Forest Drought Resistance at Large Geographic Scales

P. G. Brodrick, L. D.L. Anderegg, G. P. Asner

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Forest conservation and carbon sequestration efforts are on the rise, yet the long-term stability of these efforts under a changing climate remains unknown. We generate nearly three decades of remotely sensed canopy water content throughout California, which we use to determine patterns of drought stress. Linking these patterns of drought stress with meteorological variables enables us to quantify spatially explicit biophysical drought resistance in terms of magnitude and duration. These maps reveal significant spatial heterogeneity in drought resistance and demonstrate that almost all forests have less resistance to severe, persistent droughts. By identifying the spatial patterning of biophysical drought resistance, we quantify an important component of long-term ecosystem stability that can be used for forest conservation, management, and policy decisions.

Original languageEnglish (US)
Pages (from-to)2752-2760
Number of pages9
JournalGeophysical Research Letters
Volume46
Issue number5
DOIs
StatePublished - Mar 16 2019

Keywords

  • California
  • climate change
  • forest health
  • water stress

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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