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- H21P-1193: Integrating tree-ring and remote sensing indicators to assess drought response in dryland riparian woodlands
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Board 1193‚ Hall EFG (Poster Hall)NOLA CC
Author(s):Generic 'disconnected' Message
John Stella, SUNY College of Environmental Science and Forestry (First Author, Presenting Author)
Yun Zhao, SUNY College of Environmental Science and Forestry
Rachael Pentico, SUNY College of Environmental Science and Forestry
John Drake, SUNY College of Environmental Science and Forestry
Steven Voelker, Michigan Technological University
Kelly Caylor, University of California Santa Barbara
Dar Roberts, University of California, Santa Barbara
Michael Singer, Cardiff University
- Riparian woodlands in drylands are vulnerable to increasingly severe droughts
- Trees vary in their drought responses, and combining several indicators provide a more complete picture of trees’ vulnerability.
- We combined growth from tree-rings with satellite greenness to assess sensitivity to drought in three common California tree species.
- Blue oak varied its growth more in response to climate compared to valley oak and sycamore, which benefitted from their floodplain locations where groundwater was fairly consistent.
- However, the two riparian floodplain species showed strong declines in growth and greenness during severe droughts, which are becoming more common throughout California and the U.S. Southwest.
- The drought sensitivity of all three species, especially valley oak and sycamore, indicates potential vulnerability in the future for riparian woodlands that that experience more and longer hot droughts.
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