Global warming aggravating water shortage
Copyright 1999 Xinhua News Agency
January 11, 1999
Global warming will further aggravate the water shortage
problem in North China as evaporation of river water will far
exceed rainfall, reported a recent issue of the China Water
Resources News. The newspaper quoted scientist Ye Duzheng as
saying that compared with the current level, the
temperature will be increasing by 1.0-1.5 in winter by the year
2030, with rainfall remaining unchanged, while the summer
temperature will witness a rise of 0.5-0.8 degrees celsius, with
rainfall edging up by 1-2 percent. However,
the rainfall that results from
global warming will not be enough to make up the loss in river
water, said the newspaper. As a result, the flow in the haihe and
luanhe rivers will drop by three to six percent from the present
level. higher temperatures and severe water shortages
will bring about a rise in winter wheat production, but a drop in
spring wheat and corn. meanwhile, the changed climate is also
threatening to expand the dry and arid area further north, forming
a large sandy desert.
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