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The Kemençe of the Black Sea ( Turkish : Karadeniz kemençesi , Greek : Ποντιακή λύρα Pontiakí lýra or Pontic lyre , Laz : Çilili (ჭილილი), Armenian : քամանի Qamani , Pontic : lyra ) is a Greek and Turkish traditional musical instrument. It belongs to the category of stringed bowed musical instruments. It has three strings, usually tuned to perfect fourths, usually tuned B-E-A. It is the pre-eminent musical folk instrument of the Greeks of Pontus. It seems to have been invented during the Byzantine years, between the 11th and 12th centuries . The instrument is made of different types of wood.

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71-523: Ordu ( Turkish pronunciation: [ˈoɾdu] ) or Altınordu is a port city on the Black Sea coast of Turkey , historically also known as Cotyora or Kotyora ( Pontic : Κοτύωρα ), and the capital of Ordu Province . The city forms the urban part of the Altınordu district, with a population of 235,096 in 2023. Kotyora, the original name of the city is a legacy of indigenous Colchians . The name

142-527: A halocline that stops at the Cold Intermediate Layer (CIL). This layer is composed of cool, salty surface waters, which are the result of localized atmospheric cooling and decreased fluvial input during the winter months. It is the remnant of the winter surface mixed layer. The base of the CIL is marked by a major pycnocline at about 100–200 metres (330–660 ft), and this density disparity

213-597: A coastline on the sea, its drainage basin includes parts of 24 countries in Europe. The Black Sea, not including the Sea of Azov , covers 436,400 km (168,500 sq mi), has a maximum depth of 2,212 m (7,257 ft), and a volume of 547,000 km (131,000 cu mi). Most of its coasts ascend rapidly. These rises are the Pontic Mountains to the south, bar the southwest-facing peninsulas,

284-622: A decrease in the flux of silicon associated with advection across isopycnal surfaces. This phenomenon demonstrates the potential for localized alterations in Black Sea nutrient-input to have basin-wide effects. Kemen%C3%A7e of the Black Sea The earliest stringed instruments were mostly plucked (for example, the Greek lyre ). Two-stringed, bowed instruments, played upright and strung and bowed with horsehair, may have originated in

355-484: A marked vertical stratification and a warm, shallow mixed layer. Day length and insolation intensity also control the extent of the photic zone . Subsurface productivity is limited by nutrient availability, as the anoxic bottom waters act as a sink for reduced nitrate , in the form of ammonia . The benthic zone also plays an important role in Black Sea nutrient cycling, as chemosynthetic organisms and anoxic geochemical pathways recycle nutrients which can be upwelled to

426-589: A strongly stratified vertical structure. Because of the extreme stratification, it is classified as a salt wedge estuary . Inflow from the Mediterranean Sea through the Bosporus and Dardanelles has a higher salinity and density than the outflow, creating the classic estuarine circulation. This means that the inflow of dense water from the Mediterranean occurs at the bottom of the basin while

497-433: A threat to health—and perhaps even life—for people living on the Black Sea coast. There have been isolated reports of flares on the Black Sea occurring during thunderstorms, possibly caused by lightning igniting combustible gas seeping up from the sea depths. The Black Sea supports an active and dynamic marine ecosystem, dominated by species suited to the brackish , nutrient-rich, conditions. As with all marine food webs,

568-529: A very thick convective bottom layer. The Black Sea undersea river is a current of particularly saline water flowing through the Bosporus Strait and along the seabed of the Black Sea. The discovery of the river, announced on August 1, 2010, was made by scientists at the University of Leeds and is the first of its kind to be identified. The undersea river stems from salty water spilling through

639-496: A weaker mixed assemblage of community development below the seasonal thermocline during summer months, and surface-intensified autumn production. This pattern of productivity is augmented by an Emiliania huxleyi bloom during the late spring and summer months. Since the 1960s, rapid industrial expansion along the Black Sea coastline and the construction of a major dam on the Danube have significantly increased annual variability in

710-601: Is allegedly composed of an old Laz language word for pottery ('Koto', similar to Mingrelian 'Koto', Georgian 'Kotani' and Laz 'Katana') and a common Kartvelian suffix indicating belonging ('Uri'). In Zan (aka Colchian) Kotyora means a place where pottery is made. This point is supported with several other Kartvelian place names existing in the region as well as the region itself historically being known as Djanik (Djani being another name for Laz). The contemporary name of Ordu meaning 'army camp' in Ottoman Turkish

781-422: Is considered the best. According to tradition, the growth rings of the soundboard wood, if they are dense, perform the fine frequencies better, while if they are dilute the lower ones. Usually, the densest rings are placed on the highest string. The Kemenche is distinguished by the uniqueness of its bottle-shaped form with a long neck and an oblong body. The pegbox is teardrop-shaped and is called "kifal" (Head) in

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852-753: Is divided into two depositional basins—the Western Black Sea and Eastern Black Sea—separated by the Mid-Black Sea High, which includes the Andrusov Ridge, Tetyaev High, and Archangelsky High, extending south from the Crimean Peninsula . The basin includes two distinct relict back-arc basins which were initiated by the splitting of an Albian volcanic arc and the subduction of both the Paleo - and Neo- Tethys oceans, but

923-667: Is generally accepted to be a rendering of the Iranian word * axšaina- ("dark colored"). Ancient Greek voyagers adopted the name as Á-xe(i)nos , identified with the Greek word áxeinos (inhospitable). The name Πόντος Ἄξεινος Póntos Áxeinos (Inhospitable Sea), first attested in Pindar ( c.  475 BC ), was considered an ill omen and was euphemized to its opposite, Εὔξεινος Πόντος Eúxeinos Póntos (Hospitable Sea), also first attested in Pindar. This became

994-514: Is one of the provinces where hazelnuts are grown the most in Turkey. Ordu is famous for hazelnuts, producing about 25 percent of the worldwide crop. The province relies on the crop for up to 80% of its economic activity. Turkey as a whole produces about 75 percent of the world's hazelnuts. As of 1920, Ordu was one of the few producers of white green beans , which were exported to Europe. Ordu also had mulberry tree plantations for sericulture . Today,

1065-422: Is one of the town's attractions. The Boztepe aerial tramway is another popular attraction which is set to become a modern symbol for the city. Local music is typical of the Black Sea region, including the kemençe . The cuisine is primarily based on local vegetables and includes both typical Turkish dishes — such as pide and kebab — and more interesting fare such as plain or caramel 'burnt ice-cream'. Ordu

1136-590: Is subject to interannual variability. Outside of the Rim Current, numerous quasi-permanent coastal eddies are formed as a result of upwelling around the coastal apron and "wind curl" mechanisms. The intra-annual strength of these features is controlled by seasonal atmospheric and fluvial variations. During the spring, the Batumi eddy forms in the southeastern corner of the sea. Beneath the surface waters—from about 50 to 100 metres (160 to 330 ft)—there exists

1207-460: Is the major mechanism for isolation of the deep water. Below the pycnocline is the Deep Water mass, where salinity increases to 22.3 PSU and temperatures rise to around 8.9 °C (48.0 °F). The hydrochemical environment shifts from oxygenated to anoxic, as bacterial decomposition of sunken biomass utilizes all of the free oxygen. Weak geothermal heating and long residence time create

1278-587: The Bosporus ) Burgas , Varna , Constanța , Odesa , Sevastopol , Novorossiysk , Sochi , Poti , Batumi , Trabzon and Samsun . The Black Sea has a positive water balance , with an annual net outflow of 300 km (72 cu mi) per year through the Bosporus and the Dardanelles into the Aegean Sea . While the net flow of water through the Bosporus and Dardanelles (known collectively as

1349-749: The Caucasus Mountains to the east, and the Crimean Mountains to the mid-north. In the west, the coast is generally small floodplains below foothills such as the Strandzha ; Cape Emine , a dwindling of the east end of the Balkan Mountains ; and the Dobruja Plateau considerably farther north. The longest east–west extent is about 1,175 km (730 mi). Important cities along the coast include (clockwise from

1420-916: The Danube (northern Serbia, northern Bulgaria ( Danubian Plain ) and southern Romania ( Wallachian Plain ) to northeast Ukraine and further across the Central Black Earth Region and southern Russia into Siberia . The littoral zone of the Black Sea is often referred to as the Pontic littoral or Pontic zone . The largest bays of the Black Sea are Karkinit Bay in Ukraine; the Gulf of Burgas in Bulgaria; Dnieprovski Bay and Dniestrovski Bay, both in Ukraine; and Sinop Bay and Samsun Bay, both in Turkey. The largest rivers flowing into

1491-519: The Empire of Trabzon . The modern city was founded by the Ottomans as Bayramlı near Eskipazar as a military outpost 5 km (3 mi) west of Ordu. In 1869, the city's name was changed to Ordu and it was united with the districts of Bolaman , Perşembe , Ulubey , Hansamana ( Gölköy ), and Aybastı . At the turn of the 20th century, the city was more than half Christian (Greek and Armenian), and

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1562-748: The North Atlantic oscillation , the climatic mechanisms resulting from the interaction between the north Atlantic and mid-latitude air masses. While the exact mechanisms causing the North Atlantic Oscillation remain unclear, it is thought the climate conditions established in western Europe mediate the heat and precipitation fluxes reaching Central Europe and Eurasia, regulating the formation of winter cyclones , which are largely responsible for regional precipitation inputs and influence Mediterranean sea surface temperatures (SSTs). The relative strength of these systems also limits

1633-445: The Pontic dialect . It is the upper part of the instrument. In the "kifal", the tuning keys are wedged, the "otia" (ears), which are T-shaped (usually) and the strings are tied to them, which, after crossing the whole instrument, end up in the tailpiece ("palikar"), a wooden component in the shape of an elongated inverted triangle, located at the bottom, on which the lower ends of the strings are attached. The three strings are attached to

1704-632: The Santonian . Since its initiation, compressional tectonic environments led to subsidence in the basin, interspersed with extensional phases resulting in large-scale volcanism and numerous orogenies , causing the uplift of the Greater Caucasus , Pontides , southern Crimean Peninsula and Balkanides mountain ranges. During the Messinian salinity crisis in the neighboring Mediterranean Sea , water levels fell but without drying up

1775-516: The Turkish Straits ) is out of the Black Sea, water generally flows in both directions simultaneously: Denser, more saline water from the Aegean flows into the Black Sea underneath the less dense, fresher water that flows out of the Black Sea. This creates a significant and permanent layer of deep water that does not drain or mix and is therefore anoxic . This anoxic layer is responsible for

1846-643: The 13th century. A 1570 map Asiae Nova Descriptio from Abraham Ortelius 's Theatrum Orbis Terrarum labels the sea Mar Maggior (Great Sea), compare Latin Mare major . English writers of the 18th century often used Euxine Sea ( / ˈ j uː k s ɪ n / or / ˈ j uː k ˌ s aɪ n / ). During the Ottoman Empire , it was called either Bahr-e Siyah ( Perso-Arabic ) or Karadeniz ( Ottoman Turkish ), both meaning "Black Sea". The International Hydrographic Organization defines

1917-582: The Black Sea Depression they are terrigenous non-carbonate silts , and at the foot of the continental slope turbidite sediments. The Black Sea is the world's largest body of water with a meromictic basin. The deep waters do not mix with the upper layers of water that receive oxygen from the atmosphere. As a result, over 90% of the deeper Black Sea volume is anoxic water. The Black Sea's circulation patterns are primarily controlled by basin topography and fluvial inputs, which result in

1988-404: The Black Sea are: These rivers and their tributaries comprise a 2-million km (0.77-million sq mi) Black Sea drainage basin that covers wholly or partially 24 countries: Unrecognised states: Some islands in the Black Sea belong to Bulgaria, Romania, Turkey, and Ukraine: Short-term climatic variation in the Black Sea region is significantly influenced by the operation of

2059-585: The Black Sea features a range of trophic groups, with autotrophic algae, including diatoms and dinoflagellates , acting as primary producers. The fluvial systems draining Eurasia and central Europe introduce large volumes of sediment and dissolved nutrients into the Black Sea, but the distribution of these nutrients is controlled by the degree of physiochemical stratification, which is, in turn, dictated by seasonal physiographic development. During winter, strong wind promotes convective overturning and upwelling of nutrients, while high summer temperatures result in

2130-510: The Black Sea from the rest of the global ocean system. The large shelf to the north of the basin is up to 190 km (120 mi) wide and features a shallow apron with gradients between 1:40 and 1:1000. The southern edge around Turkey and the eastern edge around Georgia , however, are typified by a narrow shelf that rarely exceeds 20 km (12 mi) in width and a steep apron that is typically 1:40 gradient with numerous submarine canyons and channel extensions. The Euxine abyssal plain in

2201-478: The Black Sea is called Siyābun . In the tenth-century Persian geography book Hudud al-'Alam , the Black Sea is called Georgian Sea ( daryā-yi Gurz ). The Georgian Chronicles use the name zğua sperisa ზღუა სპერისა (Sea of Speri) after the Kartvelian tribe of Speris or Saspers . Other modern names such as Chyornoye more and Karadeniz (both meaning Black Sea) originated during

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2272-503: The Black Sea was an endorheic basin , operating independently of the global ocean system (similar to the Caspian Sea today). Currently, the Black Sea water level is relatively high; thus, water is being exchanged with the Mediterranean. The Black Sea undersea river is a current of particularly saline water flowing through the Bosporus Strait and along the seabed of the Black Sea, the first of its kind discovered. Current names of

2343-525: The Bosporus Strait from the Mediterranean Sea into the Black Sea, where the water has a lower salt content. Because of the anoxic water at depth, organic matter, including anthropogenic artifacts such as boat hulls, are well preserved. During periods of high surface productivity, short-lived algal blooms form organic rich layers known as sapropels . Scientists have reported an annual phytoplankton bloom that can be seen in many NASA images of

2414-483: The Bosporus is located at 36.5 m (120 ft) below present sea level (deepest spot of the shallowest cross-section in the Bosporus, located in front of Dolmabahçe Palace ) and has a wet section of around 38,000 m (410,000 sq ft). Inflow and outflow current speeds are averaged around 0.3 to 0.4 m/s (1.0 to 1.3 ft/s), but much higher speeds are found locally, inducing significant turbulence and vertical shear. This allows for turbulent mixing of

2485-566: The Kurtulus district of Ordu. Researchers also uncovered human and animal remains, many pieces of jewelry made of gold , sardine stone, silver , glass , and bronze , a glass bottle and beads. In the same area researchers unearthed a Byzantine monastery church and they determined it was dedicated to the Emperor Constantine and his mother Helena . The Sağra factory shop, selling many varieties of chocolate-covered hazelnuts,

2556-851: The Middle East, and the Byzantine Empire . The direct ancestor of all European bowed instruments (Perhaps including the Kemençe, too) is the Iranian Kemanche, which developed into the Byzantine lyra by the 9th century and later the European rebec . The word ‘kemance’ is derived from the Persian word which means ‘little bow’. The Pontian lyre seems to have been created between the 11th and 12th centuries, when Pontus

2627-576: The N:P:Si ratio in the basin. Coastal areas, accordingly, have seen an increase in the frequency of monospecific phytoplankton blooms, with diatom-bloom frequency increasing by a factor of 2.5 and non-diatom bloom frequency increasing by a factor of 6. The non-diatoms, such as the prymnesiophytes Emiliania huxleyi (coccolithophore), Chromulina sp., and the Euglenophyte Eutreptia lanowii , can out-compete diatom species because of

2698-464: The Rim Current. The Rim Current has a maximum velocity of about 50–100 cm/s (20–39 in/s). Within this feature, two smaller cyclonic gyres operate, occupying the eastern and western sectors of the basin. The Eastern and Western Gyres are well-organized systems in the winter but dissipate into a series of interconnected eddies in the summer and autumn. Mesoscale activity in the peripheral flow becomes more pronounced during these warmer seasons and

2769-471: The amount of cold air arriving from northern regions during winter. Other influencing factors include the regional topography , as depressions and storm systems arriving from the Mediterranean are funneled through the low land around the Bosporus, with the Pontic and Caucasus mountain ranges acting as waveguides, limiting the speed and paths of cyclones passing through the region. The Black Sea

2840-429: The bridge ("donkey"), a component that carries three incisions - notches to keep the strings stable. Inside the lyre, a piece of wood, the soundpost, is wedged. The sides of the instrument are flat and are called "magla" (cheeks). The neck ("goula") is the point at which the lyre player holds the instrument. The sound comes from two curved or straight soundholes, the "rothonia" (nostrils), and through holes in their ends, on

2911-551: The cardinal directions , with black or dark for north, red for south, white for west, and green or light blue for east. Hence, "Black Sea" meant "Northern Sea". According to this scheme, the name could only have originated with a people living between the northern (black) and southern (red) seas : this points to the Achaemenids (550–330 BC). In the Greater Bundahishn , a Middle Persian Zoroastrian scripture,

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2982-532: The centre of the Black Sea reaches a maximum depth of 2,212 metres (7,257.22 feet) just south of Yalta on the Crimean Peninsula . The Paleo- Euxinian is described by the accumulation of eolian silt deposits (related to the Riss glaciation ) and the lowering of sea levels ( MIS 6, 8 and 10). The Karangat marine transgression occurred during the Eemian Interglacial (MIS 5e). This may have been

3053-631: The city is partially industrialized and a member of the Anatolian Tigers with its 7 companies. The city is the home of the Orduspor football club. Its base is the 19 Eylül Stadium in the heart of the city. Orduspor football team has played in the Super League of Turkey several seasons. The club also has a basketball team. Ordu is twinned with: Ordu has a humid subtropical climate ( Köppen : Cfa, Trewartha : Cf ), like most of

3124-518: The commonly used designation in Greek, although in mythological contexts the "true" name Póntos Áxeinos remained favoured. Strabo 's Geographica (1.2.10) reports that in antiquity, the Black Sea was often simply called "the Sea" ( ὁ πόντος ho Pontos ). He thought that the sea was called the "Inhospitable Sea Πόντος Ἄξεινος Póntos Áxeinos by the inhabitants of the Pontus region of

3195-463: The eastern Black Sea coast of Turkey. It experiences warm summers, cool winters, and plentiful precipitation throughout the year, which is heaviest in autumn and winter. Snowfall is occasional between the months of December and March, snowing for a week or two, and it can be heavy once it snows. The water temperature, like in the rest of the Black Sea coast of Turkey, is always cool and fluctuates between 8 and 20 °C (46 and 68 °F) throughout

3266-512: The highest sea levels reached in the late Pleistocene . Based on this some scholars have suggested that the Crimean Peninsula was isolated from the mainland by a shallow strait during the Eemian Interglacial. The Neoeuxinian transgression began with an inflow of waters from the Caspian Sea . Neoeuxinian deposits are found in the Black Sea below −20 m (−66 ft) water depth in three layers. The upper layers correspond with

3337-518: The late 1980s. Additionally, an alien species—the warty comb jelly ( Mnemiopsis leidyi )—established itself in the basin, exploding from a few individuals to an estimated biomass of one billion metric tons. The change in species composition in Black Sea waters also has consequences for hydrochemistry, as calcium-producing coccolithophores influence salinity and pH, although these ramifications have yet to be fully quantified. In central Black Sea waters, silicon levels also reduced significantly, due to

3408-472: The lid and on the side. A typical lyre has: two holes on each side, four holes in the soundboard (two at the top and two at the bottom) and one at each end of the soundholes. The three single strings of the Pontian lyre until 1920 were made of silk and produced a nice melodic but low sound. Alternatively, the two highest were made of silk and the third was made of gut. The two highest strings were thinner than

3479-407: The limited availability of silicon, a necessary constituent of diatom frustules. As a consequence of these blooms, benthic macrophyte populations were deprived of light, while anoxia caused mass mortality in marine animals. Overfishing during the 1970s further compounded the decline in macrophytes, while the invasive ctenophore Mnemiopsis reduced the biomass of copepods and other zooplankton in

3550-702: The limits of the Black Sea as follows: On the Southwest. The Northeastern limit of the Sea of Marmara [A line joining Cape Rumili with Cape Anatoli (41°13'N)]. In the Kertch Strait . A line joining Cape Takil and Cape Panaghia (45°02'N). The area surrounding the Black Sea is commonly referred to as the Black Sea Region . Its northern part lies within the Chernozem belt (black soil belt) which goes from eastern Croatia ( Slavonia ), along

3621-403: The middle finger The fibers of the bow are male horse tail hairs (Mare hairs tend to be worn by her urine .) When using the instrument, the Pontian lyre player "plays" the lyre either standing or sitting. It is played in the downright position, either by resting it on the knee when sitting, or held in front of the player when standing.The lyre always has a slight tilt to the left. Although in

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3692-468: The nomadic equestrian cultures of Central Asia, in forms closely resembling the modern-day Mongolian Morin huur and the Kazakh Kobyz . Might be an instrument of Scythians. Also Circassian people of Caucasus region has the same instrument named Shikepshine which basically means horse tail violin. Similar and variant types were probably disseminated along east–west trading routes from Asia into

3763-752: The others being the Red Sea , the White Sea and the Yellow Sea . The earliest known name of the Black Sea is the Sea of Zalpa, so called by both the Hattians and their conquerors, the Hittites . The Hattic city of Zalpa was "situated probably at or near the estuary of the Marrassantiya River, the modern Kızıl Irmak , on the Black Sea coast." The principal Greek name Póntos Áxeinos

3834-454: The outflow of fresher Black Sea surface-water into the Sea of Marmara occurs near the surface. According to Gregg (2002), the outflow is 16,000 cubic metres per second (570,000 cubic feet per second) or around 500 cubic kilometres per year (120 cubic miles per year), and the inflow is 11,000 m /s (390,000 cu ft/s) or around 350 km /a (84 cu mi/a). The following water budget can be estimated: The southern sill of

3905-507: The peak of the Khvalinian transgression, on the shelf shallow-water sands and coquina mixed with silty sands and brackish-water fauna, and inside the Black Sea Depression hydrotroilite silts. The middle layers on the shelf are sands with brackish-water mollusc shells. Of continental origin, the lower level on the shelf is mostly alluvial sands with pebbles, mixed with less common lacustrine silts and freshwater mollusc shells . Inside

3976-488: The photic zone, enhancing productivity. In total, the Black Sea's biodiversity contains around one-third of the Mediterranean's and is experiencing natural and artificial invasions or "Mediterranizations". The main phytoplankton groups present in the Black Sea are dinoflagellates , diatoms , coccolithophores and cyanobacteria . Generally, the annual cycle of phytoplankton development comprises significant diatom and dinoflagellate-dominated spring production, followed by

4047-681: The preservation of ancient shipwrecks which have been found in the Black Sea, which ultimately drains into the Mediterranean Sea , via the Turkish Straits and the Aegean Sea. The Bosporus strait connects it to the small Sea of Marmara which in turn is connected to the Aegean Sea via the strait of the Dardanelles . To the north, the Black Sea is connected to the Sea of Azov by the Kerch Strait . The water level has varied significantly over geological time. Due to these variations in

4118-437: The region. As a result of these characteristics the Black Sea has gained interest from the field of marine archaeology , as ancient shipwrecks in excellent states of preservation have been discovered, such as the Byzantine wreck Sinop D , located in the anoxic layer off the coast of Sinop, Turkey . Modelling shows that, in the event of an asteroid impact on the Black Sea, the release of hydrogen sulfide clouds would pose

4189-469: The sea are usually equivalents of the English name "Black Sea", including these given in the countries bordering the sea: Such names have not yet been shown conclusively to predate the 13th century. In Greece , the historical name "Euxine Sea", which holds a different literal meaning (see below), is still widely used: The Black Sea is one of four seas named in English after common color terms –

4260-647: The sea. The collision between the Eurasian and African plates and the westward escape of the Anatolian block along the North Anatolian and East Anatolian faults dictates the current tectonic regime, which features enhanced subsidence in the Black Sea basin and significant volcanic activity in the Anatolian region. These geological mechanisms, in the long term, have caused the periodic isolations of

4331-441: The southern shoreline before Greek colonisation due to its difficult navigation and hostile barbarian natives (7.3.6), and that the name was changed to "hospitable" after the Milesians colonised the region, bringing it into the Greek world. Popular supposition derives "Black Sea" from the dark color of the water or climatic conditions. Some scholars understand the name to be derived from a system of colour symbolism representing

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4402-405: The third. Today the strings are metal, either two strings of equal thickness and one thinner, or two strings of equal thickness and one covered with wire. The Pontian lyre is tuned in perfect fourths. There are three different ways to play: The lowest string is named "kapan" and the highest one "zil", and so do the respective types of the instrument. The bow is a separate tool and necessary for

4473-439: The timings of these events remain uncertain. Arc volcanism and extension occurred as the Neo-Tethys Ocean subducted under the southern margin of Laurasia during the Mesozoic . Uplift and compressional deformation took place as the Neotethys continued to close. Seismic surveys indicate that rifting began in the Western Black Sea in the Barremian and Aptian followed by the formation of oceanic crust 20 million years later in

4544-408: The two layers. Surface water leaves the Black Sea with a salinity of 17 practical salinity units (PSU) and reaches the Mediterranean with a salinity of 34 PSU. Likewise, an inflow of the Mediterranean with salinity 38.5 PSU experiences a decrease to about 34 PSU. Mean surface circulation is cyclonic ; waters around the perimeter of the Black Sea circulate in a basin-wide shelfbreak gyre known as

4615-403: The use of the instrument. Its name comes from the arc created by its fibers. It is a long wooden instrument, about 50 to 60 cm long, that has two sides, the front side has a bundle of fibers that end at its ends. The fibers passing from one end end at the other where they are tied there with leather. This point, which is cylindrical, is held with the dominant hand of the player and pressed with

4686-399: The water level in the basin, the surrounding shelf and associated aprons have sometimes been dry land. At certain critical water levels, connections with surrounding water bodies can become established. It is through the most active of these connective routes, the Turkish Straits, that the Black Sea joins the World Ocean . During geological periods when this hydrological link was not present,

4757-471: The year. Black Sea Unrecognised states: The Black Sea is a marginal mediterranean sea lying between Europe and Asia , east of the Balkans , south of the East European Plain , west of the Caucasus , and north of Anatolia . It is bounded by Bulgaria , Georgia , Romania , Russia , Turkey , and Ukraine . The Black Sea is supplied by major rivers, principally the Danube , Dnieper and Dniester . Consequently, while six countries have

4828-483: Was adopted during the Ottoman Empire because of an army outpost being located near the present day city. In the 8th century BC, Cotyora (Κοτύωρα) was founded by the Miletians as one of a string of colonies along the Black Sea coast. Diodorus Siculus wrote that it was a colony of the Sinopians . Xenophon 's Anabasis relates that the Ten Thousand rested there for 45 days before embarking for home. Strabo also mentions it. Under Pharnaces I of Pontus , Cotyora

4899-447: Was known for its Greek schools. On 4 April 1921, Ordu province was created by separating from Trebizond Vilayet . In 2016, archaeologist discovered a marble statue of Cybele . In 2018, at the same site, they also discovered sculptures of Pan and Dionysus . In 2021, archaeologists complained because a stone quarry used dynamite destroying some of the rock tombs. In December 2021, archaeologists announced 1600 year-old eight tombs in

4970-437: Was part of the Byzantine Empire, while the name "Kemenche" first appeared in the 10th century. According to Pavlos Hairopoulos, it was created by the Greeks of Pontus themselves. The most common material for the construction of the body, the pegbox and the neck of the instrument is the one-piece plum wood, as well as mulberry, walnut, cedar, acacia, etc., while the soundboard is made of pine or fir wood. Traditionally, plum wood

5041-426: Was united in a synoikismos with Cerasus . Arrian , in the Periplus of the Euxine Sea (131 CE), describes it as a village "and not a large one." Suda mentioned that it was also called Cytora (Κύτωρα). The area came under the control of the Danishmends , then the Seljuk Turks in 1214 and 1228, and the Hacıemiroğulları Beylik in 1346. Afterwards, it passed to the dominion of the Ottomans in 1461 along with

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