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Lake Khövsgöl
Lake Khövsgöl is the largest freshwater lake in Mongolia by volume and second largest by area. It is located near the northern border of Mongolia, about 200 km (124 mi) west of the southern end of Lake Baikal. It is nicknamed the "Younger sister" of those two "sister lakes". The lake's name is also spelled Hovsgol, Khövsgöl, or Huvsgul in English texts. It is called Хөвсгөл нуур ''Hövsgöl núr'' in Mongolian, and is also referred to as Хөвсгөл далай ''Hövsgöl dalai'' ("Ocean Khövsgöl") or ''Далай ээж'' ''Dalai éj'' ("Ocean Mother"). Geography Lake Khuvsgul is located in the northwest of Mongolia near the Russian border, at the foot of the eastern Sayan Mountains. It is above sea level, long and deep. It is the second-most voluminous freshwater lake in Asia, and holds almost 70% of Mongolia's fresh water and 0.4% of all the fresh water in the world. The town of Hatgal lies at the southern end of the lake. Lake Khuvsgul's waters ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Lake
An ancient lake is a lake that has consistently carried water for more than one million years. Many have existed for more than 2.6 million years, the full Quaternary period. Ancient lakes continue to persist due to plate tectonics in an active rift zone. This active rift zone creates lakes that are extremely deep and difficult to naturally fill with sediment. Due to the prolonged life of ancient lakes, they serve as models for isolated evolutionary traits and speciation. Most of the world's bodies of water are less than 18,000 years old. There are only 20 ancient lakes over 1 million years old. Lake Baikal is often considered the oldest, as clear evidence shows that it is 25–30 million years old. Lake Zaysan may be even older, of Cretaceous origin and at least 66 million years old (most likely around 70 million years), but its exact age is controversial and labelled with some uncertainty. Another contender for oldest is Lake Maracaibo, estimated to be 20–36 million years ol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selenga
The Selenga or Selenge ( ; bua, Сэлэнгэ гол / Сэлэнгэ мүрэн, translit=Selenge gol / Selenge müren; russian: Селенга́, ) is a major river in Mongolia and Buryatia, Russia. Originating from its headwater tributaries, the Ider and the Delger mörön, it flows for before draining into Lake Baikal. The Selenga therefore makes up the most distant headwaters of the Yenisey-Angara river system. Carrying of water into Lake Baikal, it makes up almost half of the riverine inflow into the lake, and forms a wide delta of when it reaches the lake. Periodic annual floods are a feature of the Selenga River. The floods can be classified as “ordinary”, “large” or “catastrophic” based on the degree of impact. Of the twenty-six documented floods that occurred between 1730 and 1900, three were “catastrophic”. The three “catastrophic” floods were the floods of 1830, 1869 and 1897. The Selenga River basin is a semi-arid region that is in area. I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oligotrophic
An oligotroph is an organism that can live in an environment that offers very low levels of nutrients. They may be contrasted with copiotrophs, which prefer nutritionally rich environments. Oligotrophs are characterized by slow growth, low rates of metabolism, and generally low population density. Oligotrophic environments are those that offer little to sustain life. These environments include deep oceanic sediments, caves, glacial and polar ice, deep subsurface soil, aquifers, ocean waters, and leached soils. Examples of oligotrophic organisms are the cave-dwelling olm; the bacterium " ''Candidatus'' Pelagibacter communis", which is the most abundant organism in the oceans with an estimated 2 × 1028 individuals in total; and the lichens with their extremely low metabolic rate. Etymologically, the word "oligotroph" is a combination of the Greek adjective ''oligos'' (ὀλίγος) meaning "few" and the adjective ''trophikos'' (τροφικός)) meaning "feeding". Plant adap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Vostok
Lake Vostok (russian: озеро Восток, ''ozero Vostok'') is the largest of Antarctica's almost 400 known subglacial lakes. Lake Vostok is located at the southern Pole of Cold, beneath Russia's Vostok Station under the surface of the central East Antarctic Ice Sheet, which is at above mean sea level. The surface of this fresh water lake is approximately under the surface of the ice, which places it at approximately below sea level. Measuring long by wide at its widest point, it covers an area of making it the 16th largest lake by surface area. With an average depth of , it has an estimated volume of , making it the 6th largest lake by volume. The lake is divided into two deep basins by a ridge. The liquid water depth over the ridge is about , compared to roughly deep in the northern basin and deep in the southern. The lake is named after Vostok Station, which in turn is named after the '' Vostok'' (Восток), a sloop-of-war, which means "East" in Russian. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Lake
An ancient lake is a lake that has consistently carried water for more than one million years. Many have existed for more than 2.6 million years, the full Quaternary period. Ancient lakes continue to persist due to plate tectonics in an active rift zone. This active rift zone creates lakes that are extremely deep and difficult to naturally fill with sediment. Due to the prolonged life of ancient lakes, they serve as models for isolated evolutionary traits and speciation. Most of the world's bodies of water are less than 18,000 years old. There are only 20 ancient lakes over 1 million years old. Lake Baikal is often considered the oldest, as clear evidence shows that it is 25–30 million years old. Lake Zaysan may be even older, of Cretaceous origin and at least 66 million years old (most likely around 70 million years), but its exact age is controversial and labelled with some uncertainty. Another contender for oldest is Lake Maracaibo, estimated to be 20–36 million years ol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rainy Clouds Over Lake Khövsgöl
Rain is water droplets that have condensed from atmospheric water vapor and then fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It provides water for hydroelectric power plants, crop irrigation, and suitable conditions for many types of ecosystems. The major cause of rain production is moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts. If enough moisture and upward motion is present, precipitation falls from convective clouds (those with strong upward vertical motion) such as cumulonimbus (thunder clouds) which can organize into narrow rainbands. In mountainous areas, heavy precipitation is possible where upslope flow is maximized within windward sides of the terrain at elevation which forces moist air to condense and fall out as rainfall along the sides of mountains. On the leeward side of mountains, desert climates can ex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hovsgol
{{disambiguation ...
* Lake Khövsgöl * Khövsgöl Province Khövsgöl ( mn, Хөвсгөл) is the northernmost of the 21 aimags (provinces) of Mongolia. The name is derived from Lake Khövsgöl. Geography and history The round-topped Tarvagatai, Bulnain and Erchim sub-ranges of the Khangai massif do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wooden Boy Island
Wooden Boy is a small island in Khövsgöl Lake, Mongolia, called Dalan Modon Khuis (Далайн-Модон-Хуйс, "Forest Navel in the Sea") in Mongolian.Wooden Boy / Dalan Modon Khuis Island . Google Maps, accessed on 2019-05-24. The island is roughly , measuring 3 km east–west and 2 km north–south. It is located about 11 km from the lake's eastern shore, and 50 km north of the town of Hatgal. The island rises out of the lake as a rounded bulge, reaching 174 m above the water surface. It is uninhabited and mostly covered by dense |
Ellipse
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. It generalizes a circle, which is the special type of ellipse in which the two focal points are the same. The elongation of an ellipse is measured by its eccentricity e, a number ranging from e = 0 (the limiting case of a circle) to e = 1 (the limiting case of infinite elongation, no longer an ellipse but a parabola). An ellipse has a simple algebraic solution for its area, but only approximations for its perimeter (also known as circumference), for which integration is required to obtain an exact solution. Analytically, the equation of a standard ellipse centered at the origin with width 2a and height 2b is: : \frac+\frac = 1 . Assuming a \ge b, the foci are (\pm c, 0) for c = \sqrt. The standard parametric equation is: : (x,y) = (a\cos(t),b\sin(t)) \quad \text \quad 0\leq t\leq 2\pi. Ellipses ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mongolian Arats At The Lake
Mongolian may refer to: * Something of, from, or related to Mongolia, a country in Asia * Mongolian people, or Mongols * Mongolia (1911–24), the government of Mongolia, 1911–1919 and 1921–1924 * Mongolian language * Mongolian alphabet * Mongolian (Unicode block) * Mongolian cuisine * Mongolian culture Other uses * Mongolian idiocy, now more commonly referred to as Down syndrome See also * * Languages of Mongolia * List of Mongolians * Mongolian nationalism (other) Mongolian nationalism may refer to: * Historical Mongolian nationalism that led to the Mongolian Revolution of 1911 against the Qing Empire * Historical Mongolian nationalism that led to the Mongolian Revolution of 1921 against the Chinese Republic ... * Mongolian race (other) * Mongoloid (other) {{disambiguation Language and nationality disambiguation pages ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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