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A subterranean river (also known as an underground river) is a river or watercourse that runs wholly or partly beneath the ground, one where the riverbed does not represent the surface of the Earth. It is distinct from an aquifer , which may flow like a river but is contained within a permeable layer of rock or other unconsolidated materials.
An open lake is a lake where water constantly flows out under almost all climatic circumstances. Because water does not remain in an open lake for any length of time, dissolved solids do not accumulate, and such lakes are usually fresh water. Open lakes form in areas where precipitation is greater than evaporation. Because most of the world's ...
The border of Europe and Asia is here defined as from the Kara Sea, along the Ural Mountains and Ural River to the Caspian Sea.While the crest of the Caucasus Mountains is the geographical border with Asia in the south, Georgia, and to a lesser extent Armenia and Azerbaijan, are politically and culturally often associated with Europe; rivers in these countries are therefore included.
The headwaters of a river are the smaller streams that feed a river, and make up the river's source. [4] These streams may be small and flow rapidly down the sides of mountains . [ 5 ] All of the land uphill of a river that feeds it with water in this way is in that river's drainage basin or watershed. [ 4 ]
It is joined by the Minnesota River at Fort Snelling, by the St. Croix River near Hastings, by the Chippewa River at Wabasha, and by many smaller streams. The Red River , in the bed of glacial Lake Agassiz , drains the northwest part of the state northward toward Canada's Hudson Bay .
All rivers entering the North Sea between Spurn Point at the mouth of the Humber and the Scottish Border. This section includes all rivers meeting the North Sea coast of the traditional county of Yorkshire, save for the Humber and Tees. Barmston Main Drain catchment. Barmston Main Drain (MS) Gransmoor Drain (L) Stream Dyke (R) Minor coastal ...
The Rogue River contains "extremely high-quality salmonid habitat and has one of the finest salmonid fisheries in the west. However, most stocks are less abundant than they were historically... ". [120] Salmonids found in the Rogue River downstream of Lost Creek Lake include Coho salmon, spring and fall Chinook salmon, and summer and winter ...
The Yellow River [a], also known as Huanghe, is the second-longest river in China and the sixth-longest river system on Earth, with an estimated length of 5,464 km (3,395 mi) and a watershed of 795,000 km 2 (307,000 sq mi).