Question

what is lake explain the importance of lakes in our lives

Answer 1

A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake.[1] Lakes lie on land and are not part of the ocean, and therefore are distinct from lagoons, and are also larger and deeper than ponds, though there are no official or scientific definitions.[2] Lakes can be contrasted with rivers or streams, which are usually flowing. Most lakes are fed and drained by rivers and streams.

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The Earth is called "the water planet" because it has approximately 14,108 cubic kilometers of water. However, 97.5% of this water exists in the seas, and nearly all of the remaining fresh water is locked up in the Antarctic or Arctic ice caps or as groundwater. Therefore, we can freely access only the water in lakes (0.007%) in rivers (0.002%). Of these, lakes are the best "available freshwater source on the Earth's surface." Lakes are valued as water sources and for fishing, water transport, recreation, and tourism.

Lakes as a Water Sources

Water use in Japan is distributed for household use (18.4%), industrial use (17.4%), and agricultural use (64.1%). Lakes are a vital source of water for all of these uses. Kasumigaura Lake can provide 61.45 tons of water per second. This water is divided among agricultural use (82.7%), industrial use (13.3%), and public water supply (3.8%); domestic water is supplied to Ibaraki, Chiba, and Tokyo Prefectures. Water from Biwa Lake meets the drinking water needs of 14 million people in Shiga, Kyoto, Osaka, and Hyogo prefectures. The history of Manno-ike Reservoir (Kagawa Pref.), as an agricultural reservoir, dates back to the Taiho period (701 AD to 704 AD). Lake water is also invaluable as a source for hydroelectric power generation. Hydroelectric power accounts for about ten percent of generated power in Japan, nearly all the water for which comes from artificial and natural lakes.

Answer 2

Answer:

Proper lake function can ease the impact of floods and droughts by storing large amounts of water and releasing it during shortages. Lakes also work to replenish groundwater, positively influence water quality of downstream watercourses, and preserve the biodiversity and habitat of the area.

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