B066
Integrated Understanding of Global Carbon and Other Biogeochemical Cycles and Their Feedbacks in CMIP6

Session ID#: 74139

Session Description:
Assessments of coupled climate–carbon cycle simulations indicate that carbon and other biogeochemical cycle feedbacks are highly uncertain and could significantly alter the rate of atmospheric CO2 increase, affecting climate change over the 21st century and beyond. The terrestrial carbon cycle is directly affected by increasing atmospheric CO2 levels and by climate change, and, further, is altered indirectly by feedbacks from limiting nutrients (e.g., nitrogen and phosphorus). Changes in ocean circulation, stratification, and acidification similarly interact with the changing climate system. This session will focus on an integrated understanding of carbon, nutrient cycles, climate change, human activities, and their interactions and feedbacks to climate in terrestrial and marine ecosystems from the Sixth Phase of the Coupled Model Intercomparison Project (CMIP6) simulations. Of particular interest are model evaluation and benchmarking approaches and applications of emergent constraints.
Co-Organized:
  • GC - Global Environmental Change
  • OS - Ocean Sciences
Co-Sponsor(s):
  • WCRP: World Climate Research Programme -
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0428 Carbon cycling [BIOGEOSCIENCES]
1622 Earth system modeling [GLOBAL CHANGE]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]

Primary Convener:  Forrest M. Hoffman, Oak Ridge National Laboratory, Computational Earth Sciences Group and Climate Change Science Institute, Oak Ridge, TN, United States
Conveners:  Junjie Liu, Jet Propulsion Laboratory, Pasadena, CA, United States, Charles Koven, Lawrence Berkeley National Laboratory, Berkeley, CA, United States and Joellen L Russell, University of Arizona, Tucson, AZ, United States
Primary Liaison:  Forrest M. Hoffman, University of California Irvine, Department of Earth System Science, Irvine, CA, United States
 
The DOE E3SM Coupled Model v1.1 Biogeochemistry Configuration and Coupled Carbon-Climate Experiments (488136)
Susannah M Burrows1, Mathew E Maltrud2, Xiaojuan Yang3, Qing Zhu4, Nicole Jeffery2, Xiaoying Shi3, Daniel M Ricciuto3, Shanlin Wang2, Gautam Bisht1, Jinyun Tang5, Jon Wolfe2, Bryce E Harrop6, Balwinder Singh1, Lee Brent7, Tian Zhou1, Philip J Cameron-Smith8, Noel D Keen4, Nathan Collier9, Min Xu10,11, Elizabeth Clare Hunke12, Scott Elliott2, Adrian K Turner2, Hong-Yi Li13,14, Hailong Wang1, Jean-Christophe Golaz8, Ben P Bond-Lamberty15, Forrest M. Hoffman16, William J Riley4, Peter E Thornton17, Katherine V Calvin1 and L. Ruby Leung1, (1)Pacific Northwest National Laboratory, Richland, WA, United States, (2)Los Alamos National Laboratory, Los Alamos, NM, United States, (3)Oak Ridge National Laboratory, Environmental Sciences Division and Climate Change Science Institute, Oak Ridge, TN, United States, (4)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (5)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences, Berkeley, CA, United States, (6)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States, (7)Pacific Northwest National Laboratory, Richland, United States, (8)Lawrence Livermore National Laboratory, Livermore, CA, United States, (9)Oak Ridge National Laboratory, Computational Earth Sciences, Oak Ridge, TN, United States, (10)Oak Ridge National Laboratory, Computational Sciences and Engineering Division and Climate Change Science Institute, Oak Ridge, TN, United States, (11)Univ of Maryland-ESSIC, College Park, MD, United States, (12)Los Alamos National Laboratory, T-3 Fluid Dynamics and Solid Mechanics Group, Los Alamos, NM, United States, (13)University of Houston, Houston, TX, United States, (14)Montana State University, Department of Land Resources and Environmental Sciences, Bozeman, MT, United States, (15)Pacific Northwest National Laboratory, Joint Global Change Research Institute, College Park, MD, United States, (16)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (17)Oak Ridge National Laboratory, Climate Change Science Institute and Environmental Sciences Division, Oak Ridge, TN, United States
 
Sudden Emergence of a Shallow Aragonite Saturation Horizon in the Southern Ocean (Invited) (489553)
Gabriela Negrete Garcia, Scripps Institution of Oceanography, La Jolla, CA, United States, Nicole S Lovenduski, University of Colorado, Department of Atmospheric and Oceanic Sciences, Boulder, CO, United States, Claudine Hauri, University of Alaska Fairbanks, International Arctic Research Center, Fairbanks, AK, United States, Kristen M. Krumhardt, National Center for Atmospheric Research, Boulder, CO, United States and Siv K Lauvset, NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research, Bergen, Norway
 
Terrestrial biosphere models underestimate the mean and inter-annual variability of net CO2 fluxes in semi-arid ecosystems (Invited) (489913)
Natasha MacBean, Indiana University - Bloomington, Geography, Bloomington, IN, United States, Russell L Scott, USDA-ARS, Southwest Watershed Research Center, Tucson, AZ, United States, Joel A Biederman, University of Arizona, Tucson, AZ, United States and David JP Moore, University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States
 
Exploring Ocean Acidification: Data, Mapping, and Story Telling (497336)
Ayanna Butler-Hooker, National Oceanic and Atmospheric Administration, United States
 
Uncertainties regarding ocean biogeochemical cycling exert significant influence on the response of the ocean carbon cycle to climate change at regional scales (505332)
Alessandro Tagliabue, University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom, Olivier Aumont, IPSL, Laboratoire d’Oceanographie et de Climatologie: Experimentation et Approches Numeriques, Paris, France, Lester Kwiatkowski, Institut Pierre Simon Laplace, LSCE, Paris, France and Laurent Bopp, Ecole normale supérieure (ENS), Département de Géosciences, Paris, France
 
Climate reversibility and the response of the land carbon cycle (531644)
Tilo Ziehn, CSIRO Oceans and Atmosphere, Aspendale, VIC, Australia, Andrew Lenton, CSIRO Hobart, Hobart, TAS, Australia and Rachel M Law, CSIRO Ocean and Atmosphere, Aspendale, Australia
 
Benchmarking land surface processes in the Canadian Earth System Model (544833)
Christian Seiler, Environment and Climate Change Canada, Climate Processes Section, Victoria, BC, Canada
 
A Synthetic Ensemble for Air-Sea CO2 Flux Observations (552883)
Holly Olivarez, University of Colorado Boulder, Boulder, CO, United States, Nicole S Lovenduski, University of Colorado, Department of Atmospheric and Oceanic Sciences, Boulder, CO, United States, Peter Landschuetzer, Max Planck Institute for Meteorology, Hamburg, Germany and Galen A McKinley, Lamont -Doherty Earth Observatory of Columbia University, Palisades, NY, United States
 
Full implementation of matrix approach to biogeochemistry module of Community Land Model version 5 (CLM5) (567415)
Xingjie Lu1,2, Zhenggang Du3, Yuanyuan Huang4, David M Lawrence5, Erik Ben Kluzek5, Nathan Collier6, Keith W Oleson7, Negin Sobhani8, Edward Schuur9 and Yiqi Luo10, (1)School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou, China, (2)Northern Arizona University, Flagstaff, AZ, United States, (3)East China Normal University, Shanghai, China, (4)Laboratoire des Sciences du Climat et de l’Environnement, Paris, France, (5)National Center for Atmospheric Research, Boulder, CO, United States, (6)Oak Ridge National Laboratory, Computational Earth Sciences, Oak Ridge, TN, United States, (7)NCAR, Boulder, CO, United States, (8)NCAR | University of Iowa, Iowa City, IA, United States, (9)Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States, (10)Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, United States
 
Anthropogenic Carbon Uptake and Ocean Acidification in GFDL's CM4 and ESM4 Models (585310)
Maurizia De Palma, Princeton University, Princeton, NJ, United States; Kean University, School of Environmental and Sustainability Sciences, Union, NJ, United States and John P Krasting, NOAA / Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
 
Is Climate Change Reversible? CDRMIP simulations of the Earth system response to a massive CO2 increase and decrease (emissions followed by negative emissions). (589074)
David P Keller, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Andrew Lenton, CSIRO Hobart, Hobart, TAS, Australia, Vivian Scott, University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom, Naomi E Vaughan, Tyndall Centre for Climate Change Research, School of Environmental Sciences, University of East Anglia, Norwich, United Kingdom, Chris Jones, University of Leeds, Leeds, United Kingdom; Met Office Hadley Centre, Exeter, United Kingdom, Ben Kravitz, Pacific Northwest National Laboratory, Richland, WA, United States, Kirsten Zickfeld, Simon Fraser University, Burnaby, BC, Canada, Helene Muri, Norwegian University of Science and Technology, Trondheim, Norway, Duoying Ji, Beijing Normal University, Beijing, China and Modelling groups participating in CDRMIP
 
Assessing the global carbon cycle in CMIP5 and CMIP6 using ILAMB benchmarking (592463)
Ke Xu, University of Michigan, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, Nathan Collier, Oak Ridge National Laboratory, Computational Earth Sciences, Oak Ridge, TN, United States, Morgan E. Gorris, University of California Irvine, Irvine, CA, United States and Gretchen Keppel-Aleks, University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States
 
Future Change in Southern Ocean Biogeochemical Budgets Under Warming Scenarios (606437)
Rebecca Lynn Beadling and Joellen L Russell, University of Arizona, Tucson, AZ, United States
 
Evaluating key uncertainties in ocean carbon cycle processes within CMIP6 models using the International Ocean Model Benchmarking package (IOMB) (618585)
Weiwei Fu1, Jefferson Keith Moore2, Francois Primeau3, Oluwaseun O Ogunro4, Nathan Collier5, Forrest M. Hoffman1 and James T. Randerson1, (1)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (2)University of California Irvine, Earth System Science, Irvine, CA, United States, (3)University of California Irvine, Irvine, CA, United States, (4)New Mexico Tech, Socorro, NM, United States, (5)Oak Ridge National Laboratory, Computational Earth Sciences, Oak Ridge, TN, United States
 
Amplified uncertainty in the terrestrial carbon cycle from CMIP5 to CMIP6 (625148)
Ning Wei1, Jianyang Xia2, Jian Zhou1, Erqian Cui1 and Yiqi Luo3, (1)East China Normal University, Shanghai, China, (2)School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China, (3)Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, United States
 
Attribution of Diurnal Temperature Range Trends to Radiative and Physiological Effects of Rising Atmospheric Carbon Dioxide (630903)
Mingquan Mu1, James Tremper Randerson2, Forrest M. Hoffman3, David M Lawrence4, William J Riley5, Gretchen Keppel-Aleks6, Abigail L. S. Swann7, Charles Koven5, Nathan Collier8 and Jiafu Mao9, (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, Computational Earth Sciences Group and Climate Change Science Institute, Oak Ridge, TN, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States, (5)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (6)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (7)University of Washington, Atmospheric Sciences and Biology, Seattle, WA, United States, (8)Oak Ridge National Laboratory, Computational Earth Sciences, Oak Ridge, TN, United States, (9)Oak Ridge National Laboratory, Environmental Sciences Division and Climate Change Science Institute, Oak Ridge, TN, United States
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