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Climate Change and Dropping Water Levels of Lake Turkana, Kenya – February 11th, 2013

3.6N 36.0E

February 11th, 2013 Category: Climate Change, Image of the day, Lakes

Kenya – January 28th, 2013

Lake Turkana, in Kenya, has gone through a history of climactic changes that gave rise to some species and led to the extinction of others Рa history that could now be repeated. Water levels in the lake have dropped considerably over the last thirty years, leaving just sand and gravel in areas that used to be fertile fishing grounds. And scientists believe that in just a few decades the lake will be reduced to a couple of puddles. Upriver dam projects could further hasten the retreat, a potential catastrophe for the entire region that depends on the lake for food and economic survival.

Turkwel River Entering Lake Turkana, Kenya

1.4N 32.8E

December 10th, 2012 Category: Lakes, Rivers

Uganda and Kenya – December 4th, 2012

Several lakes can be seen by the Uganda-Kenya-Tanzania (clockwise from lower left) border area. Visible at the lower left is Lake Victoria, the largest lake in Africa. To its north is the irregularly shaped Lake Kyoga. In the upper right corner is Lake Turkana, colored by algal growth and sediments, some of which enter from the Turkwel River, which can be seen flowing across Kenya and into the southern part of the lake, on the western side.

Colorful Hues of Lake Turkana, Kenya

3.5N 36.0E

November 26th, 2012 Category: Lakes

Kenya – November 25th, 2012

Lake Turkana, formerly known as Lake Rudolf, is a lake in the Kenyan Rift Valley, with its far northern end crossing into Ethiopia. It is the world’s largest permanent desert lake and the world’s largest alkaline lake. Here, sediments and algae color¬†the northern reaches of the lake appear brown with a dark green patch, fading to light green, and then again to dark green in the southern reaches.

Vegetation Index Around Lake Turkana, Kenya and Ethiopia

3.6N 36.0E

February 24th, 2012 Category: Vegetation Index

Ethiopia and Kenya - January 4th, 2012

This FAPAR image shows the vegetation index of Kenya and Ethiopia around Lake Turkana, a lake in the Kenyan Rift Valley, with its far northern end crossing into Ethiopia. It is the world’s largest permanent desert lake, and the rocks of the surrounding area are predominantly volcanic.

These features explain why the vegetation index of the area surrounding the lake is quite low (light yellow). Moving further away from the lake, however, the index becomes higher, ranging from good (green) to high (rusty red). It becomes low again in the upper right quadrant of the image, in drier parts of Ethiopia.

Lake Turkana in Kenya Rift Valley, Kenya and Ethiopia

3.6N 36.0E

January 17th, 2012 Category: Lakes

Ethiopia and Kenya - January 4th, 2012

Lake Turkana, formerly known as Lake Rudolf, is a lake in the Kenyan Rift Valley, with its far northern end crossing into Ethiopia. It is the world’s largest permanent desert lake and the world’s largest alkaline lake. By volume it is the world’s third-largest salt lake, after the Caspian Sea and Issyk-Kul (passing the shrinking South Aral Sea), and among all lakes it ranks twenty-fourth.

The rocks of the surrounding area are predominantly volcanic. Central Island is an active volcano, emitting vapors. Outcrops and rocky shores are found on the East and South shores of the lake, while dunes, spits and flats are on the West and North, at a lower elevation. Three rivers (the Omo, Turkwel and Kerio) flow into the lake, but lacking outflow its only water loss is by evaporation. Here, brown sediments can be seen entering the northern part of the lake, while the rest appears green from algal growth and minerals in the water.

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