A trough of low at mean sea level lay over southwest Bay of Bengal & adjoining Sri Lanka coast on 27th November, it was seen as a low pressure area over southwest Bay of Bengal and adjoining areas of southern Sri Lanka & equatorial Indian Ocean on 28th, as a well marked low pressure area […]
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Drought is a climatic condition, which is characterized by lack of precipitation and dryness. Drought prone areas are identified by a deficit of rainfall received in a particular area. The parameters to identify drought prone areas vary depending on the natural climatic conditions. To tackle the impacts of drought disasters several governmental policies have been […]
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The terms desertification refers to degradation of land in arid, semi-arid and sub-humid areas resulting from various factors, including climatic variations and human activities. It does not imply loss of land to desert or through sand-dune movement. Land degradation occurs everywhere, but is known as desertification when it occurs in the dryland ecosystems, i.e. land […]
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Intense solar radiation, lashing winds, and little moisture i.e. less than 10 inches (25 cm) of rainfall create some of the harshest living condition in the biosphere called hot desert. In hot desert ecosystem generally with cloudless skies, the sun quickly heats the desert by day, producing the highest air temperatures (recorded as 57.8º C […]
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The Thar Desert is one of the most fragile ecosystems of India. Its low and uncertain rainfall, high temperatures, high wind speeds, and a rolling sandy topography dominated by 10 to 40 m high sand dunes, provide an awe inspiring glimpse of desolation and emptiness in the western part of Rajasthan in India and adjoining […]
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Land degradation is one of the most potential environmental threats for any nation, more so where the livelihood of people depends largely on agriculture and related land based activities. Although land degradation is common to all climatic zones of the world, its occurrence in the arid, semi arid and dry sub humid zones – the […]
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