Global warming could reduce Sierra Nevada runoff by 25 percent

Danny Yehia:

Forest evaporation leading to increased water loss… These scientists are starting to go crazy in-depth.

Originally posted on Summit County Citizens Voice:

Increased plant growth projected to use more water

In the lengthening nights of October, the Snake River starts to freeze.

Global warming is likely to have a big impact on mountain runoff.

bberwyn photo.

Staff Report

FRISCO — Forests and brush moving up mountainsides as the climate warms could take a big gulp from streams and rivers, potentially cutting runoff by as much as 25 percent by the end of the century. Warmer temperatures will accelerate plant growth, triggering more water absorption and evaporation, according to researchers with  UC Irvine and UC Merced.

“Scientists have recognized for a while that something like this was possible, but no one had been able to quantify whether it could be a big effect,” said UCI professor of Earth system science Michael L. Goulden. “It’s clear that this could be a big effect of climate warming and that water managers need to recognize and plan for the possibility of increased water losses from forest evaporation.”

View original 323 more words

from Danny Yehia http://dannyyehiavancouver.com/2014/09/02/global-warming-could-reduce-sierra-nevada-runoff-by-25-percent/

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