Temperature as a Potent Driver of Forest Drought Stress and Tree Mortality
Media Type: Video
  • A. Park Williams
    Columbia University, The Earth Institute at Columbia University, Lamont-Doherty Earth Observatory
Distribution Contact(s):
  • Southwest Fire Science Consortium
Date: January 16, 2013

Cataloging Information

  • climate change
  • drought
  • FDSI - forest drought stress index
  • SWFSC - Southwest Fire Science Consortium
  • temperature
  • tree mortality
  • tree rings
Record Maintained By:
Record Last Modified: October 17, 2019
FRAMES Record Number: 13640


Dr. Park Williams, Los Alamos National Laboratory, will discuss his recent work to derive a forest drought-stress index (FDSI) for the southwestern United States using a comprehensive tree-ring data set representing AD 1000-2007. This FDSI is linked to measures of forest productivity, mortality, bark-beetle outbreak and wildfire. If climate models are accurate, the mean forest drought-stress by the 2050s will exceed that of the most severe droughts in the past 1,000 years. Collectively, the results foreshadow twenty-first-century changes in forest structures and compositions, with transition of forests in the southwestern United States, and perhaps water-limited forests globally, towards distributions unfamiliar to modern civilization. This webinar was hosted by the Southwest Fire Science Consortium.

Recording Length: 0:56:01
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