Saturday, October 29, 2011

Busted Myth: Himalayan Glacial melt will lead to a ‘catastrophic’ water crisis

 World Wildlife Fund (WWF) makes a remarkable statement:
“The glaciers supply 8.6 million cubic metres (303.6 million cubic feet) every year to Asian rivers, including the Yangtze and Yellow rivers in China, the Ganga in India, the Indus in Pakistan, the Brahmaputra in Bangladesh and Burma's Irrawaddy.”

Remarkable because to-date glaciologists have absolutely no idea how much water is contributed by mountain runoffs to downstream river users. No one really precisely knows how much is snow melt and how much   ice (glacier) melt or how much monsoons contribute as runoffs to rivers like the Ganges.

These are not the only problems with the WWF hysteria. The major arguments against it are discussed below:

1. The operating assumption of global warmist argument is that glaciers are melting because global temperatures are rising which in turn is attributed to increased CO2 being pumped into the atmosphere as an offshoot of  the industrial revolution. So higher the temperature, the more vulnerable glaciers are to melt and once they have completely melted, there would be no more water for our great rivers  and their tributaries like the Ganga, Brahmaputra, Rabi; Chenab; Jhelum; Beas; Sutlej etc.

 But history tells us that the cradle of Indian civilization 4,000 years ago was the Indus Valley watersheds of these same very rivers. Now if the retreat of the glaciers is only a recent phenomenon as global warming activists make them out to be, then where did the water for these rivers come from 4,000 years ago? The only way for that to happen is for the glaciers to have been in constant retreat even before the start of human history!

So what have we now? It’s clear that though glaciers are currently in retreat, industrial revolution and increase in C02 in the atmosphere logically do not seem to have anything to do with it.

If so, the bulk of the water has to come from somewhere and the only source that can provide such large amounts is the monsoons! The other complementary source to monsoons could be of course, seasonal snow melt.

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