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The Lake Chad Basin Commission was established in 1964 by Cameroon, Chad, Niger and Nigeria, the four countries that contain parts of Lake Chad. [10] [14] About 20% of the basin, lying in these countries, is termed the Conventional Basin. The Lake Chad Basin Commission manages use of water and other natural resources in this area. [9]
The Bodélé Depression is a low region in the southern Sahara that is surrounded by basalt mountain ridges. [1] Winds flow through this region and lift dust. The dust from this region supplies over half of the dust to Amazon rainforests. [1] The only important rivers, the Logone and Chari, are located in the southwest and flow into Lake Chad. [2]
A satellite image of Chad. A satellite image of Chad. A topographic map of Chad. Located in north-central Africa, Chad stretches for about 1,800 kilometers from its northernmost point to its southern boundary. [6] Except in the far northwest and south, where its borders converge, Chad's average width is about 800 kilometers. [6]
The average depth of the southern lake basin is between .5 and 2 m (1 ft 8 in and 6 ft 7 in), that of the northern lake basin is between 0 and 1.8 m (5 ft 11 in), and that of the eastern archipelago is between 0 and 2 m (6 ft 7 in). [25] The climate of the Lake Chad region is strongly influenced by continental and maritime air masses. The ...
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Canada's annual average temperature over land has warmed by 1.7 °C (3.1 °F), with changes ranging from 1.1 to 2.3 °C (2.0 to 4.1 °F) in various regions, since 1948. [53] The rate of warming has been higher across the North and in the Prairies. [ 53 ]
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Lake Chad is a large shallow lake, lying at the center of a large closed drainage basin, with no outlet to the sea. The Lake Chad basin has an area of 2,381,635 square kilometres (919,554 sq mi). The northern portion of the basin is arid or semi-arid, and the southern portion has a seasonally-dry savanna climate. [additional citation(s) needed]