Measured and modeled evidence for a two-fold increase in water use efficiency at an old-growth forest site in the Pacific Northwest

Yueyang Jiang1, Bharat Rastogi2, John B Kim3, Steven Voelker4, Frederick C Meinzer1 and Christopher J Still1, (1)Oregon State University, Forest Ecosystems and Society, Corvallis, OR, United States, (2)Oregon State University, Corvallis, OR, United States, (3)US Forest Service, Corvallis, CA, United States, (4)Utah State University, Department of Plants, Soils and Climate, Logan, UT, United States