Sentences with phrase «dry lake basin»
«Ancient trail of Columbian mammoths uncovered in south - central Oregon: University of Oregon - led research team uncovers numerous footprints of adult, juvenile and infant elephants in a remote dry lake basin.»
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He recalled that a research conducted by a professor in a London university and published over three decades ago had predicted that unless one or some of the rivers from the Central African region are diverted to empty into the Lake Chad basin, the river would dry up.
Also in a paper presented by Nurudeen Bello on «Effects of Climate Change in Nigeria,» he stated that the adverse effect of climate change such as temperature rise, erratic ranfall, sandstorm, desertification, low agriculture yields, drying of water body lake Chad basin, gully erosion and constant flooding were daily realities in Nigeria.
During the Last Glacial Maximum when the Earth was much colder, closed - basin lakes in currently dry parts of western North America, the Middle East and South America were much larger than they are now, as evidenced by radiocarbon dating and other testing of their ancient shorelines.
The sediments suggest that the Olorgesailie was a grassland - filled basin containing a lake that fluctuated in size until roughly 500,000 years ago, when the climate began to oscillate between wet and dry states.
For example when the lake Basins are dry they become «hyper arid» and thus inhabitable and hence hominin population would have been forced to migrate to the north and south [34] but there would also have been a server lack of resources.
The country is relatively dry, and we pass few signs of habitation along our route until we cross a 4,528 metre / 14,852 ft pass and descend into the basin of Lake Titicaca.
In fact in a dry year such as 1998 glaciers yielded 28 billion gallons of runoff to Baker Lake, while other sources were below average, which amounted to 45 % of the total basin flow.
In fact in a dry year such as 1998 glaciers yielded 110 million m3 of runoff to Baker Lake, while other sources were below average, which amounted to 45 % of the total basin flow (Pelto, 2008).
The dry area experienced a population boom (there were only 9.5 million people dependent on Lake Mead when the basin reached its all - time low in 1956, and there are about 28 million people dependent on the supplies now), which leans heavily on the already tight supplies.