Articles | Volume 15, issue 8
Research article
20 Apr 2018
Research article |  | 20 Apr 2018

Water-stress-induced breakdown of carbon–water relations: indicators from diurnal FLUXNET patterns

Jacob A. Nelson, Nuno Carvalhais, Mirco Migliavacca, Markus Reichstein, and Martin Jung

Model code and software

jnelson18/FluxnetTools J. A. Nelson

Short summary
Plants have typical daily carbon uptake and water loss cycles. However, these cycles may change under periods of duress, such as water limitation. Here we identify two types of patterns in response to water limitations: a tendency to lose more water in the morning than afternoon and a decoupling of the carbon and water cycles. The findings show differences in responses by trees and grasses and suggest that morning shifts may be more efficient at gaining carbon per unit water used.
Final-revised paper