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Atmospheric dryness affects grasslands more than rainfall

U.S. grasslands are more than three times more sensitive to vapor pressure deficit than they are to precipitation.

A new study showing dryness of the atmosphere affects U.S. grassland productivity more than rainfall could have important implications for predicting how plants will respond to warming climate conditions.

Published online March 6 in the journal Nature Geoscience, the study conducted by scientists at Stanford University and Columbia University looked at 33 years of climate and vegetation satellite data to determine how plants regulate water and carbon dioxide under dry conditi

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