Sentences with phrase «yearly by rainfall»

For decades, scientists have considered hydropower as a cheap but clean source of energy, renewable yearly by rainfall and snow.

Not exact matches

Yearly average rainfall in Temecula is approximately 14 inches, as compiled by the Rancho California Water District.
New research predicts that by the middle of the century annual rainfall in the Amazon could be less than the yearly amount of rain the region receives during drought years if deforestation rates revert back to pre-2004 levels.
These yearly rings change with temperature and rainfall, so they could read past weather by calibrating ring widths of living trees with instrumental data from 1959 - 2009, then comparing these with the innards of much older trees.
While Houston's yearly risk of experiencing a 500 - millimeter rainfall event was around 1 in 2,000 at the end of the last century, Emanuel found the city's annual odds will increase significantly, to one in 100 by the end of this century.
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