BASIN / LAKE

The lake is a water (fresh or salt) that accumulates in a place large enough, which may occur due to the melting of glaciers, streams, or because of the springs. Usually, the lake can be used as a means of recreation, and sport.

The lake is a large basin in the earth's surface that can be flooded by fresh water or salt the entire basin is surrounded by land. Most of the lake is fresh water and many were in the northern hemisphere at a higher elevation above. A periglasial lake is a lake that formed in one of the ice, "ice cap" or glacier, the ice covering the water flow out of the lake.

Sarygamysh lake in Turkmenistan, seen by satellite.

The term lake is also used to describe phenomena such as Lake Eyre, where the lake is dry in a lot of time and only filled during the rainy season. Many lakes are artificial and deliberately constructed for hydro-electric power supply, recreation (swimming, windsurfing, etc.), water supply, etc..
Finland is known as the "Land of a Thousand Lakes" and Minnesota is known as the "Land of Ten Thousand Lakes".Great Lakes in North America also has its origin from the ice age. Approximately 60% of the world lakes located in Canada; This is because the drainage system that dominates the country's chaotic.

In no dark areas berbasal, similar but smaller mare month, called Lacus (from the Latin word meaning "lake"). They are estimated by astronomers as a lake.
Based on the occurrence, lakes are distinguished:

1. tectonic lake is a lake formed by the subsidence of the earth because of the shift / fracture
2. volcanic lake is a lake formed by volcanism / volcano
3. tektovulkanik lake is a lake formed by mixing tektonisme activity and volcanism
4. natural dam lake is a lake formed by river valleys dammed by lava flows when eruptions happen
   karst lake is a lake formed by the dissolution of limestone
5. glacial lake is a lake formed by the melting of ice / dry ice area was then filled with water
6. artificial lake that the lake formed due to human activity

Famous lake
in the world's largest lake is the Caspian Sea. With a surface area of 394,299 km ², it has a larger area than the following six largest lakes combined.

• Largest freshwater lake, and the second largest is Lake Superior with a surface area of ​​82,414 km ².
• Deepest lake is Lake Baikal in Siberia, with a depth of 1741 meters (5712 feet).
• The highest navigable lake is Lake Titicaca, at an altitude of 3821 m above sea level. He is also the second largest lake in South America.
• The world's lowest lake is the Dead Sea, at 396 m (1,302 ft) below sea level. He is also a lake that has the highest salt concentration.
• The largest island in the freshwater lake is Manitoulin Island in Lake Huron, with a surface area of ​​2766 km ².
• The biggest lake is located on the island Nettiling lake on Baffin Island.
• Lake Toba on Sumatra island lies in the possibility of passive volcanic crater in the world.

Here is a list of lakes in Indonesia:

• Lake Airhitam South Sumatra
• Lake Aneuklaot Aceh
• Lake Anggi Giji Papua
• Lake Anggi Gita Papua
• Aul Lake West Java
• Lake Central Kalimantan Bambenan
• Lake Bangkau South Kalimantan
• Lake Batur Bali
• Jai Stone Lake Lombok
• Lake clot West Kalimantan
• Lake Belida West Kalimantan
• Blue Lake Papua
• Bitin Lake South Kalimantan
• Lake Beratan Bali
• Lake Buyan Bali
• Lake Central Kalimantan Cembulu
• Lake Cileunca West Java
• Lake Cipanunjang West Java
• Lake Cisanti West Java
• Aul Lake West Java
• Lake Lake North Sulawesi
• Lake Grudges Not Already Bengkulu
• Above Lake West Sumatra
• Under Lake West Sumatra
• Lake Dipacampat Jambi
• Gold Lake Bengkulu
• Lake Central Kalimantan Ganting
• Lake Central Kalimantan gatel
• Lake Genali West Kalimantan
• Lake Jembawan South Sumatra
• Lake Jempang East Kalimantan
• Jepara Lake Lampung
• Three Color Lakes Ponds Kalimutu Flores
• Lake Kawah Ijen in East Java
• Crater Lake Kelut in East Java
• Lake Central Kalimantan Kenamfui
• Lake Kerinci West Sumatra
• Sea Lake Realoih Aceh
• Fresh Sea Lake Aceh
• Lake Limboto Gorontalo
• Lake Central Kalimantan blanket
• Lake Lindu, Central Sulawesi
• Lake Linouw North Sulawesi
• Lake Lubuk deling South Sumatra
• Lake Mahalona South Sulawesi
• Maninjau West Sumatra
• Lake Matana South Sulawesi
• Lake Central Kalimantan Matur
• Across Lake East Kalimantan
• Lake Central Kalimantan Mepara
• Moat Lake North Sulawesi
• Lake Pacai East Java
• Base Lake West Java
• Lake Paninai Papua
• Lake Poso in Central Sulawesi
• Lake Ranau borders Lampung and South Sumatra provinces
• Dano Swamp Lake in West Java
• Lake Swamp Kelindingan East Java
• Dizziness Swamp Lake Central Java
• Great Lakes Central Kalimantan
• Lake Rombebai Papua
• Segara Anak Lake NTB
• Lake Semayang East Kalimantan
• Lake Central Kalimantan Sembuluh
• Lake Sentani in Papua
• Lake Sentarum West Kalimantan
• Lake Sidenreng South Sulawesi
• Lake Batur West Sumatra
• Lake Sipin Jambi
• Lake Situ Bagendit West Java
• Lake Situ Cileunca West Java
• Lake Situ Langkung West Java
• Lake Situ Lengkong West Java
• Lake Situ Sipanunjang West Java
• Lake Tage Papua
• Lake Tambara Lombok
• Lake Tamblingan Bali
• Lake Tang West Kalimantan
• Lakes Ponds Menjer Central Java
• Lakes Ponds Patenggang West Java
• Sarangan Lake East Java
• Lake Teloko South Sumatra
• Tempe Lake of South Sulawesi
• Canal Lake Central Kalimantan
• Lake Test Bengkulu
• Tete Lake Central Kalimantan
• Lake Ti Bi Papua
• Lake Toba in North Sumatra
• Lake Tondano North Sulawesi
• Lake Tonjidat Papua
• Lake Wanayasa West Java
• Lake Towuti South Sulawesi
• Lake Yamur Papua
• Lake Yawasi Papua
• Lake Ranu Pakis East Java
• Lake Ranu Klakah East Java
• Lake Ranu Bedali East Java
• Lake Ranu Gumbolo East Java

10 Reservoir / Deepest Lake in Indonesia

1. Lake Matana (590 m)

Matana Lake is a lake located in Soroako, Kab. North Luwu, South Sulawesi, Indonesia. This lake has a depth of 590 meters. It is the deepest lake in Indonesia and the deepest lake in the world-8. The lake is located at the coordinate is located at 2 ° 7 o 29o 20o S 121 ° 03 E

2. Lake Toba (529 m)

Lake Toba is a volcanic lake with a length of 100 kilometers and 30 kilometers wide, located in North Sumatra Province, Indonesia. It has a maximum of 529 meters keadalaman. In the middle of this lake there is a volcanic island called Samosir Island.

Lake Toba has long become an important tourist destination in North Sumatra in addition to Bukit Lawang and Nias, attract domestic and foreign tourists.

3. Lake Poso (450 m)

Poso Lake is a lake located in the province of Central Sulawesi, Indonesia. Precisely in Poso. This lake is the third largest lake in Indonesia and has a length of 32 km and a width of 16 km. The lake is located at an altitude of 657 meters above sea level and has a maximum depth of 450 meters.

4. Under the Lake (309 m)

Below Lake is a lake in West Sumatra, Indonesia. The lake is located at 1 ° 02 353 432 513 S 100 ° E / 1.00972 ° S 100.73083 ° E / -1.00972; 100.73083. This lake together with Lake Above, known as Twin Lakes. It has a maximum depth of 309 meters.

5. Lake Batur (268 m)

Lake Batur was in two districts in West Sumatra, Solok and Tanah Datar. With an area of ​​107.8 km ² lake is the 2nd largest lake in Sumatra. This lake is upstream Trunk Ombilin. Lake water is mostly channeled through the tunnel through the Bukit Barisan to Batang Anai to drive hydroelectric generators Singkarak near Lubuk Alung, Padang Pariaman. It has a maximum depth of 268 meters.

6. Ranau Lake (229 m)

Ranau Lake is the second largest lake in Sumatra. The lake is located on the border of West Lampung Lampung and South Ulu Ogan Komering South Sumatra Province. The lake was created from a large earthquake and volcanic eruption of the volcano that makes a great basin, with a maximum depth of 229 meters.

Geographically Ranau lake topography is hilly berlembah makes it practical Ranau lake has a cool weather.

7. Towuti lake (203 m)

Towuti Lake is a lake located in South Sulawesi, Indonesia. Administratively, the lake is located in District Towuti, East Luwu, South Sulawesi province.

Towuti Lakes region is part of the Natural Park of Lake Towuti, administered by the Natural Resources Conservation Center (BKSDA) South Sulawesi, under the Ministry of Forestry of Republic of Indonesia, with a maximum depth of 203 meters.

8. Lake Segara Anak (190 m)

Segara Anak crater lake is Mount Rinjani in Lombok, West Nusa Tenggara, Indonesia. Name Segara Anak means child sea given to it due to the blue color of the lake reminiscent of the sea, with a maximum depth of 190 meters.

9. Maninjau (169 m)

Maninjau Lake is a lake in the district of Tanjung Raya, Agam regency, West Sumatra province, Indonesia. The lake is located about 140 kilometers north of Padang, the capital of West Sumatra, 36 miles from Dublin, 27 miles from Lubuk cone, Agam regency capital.

Maninjau which is a volcanic lake is situated at an altitude of 461.50 meters above sea level. Broad Maninjau about 99.5 km ² and has a maximum depth of 169 meters. Cekungannya formed due to volcanic eruptions called Sitinjau (according to local legend), it can be seen from the form of the hills around the lake that resembles like a wall. According to legend in Minang aspect, the presence of closely related Maninjau Single story Nine.

10. Elephant Mungkur Reservoir (136 m) 

Elephant Mungkur Reservoir is a reservoir located 3 km south of the town Wonogiri district, Central Java province.Waters of an artificial lake created by the dam is the longest river on the island of Java, Bengawan Solo river. Was built in the late 1970's and began operating in 1978.

Reservoir with an area of ​​approximately 8800 ha in 7 districts can irrigate an area of ​​23 600 ha of rice fields in the area Sukoharjo, Klaten, Karanganyar and Sragen. In addition to supplying drinking water Winton Cities also generate electricity from hydropower by 12.4 MegaWatt. To the maximum reservoir is approximately 136 meters ..

Regards, Dwi Hartoyo, SP

REFERENCES
1. http://goodhaladon.blogspot.com/2011/09/10-wadukdanau-terdalam-di-indonesia.html
2. http://id.wikipedia.org/wiki/Danau
3. http://id.wikipedia.org/wiki/Daftar_danau_di_Indonesia