B23C:
New Mechanisms, Feedbacks, and Approaches for Improving Predictions of the Global Carbon Cycle in Earth System Models II Posters

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Chairs:  Forrest M Hoffman1, Atul K Jain2, James Tremper Randerson1 and Jefferson Keith Moore2, (1)University of California Irvine, Department of Earth System Science, Irvine, CA, United States(2)University of Illinois at Urbana, Urbana, IL, United States
Primary Conveners:  Forrest M Hoffman, University of California Irvine, Department of Earth System Science, Irvine, CA, United States; Oak Ridge National Laboratory, Climate Change Science Institute, Oak Ridge, TN, United States
Co-conveners:  Atul K Jain1, James Tremper Randerson2 and Jefferson Keith Moore1,3, (1)University of Illinois at Urbana, Urbana, IL, United States(2)Univ California Irvine, Irvine, CA, United States(3)University of California Irvine, Irvine, CA, United States
OSPA Liaisons:  Forrest M Hoffman, University of California Irvine, Department of Earth System Science, Irvine, CA, United States

Abstracts Submitted to this Session:

 
Controls on terrestrial carbon feedbacks by productivity and turnover of the vegetation and decomposing C pools in the CMIP5 ESMs
Charles D Koven1, Jeffrey Q Chambers2, Ryan G Knox1, Robinson I Negron Juarez1, William J Riley3, Vivek Arora4, Victor Brovkin5, Pierre Friedlingstein6 and Chris Jones7, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)University of California Berkeley, Berkeley, CA, United States, (3)Lawrence Berkeley Natl Lab, Berkeley, CA, United States, (4)Canadian Climate Center, Victoria, BC, Canada, (5)MPI for Meteorology, Hamburg, Germany, (6)University of Exeter, Exeter, United Kingdom, (7)Met Office Hadley Centre, Exeter, United Kingdom
 
The association between net primary productivity and rainfall in CMIP5 20th and 21st century simulations
Robinson I Negron Juarez1, William J Riley1, Charles D Koven2, Ryan G Knox2, Philip Taylor3 and Jeffrey Q Chambers4, (1)Lawrence Berkeley Natl Lab, Berkeley, CA, United States, (2)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (3)University of Colorado at Boulder, Boulder, CO, United States, (4)University of California Berkeley, Berkeley, CA, United States
 
Constraints on long-term carbon-climate feedbacks from spatially resolved CO2 growth rate fluctuations linked to temperature and precipitation
Gretchen Keppel-Aleks, University of Michigan Ann Arbor, Ann Arbor, MI, United States and Forrest M Hoffman, University of California Irvine, Department of Earth System Science, Irvine, CA, United States
 
Model evaluation using a community benchmarking system for land surface models
Mingquan Mu1, Forrest M Hoffman2,3, David M Lawrence4, William J Riley5, Gretchen Keppel-Aleks1, Erik Ben Kluzek4, Charles D Koven5 and James Tremper Randerson1, (1)University of California Irvine, Irvine, CA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States, (5)Lawrence Berkeley Natl Lab, Berkeley, CA, United States
 
Dynamics of global vegetation biomass simulated by the integrated Earth System Model
Jiafu Mao1, Xiaoying Shi1, Alan V Di Vittorio2, Peter E Thornton3, Shilong Piao4, Xuebin Yang5, John Truesdale6, Ben P Bond-Lamberty7, Louise P Chini8, Allison M Thomson7, George C Hurtt9, William Collins10 and James Edmonds7, (1)Oak Ridge National Lab, Oak Ridge, TN, United States, (2)Lawrence Berkeley National Lab, Berkeley, CA, United States, (3)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (4)Peking University, Beijing, China, (5)University of Texas at Austin, Department of Geography and Environment, Austin, TX, United States, (6)Independent contractor with Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (7)Joint Global Change Research Institute, Pacific Northwest National Laboratory, College Park, MD, United States, (8)University of New Hampshire, Durham, NH, United States, (9)University of Maryland College Park, College Park, MD, United States, (10)Lawrence Berkeley National Laboratory, Berkeley, CA, United States
 
Soil Carbon and Nitrogen Mineralization with Flexible Soil and Microbial C:N Ratios
Gangsheng Wang1, Melanie A Mayes2, Peter E Thornton1 and Forrest M Hoffman3, (1)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (2)ORNL, Oak Ridge, TN, United States, (3)University of California Irvine, Department of Earth System Science, Irvine, CA, United States
 
Explicitly Synchronizing Soil Water and Carbon Nitrogen Reactive Transport Using CLM-PFLOTRAN: Does Sequential or Synchronized Implementing of Soil Processes Matter to Soil C Stocks?
Fengming Yuan1, Guoping Tang1, Xiaofeng Xu1,2, Jitendra Kumar1, Gautam Bisht3, Glenn E Hammond4, Peter E Thornton1, Richard T Mills1,5 and Stan D Wullschleger1, (1)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States, (2)University of Texas at El Paso, El Paso, TX, United States, (3)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (4)Sandia National Laboratories, Albuquerque, NM, United States, (5)Intel Corp, Portland, OR, United States
 
Gridded Uncertainty Maps of Fossil Fuel Carbon Dioxide Emissions: A New Data Product
Robert J Andres and Tom Boden, Oak Ridge National Laboratory, Oak Ridge, TN, United States
 
Sensitivity of simulated CO2 concentration to sub-annual variations in fossil fuel CO2 emissions
Xia Zhang1, Kevin R Gurney2, Peter J Rayner3, David F Baker4, Yu-ping Liu5 and Salvi Asefi-Najafabady1, (1)Arizona State University, School of Life Sciences, Tempe, AZ, United States, (2)Arizona State University, Tempe, AZ, United States, (3)The University of Melbourne, Parkville, Australia, (4)Colorado State University, Fort Collins, CO, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States
 
Global Carbon Cycle Modeling in GISS ModelE2 GCM
Igor D Aleinov1,2, Nancy Y Kiang2, Anastasia Romanou1,2 and Joy Romanski1,2, (1)Columbia University of New York, Palisades, NY, United States, (2)NASA Goddard Institute for Space Studies, New York, NY, United States
 
What determines the magnitude of CO2 – land carbon feedback in ESMs?
Tomohiro Hajima1, Kaoru Tachiiri1, Akihiko Ito2 and Michio Kawamiya1, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)CGER-NIES, Tsukuba, Japan
 
A comprehensive theory for the coupling between terrestrial carbon and water cycles, supported by stable carbon isotope measurements from leaves
Han Wang, Macquarie University, Sydney, NSW, Australia, Will Cornwell, University of New South Wales, Sydney, Australia, Ian J. Wright, Macquarie University, Sydney, Australia and Iain Colin Prentice, Imperial College London, Ascot, United Kingdom
 
On the Uncertainties of Projected Future Changes in Land Surface Energy and Water Budgets due to Different Land Surface Schemes and Dynamic Vegetation Impacts
Miao Yu1,2 and Guiling Wang2, (1)NUIST Nanjing University of Information Science and Technology, Nanjing, China, (2)University of Connecticut, Department of Civil and Environmental Engineering, Storrs, CT, United States
 
Quantification of carbon uptake inhibited by the phosphorus limitation in tropics: Application of Dynamic Land Ecosystem Model
Kamaljit Kamaljit, Hanqin Tian and Qichun Yang, Auburn University, Auburn, AL, United States
 
Incorporating the Role of Nitrogen in the Noah-MP Land Surface Model for Climate and Environmental Studies
Xitian Cai1, Zong-Liang Yang1 and Joshua B Fisher2, (1)Univ Texas Austin, Austin, TX, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
Biogeochemical Responses and Feedbacks to the Climate Forcing in the Tropical Pacific Ocean Over the Past 60 Years
Xiujun Wang, Univ Maryland, College Park, MD, United States; Beijing Normal University, College of Global Change and Earth System Science, Beijing, China and Raghuram G Murtugudde, Univ of MD--ESSIC, College Park, MD, United States
 
Evaluating the performance of the Community Land Model (CLM4.5) for a western US coniferous forest under annual drought stress
Henrique Duarte1, John C Lin1 and James R Ehleringer2, (1)University of Utah, Department of Atmospheric Sciences, Salt Lake City, UT, United States, (2)University of Utah, Department of Biology, Salt Lake City, UT, United States
 
The Effects of Modern-Day Cropland and Pasture Management on Vegetation Fire: An Earth System Modeling Approach
Sam S. Rabin1, Sergey Malyshev2, Elena Shevliakova2 and Stephen W Pacala1, (1)Princeton University, Ecology and Evolutionary Biology, Princeton, NJ, United States, (2)GFDL-Princeton University Cooperative Institute for Climate Science, Princeton, NJ, United States
 
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