lake formation hydrology plhs d. blanck, ms. 1. kettle lakes formed during the process of glacial...
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Lake Formation
Hydrology
PLHS
D. Blanck, MS
1. Kettle Lakes• Formed during the process of glacial
retreat.
2. Tarn Lakes• Carved through glacial erosion (plucking)
3. Natural Reservoirs
• The natural drainage of a river is blocked by debris– Volcanic, Landslide,
Beaver Dam, Ice
Glacial Lake Agassiz was an “Ice Block” reservoir.
3a. Manmade reservoirs• Formed after the construction of flood
control or hydroelectric dams
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4. Oxbow lake
• Cut-off river meanders
5. Rift Zone lake• Form in divergent plate boundary
depressions
6. Crater Lakes
• Form in impact craters and volcanic calderas
Manicouagan Lake, Quebec. Formed 200 million years ago - Impact
Crater Lake, Mt. Mazama, Oregon - Volcanic
7. Karst Lake
• Water fills a sinkhole after the roof of a limestone cave collapses
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