: The nearby Xuchang, a prefecture-level city (Zhengxü Line). Line 6, 7 and 8 is estimated to be opened by the end of 2024. The Zhengzhou subway fares has a segmented pricing system. The starting price is 2 yuan ($ 0.28) for a ride of up to 6 kilometers. If the mileage exceeds 6 kilometers, the principle of "decreasing for further distances" will apply. Within the mileage of 6 to 13 kilometers, 1 yuan ($ 0.14) will be added for every 7 kilometers, and for 8 kilometers between 13 and 21 kilometers, 1 yuan ($ 0.14) will be added. For each additional 9 kilometers above 21 kilometers, an additional 1 yuan ($ 0.14)

17360-479: The north and it covers a planned area of 5 square km with bonded logistics zone, bonded processing zone and supporting industry zone, etc. Zhengzhou is located in the central part of China and is a main national transport hub . The Zhengzhou Metro is a rapid transit metro rail network serving urban and suburban districts of Great Zhengzhou metropolitan. The Zhengzhou Metro system started operation on 28 December 2013. It currently has 5 lines in operation, creating

17515-472: The northeast across the North China Plain before emptying into the Bohai Sea . The basin area in this stage is only 23,000 square kilometers (8,900 sq mi), a mere 3% of the total, because few tributaries add to the flow in this stage; nearly all rivers to the south drain into the Huai River , whereas those to the north drain into the Hai River . The Huai River Basin, for example, is separated from

17670-399: The northern edges of the urban area, extending 150.4 km (93.5 mi) within Zhengzhou prefecture. However, Jialu River , a secondary tributary of the Huai River , is Zhengzhou's main urban river and flood channel. The Jialu enters Zhengzhou from Xinmi to the southwest, and turns to the southeast within the city. Mountains loom over the western counties of Gongyi and Dengfeng while

17825-586: The past few years. As a transit and tourist center of Henan Province and central China, Zhengzhou is the center of Henan cuisine. The Zhengdong New Area ( Chinese : 郑东新区 ), literally Eastern Zhengzhou New Area, similar to Hangzhou Bay New Area in Ningbo and Hengqin New Area in Zhuhai , is one of dozens of major economic zones that are currently developing in various regions of China. Established in 2003 by

17980-575: The population might initially die from drowning and many more would suffer later from the ensuing famine and spread of diseases. In Chinese mythology , the giant Kua Fu drained the Yellow River and the Wei River to quench his burning thirst as he pursued the Sun. Historical documents from the Spring and Autumn period and Qin dynasty indicate that the Yellow River at that time flowed considerably north of its present course. These accounts show that after

18135-485: The population of Henan belongs to organised religions, the largest groups being Buddhists with 6.4%, followed by Protestants with 5.6%, Muslims with 1.3% and Catholics with 0.5%. Henan has some important centres of Chinese Buddhism , the White Horse Temple and the famous Shaolin Monastery . Henan has also the largest Christian population by numbers and percentage of any province of China, 6.1% of

18290-541: The possibility that severe weather events will become increasingly common." Zhengzhou is divided into 6 urban districts , 5 county-level cities and 1 county . These subdivisions are likely to undergo significant changes in the near future due to increasingly rapid urban expansion and urban planning. The municipality is home to 8,626,505 inhabitants (2010 census) and 6,35 million in its built up area made of 6 urban and suburban districts, Xingyang and Xinzheng cities and now Zhongmu county largely being urbanized, making

18445-540: The present course of the Yellow River include (from west to east) Lanzhou , Yinchuan , Wuhai , Baotou , Luoyang , Zhengzhou , Kaifeng , and Jinan . The current mouth of the Yellow River is located at Kenli County , Shandong. The river is commonly divided into three stages. These are roughly the northeast of the mountainous Tibetan Plateau , the Ordos Loop and Loess Plateau , and the North China Plain . However, different scholars have different opinions on how

18600-659: The province's population as of 2012 , corresponding to approximately 7 million Christians. A 2009 survey reported the share of Christians to be 9.33%. In 2019, Communist officials demolished the True Jesus Church near Zhumadian. In 2020, Communist officials demolished the Sunzhuang Church . The reports didn't give figures for other types of religion; 86% of the population may be either irreligious or involved in worship of nature deities , Confucianism , Taoism and folk religious sects (for example,

18755-418: The provincial and municipal governments, it has become the financial center of Henan province and one of the most rapidly growing areas of China. Kisho Kurokawa , a Japanese world-renowned planner and architect, was appointed to design the overall planning scheme for Zhengdong New Area. He brought in advanced ideas including ecological city, co-existing city, metabolic city and ring city ideas. The scheme won

18910-441: The rainy season from July to October, when 60% of the annual volume of the river flows. Maximum demand for irrigation is needed between March and June. In order to capture excess water for use when needed and for flood control and electricity generation, several dams have been built, but their expected life is limited due to the high silt load. A proposed South–North Water Transfer Project involves several schemes to divert water from

19065-502: The rebels, but destroyed his own city instead: the flood and the ensuing famine and plague are estimated to have killed 300,000 of the city's previous population of 378,000. The once-prosperous city was nearly abandoned until its rebuilding under the Kangxi Emperor in the Qing dynasty . The question of how aggressively flooding should be controlled, and whether it should be steered back to its original channels when it migrated,

19220-433: The recently years, especially in the high-tech industrial park in the northwest of the city. The service industries of Zhengzhou include retail, wholesale, hospitality, finance, exhibition, transport and delivery, tourism, and education. With a number of domestic and international institutions having regional offices in the city, Zhengzhou is becoming the financial center in central China. Zhengzhou Commodity Exchange (ZCE)

19375-657: The region. Zhengzhou and the surrounding area have large reserves of coal and other minerals. Coal mining and electricity generation are traditionally important in the local economy. Zhengzhou has been one of the major industrial cities in The People's Republic of China since 1949. The city's staple industry is textiles . Others manufactured items include tractors , locomotives , cigarettes , fertilizer , processed meats , agricultural machinery , and electrical equipment . Some high-tech companies in new material, electronics and biotechnology are also growing rapidly during

19530-477: The regions along the river are mostly deserts and grasslands, with very few tributaries. The flow is slow. The Hetao Plain has a length of 900 km (560 mi) and width of 30 to 50 km (19 to 31 mi). It is historically the most important irrigation plain along the Yellow River. The Ordos Loop formed by an enormous twist of the Yellow River, beginning at Zhongning County in Ningxia and ending with

19685-681: The rise of Zhengzhou, Henan's overall economy repeatedly stumbled as it was the hardest hit by the many disasters that struck China in its modern era. Henan suffered greatly during the Second Sino-Japanese War . In 1938, when the Imperial Japanese Army captured Kaifeng, the government led by Chiang Kai-shek bombed the Huayuankou dam in Zhengzhou in order to prevent Japanese forces from advancing further. However, this caused massive flooding in Henan, Anhui , and Jiangsu resulting in hundreds of thousands of deaths. In 1942 Henan

19840-455: The river passed Luoyang , it flowed along the border between Shanxi and Henan Provinces, then continued along the border between Hebei and Shandong before emptying into Bohai Bay near present-day Tianjin . Another outlet followed essentially the present course. The river left these paths in 602 BC and shifted several hundred kilometers to the east. Sabotage of dikes, canals, and reservoirs and deliberate flooding of rival states became

19995-693: The river skirts through the high-altitude peat bog known as the Zoigê Wetlands and makes a sharp turn towards the northwest forming the border between Maqu and Zoigê County in Sichuan . Flowing now along the northern edge of Amne Machin, the river reenters Qinghai and gradually curves north towards the Longyang Gorge at Xinghai . The valley section stretches from Longyang Gorge in Qinghai to Qingtong Gorge in Gansu. Steep cliffs line both sides of

20150-425: The river', approximately a quarter of the province lies north of the Yellow River . With an area of 167,000 km (64,000 sq mi), Henan covers a large part of the fertile and densely populated North China Plain . Its neighboring provinces are Shaanxi , Shanxi , Hebei , Shandong , Anhui , and Hubei . Henan is China's third-most populous province with a population of over 99 million as of 2020. It

20305-585: The river's mouth to shift as much as 480 km (300 mi), sometimes reaching the ocean to the north of the Shandong Peninsula and sometimes to the south. Another historical source of devastating floods is the collapse of upstream ice dams in Inner Mongolia with an accompanying sudden release of vast quantities of impounded water. There have been 11 such major floods in the past century, each causing tremendous loss of life and property. Nowadays, explosives dropped from aircraft are used to break

20460-501: The river. The water bed is narrow and the average drop is large, so the flow in this section is extremely turbulent and fast. There are 20 gorges in this section, the most famous of these being the Longyang , Jishi, Liujia , Bapan, and Qingtong gorges. The flow conditions in this section makes it the best location for hydroelectric plants. The Yellow River exits Qinghai for the second and final time in these gorges and enters Gansu for

20615-423: The riverbed which flows between natural levees in its lower reaches. Should a flood occur, the river may break out of the levees into the surrounding lower flood plain and take a new channel. Historically this has occurred about once every hundred years. In modern times, considerable effort has been made to strengthen levees and control floods. Below is an incomplete list of hydroelectric power stations built on

20770-491: The sea. The low volume is due to increased agricultural irrigation, increased by a factor of five since 1950. Water diverted from the river as of 1999 served 140 million people and irrigated 74,000 km (29,000 sq mi) of land. The Yellow River delta totals 8,000 square kilometers (3,100 square miles). However, with the decrease in silt reaching the sea, it has been reported to be shrinking slightly each year since 1996 through erosion. The highest volume occurs during

20925-420: The second largest molybdenum reserves in the world. Coal, aluminum, alkaline metals and tungsten are also present in large amounts in western Henan. Henan houses some of the biggest limestone reserves in China estimated over 24 billion tons. Export and processing of these materials is one of the main sources of revenues. Henan has planned its economy around the provincial capital of Zhengzhou, and it

21080-592: The second time just before Liujia Gorge. Downstream from the Yanguo Gorge, the provincial capital of Lanzhou is built upon the Yellow River's banks. The Yellow River flows northeasterly out of Gansu and into Ningxia before the Qingtong Gorge. After emerging from the Qingtong Gorge, the river comes into a section of vast alluvial plains , the Yinchuan Plain and Hetao Plain . In this section,

21235-417: The service sector are concentrated around Zhengzhou and Luoyang . Henan hosts more than 150 institutions of higher education, ranking first in the Central China region. As of 2023, three major cities in the province ranked in the top 200 cities in the world ( Zhengzhou 76th, Kaifeng 154th and Xinxiang 195th) by scientific research output, as tracked by the Nature Index . Widely regarded as one of

21390-434: The short-lived Xin dynasty , and another flood in AD 70 returned the river north of Shandong on essentially its present course. From around the beginning of the 3rd century, the importance of the Hangu Pass was reduced, with the major fortifications and military bases moved upriver to Tongguan . In AD 923, the desperate Later Liang general Duan Ning again broke the dikes, flooding 1,000 square miles (2,600 km ) in

21545-425: The state Council of PRC to be a state development zone on Mar.6,1991. It was appraised to be advanced high tech zone of China respectively in 1993, 1998 and 2002. The Zone currently covers a total area of 18.6 square kilometres (7.2 square miles). An extension plan was approved by Zhengzhou Municipal Government, the various construction work started in 2004. Under the development strategy of "multiple parks in one zone",

21700-432: The tallest skyscrapers in the city. The tallest structure in Zhengzhou is the 388-meter height Zhongyuan Tower , located on Hanghai East Road in the south of Zhengdong New Area . It is used as a television tower, with a revolving restaurant and an observation deck. The tower is among the tallest towers in the world . Zhengzhou Zoo ( 郑州动物园 ) is located on Huayuan Road ( 花园路 ). The newly built Zhengzhou Botanic Garden

21855-693: The three stages are divided. This article mainly adopts the division used by the Yellow River Conservancy Commission . The Yellow River derived sediments have been transported out of the Bohai Sea, all way to the North Yellow Sea and South Yellow Sea, and formed a Distal Depocenter around the Shandong Peninsula. The upper reaches of the Yellow River constitute a segment starting from its source in

22010-649: The two largest plateau freshwater lakes nationwide. A significant amount of land in the Yellow River's source area has been designated as the Sanjiangyuan ("'Three Rivers' Sources") National Nature Reserve , to protect the source region of the Yellow River, the Yangtze , and the Mekong . Flowing east at the eastern edge of the Amne Machin Mountains, the Yellow River enters Maqu County in Gansu . Here,

22165-474: The vast Siberian High dominates due to radiative cooling from further north, the area receives little precipitation. During the summer season, the city is also often affected by tropical depressions, which bring additional amounts of rain. The annual precipitation is about 630 millimetres (25 in). With monthly percent possible sunshine ranging from 37 percent in January to 49 percent in April and May,

22320-521: The wealthiest places in the empire. The Tang dynasty lasted for three centuries before it eventually succumbed to internal strife. In the Period of Five Dynasties and Ten Kingdoms (907–960) that followed, Kaifeng in eastern Henan became the capital of four dynasties. The Song dynasty that reunified China in 982 also had its capital at Kaifeng. Under Song rule, China entered another era of culture and prosperity, and Kaifeng overtook Luoyang and Chang'an as

22475-445: The world (nearly 100 million people in Henan alone) and in China's railway, road and aviation transport networks, Zhengzhou is increasingly attracting domestic and international investment as well as migrants from other areas, transforming the city into one of the largest economic centers in China. In 2018, total GDP of Zhengzhou was ¥1020 billion, ranked 17th in China. And in 2021, total GDP was ¥1269.1 billion, ranked 16th in China. By

22630-559: Was a topic of controversy in the imperial court. Rival cliques made arguments based on budgetary, technical and strategic criteria. Geographer Charles Greer identifies two competing schools of thought on how to control the Yellow River. One, which he identifies as Confucian , advocated containing the river between higher levees, thus maximizing the amount of river basin land that could be cultivated. The other, which he associates with Taoism , favored lower levees separated by as much as 5-10 kilometers. In one particular long-running debate during

22785-676: Was abolished in 1952. In 1958, Yashan in Suiping County , Henan, became the first people's commune of China, heralding the beginning of the " Great Leap Forward ". In the subsequent famines of the early 1960s popularly attributed to the Great Leap Forward, Henan was one of the hardest hit and millions of people died. Suffering under famine and economic chaos caused by the Great Leap, locals in Henan offered low-level resistance mostly through banditry. In 1959, however,

22940-626: Was declared in Zhongmou County , Henan, to quell deadly ethnic clashes between Han and Hui Chinese . The reported number of deaths ranged between 7 and 148. In July 2021, high amounts of rainfall caused flooding , killing 302 and damaging amounting to 82 billion yuan. In January 2024 there was the Yingcai Boarding School fire in the dormitory of a primary boarding school in Dushu . The fire resulted in one injury and

23095-524: Was divided into three states, the Wei to the north, the Chu to the south, and the Han in the middle. In 221 BC, state of Qin forces from Shaanxi conquered all of the other six states, ending 800 years of warfare. Ying Zheng , the leader of Qin, crowned himself (220 BCE) as the first emperor of China . He abolished the feudal system and centralized all powers, establishing the Qin dynasty and unifying

23250-601: Was established on 21 June 2002 with approval by the state council. Its planned area is 2.7 square kilometres (1.0 square mile). Zone A is located in Zhengzhou National Economic & technological Development Area and began to operate on 1 June 2004. The area of land developed is 0.893 square kilometres (0.345 square miles) at present. Zone B is located in Zhengzhou Airport Area and is adjacent to Zhengzhou Xinzheng International Airport on

23405-407: Was extended eastward to the coast at Lianyungang , Jiangsu , and westward to Xi'an ( Chang'an ), Shaanxi , as well as to western Shaanxi. Zhengzhou thus became a major rail junction and a regional center for cotton, grain, peanuts , and other agricultural produce. Early in 1923 a workers' strike began in Zhengzhou and spread along the rail line before it was suppressed; a 14-story double tower in

23560-481: Was formerly part of Jiaozuo ) These 17 prefecture-level cities and one directly administered county-level city of Henan are in turn subdivided into 157 county-level divisions (54 districts , 21 county-level cities , and 82 counties ; the sub-prefecture-level city of Jiyuan is counted as a county-level city here). Those are in turn divided into 2454 township-level divisions (1181 towns , 598 townships , twelve ethnic townships , and 663 subdistricts ). With

23715-441: Was hit by a great famine resulting from a mix of drought, locusts and destruction caused by the war. In 1954, the new government of the People's Republic of China moved the capital of Henan from Kaifeng to Zhengzhou , as a result of its economic importance. The PRC had earlier established a short-lived Pingyuan Province consisting of what is now northern Henan and western Shandong with Xinxiang as its capital. This province

23870-523: Was overthrown by the 1911 Revolution and then the Republic of China was established in 1912, during which a man from Henan, Yuan Shikai , played an important role and thus he became the first president of Republic of China. The construction and extension of the Pinghan Railway and Longhai Railway had turned Zhengzhou , a minor county town at the time, into a major transportation hub. Despite

24025-534: Was the first literate dynasty of China. Its many capitals are located at the modern cities of Shangqiu , Yanshi , and Zhengzhou . Their last and most important capital of Yin , located in modern Anyang , is where the first Chinese writing was created. In the 11th century BC, the Zhou dynasty of Shaanxi arrived from the west and overthrew the Shang dynasty. During the Western Zhou period (c. 1046 – 771 BC),

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