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Title: The DOE E3SM coupled model version 1: Overview and evaluation at standard resolution

Abstract

This work documents the first version of the U.S. Department of Energy (DOE) new Energy Exascale Earth System Model (E3SMv1). We focus on the standard resolution of the fully--coupled physical model designed to address DOE mission-relevant water cycle questions. Its components include atmosphere and land (110km grid spacing), ocean and sea ice (60km in the mid-latitudes and 30km at the equator and poles), and river transport (55km) models. This base configuration will also serve as a foundation for additional configurations exploring higher horizontal resolution as well as augmented capabilities in the form of biogeochemistry and cryosphere configurations. The performance of E3SMv1 is evaluated by means of a standard set of Coupled Model Intercomparison Project Phase 6 Diagnosis, Evaluation, and Characterization of Klima (CMIP6 DECK) simulations consisting of a long pre-industrial control, historical simulations (ensembles of fully coupled and prescribed SSTs) as well as idealized CO 2 forcing simulations. The model performs well overall with biases typical of other CMIP-class models, although the simulated Atlantic Meridional Overturning Circulation is weaker than many CMIP-class models. While the E3SMv1 historical ensemble captures the bulk of the observed warming between pre-industrial (1850) and present-day, the trajectory of the warming diverges from observations in themore » second half of the 20th century with a period of delayed warming followed by an excessive warming trend. Using a two-layer energy balance model, we attribute this divergence to the model's strong aerosol-related effective radiative forcing (ERF ari+aci = -1.65 W m -2) and high equilibrium climate sensitivity (ECS = 5.3 K).« less

Authors:
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Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23); USDOE National Nuclear Security Administration (NNSA)
Contributing Org.:
E3SM Collaboration
OSTI Identifier:
1542230
Alternate Identifier(s):
OSTI ID: 1526209; OSTI ID: 1542594; OSTI ID: 1548349
Report Number(s):
SAND-2019-6401J; LLNL-JRNL-764441
Journal ID: ISSN 1942-2466; 676024
Grant/Contract Number:  
AC04-94AL85000; SC0012778; AC02-05CH11231; AC05-000R22725; AC52-07NA27344; AC05-76RL01830; AC05-00OR22725; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Advances in Modeling Earth Systems
Additional Journal Information:
Journal Name: Journal of Advances in Modeling Earth Systems; Journal ID: ISSN 1942-2466
Publisher:
American Geophysical Union (AGU)
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; Environmental sciences, Geosciences

Citation Formats

Golaz, Jean‐Christophe, Caldwell, Peter M., Van Roekel, Luke P., Petersen, Mark R., Tang, Qi, Wolfe, Jonathan D., Abeshu, Guta, Anantharaj, Valentine, Asay‐Davis, Xylar S., Bader, David C., Baldwin, Sterling A., Bisht, Gautam, Bogenschutz, Peter A., Branstetter, Marcia, Brunke, Michael A., Brus, Steven R., Burrows, Susannah M., Cameron‐Smith, Philip J., Donahue, Aaron S., Deakin, Michael, Easter, Richard C., Evans, Katherine J., Feng, Yan, Flanner, Mark, Foucar, James G., Fyke, Jeremy G., Griffin, Brian M., Hannay, Cécile, Harrop, Bryce E., Hunke, Elizabeth C., Jacob, Robert L., Jacobsen, Douglas W., Jeffery, Nicole, Jones, Philip W., Keen, Noel D., Klein, Stephen A., Larson, Vincent E., Leung, L. Ruby, Li, Hong‐Yi, Lin, Wuyin, Lipscomb, William H., Ma, Po‐Lun, Mahajan, Salil, Maltrud, Mathew E., Mametjanov, Azamat, McClean, Julie L., McCoy, Renata B., Neale, Richard B., Price, Stephen F., Qian, Yun, Rasch, Philip J., Reeves Eyre, J. E. Jack, Riley, William J., Ringler, Todd D., Roberts, Andrew F., Roesler, Erika L., Salinger, Andrew G., Shaheen, Zeshawn, Shi, Xiaoying, Singh, Balwinder, Tang, Jinyun, Taylor, Mark A., Thornton, Peter E., Turner, Adrian K., Veneziani, Milena, Wan, Hui, Wang, Hailong, Wang, Shanlin, Williams, Dean N., Wolfram, Philip J., Worley, Patrick H., Xie, Shaocheng, Yang, Yang, Yoon, Jin‐Ho, Zelinka, Mark D., Zender, Charles S., Zeng, Xubin, Zhang, Chengzhu, Zhang, Kai, Zhang, Yuying, Zheng, Xue, Zhou, Tian, and Zhu, Qing. The DOE E3SM coupled model version 1: Overview and evaluation at standard resolution. United States: N. p., 2019. Web. doi:10.1029/2018MS001603.
Golaz, Jean‐Christophe, Caldwell, Peter M., Van Roekel, Luke P., Petersen, Mark R., Tang, Qi, Wolfe, Jonathan D., Abeshu, Guta, Anantharaj, Valentine, Asay‐Davis, Xylar S., Bader, David C., Baldwin, Sterling A., Bisht, Gautam, Bogenschutz, Peter A., Branstetter, Marcia, Brunke, Michael A., Brus, Steven R., Burrows, Susannah M., Cameron‐Smith, Philip J., Donahue, Aaron S., Deakin, Michael, Easter, Richard C., Evans, Katherine J., Feng, Yan, Flanner, Mark, Foucar, James G., Fyke, Jeremy G., Griffin, Brian M., Hannay, Cécile, Harrop, Bryce E., Hunke, Elizabeth C., Jacob, Robert L., Jacobsen, Douglas W., Jeffery, Nicole, Jones, Philip W., Keen, Noel D., Klein, Stephen A., Larson, Vincent E., Leung, L. Ruby, Li, Hong‐Yi, Lin, Wuyin, Lipscomb, William H., Ma, Po‐Lun, Mahajan, Salil, Maltrud, Mathew E., Mametjanov, Azamat, McClean, Julie L., McCoy, Renata B., Neale, Richard B., Price, Stephen F., Qian, Yun, Rasch, Philip J., Reeves Eyre, J. E. Jack, Riley, William J., Ringler, Todd D., Roberts, Andrew F., Roesler, Erika L., Salinger, Andrew G., Shaheen, Zeshawn, Shi, Xiaoying, Singh, Balwinder, Tang, Jinyun, Taylor, Mark A., Thornton, Peter E., Turner, Adrian K., Veneziani, Milena, Wan, Hui, Wang, Hailong, Wang, Shanlin, Williams, Dean N., Wolfram, Philip J., Worley, Patrick H., Xie, Shaocheng, Yang, Yang, Yoon, Jin‐Ho, Zelinka, Mark D., Zender, Charles S., Zeng, Xubin, Zhang, Chengzhu, Zhang, Kai, Zhang, Yuying, Zheng, Xue, Zhou, Tian, & Zhu, Qing. The DOE E3SM coupled model version 1: Overview and evaluation at standard resolution. United States. doi:10.1029/2018MS001603.
Golaz, Jean‐Christophe, Caldwell, Peter M., Van Roekel, Luke P., Petersen, Mark R., Tang, Qi, Wolfe, Jonathan D., Abeshu, Guta, Anantharaj, Valentine, Asay‐Davis, Xylar S., Bader, David C., Baldwin, Sterling A., Bisht, Gautam, Bogenschutz, Peter A., Branstetter, Marcia, Brunke, Michael A., Brus, Steven R., Burrows, Susannah M., Cameron‐Smith, Philip J., Donahue, Aaron S., Deakin, Michael, Easter, Richard C., Evans, Katherine J., Feng, Yan, Flanner, Mark, Foucar, James G., Fyke, Jeremy G., Griffin, Brian M., Hannay, Cécile, Harrop, Bryce E., Hunke, Elizabeth C., Jacob, Robert L., Jacobsen, Douglas W., Jeffery, Nicole, Jones, Philip W., Keen, Noel D., Klein, Stephen A., Larson, Vincent E., Leung, L. Ruby, Li, Hong‐Yi, Lin, Wuyin, Lipscomb, William H., Ma, Po‐Lun, Mahajan, Salil, Maltrud, Mathew E., Mametjanov, Azamat, McClean, Julie L., McCoy, Renata B., Neale, Richard B., Price, Stephen F., Qian, Yun, Rasch, Philip J., Reeves Eyre, J. E. Jack, Riley, William J., Ringler, Todd D., Roberts, Andrew F., Roesler, Erika L., Salinger, Andrew G., Shaheen, Zeshawn, Shi, Xiaoying, Singh, Balwinder, Tang, Jinyun, Taylor, Mark A., Thornton, Peter E., Turner, Adrian K., Veneziani, Milena, Wan, Hui, Wang, Hailong, Wang, Shanlin, Williams, Dean N., Wolfram, Philip J., Worley, Patrick H., Xie, Shaocheng, Yang, Yang, Yoon, Jin‐Ho, Zelinka, Mark D., Zender, Charles S., Zeng, Xubin, Zhang, Chengzhu, Zhang, Kai, Zhang, Yuying, Zheng, Xue, Zhou, Tian, and Zhu, Qing. Fri . "The DOE E3SM coupled model version 1: Overview and evaluation at standard resolution". United States. doi:10.1029/2018MS001603. https://www.osti.gov/servlets/purl/1542230.
@article{osti_1542230,
title = {The DOE E3SM coupled model version 1: Overview and evaluation at standard resolution},
author = {Golaz, Jean‐Christophe and Caldwell, Peter M. and Van Roekel, Luke P. and Petersen, Mark R. and Tang, Qi and Wolfe, Jonathan D. and Abeshu, Guta and Anantharaj, Valentine and Asay‐Davis, Xylar S. and Bader, David C. and Baldwin, Sterling A. and Bisht, Gautam and Bogenschutz, Peter A. and Branstetter, Marcia and Brunke, Michael A. and Brus, Steven R. and Burrows, Susannah M. and Cameron‐Smith, Philip J. and Donahue, Aaron S. and Deakin, Michael and Easter, Richard C. and Evans, Katherine J. and Feng, Yan and Flanner, Mark and Foucar, James G. and Fyke, Jeremy G. and Griffin, Brian M. and Hannay, Cécile and Harrop, Bryce E. and Hunke, Elizabeth C. and Jacob, Robert L. and Jacobsen, Douglas W. and Jeffery, Nicole and Jones, Philip W. and Keen, Noel D. and Klein, Stephen A. and Larson, Vincent E. and Leung, L. Ruby and Li, Hong‐Yi and Lin, Wuyin and Lipscomb, William H. and Ma, Po‐Lun and Mahajan, Salil and Maltrud, Mathew E. and Mametjanov, Azamat and McClean, Julie L. and McCoy, Renata B. and Neale, Richard B. and Price, Stephen F. and Qian, Yun and Rasch, Philip J. and Reeves Eyre, J. E. Jack and Riley, William J. and Ringler, Todd D. and Roberts, Andrew F. and Roesler, Erika L. and Salinger, Andrew G. and Shaheen, Zeshawn and Shi, Xiaoying and Singh, Balwinder and Tang, Jinyun and Taylor, Mark A. and Thornton, Peter E. and Turner, Adrian K. and Veneziani, Milena and Wan, Hui and Wang, Hailong and Wang, Shanlin and Williams, Dean N. and Wolfram, Philip J. and Worley, Patrick H. and Xie, Shaocheng and Yang, Yang and Yoon, Jin‐Ho and Zelinka, Mark D. and Zender, Charles S. and Zeng, Xubin and Zhang, Chengzhu and Zhang, Kai and Zhang, Yuying and Zheng, Xue and Zhou, Tian and Zhu, Qing},
abstractNote = {This work documents the first version of the U.S. Department of Energy (DOE) new Energy Exascale Earth System Model (E3SMv1). We focus on the standard resolution of the fully--coupled physical model designed to address DOE mission-relevant water cycle questions. Its components include atmosphere and land (110km grid spacing), ocean and sea ice (60km in the mid-latitudes and 30km at the equator and poles), and river transport (55km) models. This base configuration will also serve as a foundation for additional configurations exploring higher horizontal resolution as well as augmented capabilities in the form of biogeochemistry and cryosphere configurations. The performance of E3SMv1 is evaluated by means of a standard set of Coupled Model Intercomparison Project Phase 6 Diagnosis, Evaluation, and Characterization of Klima (CMIP6 DECK) simulations consisting of a long pre-industrial control, historical simulations (ensembles of fully coupled and prescribed SSTs) as well as idealized CO2 forcing simulations. The model performs well overall with biases typical of other CMIP-class models, although the simulated Atlantic Meridional Overturning Circulation is weaker than many CMIP-class models. While the E3SMv1 historical ensemble captures the bulk of the observed warming between pre-industrial (1850) and present-day, the trajectory of the warming diverges from observations in the second half of the 20th century with a period of delayed warming followed by an excessive warming trend. Using a two-layer energy balance model, we attribute this divergence to the model's strong aerosol-related effective radiative forcing (ERFari+aci = -1.65 W m-2) and high equilibrium climate sensitivity (ECS = 5.3 K).},
doi = {10.1029/2018MS001603},
journal = {Journal of Advances in Modeling Earth Systems},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {3}
}

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