Lake is the body of freshwater in large amount that occupy a basin in the land. A pool also can be call a lake if that pool have fulfill at least three criteria:
- Having an enough large surface to cause waves
- Having an enough depth, so the water can have a strata of the water temperature
- Floating vegetation is not sufficient to cover the entire surface
A lake can be made from this two things : by the nature and by human
First, about the lake that made from nature, this lake had a long formed process without human intervetion. There's 7 kind of different kinds of nature-made lake:
- Glacial Lake, the lake formed from the activity of erosion and sedimentation in the hillsides
- Volcanic Lake, after a big volcanic eruption, the volcano turned into a caldera that filled by rainwaters for a years
- Tectonic Lake, the lake formed by activity from tectonic plates
- Tecto-volcanic Lake, the lake formed by the activty from tectonic plates that cause fracture in the earth's surface and filled by rainwaters or an underground waters for a years
- Karst Lake, the lake formed from the dissolution of limestone that formed a dolina, if this dolina fill up by waters, so we can call it a lake, because ussually this dissolution of limestone happen in a big mass
- Lake Stream, the lake formed from the cuts of the meander that filled by the waters
- Laguna Lake, the lake formed from combination of between the wind and the waves that causes a sand levee and formed a laguna
Beside the nature-made lake, we also know that there's a human-made lake like a stank, pool, etc... that made for the benefit of humanity, some benefit from human-made lake are to prevent flooding, be a recreation place, and sometimes it can be use when the dry comes
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