Biosphere-Atmosphere Greenhouse Gas Fluxes in Terrestrial Ecosystem II

Wednesday, 17 December 2014: 1:40 PM-3:40 PM
Chairs:  Sebastian Wolf, University of California Berkeley, Berkeley, CA, United States and Christopher A Williams, Clark University, Worcester, MA, United States
Primary Conveners:  Sebastian Wolf, Univ. of California, Berkeley, Berkeley, CA, United States
Co-conveners:  Ankur R Desai, University of Wisconsin Madison, Madison, WI, United States and Christopher A Williams, Clark University, Worcester, MA, United States
OSPA Liaisons:  Sebastian Wolf, University of California Berkeley, Berkeley, CA, United States

Abstracts Submitted to this Session:

1:40 PM
Net Carbon Uptake Has Increased through Warming-Induced Changes in Temperate Forest Phenology 
Trevor F Keenan1, Andrew D Richardson2, Josh M Gray3, Mark A Friedl3, Michael P Toomey4, Gil Bohrer5, David Y Hollinger6, J William Munger4, Hans Peter E Schmid7, Ian Sue Wing3 and Bai Yang8, (1)Macquarie University, Sydney, Australia, (2)Harvard University, Cambridge, MA, United States, (3)Boston University, Boston, MA, United States, (4)Harvard Univ, Cambridge, MA, United States, (5)Ohio State University Main Campus, Civil, Environmental & Geodetic Engineering, Columbus, OH, United States, (6)University of New Hampshire Main Campus, Durham, NH, United States, (7)Karlsruhe Institute of Technology, Karlsruhe, Germany, (8)Oak Ridge National Laboratory, Oak Ridge, TN, United States
1:55 PM
Response of Forest Phenology, Evapotranspiration, and Net Ecosystem Exchange to Climatic Drivers in a Southern Appalachian Forest
Andrew C Oishi1, Kimberly A Novick2, Chelcy Ford Miniat1, John T Walker3, Steven T Brantley1,4 and James M Vose5, (1)USDA Forest Service, Southern Research Station, Coweeta Hydrologic Laboratory, Otto, NC, United States, (2)Indiana University - Bloomington, Bloomington, IN, United States, (3)US EPA, Durham, NC, United States, (4)University of Minnesota, St. Paul, MN, United States, (5)USDA Forest Service, Southern Research Station, Center for Integrated Forest Science, Raleigh, NC, United States
2:10 PM
Quantifying Fast and Slow Responses of Terrestrial Carbon Exchange across a Water Availability Gradient in North American Flux Sites
Joel A Biederman1, Russell L Scott1 and Michael Goulden2, (1)Agricultural Research Service Tucson, Tucson, AZ, United States, (2)University of California Irvine, Irvine, CA, United States
2:25 PM
Light, temperature and water: How the combined effects of drought control terrestrial carbon flux
Katharyn Duffy Woods1, Christopher R Schwalm2, Deborah N Huntzinger2, Benjamin Poulter3 and Thomas Kolb2, (1)Northern Arizona Univ, Flagstaff, AZ, United States, (2)Northern Arizona University, Flagstaff, AZ, United States, (3)Montana State University, Bozeman, MT, United States
2:40 PM
Trends and Controls of inter-annual Variability in the Carbon Budget of Terrestrial Ecosystems
Alessandro Cescatti, Joint Research Center Ispra, Ispra, Italy and Barbara Marcolla, Fondazione Edmund Mach, San Michele all'Adige, Italy
2:55 PM
Trends in Global Plant Water Use Efficiency diagnosed from Fluxnet and Tree Ring observations
Margriet Groenendijk1, Peter Michael Cox2, Stefan C Dekker3, Ben Booth4, Chris Huntingford5 and Francis H Lambert1, (1)University of Exeter, Exeter, EX4, United Kingdom, (2)University of Exeter, Exeter, United Kingdom, (3)Utrecht University, Copernicus Institute, Utrecht, 3584, Netherlands, (4)Met Office Hadley Centre, Exeter, United Kingdom, (5)Centre for Ecology and Hydrology, Wallingford, United Kingdom
3:10 PM
Reduced terrestrial ecosystem carbon uptake under future climate
Claus Beier1, Klaus S Larsen2, Per Ambus3, Andreas Ibrom2, Marie F Arndal4 and Inger K Schmidt5, (1)NIVA - Norwegian Institute for Water Research, Catchments and Urban Water Research, Oslo, Norway, (2)Technical University of Denmark, Chemical Engineering, Roskilde, Denmark, (3)Technical University of Denmark, Chemical Engineering, Kgs. Lyngby, Denmark, (4)University of Copenhagen, Dept Geosci & Nat Resources, Copenhagen, Denmark, (5)Copenhagen University, Department of Geoscience and Natural Resource Management, Copenhagen, Denmark
3:25 PM
Seasonal and Inter-Annual Patterns in Ecosystem-Scale Photosynthesis and Respiration in a Temperate Forest Revealed by Isotopic Partitioning of NEE
Richard A Wehr1, J William Munger2, J Barry McManus3, David D Nelson3, Mark S Zahniser3, Steven C Wofsy2 and Scott R Saleska1, (1)University of Arizona, Tucson, AZ, United States, (2)Harvard University, Cambridge, MA, United States, (3)Aerodyne Research Inc., Billerica, MA, United States
See more of: Biogeosciences