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92-502: The Renaissance brought significant development of instruments to measure atmospheric phenomena and scales to compare them . Subsequent developments in atmospheric science in the 18th century confirmed the need for widespread measurement and uniform transnational measurement scales. In the early 19th century, countries began to share meteorological data, and on this basis a conference was held in Cambridge in 1845 with representation by

184-464: A German bishop visiting north Italy during the 12th century, noticed a widespread new form of political and social organization, observing that Italy appeared to have exited from feudalism so that its society was based on merchants and commerce. Linked to this was anti-monarchical thinking, represented in the famous early Renaissance fresco cycle The Allegory of Good and Bad Government by Ambrogio Lorenzetti (painted 1338–1340), whose strong message

276-465: A citizen and official, as well as a theorist and philosopher and also Quintilian . Perhaps the most succinct expression of his perspective on humanism is in a 1465 poetic work La città di vita , but an earlier work, Della vita civile , is more wide-ranging. Composed as a series of dialogues set in a country house in the Mugello countryside outside Florence during the plague of 1430, Palmieri expounds on

368-404: A combination of reasoning and empirical evidence . Humanist education was based on the programme of Studia Humanitatis , the study of five humanities: poetry , grammar , history , moral philosophy , and rhetoric . Although historians have sometimes struggled to define humanism precisely, most have settled on "a middle of the road definition... the movement to recover, interpret, and assimilate

460-603: A continuous learning from antiquity). Sociologist Rodney Stark , plays down the Renaissance in favor of the earlier innovations of the Italian city-states in the High Middle Ages , which married responsive government, Christianity and the birth of capitalism . This analysis argues that, whereas the great European states (France and Spain) were absolute monarchies , and others were under direct Church control,

552-578: A cultural rebirth at the close of the Middle Ages and rise of the Modern world. One of the distinguishing features of Renaissance art was its development of highly realistic linear perspective. Giotto di Bondone (1267–1337) is credited with first treating a painting as a window into space, but it was not until the demonstrations of architect Filippo Brunelleschi (1377–1446) and the subsequent writings of Leon Battista Alberti (1404–1472) that perspective

644-553: A faster propagation of more widely distributed ideas. In the first period of the Italian Renaissance , humanists favored the study of humanities over natural philosophy or applied mathematics , and their reverence for classical sources further enshrined the Aristotelian and Ptolemaic views of the universe. Writing around 1450, Nicholas of Cusa anticipated the heliocentric worldview of Copernicus , but in

736-406: A long and complex historiography , and in line with general skepticism of discrete periodizations, there has been much debate among historians reacting to the 19th-century glorification of the "Renaissance" and individual cultural heroes as "Renaissance men", questioning the usefulness of Renaissance as a term and as a historical delineation. Some observers have questioned whether the Renaissance

828-493: A love of books. In some cases, cultivated library builders were also committed to offering others the opportunity to use their collections. Prominent aristocrats and princes of the Church created great libraries for the use of their courts, called "court libraries", and were housed in lavishly designed monumental buildings decorated with ornate woodwork, and the walls adorned with frescoes (Murray, Stuart A.P.). Renaissance art marks

920-532: A more natural reality in painting; and gradual but widespread educational reform . It saw myriad artistic developments and contributions from such polymaths as Leonardo da Vinci and Michelangelo , who inspired the term "Renaissance man". In politics, the Renaissance contributed to the development of the customs and conventions of diplomacy, and in science to an increased reliance on observation and inductive reasoning . The period also saw revolutions in other intellectual and social scientific pursuits, as well as

1012-432: A perfect mind and body, which could be attained with education. The purpose of humanism was to create a universal man whose person combined intellectual and physical excellence and who was capable of functioning honorably in virtually any situation. This ideology was referred to as the uomo universale , an ancient Greco-Roman ideal. Education during the Renaissance was mainly composed of ancient literature and history as it

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1104-403: A philosophical fashion. Science and art were intermingled in the early Renaissance, with polymath artists such as Leonardo da Vinci making observational drawings of anatomy and nature. Leonardo set up controlled experiments in water flow, medical dissection, and systematic study of movement and aerodynamics, and he devised principles of research method that led Fritjof Capra to classify him as

1196-517: A series of theses on philosophy, natural thought, faith, and magic defended against any opponent on the grounds of reason. In addition to studying classical Latin and Greek, Renaissance authors also began increasingly to use vernacular languages; combined with the introduction of the printing press , this allowed many more people access to books, especially the Bible. In all, the Renaissance can be viewed as an attempt by intellectuals to study and improve

1288-519: A telegraph-based worldwide weather station network, the Réseau Mondial . Simplifying Teisserenc de Bort's vision, the IMO decided that the network should collect, calculate, and distribute monthly and annual averages for pressure, temperature, and precipitation from a well-distributed sample of land based on meteorological stations, in effect a global climatological database. The distribution standard

1380-531: A wall in the form of pilasters. One of the first buildings to use pilasters as an integrated system was in the Old Sacristy (1421–1440) by Brunelleschi. Arches, semi-circular or (in the Mannerist style) segmental, are often used in arcades, supported on piers or columns with capitals. There may be a section of entablature between the capital and the springing of the arch. Alberti was one of the first to use

1472-459: A wide range of writers. Classical texts could be found alongside humanist writings. These informal associations of intellectuals profoundly influenced Renaissance culture. An essential tool of Renaissance librarianship was the catalog that listed, described, and classified a library's books. Some of the richest "bibliophiles" built libraries as temples to books and knowledge. A number of libraries appeared as manifestations of immense wealth joined with

1564-554: Is 1401, when the rival geniuses Lorenzo Ghiberti and Filippo Brunelleschi competed for the contract to build the bronze doors for the Baptistery of the Florence Cathedral (Ghiberti won). Others see more general competition between artists and polymaths such as Brunelleschi, Ghiberti, Donatello , and Masaccio for artistic commissions as sparking the creativity of the Renaissance. Yet it remains much debated why

1656-485: Is a period of history and a European cultural movement covering the 15th and 16th centuries. It marked the transition from the Middle Ages to modernity and was characterized by an effort to revive and surpass the ideas and achievements of classical antiquity . Associated with great social change in most fields and disciplines, including art , architecture , politics, literature , exploration and science ,

1748-581: Is about the virtues of fairness, justice, republicanism and good administration. Holding both Church and Empire at bay, these city republics were devoted to notions of liberty. Skinner reports that there were many defences of liberty such as the Matteo Palmieri (1406–1475) celebration of Florentine genius not only in art, sculpture and architecture, but "the remarkable efflorescence of moral, social and political philosophy that occurred in Florence at

1840-759: Is position-based. Newer WMO code forms are designed for portability, extensibility and universality. These are BUFR , and, for gridded geo-positioned data, GRIB . In 2007, the Intergovernmental Panel on Climate Change (IPCC), a joint creation of the WMO and the United Nations Environment Programme (UNEP), received the Nobel Peace Prize "for their efforts to build up and disseminate greater knowledge about anthropogenic (man-made) climate change , and to lay

1932-546: Is that the devastation in Florence caused by the Black Death , which hit Europe between 1348 and 1350, resulted in a shift in the world view of people in 14th century Italy. Italy was particularly badly hit by the plague, and it has been speculated that the resulting familiarity with death caused thinkers to dwell more on their lives on Earth, rather than on spirituality and the afterlife . It has also been argued that

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2024-737: The Carolingian Renaissance (8th and 9th centuries), Ottonian Renaissance (10th and 11th century), and the Renaissance of the 12th century . The Renaissance was a cultural movement that profoundly affected European intellectual life in the early modern period . Beginning in Italy, and spreading to the rest of Europe by the 16th century, its influence was felt in art , architecture , philosophy , literature , music , science , technology , politics, religion, and other aspects of intellectual inquiry. Renaissance scholars employed

2116-845: The High Middle Ages in Western Europe and in the Islamic Golden Age (normally in translation), but Greek literary, oratorical and historical works (such as Homer , the Greek dramatists, Demosthenes and Thucydides ) were not studied in either the Latin or medieval Islamic worlds ; in the Middle Ages these sorts of texts were only studied by Byzantine scholars. Some argue that the Timurid Renaissance in Samarkand and Herat , whose magnificence toned with Florence as

2208-683: The International Meteorological Organization , a nongovernmental organization founded in 1873 as a forum for exchanging weather data and research. Proposals to reform the status and structure of the IMO culminated in the World Meteorological Convention of 1947, which formally established the World Meteorological Organization. The Convention entered into force on 23 March 1950, and the following year

2300-747: The Late Middle Ages have led some to theorize that its unusual social climate allowed the emergence of a rare cultural efflorescence. Italy did not exist as a political entity in the early modern period. Instead, it was divided into smaller city-states and territories: the Neapolitans controlled the south, the Florentines and the Romans at the center, the Milanese and the Genoese to

2392-765: The Levant . Their translations and commentaries on these ideas worked their way through the Arab West into Iberia and Sicily , which became important centers for this transmission of ideas. Between the 11th and 13th centuries, many schools dedicated to the translation of philosophical and scientific works from Classical Arabic to Medieval Latin were established in Iberia, most notably the Toledo School of Translators . This work of translation from Islamic culture, though largely unplanned and disorganized, constituted one of

2484-712: The Medici , and the migration of Greek scholars and their texts to Italy following the fall of Constantinople to the Ottoman Empire . Other major centers were Venice , Genoa , Milan , Rome during the Renaissance Papacy , and Naples . From Italy, the Renaissance spread throughout Europe and also to American, African and Asian territories ruled by the European colonial powers of the time or where Christian missionaries were active. The Renaissance has

2576-561: The Northern Renaissance , the Spanish Renaissance , etc. In addition to the standard periodization, proponents of a "long Renaissance" may put its beginning in the 14th century and its end in the 17th century. The traditional view focuses more on the Renaissance's early modern aspects and argues that it was a break from the past, but many historians today focus more on its medieval aspects and argue that it

2668-499: The Pisa Baptistry , demonstrates that classical models influenced Italian art before the Renaissance took root as a literary movement. Applied innovation extended to commerce. At the end of the 15th century, Luca Pacioli published the first work on bookkeeping , making him the founder of accounting . The rediscovery of ancient texts and the invention of the printing press in about 1440 democratized learning and allowed

2760-592: The "father of modern science". Other examples of Da Vinci's contribution during this period include machines designed to saw marbles and lift monoliths, and new discoveries in acoustics, botany, geology, anatomy, and mechanics. A suitable environment had developed to question classical scientific doctrine. The discovery in 1492 of the New World by Christopher Columbus challenged the classical worldview. The works of Ptolemy (in geography) and Galen (in medicine) were found to not always match everyday observations. As

2852-404: The 14th century with a Latin phase, when Renaissance scholars such as Petrarch , Coluccio Salutati (1331–1406), Niccolò de' Niccoli (1364–1437), and Poggio Bracciolini (1380–1459) scoured the libraries of Europe in search of works by such Latin authors as Cicero , Lucretius , Livy , and Seneca . By the early 15th century, the bulk of the surviving such Latin literature had been recovered;

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2944-535: The 1st-century writer Vitruvius and the flourishing discipline of mathematics, Brunelleschi formulated the Renaissance style that emulated and improved on classical forms. His major feat of engineering was building the dome of Florence Cathedral . Another building demonstrating this style is the Basilica of Sant'Andrea, Mantua , built by Alberti. The outstanding architectural work of the High Renaissance

3036-468: The Black Death prompted a new wave of piety, manifested in the sponsorship of religious works of art. However, this does not fully explain why the Renaissance occurred specifically in Italy in the 14th century. The Black Death was a pandemic that affected all of Europe in the ways described, not only Italy. The Renaissance's emergence in Italy was most likely the result of the complex interaction of

3128-730: The Convent of San Donato in Scopeto in Florence. The Renaissance was certainly underway before Lorenzo de' Medici came to power – indeed, before the Medici family itself achieved hegemony in Florentine society. In some ways, Renaissance humanism was not a philosophy but a method of learning. In contrast to the medieval scholastic mode, which focused on resolving contradictions between authors, Renaissance humanists would study ancient texts in their original languages and appraise them through

3220-440: The Greek phase of Renaissance humanism was under way, as Western European scholars turned to recovering ancient Greek literary, historical, oratorical and theological texts. Unlike with Latin texts, which had been preserved and studied in Western Europe since late antiquity, the study of ancient Greek texts was very limited in medieval Western Europe. Ancient Greek works on science, mathematics, and philosophy had been studied since

3312-760: The Islamic steps of Ibn Khaldun . Pico della Mirandola wrote the "manifesto" of the Renaissance, the Oration on the Dignity of Man , a vibrant defence of thinking. Matteo Palmieri (1406–1475), another humanist, is most known for his work Della vita civile ("On Civic Life"; printed 1528), which advocated civic humanism , and for his influence in refining the Tuscan vernacular to the same level as Latin. Palmieri drew on Roman philosophers and theorists, especially Cicero , who, like Palmieri, lived an active public life as

3404-474: The Reformation and Counter-Reformation clashed, the Northern Renaissance showed a decisive shift in focus from Aristotelean natural philosophy to chemistry and the biological sciences (botany, anatomy, and medicine). The willingness to question previously held truths and search for new answers resulted in a period of major scientific advancements. Some view this as a " scientific revolution ", heralding

3496-618: The Renaissance began in Italy, and why it began when it did. Accordingly, several theories have been put forward to explain its origins. Peter Rietbergen posits that various influential Proto-Renaissance movements started from roughly 1300 onwards across many regions of Europe . In stark contrast to the High Middle Ages , when Latin scholars focused almost entirely on studying Greek and Arabic works of natural science, philosophy and mathematics, Renaissance scholars were most interested in recovering and studying Latin and Greek literary, historical, and oratorical texts. Broadly speaking, this began in

3588-421: The Renaissance has close similarities to both, especially the late and early sub-periods of either. The Renaissance began in Florence , one of the many states of Italy . Various theories have been proposed to account for its origins and characteristics, focusing on a variety of factors, including Florence's social and civic peculiarities at the time: its political structure, the patronage of its dominant family,

3680-573: The Renaissance was first centered in the Republic of Florence , then spread to the rest of Italy and later throughout Europe. The term rinascita ("rebirth") first appeared in Lives of the Artists ( c.  1550 ) by Giorgio Vasari , while the corresponding French word renaissance was adopted into English as the term for this period during the 1830s. The Renaissance's intellectual basis

3772-622: The United Nations. Vatican City and State of Palestine and the states with limited recognition are not members of either organization. The six WMO Member Territories are the British Caribbean Territories (joint meteorological organization and membership), French Polynesia , Hong Kong , Macau , Curaçao and Sint Maarten (joint meteorological service and membership) and New Caledonia . ( List of all members with admission dates. ) Region I consists of

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3864-669: The WMO began operations as an intergovernmental organization within the UN system . The WMO is made up of 193 countries and territories, and facilitates the "free and unrestricted" exchange of data, information, and research between the respective meteorological and hydrological institutions of its members. It also collaborates with nongovernmental partners and other international organizations on matters related to environmental protection , climate change , resource management, and socioeconomic development . Headquartered in Geneva , Switzerland,

3956-465: The WMO for meteorological observations: As of 2023, WMO Members include a total of 187 Member States and 6 Member Territories. Ten United Nations member states are not members of WMO: Equatorial Guinea , Grenada , Liechtenstein , Marshall Islands , Palau , Saint Kitts and Nevis , Saint Vincent and the Grenadines and San Marino . Cook Islands and Niue are WMO Members but non-members of

4048-615: The WMO is governed by the World Meteorological Congress, composed of member states, which meets every four years to set policies and priorities. The Congress is led by an Executive Council led by the President, currently Abdulla Al Mandous of UAE. The WMO was established by the Convention of the World Meteorological Organization, signed 11 October 1947 and ratified on 23 March 1950. The Convention serves as

4140-469: The West. It was in their new focus on literary and historical texts that Renaissance scholars differed so markedly from the medieval scholars of the Renaissance of the 12th century , who had focused on studying Greek and Arabic works of natural sciences, philosophy, and mathematics, rather than on such cultural texts. In the revival of neoplatonism , Renaissance humanists did not reject Christianity ; on

4232-633: The Workings of the Human Body ) by Andreas Vesalius , gave a new confidence to the role of dissection , observation, and the mechanistic view of anatomy. World Meteorological Organization The World Meteorological Organization ( WMO ) is a specialized agency of the United Nations responsible for promoting international cooperation on atmospheric science , climatology , hydrology and geophysics . The WMO originated from

4324-458: The above factors. The plague was carried by fleas on sailing vessels returning from the ports of Asia, spreading quickly due to lack of proper sanitation: the population of England , then about 4.2 million, lost 1.4 million people to the bubonic plague . Florence's population was nearly halved in the year 1347. As a result of the decimation in the populace the value of the working class increased, and commoners came to enjoy more freedom. To answer

4416-480: The arch on a monumental. Renaissance vaults do not have ribs; they are semi-circular or segmental and on a square plan, unlike the Gothic vault, which is frequently rectangular. Renaissance artists were not pagans, although they admired antiquity and kept some ideas and symbols of the medieval past. Nicola Pisano (c. 1220 – c. 1278) imitated classical forms by portraying scenes from the Bible. His Annunciation , from

4508-865: The baseline for measuring climate fluctuations. The 1946 Conference of Directors acknowledged the need for an organisation supported by governments. Preparations continued with conferences in 1947 in Washington DC and 1961 in Paris. In 1951 the World Meteorological Organization became a specialized agency of the United Nations in direct succession of the IMO. The members of the WMO are representatives of their respective countries, not their weather services. Renaissance The Renaissance ( UK : / r ɪ ˈ n eɪ s ən s / rin- AY -sənss , US : / ˈ r ɛ n ə s ɑː n s / REN -ə-sahnss )

4600-716: The beginning of the modern age, others as an acceleration of a continuous process stretching from the ancient world to the present day. Significant scientific advances were made during this time by Galileo Galilei , Tycho Brahe , and Johannes Kepler . Copernicus, in De revolutionibus orbium coelestium ( On the Revolutions of the Heavenly Spheres ), posited that the Earth moved around the Sun. De humani corporis fabrica ( On

4692-469: The center of a cultural rebirth, were linked to the Ottoman Empire , whose conquests led to the migration of Greek scholars to Italian cities. One of the greatest achievements of Renaissance scholars was to bring this entire class of Greek cultural works back into Western Europe for the first time since late antiquity. Muslim logicians, most notably Avicenna and Averroes , had inherited Greek ideas after they had invaded and conquered Egypt and

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4784-523: The constituent treaty of the WMO, setting forth its purposes, governance, and general framework. The WMO hierarchy: The annually published WMO Statement on the status of the World Climate provides details of global, regional and national temperatures and extreme weather events. It also provides information on long-term climate change indicators including atmospheric concentrations of greenhouse gases, sea level rise, and sea ice extent. The year 2016

4876-504: The contrary, many of the Renaissance's greatest works were devoted to it, and the Church patronized many works of Renaissance art. But a subtle shift took place in the way that intellectuals approached religion that was reflected in many other areas of cultural life. In addition, many Greek Christian works, including the Greek New Testament, were brought back from Byzantium to Western Europe and engaged Western scholars for

4968-732: The directors of national meteorological services. A Permanent Meteorological Committee was established with Buys Ballot , director of the Dutch meteorological service , becoming the first president. A second congress in Rome 1879 decided on the IMO establishment and elected an International Meteorological Committee to prepare for the next Conference of Directors. The director of the Central Geophysical Observatory in Saint Petersburg , Swiss born Heinrich von Wild

5060-601: The first International Conference, and the names of the officers who attended were : C. H. D. Buys Ballot 's 1872 paper Suggestions on a Uniform System of Meteorological Observations pushed for the creation of an international body, and a second International Meteorological Congress was held in Vienna , Austria-Hungary , in September 1873 which agreed to begin preparations for an International Meteorological Organization ( IMO ). There they decided that membership would be

5152-421: The first time since late antiquity. This new engagement with Greek Christian works, and particularly the return to the original Greek of the New Testament promoted by humanists Lorenzo Valla and Erasmus , helped pave the way for the Reformation . Well after the first artistic return to classicism had been exemplified in the sculpture of Nicola Pisano , Florentine painters led by Masaccio strove to portray

5244-419: The foundations for the measures that are needed to counteract such change." The World Meteorological Day is held annually on 23 March. WMO states that "the International System of Units (SI) should be used as the system of units for the evaluation of meteorological elements included in reports for international exchange." The following units, which include units which are not SI units, are recommended by

5336-534: The greatest transmissions of ideas in history. The movement to reintegrate the regular study of Greek literary, historical, oratorical, and theological texts back into the Western European curriculum is usually dated to the 1396 invitation from Coluccio Salutati to the Byzantine diplomat and scholar Manuel Chrysoloras (c. 1355–1415) to teach Greek in Florence. This legacy was continued by a number of expatriate Greek scholars, from Basilios Bessarion to Leo Allatius . The unique political structures of Italy during

5428-438: The height of the epidemic due to the chaotic conditions in the city, but a small group of officials was appointed to conduct the affairs of the city, which ensured continuity of government. It has long been a matter of debate why the Renaissance began in Florence , and not elsewhere in Italy. Scholars have noted several features unique to Florentine cultural life that may have caused such a cultural movement. Many have emphasized

5520-414: The human form realistically, developing techniques to render perspective and light more naturally. Political philosophers , most famously Niccolò Machiavelli , sought to describe political life as it really was, that is to understand it rationally. A critical contribution to Italian Renaissance humanism, Giovanni Pico della Mirandola wrote De hominis dignitate ( Oration on the Dignity of Man , 1486),

5612-428: The humanist method in study, and searched for realism and human emotion in art. Renaissance humanists such as Poggio Bracciolini sought out in Europe's monastic libraries the Latin literary, historical, and oratorical texts of antiquity , while the fall of Constantinople (1453) generated a wave of émigré Greek scholars bringing precious manuscripts in ancient Greek , many of which had fallen into obscurity in

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5704-493: The immune system, leaving young children without a fighting chance. Children in city dwellings were more affected by the spread of disease than the children of the wealthy. The Black Death caused greater upheaval to Florence's social and political structure than later epidemics. Despite a significant number of deaths among members of the ruling classes, the government of Florence continued to function during this period. Formal meetings of elected representatives were suspended during

5796-413: The increased need for labor, workers traveled in search of the most favorable position economically. The demographic decline due to the plague had economic consequences: the prices of food dropped and land values declined by 30–40% in most parts of Europe between 1350 and 1400. Landholders faced a great loss, but for ordinary men and women it was a windfall. The survivors of the plague found not only that

5888-427: The independent city-republics of Italy took over the principles of capitalism invented on monastic estates and set off a vast unprecedented Commercial Revolution that preceded and financed the Renaissance. Historian Leon Poliakov offers a critical view in his seminal study of European racist thought: The Aryan Myth . According to Poliakov, the use of ethnic origin myths are first used by Renaissance humanists "in

5980-407: The introduction of modern banking and the field of accounting. The Renaissance period started during the crisis of the Late Middle Ages and conventionally ends by the 1600s with the waning of humanism , and the advents of the Reformation and Counter-Reformation , and in art the Baroque period. It had a different period and characteristics in different regions, such as the Italian Renaissance,

6072-464: The language, literature, learning and values of ancient Greece and Rome". Above all, humanists asserted "the genius of man ... the unique and extraordinary ability of the human mind". Humanist scholars shaped the intellectual landscape throughout the early modern period. Political philosophers such as Niccolò Machiavelli and Thomas More revived the ideas of Greek and Roman thinkers and applied them in critiques of contemporary government, following

6164-437: The late 13th century, in particular with the writings of Dante and the paintings of Giotto . As a cultural movement, the Renaissance encompassed innovative flowering of literary Latin and an explosion of vernacular literatures , beginning with the 14th-century resurgence of learning based on classical sources, which contemporaries credited to Petrarch ; the development of linear perspective and other techniques of rendering

6256-442: The latter's annual budget never exceeded US$ 20,000. In September 1929 the Copenhagen Conference of Directors set up a technical Commission For Climatology, which held a meeting at Innsbruck discussing issues such as the relationship between dynamic meteorology and climatology. At its 1934 Wiesbaden meeting the Commission designated the thirty-year period from 1901 to 1930 as the reference time frame for climatological standard normals.

6348-410: The leading British and European meteorologists, including: Matthew Fontaine Maury , of the US Navy , initiated the convening of the first true International Meteorological conference from late August through early September 1853. The conference opened its proceedings at Brussels , Belgium , on 23 August 1853, in the residence of M. Piercot, the Minister of the Interior. The governments represented at

6440-436: The north and west respectively, and the Venetians to the north east. 15th-century Italy was one of the most urbanized areas in Europe. Many of its cities stood among the ruins of ancient Roman buildings; it seems likely that the classical nature of the Renaissance was linked to its origin in the Roman Empire's heartland. Historian and political philosopher Quentin Skinner points out that Otto of Freising (c. 1114–1158),

6532-419: The prevailing cultural conditions at the time. Lorenzo de' Medici (1449–1492) was the catalyst for an enormous amount of arts patronage, encouraging his countrymen to commission works from the leading artists of Florence, including Leonardo da Vinci , Sandro Botticelli , and Michelangelo Buonarroti . Works by Neri di Bicci , Botticelli, Leonardo, and Filippino Lippi had been commissioned additionally by

6624-459: The prices of food were cheaper but also that lands were more abundant, and many of them inherited property from their dead relatives. The spread of disease was significantly more rampant in areas of poverty. Epidemics ravaged cities, particularly children. Plagues were easily spread by lice, unsanitary drinking water, armies, or by poor sanitation. Children were hit the hardest because many diseases, such as typhus and congenital syphilis , target

6716-412: The qualities of the ideal citizen. The dialogues include ideas about how children develop mentally and physically, how citizens can conduct themselves morally, how citizens and states can ensure probity in public life, and an important debate on the difference between that which is pragmatically useful and that which is honest. The humanists believed that it is important to transcend to the afterlife with

6808-549: The role played by the Medici , a banking family and later ducal ruling house , in patronizing and stimulating the arts. Some historians have postulated that Florence was the birthplace of the Renaissance as a result of luck, i.e., because " Great Men " were born there by chance: Leonardo, Botticelli and Michelangelo were all born in Tuscany . Arguing that such chance seems improbable, other historians have contended that these "Great Men" were only able to rise to prominence because of

6900-527: The same time". Even cities and states beyond central Italy, such as the Republic of Florence at this time, were also notable for their merchant republics , especially the Republic of Venice. Although in practice these were oligarchical , and bore little resemblance to a modern democracy , they did have democratic features and were responsive states, with forms of participation in governance and belief in liberty. The relative political freedom they afforded

6992-454: The secular and worldly, both through the revival of ideas from antiquity and through novel approaches to thought. Political philosopher Hans Kohn describes it as an age where "Men looked for new foundations"; some like Erasmus and Thomas More envisioned new reformed spiritual foundations, others. in the words of Machiavelli , una lunga sperienza delle cose moderne ed una continua lezione delle antiche (a long experience with modern life and

7084-407: The service of a new born chauvinism". Many argue that the ideas characterizing the Renaissance had their origin in Florence at the turn of the 13th and 14th centuries, in particular with the writings of Dante Alighieri (1265–1321) and Petrarch (1304–1374), as well as the paintings of Giotto di Bondone (1267–1337). Some writers date the Renaissance quite precisely; one proposed starting point

7176-574: The states of North America , Central America , and the Caribbean , including three European states with dependencies within the region. It has a total of 25 member states and 2 member territories. The member states are: The two member territories are: Non-members Region V consists of 23 member states and 2 member territories. The member states are: The Cook Islands and Niue (both are in free association with New Zealand) The member territories are: Non-members Region VI consists consist of all

7268-450: The states of Africa and a few former colonial powers. Region I has 57 member states and no member territories: Non-member Region II has 33 member states and 2 member territories. The member states are: The member territories are: Region III consists of the states of South America , including France as French Guiana is an overseas region of France. It has a total of 13 member states and no member territories: Region IV consists of

7360-526: The works of Leonardo, Michelangelo and Raphael representing artistic pinnacles that were much imitated by other artists. Other notable artists include Sandro Botticelli , working for the Medici in Florence, Donatello , another Florentine, and Titian in Venice, among others. In the Low Countries , a particularly vibrant artistic culture developed. The work of Hugo van der Goes and Jan van Eyck

7452-423: Was a cultural "advance" from the Middle Ages, instead seeing it as a period of pessimism and nostalgia for classical antiquity , while social and economic historians, especially of the longue durée , have instead focused on the continuity between the two eras, which are linked, as Panofsky observed, "by a thousand ties". The word has also been extended to other historical and cultural movements, such as

7544-488: Was an extension of the Middle Ages. The beginnings of the period—the early Renaissance of the 15th century and the Italian Proto-Renaissance from around 1250 or 1300—overlap considerably with the Late Middle Ages , conventionally dated to c.  1350–1500 , and the Middle Ages themselves were a long period filled with gradual changes, like the modern age; as a transitional period between both,

7636-555: Was appointed president, and the head of British Meteorological Office, Robert Scott was appointed secretary. There was however no separate funding. Also the directors agreed on a collaborative research effort with the International Polar Year 1882–1883. The first International Meteorological Tables were published in 1889. The 1891 Conference of Directors of Meteorological Services convened in Munich . The organization

7728-638: Was conducive to academic and artistic advancement. Likewise, the position of Italian cities such as Venice as great trading centres made them intellectual crossroads. Merchants brought with them ideas from far corners of the globe, particularly the Levant . Venice was Europe's gateway to trade with the East, and a producer of fine glass , while Florence was a capital of textiles. The wealth such business brought to Italy meant large public and private artistic projects could be commissioned and individuals had more leisure time for study. One theory that has been advanced

7820-405: Was formalized as an artistic technique. The development of perspective was part of a wider trend toward realism in the arts. Painters developed other techniques, studying light, shadow, and, famously in the case of Leonardo da Vinci , human anatomy . Underlying these changes in artistic method was a renewed desire to depict the beauty of nature and to unravel the axioms of aesthetics , with

7912-441: Was founded in its version of humanism , derived from the concept of Roman humanitas and the rediscovery of classical Greek philosophy , such as that of Protagoras , who said that "man is the measure of all things". Although the invention of metal movable type sped the dissemination of ideas from the later 15th century, the changes of the Renaissance were not uniform across Europe: the first traces appear in Italy as early as

8004-699: Was further refined by electing an Executive Bureau and deciding upon the first permanent topic commission, the Commission for Terrestrial Magnetism. The 1896 Conference of Directors in Paris established more commissions: the Commission for Radiation and Insolation, and the Commission for Aeronautics. At the same year IMO published the first International Cloud Atlas . In 1905 the Conference of Directors convened in Innsbruck . Léon Teisserenc de Bort proposed

8096-494: Was particularly influential on the development of painting in Italy, both technically with the introduction of oil paint and canvas, and stylistically in terms of naturalism in representation. Later, the work of Pieter Brueghel the Elder would inspire artists to depict themes of everyday life. In architecture, Filippo Brunelleschi was foremost in studying the remains of ancient classical buildings. With rediscovered knowledge from

8188-527: Was the hottest year on record, with many weather and climate extremes, according to the most recent WMO report. As of August 2023, the WMO has a membership of 193 member states and territories. In keeping with its mandate to promote the standardization of meteorological observations, the WMO maintains numerous code forms for the representation and exchange of meteorological, oceanographical, and hydrological data. The traditional code forms, such as SYNOP , CLIMAT and TEMP , are character-based and their coding

8280-418: Was the rebuilding of St. Peter's Basilica , combining the skills of Bramante , Michelangelo, Raphael, Sangallo and Maderno . During the Renaissance, architects aimed to use columns, pilasters , and entablatures as an integrated system. The Roman orders types of columns are used: Tuscan and Composite . These can either be structural, supporting an arcade or architrave, or purely decorative, set against

8372-427: Was thought that the classics provided moral instruction and an intensive understanding of human behavior. A unique characteristic of some Renaissance libraries is that they were open to the public. These libraries were places where ideas were exchanged and where scholarship and reading were considered both pleasurable and beneficial to the mind and soul. As freethinking was a hallmark of the age, many libraries contained

8464-587: Was two stations within each ten-degree latitude/longitude quadrangle. Ultimately, the network comprises about 500 land stations between 80°N and 61°S. The first annual data set, for 1911, appeared in 1917. Between the two world wars there were four further Conferences of Directors, 1919 in Paris, 1923 in Utrecht, 1929 in Copenhagen and 1935 in Warsaw. The IMO did not acquire a permanent secretariat until 1926, and

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