`Re­treat­ing Gan­gotri will not im­pact the Ganga'

Down to Earth - - THE FORTNIGHT -

THE GOV­ERN­MENT has said that the Gan­gotri glacier, which has re­treated by 3 km since 1817, would have no ef­fect on the Ganga's flow. In a writ­ten re­ply to the Lok Sabha, Union Min­is­ter for En­vi­ron­ment, For­est and Cli­mate Change Anil Mad­hav Dave said, Ac­cord­ing to the Na­tional In­sti­tute of Hy­drol­ogy, the Ganga is not to­tally de­pen­dent on glaciers for its wa­ter even in the head­wa­ters re­gion. The per­cent­age of snow and glacier-fed con­tri­bu­tion pro­gres­sively re­duces as one moves down­stream. Rain­wa­ter and sub­sur­face flows con­trib­ute more than 70 per cent of the Ganga's flow at Harid­war. Dave also cited a study by the Union en­vi­ron­ment min­istry and the In­dian Space Re­search Or­gan­i­sa­tion which shows that be­tween 2004 and 2007 most Hi­malayan glaciers had nei­ther re­treated nor ad­vanced.

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