Sensitivity of productivity and respiration to water availability determines the net ecosystem exchange of carbon terrestrial ecosystems of the United States

Zhihua Liu, University of Montana, Missoula, United States, Ashley Ballantyne, University of Montana, Missoula, MT, United States, Benjamin Poulter, Spark Climate Solutions, Washington, D.C., United States, William Anderegg, University of Utah, Salt Lake City, United States, Andrew R Jacobson, NOAA, Global Monitoring Laboratory, Boulder, United States; University of Colorado at Boulder, CIRES, Boulder, United States and John B Miller, NOAA Earth System Research Lab, Boulder, CO, United States