One of the two eastern Kelimutu Crater Lakes. Central Flores, East Nusa Tenggare, Indonesia.
Wikipedia: Kelimutu (pronounced [kəliˈmutu]) is a volcano, close to the small town of Moni in central Flores island in Indonesia. It is around 50 km (31 mi) to the east of Ende, Indonesia, the capital of Ende regency in East Nusa Tenggara province. It has three volcanic crater lakes that differ in color. The science of the Kelimutu lakes is relatively well-known. Lake colors periodically change due to adjustments in the oxidation-reduction status of the fluid of each lake, and also considering the abundance of different major elements, such as iron and manganese. Oxidation-reduction status depends on the balance of volcanic gas input and rainfall rate, and is thought to be mediated by the groundwater system in the volcano itself. The colors in the lakes change independently from each other, as each has its own unique connectivity to the underlying volcano's activity. Between January and November 2016, the colors of the craters changed six times.[5] Although it is widely believed that the changes are unpredictable, it is more accurate to say that the lack of any regular monitoring of the volcanic system precludes scientists from having the data necessary to drive widely available predictive models. The volcano contains three striking summit crater lakes of varying colors. Tiwu Ata Bupu (Lake of Old People) is usually blue and is the westernmost of the three lakes. The other two lakes, Tiwu Ko'o Fai Nuwa Muri (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched or Enchanted Lake) are separated by a shared crater wall and are typically green or red respectively. The lake colors vary on a periodic basis. Subaqueous fumaroles are the probable cause of active upwelling that occurs at the two eastern lakes have been a source of minor phreatic eruptions in historical time. The summit of the compound 1,639 m (5,377 ft) high Kelimutu volcano is elongated 2 km ( mi) in a WNW-ESE direction; the older cones of Kelido and Kelibara are located respectively 3
Size: 6000px × 4000px
Location: Moni, Flores Island, Ende regency, East Nusa Tenggara, Indonesia
Photo credit: © Bert de Ruiter / Alamy / Afripics
License: Royalty Free
Model Released: No
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