Toba Lake

Senin, 31 Mei 2010.

Toba Lake in northern Sumatra has a width of 30 km and 100 km long and 450 meters depth, in the middle of the lake have Samosir Island and the island of Samosir is there another lake and a lake called Sidihoni Lake and Aek Natonang Lake


Black water lake or Bagantung Lake

This dark water lake located in Kapuas district, Central Kalimantan, indonesia, people there often refer to this lake called Lake begantung, why it is said the black water lake, this lake because the water is black. The cause of the color black is the presence of surrounding peatlands, peatland. Peatlands in the form of twigs, leaves, roots, stems that have been rotting the storing large quantities of water and flows into the lake.

Besides the beauty of color, black water from the lake water can serve as a tonic for men, this proved to be resident in the area around the lake is even older remains strong. Water from the lake of black water can be drunk and not cause disease.

lake types

Kamis, 27 Mei 2010.
Lake is a basin at the surface of the earth that contain water. The lake has benefits such as for irrigation, tourism, hydroelectric power, inland fishery business place, a source of water supply for living things around and controlling flood and erosion.

Lake types are:

1. Karst lake
Karts Lake is a lake located in areas where calcareous small size and large called doline named uvala.

2. Volcanic Lake / Crater Lake
Volcanic lake is a lake that formed in a former volcanic crater. Examples are: Lake Batur in Bali.

3. Artificial Lake / Reservoir
Artificial lake is a lake that is deliberately created by humans to meet the water needs of agriculture, inland fisheries, drinking water, and others. Example: Jatiluhur Reservoir in West Java.

4. Tectonic lake
Tectonic lake is a lake which occurs due to activity / tectonic events that resulted in surface soil on the earth's crust down to the bottom form a concave and eventually filled with water.Examples : Lake Toba in North Sumatra.
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