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Manych Ship Canal
The Manych Ship Canal is a canal between the Black Sea lagoon the Sea of Azov and the Caspian Sea. Proposals are being considered to turn it into a larger form known as the Eurasia Canal. This would be a multipurpose water-resources system and a limb of international transport. A proposed design would deepen the canal to and widen it to . This would afford a traffic capacity of more than 75 million tons of cargo per year. Vessels could have a freight-carrying capacity of up to 10,000 tons. ("Again about the Eurasia Canal" - Arasha Bolaev) "Pravitelstvennaya Gazeta" (The Government Newspaper), 12 july 2008 Projections for development Projections for development of the freight turnover in southern Russia prepared by the ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Black Sea
The Black Sea is a marginal mediterranean sea of the Atlantic Ocean 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 Don. Consequently, while six countries have a coastline on the sea, its drainage basin includes parts of 24 countries in Europe. The Black Sea covers (not including the Sea of Azov), has a maximum depth of , and a volume of . Most of its coasts ascend rapidly. These rises are the Pontic Mountains to the south, bar the southwest-facing peninsulas, 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 farth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Don River (Russia)
The Don ( rus, Дон, p=don) is the fifth-longest river in Europe. Flowing from Central Russia to the Sea of Azov in Southern Russia, it is one of Russia's largest rivers and played an important role for traders from the Byzantine Empire. Its basin is between the Dnieper basin to the west, the lower Volga basin immediately to the east, and the Oka basin (tributary of the Volga) to the north. Native to much of the basin were Slavic nomads. The Don rises in the town of Novomoskovsk southeast of Tula (in turn south of Moscow), and flows 1,870 kilometres to the Sea of Azov. The river's upper half ribbles (meanders subtly) south; however, its lower half consists of a great eastern curve, including Voronezh, making its final stretch, an estuary, run west south-west. The main city on the river is Rostov-on-Don. Its main tributary is the Seversky Donets, centred on the mid-eastern end of Ukraine, thus the other country in the overall basin. To the east of a series of thr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biodiversity
Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic (''genetic variability''), species (''species diversity''), and ecosystem (''ecosystem diversity'') level. Biodiversity is not distributed evenly on Earth; it is usually greater in the tropics as a result of the warm climate and high primary productivity in the region near the equator. Tropical forest ecosystems cover less than 10% of earth's surface and contain about 90% of the world's species. Marine biodiversity is usually higher along coasts in the Western Pacific, where sea surface temperature is highest, and in the mid-latitudinal band in all oceans. There are latitudinal gradients in species diversity. Biodiversity generally tends to cluster in hotspots, and has been increasing through time, but will be likely to slow in the future as a primary result of deforestation. It encompasses the evolutionary, ecological, and cultural ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wader
245px, A flock of Dunlins and Red knots">Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflats in order to foraging, forage for food crawling or burrowing in the mud and sand, usually small arthropods such as aquatic insects or crustaceans. The term "wader" is used in Europe, while "shorebird" is used in North America, where "wader" may be used instead to refer to long-legged wading birds such as storks and herons. There are about 210 species of wader, most of which live in wetland or coastal environments. Many species of Arctic and temperate regions are strongly migratory, but tropical birds are often resident, or move only in response to rainfall patterns. Some of the Arctic species, such as the little stint, are amongst the longest distance migrants, spending the non- breeding season in the southern hemisphere. Many of the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salinity
Salinity () is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is usually measured in g/L or g/kg (grams of salt per liter/kilogram of water; the latter is dimensionless and equal to ‰). Salinity is an important factor in determining many aspects of the chemistry of natural waters and of biological processes within it, and is a thermodynamic state variable that, along with temperature and pressure, governs physical characteristics like the density and heat capacity of the water. A contour line of constant salinity is called an ''isohaline'', or sometimes ''isohale''. Definitions Salinity in rivers, lakes, and the ocean is conceptually simple, but technically challenging to define and measure precisely. Conceptually the salinity is the quantity of dissolved salt content of the water. Salts are compounds like sodium chloride, magnesium sulfate, potassium nitrate, and sodium bicarbonate which dissolve into ions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kuban River
The Kuban; Circassian: Псыжъ, ''Psyẑ'' or Псыжь, ''Psyź'' ; abq, Къвбина, ''Q̇vbina'' ; Karachay–Balkar: Къобан, ''Qoban''; Nogai: Кобан, ''Qoban'') is a river in Russia that flows through the Western Caucasus and drains into the Sea of Azov. The Kuban runs mostly through Krasnodar Krai for , but also in the Karachay–Cherkess Republic, Stavropol Krai and the Republic of Adygea. The Kuban flows north and west from its source near Mount Elbrus in the Caucasus Mountains, eventually reaching Temryuk Bay in the Sea of Azov. It is navigable up to Krasnodar. Major cities on the river are Karachayevsk, Cherkessk, Nevinnomyssk, Armavir, Novokubansk, Kropotkin, Ust-Labinsk, Krasnodar and Temryuk. Despite its name, Slavyansk-na-Kubani lies not on the Kuban River, but on its distributary the Protoka. Geography and hydrology The river originates on the slopes of Mount Elbrus and forms at the merger of its two tributaries, Ullukam and Uchkulam; ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chogray Reservoir
The Chogray Reservoir (russian: Чограйское водохранилище, ''Chograyskoye vodokhranilishche'') is an artificial reservoir on the East Manych River on the border of Stavropol Krai and Kalmykia in southern Russia. The reservoir, 49 km long, was constructed in 1969-1973, primarily to satisfy the demands of local irrigated farming. Its area is 185 square km, volume 0.7 cubic km. Besides capturing water naturally brought by the tributaries of the East Manych River, the reservoir receives water from the Terek River and the Kuma River over the Kuma-Manych Canal, which was completed a few years before the reservoir. Later on, another irrigation canal – the Chernyye Zemli Main Canal (Черноземельский магистральный канал, ''Chernozemelsky magistralny kanal'') was built, taking water from the Chogray Reservoir further east and north, into Kalmykia. In 2008, after almost 40 years of operation, the reservoir was reported as in d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stanitsa
A stanitsa ( rus, станица, p=stɐˈnʲitsə; uk, станиця, stanytsya) is a village inside a Cossack host ( uk, військо, viys’ko; russian: казачье войско, kazach’ye voysko, sometimes translated as "Cossack Army"). Stanitsas (russian: станицы, stanitsy) — Cossack military settlements — were the primary unit of Cossack hosts. While the word ''stanitsa'' survives in modern usage, the stanitsa as a social system in its historic context was effectively destroyed in the aftermath of the 1917 Russian revolution, when the Russian Civil War (1917–1922) and subsequent collectivisation (1928–1940) of the land by the state in the Stalinist period and the Holodomor (1932–1933) destroyed the culture and the economic foundations of stanitsas. Historical definition Historically, the stanitsa was a unit of economic and political organisation of the Cossack peoples — primarily in the southern regions of the Russian Empire. Each stanit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weir
A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. Weirs are also used to control the flow of water for outlets of lakes, ponds, and reservoirs. There are many weir designs, but commonly water flows freely over the top of the weir crest before cascading down to a lower level. Etymology There is no single definition as to what constitutes a weir and one English dictionary simply defines a weir as a small dam, likely originating from Middle English ''were'', Old English ''wer'', derivative of root of ''werian,'' meaning "to defend, dam". Function Commonly, weirs are used to prevent flooding, measure water discharge, and help render rivers more navigable by boat. In some locations, the terms dam and weir are synonymous, but normally there is a clear distinction made between the structures. Usually, a dam is designed specifically to impound water behind ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hamlet (place)
A hamlet is a human settlement that is smaller than a town or village. Its size relative to a Parish (administrative division), parish can depend on the administration and region. A hamlet may be considered to be a smaller settlement or subdivision or satellite entity to a larger settlement. The word and concept of a hamlet has roots in the Anglo-Norman settlement of England, where the old French ' came to apply to small human settlements. Etymology The word comes from Anglo-Norman language, Anglo-Norman ', corresponding to Old French ', the diminutive of Old French ' meaning a little village. This, in turn, is a diminutive of Old French ', possibly borrowed from (West Germanic languages, West Germanic) Franconian languages. Compare with modern French ', Dutch language, Dutch ', Frisian languages, Frisian ', German ', Old English ' and Modern English ''home''. By country Afghanistan In Afghanistan, the counterpart of the hamlet is the Qila, qala (Dari language, Dari: ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Irrigation
Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow Crop, crops, Landscape plant, landscape plants, and Lawn, lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been developed by many cultures around the world. Irrigation helps to grow crops, maintain landscapes, and revegetation, revegetate disturbed soils in dry areas and during times of below-average rainfall. In addition to these uses, irrigation is also employed to protect crops from frost, suppress weed growth in grain fields, and prevent soil consolidation. It is also used to cool livestock, reduce dust, dispose of sewage, and support mining operations. Drainage, which involves the removal of surface and sub-surface water from a given location, is often studied in conjunction with irrigation. There are several methods of irrigation that differ in how water is supplied to plants. Surface irrigation, also known as gravity irri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
