Drought & water woes-I
Reports that more than 200 million people living in dryland regions of Sub-Saharan Africa make their living from agriculture, and most remain exposed to weather shocks, especially drought. Their lack of resilience stems from the poor performance of agriculture on which their livelihood depends.
JAMLI: While the much-touted concept of water harvesting in cities assumes technical overtones of capturing runoff from rooftops and watershed management, at least 200 villages in Indore's rural landscape have undertaken a revolutionary project to battle water crisis.
The Green Revolution accentuated the need for secure water for the high yielding varieties of food grains. However, inadequate investments and poor planning and maintenance of the irrigation infrastructure meant that canal irrigation was much less effective than planned.
The study indicates future ocean warming in the region, could increase the amount of rainfall during monsoons,...but most of that rain would fall before the monsoon front reaches land
From a chemical point of view, nothing could be simpler than water; only two atoms of hydrogen joined to one atom of oxygen. But from a human perspective, such simplicity fades away.
The rapid melting of glaciers has led to the formation of a large number of glacial lakes, which discharge a large volume of water and debris downstream, causing what they call “lake-outburst floods”. The duration of rainfall is expected to be brief and erratic while the intensity of rain is set to rise, leading to floods.