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René Chudeau
René Chudeau (21 August 1864, in Angers – 1921) was a French geologist. Formerly an instructor at the University of Besançon, from 1905 to 1914 he conducted a series of geological surveys in the Sahara (later day nations of Mali, Mauritania and Niger). His interests included Quaternary deposits, the formation of sand dunes, processes of aeolian erosion, et al. In the Taoudeni basin, he investigated ancient volcanoes, and south of Agadez, he found the presence of dinosaur bones. In the Zinder region, he made a discovery of Lower Cretaceous rocks being overlain by Upper Cretaceous successions. His geological collections are housed at the Muséum national d'histoire naturelle in Paris. The botanical species ''Pennisetum chudeaui'' Trab. Maire is named in his honor. Selected writings * ''Contribution a l'étude géologique de la Vieille-Castille'', 1896 – Contribution to the study of geology in Vieille-Castille. * ''Missions au Sahara'' Volume 1, 1908–09 (with Émi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of cities in the European Union by population within city limits, fourth-most populous city in the European Union and the List of cities proper by population density, 30th most densely populated city in the world in 2022. Since the 17th century, Paris has been one of the world's major centres of finance, diplomacy, commerce, culture, Fashion capital, fashion, and gastronomy. Because of its leading role in the French art, arts and Science and technology in France, sciences and its early adoption of extensive street lighting, Paris became known as the City of Light in the 19th century. The City of Paris is the centre of the Île-de-France region, or Paris Region, with an official estimated population of 12,271,794 inhabitants in January 2023, or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1921 Deaths
Events January * January 2 ** The Association football club Cruzeiro Esporte Clube, from Belo Horizonte, is founded as the multi-sports club Palestra Italia by Italian expatriates in First Brazilian Republic, Brazil. ** The Spanish liner ''Santa Isabel'' breaks in two and sinks off Villa Garcia, Mexico, with the loss of 244 of the 300 people on board. * January 16 – The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa. * January 17 – The first recorded public performance of the illusion of "sawing a woman in half" is given by English stage magician P. T. Selbit at the Finsbury Park Empire variety theatre in London. * January 20 – British K-class submarine HMS K5, HMS ''K5'' sinks in the English Channel; all 57 on board are lost. * January 21 – The full-length Silent film, silent comedy drama film ''The Kid (1921 film), The Kid'', written, produced, directed by and starring Charlie Chaplin (in his ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1864 Births
Events January * January 13 – American songwriter Stephen Foster ("Oh! Susanna", "Old Folks at Home") dies aged 37 in New York City, leaving a scrap of paper reading "Dear friends and gentle hearts". His parlor song "Beautiful Dreamer" is published in March. * January 16 – Denmark rejects an Austrian-Prussian ultimatum to repeal the Danish Constitution, which says that Schleswig-Holstein is part of Denmark. * January 21 – New Zealand Wars: The Tauranga campaign begins. February * February – John Wisden publishes ''Wisden Cricketers' Almanack, The Cricketer's Almanack for the year 1864'' in England; it will go on to become the major annual cricket reference publication. * February 1 – Danish-Prussian War (Second Schleswig War): 57,000 Austrian and Prussian troops cross the Eider River into Denmark. * February 15 – Heineken N.V., Heineken Brewery is founded in the Netherlands. *American Civil War: ** February 17 – The tiny Confed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Niger River
The Niger River ( ; ) is the main river of West Africa, extending about . Its drainage basin is in area. Its source is in the Guinea Highlands in south-eastern Guinea near the Sierra Leone border. It runs in a crescent shape through Mali, Niger, on the border with Benin and then through Nigeria, discharging through a massive River delta, delta, known as the Niger Delta, into the Gulf of Guinea in the Atlantic Ocean. The Niger is the third-longest river in Africa, exceeded by the Nile and the Congo River. Its main tributary is the Benue River. Etymology The Niger has different names in the different languages of the region: * Fula language, Fula: ''Maayo Jaaliba'' * Manding languages, Manding: ''Jeliba'' or ''Joliba'' "great river" * Tuareg languages, Tuareg: ''Eġərəw n-Igərǝwăn'' "river of rivers" * Songhay languages, Songhay: ''Isa'' "the river" * Zarma language, Zarma: ''Isa Beeri'' "great river" * Hausa language, Hausa: ''Kwara'' *Nupe language, Nupe: ''Èdù'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drainage Basin
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, " watershed" is used only in its original sense, that of the drainage divide line. A drainage basin's boundaries are determined by watershed delineation, a common task in environmental engineering and science. In a closed drainage basin, or endorheic basin, rather than flowing to the ocean, water converges toward the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethnography
Ethnography is a branch of anthropology and the systematic study of individual cultures. It explores cultural phenomena from the point of view of the subject of the study. Ethnography is also a type of social research that involves examining the behavior of the participants in a given social situation and understanding the group members' own interpretation of such behavior. As a form of inquiry, ethnography relies heavily on participant observation, where the researcher participates in the setting or with the people being studied, at least in some marginal role, and seeking to document, in detail, patterns of social interaction and the perspectives of participants, and to understand these in their local contexts. It had its origin in social and cultural anthropology in the early twentieth century, but has, since then, spread to other social science disciplines, notably sociology. Ethnographers mainly use Qualitative research, qualitative methods, though they may also include ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port-Etienne
Nouadhibou (; , ), formerly named Port-Étienne, is the second largest city in Mauritania and serves as a major commercial center. The city has about 173,000 inhabitants. It is situated on a 65-kilometre peninsula or headland called Ras Nouadhibou, ', or ', of which the western side has the city of La Güera. Nouadhibou is consequently located merely a couple of kilometers from the border between Mauritania and Western Sahara. Its current mayor is Elghassem Ould Bellali, who was installed on 15 October 2018. Nouadhibou is a major hotspot for migrant smuggling, serving as a key departure point for those attempting to reach Europe. Overview The city consists of four major areas: the city center, including the international airport; Numerowatt to the north; Cansado, the main residential area, to the south; and a dormitory town for the workers of the harbor facilities which are located a few kilometers south of the city, near the tip of the Ras Nouadhibou peninsula, at Port Min ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saint-Louis, Senegal
Saint-Louis () or Saint Louis (), is the capital of Senegal's Saint-Louis Region. Located in the northwest of Senegal, near the mouth of the Senegal River, and north of Senegal's capital city Dakar. It had a population of 254,171 in 2023. Saint-Louis was the capital of the French colony of Senegal from 1673 until 1902 and French West Africa from 1895 until 1902, when the capital was moved to Dakar. From 1920 to 1957, it also served as the capital of the neighboring colony of Mauritania. The town was an important economic center during the period of French West Africa, but it is less important now. Nonetheless, it still has important industries, including tourism, a commercial center, sugar production, and fishing. The tourism industry is in part due to the city being listed as a UNESCO World Heritage Site in 2000. However, the city is also Climate change vulnerability, vulnerable to climate change—where sea level rise is expected to threaten the city center and potentially damag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jean Abel Gruvel
Jean Abel Gruvel (14 February 1870 in Le Fleix – 18 August 1941 in Dinard) was a French marine biologist known for his research of cirripedes. Biography In 1894 he obtained his doctorate in sciences, and later taught classes in zoology for three years at the University of Bordeaux, faculty of sciences at Bordeaux. In 1902 he founded the ''Société d'études et de vulgarisation de la zoologie agricole'' in Bordeaux. Later on, he was a professor at the ''Muséum national d'histoire naturelle'' in Paris, and was chair of the commission for the regulation of whaling for French West Africa and of the committee for the protection of colonial fauna and flora.Abel Gruvel Académie des sciences d'outre-mer He was a member of the ''Conseil supérieur des colonies'', of which, he served as vice-president of the department deali ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
