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This content will become publicly available on December 17, 2016

Title: Large drought-induced variations in oak leaf volatile organic compound emissions during PINOT NOIR 2012

Here, leaf-level isoprene and monoterpene emissions were collected and analyzed from five of the most abundant oak (Quercus) species in Central Missouri's Ozarks Region in 2012 during PINOT NOIR (Particle Investigations at a Northern Ozarks Tower – NOx, Oxidants, Isoprene Research). June measurements, prior to the onset of severe drought, showed isoprene emission rates and leaf temperature responses similar to those previously reported in the literature and used in Biogenic Volatile Organic Compound (BVOC) emission models. During the peak of the drought in August, isoprene emission rates were substantially reduced, and response to temperature was dramatically altered, especially for the species in the red oak subgenus (Erythrobalanus).
 [1] ;  [2] ;  [1] ;  [3] ;  [4] ;  [5] ;  [5] ;  [6]
  1. U.S. Environmental Protection Agency, Research Triangle Park, NC (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. National Center for Atmospheric Research, Boulder, CO (United States)
  4. Oregon Graduate Institute, Portland, OR (United States)
  5. Univ. of California, Irvine, CA (United States)
  6. Univ. of Innsbruck, Innsbruck (Austria)
Publication Date:
OSTI Identifier:
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Additional Journal Information:
Journal Volume: 146; Journal ID: ISSN 0045-6535
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
54 ENVIRONMENTAL SCIENCES isoprene; monoterpenes; drought; ozarks; biogenic emissions; MEGAN