GC23C:
Drought and Its Impacts on Terrestrial Ecosystems: Current Understanding and Future Prospects II Posters

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Chairs:  Melinda Smith, Colorado State University, Fort Collins, CO, United States and Alan Knapp, Colorado State University, Fort Collins, CO, United States
Primary Conveners:  Melinda Smith, Colorado State University, Fort Collins, CO, United States
Co-conveners:  Osvaldo E Sala, Arizona State University, School of Life Sciences, Tempe, AZ, United States, Richard Phillips, Indiana University, Bloomington, IN, United States and Alan Knapp, Colorado State University, Fort Collins, CO, United States
OSPA Liaisons:  Scott L Collins, University of New Mexico, Albuquerque, NM, United States

Abstracts Submitted to this Session:

 
Simulating the 2012 High Plains Drought Using Three Single Column Model Versions of the Community Earth System Model (SCM-CESM)
Isaac D Medina and Scott Denning, Colorado State University, Fort Collins, CO, United States
 
Spatio-Temporal Drought Analysis on Example of the Central European Gridded Dataset
Petr Stepanek1,2, Miroslav Trnka3,4, Pavel Zahradníček2,4, Daniela Semerádová3,4 and Petr Hlavinka3,4, (1)Organization Not Listed, Washington, DC, United States, (2)Czech Hydrometeorological Institute, Brno, Czech Republic, (3)Mendel University, Department of Agrosystems and Bioclimatology, Brno, Czech Republic, (4)Global Change Research Centre AS CR, v. v. i., Brno, Czech Republic
 
The extreme drought episode of August 2011-May 2012: A scenario for future droughts in Central Europe?
Pavel Zahradníček1,2, Miroslav Trnka1,3, Rudolf Brázdil1,4, Martin Mozny2, Petr Stepanek1,2, Petr Hlavinka1,3, Antonín Malý2 and Martin Dubrovsky5, (1)Organization Not Listed, Washington, DC, United States, (2)Czech Hydrometeorological Institute, Brno, Czech Republic, (3)Mendel University, Department of Agrosystems and Bioclimatology, Brno, Czech Republic, (4)Masaryk University, Institute of Geography, Brno, Czech Republic, (5)Institute of Atmospheric Physics ACSR, Praha 4, Czech Republic
 
An Analysis of Drought Indicators for Detecting Dry Spells over Boreal Forest
Yao Gao1,2, Tiina Markkanen2 and Tuula Aalto2, (1)University of Helsinki, Department of Atmosphere, Helsinki, Finland, (2)Finnish Meteorological Institute, Greenhouse Gas Group, Helsinki, Finland
 
Effects of an Experimental Drought on Balsam Fir Xylogenesis in the Eastern Canada Boreal Forest.
Loïc D'Orangeville1, Benoît Côté1, Daniel Houle2 and Hubert Morin3, (1)McGill University, Montreal, QC, Canada, (2)Quebec Ministry of Natural Resources MRN, Forest Research, Quebec City, QC, Canada, (3)University of Quebec at Chicoutimi UQAC, Chicoutimi, QC, Canada
 
Effects of Intensified 21st Century Drought on the Boreal Forest of Alaska
Glenn Patrick Juday1, Claire M Alix2, Ryan Jess1 and Thomas A. Grant III1, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)Université Paris 1 Panthéon-Sorbonne, Maison de l’Archéologie et de l’Ethnologie, Paris, France
 
In Forests Globally, Large Trees Suffer Most during Drought
Amy C Bennett, University of New Mexico Main Campus, Albuquerque, NM, United States, Nathan G McDowell, Los Alamos National Laboratory, Los Alamos, NM, United States, Craig D Allen, USGS Jemez Mountains Field Station, Los Alamos, NM, United States and Kristina J Anderson-Teixeira, Smithsonian Institution, Front Royal, VA, United States
 
A novel approach for diagnosing isohydric and anisohydric plant water use during drought
Kimberly A Novick, Indiana University - Bloomington, Bloomington, IN, United States, Daniel Tyler Roman, Indiana University Bloomington, School of Public and Environmental Affairs, Bloomington, IN, United States, Edward R Brzostek, Indiana University Bloomington, Department of Biology, Bloomington, IN, United States, Danilo Dragoni, Indiana University Bloomington, Department of Geography, Bloomington, IN, United States and Richard Phillips, Indiana University, Bloomington, IN, United States
 
Challenges and Solutions for Simulating Drought-Caused Tree Mortality in Earth System Models
Chonggang Xu1, Nathan G McDowell1, Rosemary Fisher2 and Sanna Sevanto1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)NCAR, Boulder, CO, United States
 
Northern Forest DroughtNet: A New Framework to Understand Impacts of Precipitation Change on the Northern Forest Ecosystem
Heidi Asbjornsen1, Lindsey Rustad2, Pamela H Templer3, Katie Jennings1, Richard Phillips4 and Melinda Smith5, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)USDA Forest Service, Northern Research Station, Durham, NH, United States, (3)Boston University, Boston, MA, United States, (4)Indiana University, Bloomington, IN, United States, (5)Colorado State University, Fort Collins, CO, United States
 
Impacts of the 2014 Drought on Vegetation Processes in the Sierra Nevada of California
Michael E Loik, Catherine E Wade and Charlotte C Reed, University of California Santa Cruz, Santa Cruz, CA, United States
 
Ecosystem and Community Responses to Rainfall Manipulations in Shrublands Depends on Dominant Vegetation Cover
Ellen H Esch1, David Lipson2, John B Kim3 and Elsa E Cleland1, (1)University of California San Diego, La Jolla, CA, United States, (2)San Diego State University, San Diego, CA, United States, (3)USDA Forest Service, Vallejo, CA, United States
 
Nitrogen and Water Addition Increased Sensitivity of Ecosystem Carbon Fluxes to Manipulated Extreme Drought in a Meadow Steppe of Northern China
Wei Sun, Yunbo Wang, Qi Jiang and Deli Wang, Northeast Normal University, Institute of Grassland Science, Changchun, China
 
Drought Resistance and Recovery in Drylands
Jan Christian Ruppert and Anja Linstädter, University of Cologne, Cologne, Germany
 
Impact of Drought and Precipitation Seasonality on Net Primary Production and Plant Community Composition Across a Grassland Ecotone in New Mexico
Scott L Collins1, Michell L Thomey1, Renee F. Brown2, Nate Gehres1, Matthew D Petrie2, Kristin Vanderbilt1 and William Pockman3, (1)University of New Mexico, Albuquerque, NM, United States, (2)University of New Mexico Main Campus, Albuquerque, NM, United States, (3)Univ New Mexico, Albuquerque, NM, United States
 
Differential Sensitivity to Drought in Six Central U.S. Grasslands
Alan Knapp1, Charles J.W. Carroll1, Elsie M Denton1, Kimberly J. La Pierre2, Kevin R. Wilcox1, Scott L Collins3 and Melinda Smith1, (1)Colorado State University, Fort Collins, CO, United States, (2)University of California Berkeley, Integrative Biology, Berkeley, CA, United States, (3)University of New Mexico, Albuquerque, NM, United States
 
Long-term Decline in Grassland Productivity Driven by Increasing Aridity
Jack Brookshire and T Weaver, Montana State University, Bozeman, MT, United States
 
Sensitivity of Three Vegetation Indices to Cimate and Soil moisture at a Tallgrass Prairie Site
Rajen Bajgain, Xiangming Xiao, Pradeep Wagle and Jeffrey B Basara, University of Oklahoma Norman Campus, Norman, OK, United States
 
Ecophysiological responses of three dominant species to experimental drought on the Colorado Plateau
Michael Duniway1, David L Hoover1 and Jayne Belnap2, (1)USGS, Baltimore, MD, United States, (2)US Geological Survey, Southwest Biological Science Center, Cayonlands Research Station, Moab, UT, United States
 
Drought sensitivities of dominant plant functional types in the Colorado Plateau
David L Hoover, Michael Duniway and Jayne Belnap, US Geological Survey, Southwest Biological Science Center, Cayonlands Research Station, Moab, UT, United States
 
CARBON POOLS IN A TEMPERATE HEATHLAND RESIST CHANGES IN A FUTURE CLIMATE
Per Ambus1, Sabine Reinsch2, Pia L Nielsen3, Anders Michelsen4, Inger K Schmidt3 and Teis N Mikkelsen5, (1)Technical University of Denmark, Chemical Engineering, Kgs. Lyngby, Denmark, (2)Centre for Ecology and Hydrology, Bangor, United Kingdom, (3)Copenhagen University, Department of Geoscience and Natural Resource Management, Copenhagen, Denmark, (4)Copenhagen University, Department of Biology, Copenhagen, Denmark, (5)Technical University of Denmark, Chemical Engineering, Roskilde, Denmark
 
Preliminary vegetation index products from Suomi NPP VIIRS illuminate the California drought
Jennifer L Dungan1, Sangram Ganguly2, Forrest S Melton3, John W Shupe3 and Ramakrishna R Nemani1, (1)NASA Ames Research Center, Moffett Field, CA, United States, (2)Bay Area Environmental Research Institute Moffett Field, Moffett Field, CA, United States, (3)California State University Monterey Bay, Seaside, CA, United States
 
Impacts of drought on regional carbon uptake dynamics in the Southwestern US, using the New Mexico Elevation Gradient of flux towers and the Temperature-Greenness model.
Daniel J Krofcheck, Christopher Lippitt and Marcy E Litvak, University of New Mexico Main Campus, Albuquerque, NM, United States
 
Drought and ice plant invasion in Bodega Bay, California
Alexandra Weill, University of California Davis, Davis, CA, United States
 
Different responses to the 2011 drought between native- and exotic-dominated experimental communities in Texas
Brian J. Wilsey, Iowa State University, Ames, IA, United States, Wayne Polley, USDA-ARS, Grassland, Soil & Water Research Laboratory, Temple, TX, United States and Pedram P. Daneshgar, Monmouth University, Biology, West Long Branch, NJ, United States
 
Changing Summer Precipitation Pattern Alters Microbial Community Response to Fall Wet-up in a Mediterranean Soil
Romain L Barnard, INRA, Dijon, France, Catherine A Osborne, Monash University, Melbourne, Australia and Mary K Firestone, University of California Berkeley, Berkeley, CA, United States
 
Effects of altered soil moisture on respiratory quotient in the Edwards Plateau
Mitchell Adam Sellers, University of Kansas, Lawrence, KS, United States, Christine Hawkes, University of Texas at Austin, Integrative Biology, Austin, TX, United States and Dan Breecker, University of Texas at Austin, Austin, TX, United States
 
Drought Impact on Water – Carbon Interaction in Soil: A Stable Isotopic Approach
Jobin Joseph, Albert Ludwig University of Freiburg, Freiberg, Germany, Markus Weiler, Albert Ludwig University of Freiburg, Chair of Hydrology, Freiberg, Germany and Arthur Gessler, WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Forest Growth and Climate, Birmensdorf, Switzerland
 
The Impact of Elevated CO2 on Plant Production Responses to Drought: A Model-Data Comparison at Four US FACE Sites.
Anthony P Walker1, Martin G De Kauwe2, Lynn Fenstermaker3, Belinda Elizabeth Medlyn2, Jack A Morgan4, Ram Oren5, Soenke Zaehle6 and Richard J Norby7, (1)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (2)Macquarie University, Sydney, Australia, (3)Desert Research Institute, Las Vegas, NV, United States, (4)United States Department of Agriculture, Agricultural Research Service, Rangeland Resources Research Unit, CO, United States, (5)Duke University, Durham, NC, United States, (6)Max Planck Institute for Biogeochemistry, Jena, Germany, (7)Oak Ridge National Lab, Oak Ridge, TN, United States
 
Relationships Between Climate variability (water availability) and Ecosystem Productivity: A Satellite Based Study
Xianli Xu, Chinese Academy of Sciences, Beijing, China and Wen Liu, Hunan Normal University, College of Resources and Environmental Sciences, Hunan, China