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Title: Ecosystem-scale volatile organic compound fluxes during an extreme drought in a broadleaf temperate forest of the Missouri Ozarks (central USA)

Abstract

Considerable amounts and varieties of biogenic volatile organic compounds (BVOCs) are exchanged between vegetation and the surrounding air. Moreover, these BVOCs play key ecological and atmospheric roles that must be adequately represented for accurately modeling the coupled biosphere–atmosphere–climate earth system. One key uncertainty in existing models is the response of BVOC fluxes to an important global change process: drought. We describe the diurnal and seasonal variation in isoprene, monoterpene, and methanol fluxes from a temperate forest ecosystem before, during, and after an extreme 2012 drought event in the Ozark region of the central USA. BVOC fluxes were dominated by isoprene, which attained high emission rates of up to 35.4 mg m 2 h 1 at midday. Methanol fluxes were characterized by net deposition in the morning, changing to a net emission flux through the rest of the daylight hours. Net flux of CO2 reached its seasonal maximum approximately a month earlier than isoprenoid fluxes, which highlights the differential response of photosynthesis and isoprenoid emissions to progressing drought conditions. Nevertheless, both processes were strongly suppressed under extreme drought, although isoprene fluxes remained relatively high compared to reported fluxes from other ecosystems. Finally, methanol exchange was less affected by drought throughout themore » season, confirming the complex processes driving biogenic methanol fluxes. The fraction of daytime (7–17 h) assimilated carbon released back to the atmosphere combining the three BVOCs measured was 2% of gross primary productivity (GPP) and 4.9% of net ecosystem exchange (NEE) on average for our whole measurement campaign, while exceeding 5% of GPP and 10% of NEE just before the strongest drought phase. The MEGANv2.1 model correctly predicted diurnal variations in fluxes driven mainly by light and temperature, although further research is needed to address model BVOC fluxes during drought events.« less

Authors:
ORCiD logo [1];  [2];  [3];  [4];  [4];  [5];  [6];  [7];  [8]
  1. Univ. of California, Irvine, CA (United States). Dept. of Earth System Science
  2. Univ. of Innsbruck, Innsbruck (Austria). Institute of Meteorology and Geophysics
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Washington State Univ., Pullman, WA (United States). Dept. of Civil and Environmental Engineering
  4. Univ. of Missouri, Columbia, MO (United States). Dept. of Forestry
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Environmental Sciences Division
  6. U.S. Environmental Protection Agency, Research Triangle Park, NC (United States). National Risk Management Research Laboratory
  7. National Center for Atmospheric Research, Boulder CO (United States). Atmospheric Chemistry Division
  8. Univ. of California, Irvine, CA (United States). Dept. of Earth System Science
Publication Date:
Research Org.:
Univ. of California, Irvine, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1253363
Alternate Identifier(s):
OSTI ID: 1265749; OSTI ID: 1401628
Grant/Contract Number:  
AC05-00OR22725; FG02-03ER63683; 334084; DE‐AC05‐00OR22725; DE‐FG02‐03ER63683
Resource Type:
Accepted Manuscript
Journal Name:
Global Change Biology
Additional Journal Information:
Journal Volume: 21; Journal Issue: 10; Journal ID: ISSN 1354-1013
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; biogenic emissions; drought, isoprene; isoprene volcano; MEGAN; methanol; monoterpenes; VOC; drought; isoprene; volcano; megan

Citation Formats

Seco, Roger, Karl, Thomas, Guenther, Alex, Hosman, Kevin P., Pallardy, Stephen G., Gu, Lianhong, Geron, Chris, Harley, Peter, and Kim, Saewung. Ecosystem-scale volatile organic compound fluxes during an extreme drought in a broadleaf temperate forest of the Missouri Ozarks (central USA). United States: N. p., 2015. Web. doi:10.1111/gcb.12980.
Seco, Roger, Karl, Thomas, Guenther, Alex, Hosman, Kevin P., Pallardy, Stephen G., Gu, Lianhong, Geron, Chris, Harley, Peter, & Kim, Saewung. Ecosystem-scale volatile organic compound fluxes during an extreme drought in a broadleaf temperate forest of the Missouri Ozarks (central USA). United States. https://doi.org/10.1111/gcb.12980
Seco, Roger, Karl, Thomas, Guenther, Alex, Hosman, Kevin P., Pallardy, Stephen G., Gu, Lianhong, Geron, Chris, Harley, Peter, and Kim, Saewung. Tue . "Ecosystem-scale volatile organic compound fluxes during an extreme drought in a broadleaf temperate forest of the Missouri Ozarks (central USA)". United States. https://doi.org/10.1111/gcb.12980. https://www.osti.gov/servlets/purl/1253363.
@article{osti_1253363,
title = {Ecosystem-scale volatile organic compound fluxes during an extreme drought in a broadleaf temperate forest of the Missouri Ozarks (central USA)},
author = {Seco, Roger and Karl, Thomas and Guenther, Alex and Hosman, Kevin P. and Pallardy, Stephen G. and Gu, Lianhong and Geron, Chris and Harley, Peter and Kim, Saewung},
abstractNote = {Considerable amounts and varieties of biogenic volatile organic compounds (BVOCs) are exchanged between vegetation and the surrounding air. Moreover, these BVOCs play key ecological and atmospheric roles that must be adequately represented for accurately modeling the coupled biosphere–atmosphere–climate earth system. One key uncertainty in existing models is the response of BVOC fluxes to an important global change process: drought. We describe the diurnal and seasonal variation in isoprene, monoterpene, and methanol fluxes from a temperate forest ecosystem before, during, and after an extreme 2012 drought event in the Ozark region of the central USA. BVOC fluxes were dominated by isoprene, which attained high emission rates of up to 35.4 mg m 2 h 1 at midday. Methanol fluxes were characterized by net deposition in the morning, changing to a net emission flux through the rest of the daylight hours. Net flux of CO2 reached its seasonal maximum approximately a month earlier than isoprenoid fluxes, which highlights the differential response of photosynthesis and isoprenoid emissions to progressing drought conditions. Nevertheless, both processes were strongly suppressed under extreme drought, although isoprene fluxes remained relatively high compared to reported fluxes from other ecosystems. Finally, methanol exchange was less affected by drought throughout the season, confirming the complex processes driving biogenic methanol fluxes. The fraction of daytime (7–17 h) assimilated carbon released back to the atmosphere combining the three BVOCs measured was 2% of gross primary productivity (GPP) and 4.9% of net ecosystem exchange (NEE) on average for our whole measurement campaign, while exceeding 5% of GPP and 10% of NEE just before the strongest drought phase. The MEGANv2.1 model correctly predicted diurnal variations in fluxes driven mainly by light and temperature, although further research is needed to address model BVOC fluxes during drought events.},
doi = {10.1111/gcb.12980},
journal = {Global Change Biology},
number = 10,
volume = 21,
place = {United States},
year = {Tue Jul 07 00:00:00 EDT 2015},
month = {Tue Jul 07 00:00:00 EDT 2015}
}

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journal, June 1993


Impacts of soil moisture on de novo monoterpene emissions from European beech, Holm oak, Scots pine, and Norway spruce
journal, January 2015


Influences of biomass heat and biochemical energy storages on the land surface fluxes and radiative temperature
journal, January 2007

  • Gu, Lianhong; Meyers, Tilden; Pallardy, Stephen G.
  • Journal of Geophysical Research, Vol. 112, Issue D2
  • DOI: 10.1029/2006JD007425

Plant Responses to Water Stress
journal, June 2002


An ecosystem-scale perspective of the net land methanol flux: Synthesis of micrometeorological flux measurements
text, January 2015


Direct ecosystem fluxes of volatile organic compounds from oil palms in South-East Asia
posted_content, August 2011


Global isoprene emissions estimated using MEGAN, ECMWF analyses and a detailed canopy environment model
posted_content, November 2007


Environmental controls over methanol emission from leaves
journal, January 2007

  • Harley, P.; Greenberg, J.; Niinemets, Ü.
  • Biogeosciences Discussions, Vol. 4, Issue 4
  • DOI: 10.5194/bgd-4-2593-2007

The formation, properties and impact of secondary organic aerosol: current and emerging issues
text, January 2009

  • Y., Rudich,; M., Jang,; A. S. H., Prevot,
  • Copernicus Publications
  • DOI: 10.17615/k22s-ek71

Forest canopy interactions with nucleation mode particles
journal, July 2014


Hydrocarbon fluxes above a Scots pine forest canopy: Measurements and modeling
journal, February 2007


Volatile organic compounds in the Western Mediterranean Basin: urban and rural winter measurements during the DAURE campaign
journal, November 2012


Abiotic and biotic control of methanol exchanges in a temperate mixed forest
posted_content, August 2011


Concentrations and fluxes of isoprene and oxygenated VOCs at a French Mediterranean oak forest
posted_content, January 2014


The emission factor of volatile isoprenoids: stress, acclimation, and developmental responses
journal, January 2010


Phenology Feedbacks on Climate Change
text, January 2009

  • Peñuelas, Josep; Rutishauser, This; Filella, Iollanda
  • American Association for the Advancement of Science
  • DOI: 10.7892/boris.36392

Works referencing / citing this record:

Modelling bidirectional fluxes of methanol and acetaldehyde with the FORCAsT canopy exchange model
journal, January 2016

  • Ashworth, Kirsti; Chung, Serena H.; McKinney, Karena A.
  • Atmospheric Chemistry and Physics, Vol. 16, Issue 24
  • DOI: 10.5194/acp-16-15461-2016

Contribution of volatile organic compound fluxes to the ecosystem carbon budget of a poplar short-rotation plantation
journal, March 2018

  • Portillo-Estrada, Miguel; Zenone, Terenzio; Arriga, Nicola
  • GCB Bioenergy, Vol. 10, Issue 6
  • DOI: 10.1111/gcbb.12506

Nine years of global hydrocarbon emissions based on source inversion of OMI formaldehyde observations
journal, January 2016

  • Bauwens, Maite; Stavrakou, Trissevgeni; Müller, Jean-François
  • Atmospheric Chemistry and Physics, Vol. 16, Issue 15
  • DOI: 10.5194/acp-16-10133-2016

Drought supersedes warming in determining volatile and tissue defenses of piñon pine ( Pinus edulis )
journal, June 2019

  • Trowbridge, Amy M.; Stoy, Paul C.; Adams, Henry D.
  • Environmental Research Letters, Vol. 14, Issue 6
  • DOI: 10.1088/1748-9326/ab1493

Smell the change: On the potential of gas-chromatographic ion mobility spectrometry in ecosystem monitoring
journal, April 2018

  • Vautz, Wolfgang; Hariharan, Chandrasekhara; Weigend, Maximilian
  • Ecology and Evolution, Vol. 8, Issue 9
  • DOI: 10.1002/ece3.3990

Towards a satellite formaldehyde – in situ hybrid estimate for organic aerosol abundance
journal, January 2019

  • Liao, Jin; Hanisco, Thomas F.; Wolfe, Glenn M.
  • Atmospheric Chemistry and Physics, Vol. 19, Issue 5
  • DOI: 10.5194/acp-19-2765-2019

Climate Change Effects on Secondary Compounds of Forest Trees in the Northern Hemisphere
journal, October 2018

  • Holopainen, Jarmo K.; Virjamo, Virpi; Ghimire, Rajendra P.
  • Frontiers in Plant Science, Vol. 9
  • DOI: 10.3389/fpls.2018.01445

Adverse effects of increasing drought on air quality via natural processes
journal, January 2017

  • Wang, Yuxuan; Xie, Yuanyu; Dong, Wenhao
  • Atmospheric Chemistry and Physics, Vol. 17, Issue 20
  • DOI: 10.5194/acp-17-12827-2017

Field observations of volatile organic compound (VOC) exchange in red oaks
journal, January 2017

  • Cappellin, Luca; Algarra Alarcon, Alberto; Herdlinger-Blatt, Irina
  • Atmospheric Chemistry and Physics, Vol. 17, Issue 6
  • DOI: 10.5194/acp-17-4189-2017

Modelling the effect of the 2018 summer heatwave and drought on isoprene emissions in a UK woodland
journal, January 2020

  • Otu‐Larbi, Frederick; Bolas, Conor G.; Ferracci, Valerio
  • Global Change Biology, Vol. 26, Issue 4
  • DOI: 10.1111/gcb.14963

Isoprene emission structures tropical tree biogeography and community assembly responses to climate
journal, July 2018

  • Taylor, Tyeen C.; McMahon, Sean M.; Smith, Marielle N.
  • New Phytologist, Vol. 220, Issue 2
  • DOI: 10.1111/nph.15304

Phenotypic plasticity of floral volatiles in response to increasing drought stress
journal, October 2018

  • Campbell, Diane R.; Sosenski, Paula; Raguso, Robert A.
  • Annals of Botany, Vol. 123, Issue 4
  • DOI: 10.1093/aob/mcy193

Modelling the effect of the 2018 summer heatwave and drought on isoprene emissions in a UK woodland
text, January 2020

  • Jones, Roderic; Bolas, Conor G.; Staniaszek, Zofia
  • Apollo - University of Cambridge Repository
  • DOI: 10.17863/cam.48784

Adverse Effects of Increasing Drought on Air Quality via Natural Processes
posted_content, April 2017

  • Wang, Yuxuan; Xie, Yuanyu; Dong, Wenhao
  • Atmospheric Chemistry and Physics Discussions
  • DOI: 10.5194/acp-2017-234

Climate Change Effects on Secondary Compounds of Forest Trees in the Northern Hemisphere
journal, October 2018

  • Holopainen, Jarmo K.; Virjamo, Virpi; Ghimire, Rajendra P.
  • Frontiers in Plant Science, Vol. 9
  • DOI: 10.3389/fpls.2018.01445