The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing
Abstract This paper documents the biogeochemistry configuration of the Energy Exascale Earth System Model (E3SM), E3SMv1.1‐BGC. The model simulates historical carbon cycle dynamics, including carbon losses predicted in response to land use and land cover change, and the responses of the carbon cycle...
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| Format: | Article |
| Language: | English |
| Published: |
American Geophysical Union (AGU)
2020-09-01
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| Series: | Journal of Advances in Modeling Earth Systems |
| Subjects: | |
| Online Access: | https://doi.org/10.1029/2019MS001766 |
| _version_ | 1818936394347708416 |
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| author | S. M. Burrows M. Maltrud X. Yang Q. Zhu N. Jeffery X. Shi D. Ricciuto S. Wang G. Bisht J. Tang J. Wolfe B. E. Harrop B. Singh L. Brent S. Baldwin T. Zhou P. Cameron‐Smith N. Keen N. Collier M. Xu E. C. Hunke S. M. Elliott A. K. Turner H. Li H. Wang J.‐C. Golaz B. Bond‐Lamberty F. M. Hoffman W. J. Riley P. E. Thornton K. Calvin L. R. Leung |
| author_facet | S. M. Burrows M. Maltrud X. Yang Q. Zhu N. Jeffery X. Shi D. Ricciuto S. Wang G. Bisht J. Tang J. Wolfe B. E. Harrop B. Singh L. Brent S. Baldwin T. Zhou P. Cameron‐Smith N. Keen N. Collier M. Xu E. C. Hunke S. M. Elliott A. K. Turner H. Li H. Wang J.‐C. Golaz B. Bond‐Lamberty F. M. Hoffman W. J. Riley P. E. Thornton K. Calvin L. R. Leung |
| author_sort | S. M. Burrows |
| collection | DOAJ |
| description | Abstract This paper documents the biogeochemistry configuration of the Energy Exascale Earth System Model (E3SM), E3SMv1.1‐BGC. The model simulates historical carbon cycle dynamics, including carbon losses predicted in response to land use and land cover change, and the responses of the carbon cycle to changes in climate. In addition, we introduce several innovations in the treatment of soil nutrient limitation mechanisms, including explicit dependence on phosphorus availability. The suite of simulations described here includes E3SM contributions to the Coupled Climate‐Carbon Cycle Model Intercomparison Project and other projects, as well as simulations to explore the impacts of structural uncertainty in representations of nitrogen and phosphorus limitation. We describe the model spin‐up and evaluation procedures, provide an overview of results from the simulation campaign, and highlight key features of the simulations. Cumulative warming over the twentieth century is similar to observations, with a midcentury cold bias offset by stronger warming in recent decades. Ocean biomass production and carbon uptake are underpredicted, likely due to biases in ocean transport leading to widespread anoxia and undersupply of nutrients to surface waters. The inclusion of nutrient limitations in the land biogeochemistry results in weaker carbon fertilization and carbon‐climate feedbacks than exhibited by other Earth System Models that exclude those limitations. Finally, we compare with an alternative representation of terrestrial biogeochemistry, which differs in structure and in initialization of soil phosphorus. While both configurations agree well with observational benchmarks, they differ significantly in their distribution of carbon among different pools and in the strength of nutrient limitations. |
| first_indexed | 2024-12-20T05:35:22Z |
| format | Article |
| id | doaj.art-10645884a24c4b9c9514af12fa7ba546 |
| institution | Directory Open Access Journal |
| issn | 1942-2466 |
| language | English |
| last_indexed | 2024-12-20T05:35:22Z |
| publishDate | 2020-09-01 |
| publisher | American Geophysical Union (AGU) |
| record_format | Article |
| series | Journal of Advances in Modeling Earth Systems |
| spelling | doaj.art-10645884a24c4b9c9514af12fa7ba5462022-12-21T19:51:38ZengAmerican Geophysical Union (AGU)Journal of Advances in Modeling Earth Systems1942-24662020-09-01129n/an/a10.1029/2019MS001766The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in ForcingS. M. Burrows0M. Maltrud1X. Yang2Q. Zhu3N. Jeffery4X. Shi5D. Ricciuto6S. Wang7G. Bisht8J. Tang9J. Wolfe10B. E. Harrop11B. Singh12L. Brent13S. Baldwin14T. Zhou15P. Cameron‐Smith16N. Keen17N. Collier18M. Xu19E. C. Hunke20S. M. Elliott21A. K. Turner22H. Li23H. Wang24J.‐C. Golaz25B. Bond‐Lamberty26F. M. Hoffman27W. J. Riley28P. E. Thornton29K. Calvin30L. R. Leung31Pacific Northwest National Laboratory Richland WA USALos Alamos National Laboratory Los Alamos NM USAOak Ridge National Laboratory Oak Ridge TN USALawrence Berkeley National Laboratory Berkeley CA USALos Alamos National Laboratory Los Alamos NM USAOak Ridge National Laboratory Oak Ridge TN USAOak Ridge National Laboratory Oak Ridge TN USALos Alamos National Laboratory Los Alamos NM USAPacific Northwest National Laboratory Richland WA USALawrence Berkeley National Laboratory Berkeley CA USALos Alamos National Laboratory Los Alamos NM USAPacific Northwest National Laboratory Richland WA USAPacific Northwest National Laboratory Richland WA USAPacific Northwest National Laboratory Richland WA USALos Alamos National Laboratory Los Alamos NM USAPacific Northwest National Laboratory Richland WA USALawrence Livermore National Laboratory Livermore CA USALawrence Berkeley National Laboratory Berkeley CA USAOak Ridge National Laboratory Oak Ridge TN USAOak Ridge National Laboratory Oak Ridge TN USALos Alamos National Laboratory Los Alamos NM USALos Alamos National Laboratory Los Alamos NM USALos Alamos National Laboratory Los Alamos NM USADepartment of Civil and Environmental Engineering, University of Houston Houston TX USAPacific Northwest National Laboratory Richland WA USALawrence Livermore National Laboratory Livermore CA USAPacific Northwest National Laboratory Richland WA USAOak Ridge National Laboratory Oak Ridge TN USALawrence Berkeley National Laboratory Berkeley CA USAOak Ridge National Laboratory Oak Ridge TN USAPacific Northwest National Laboratory Richland WA USAPacific Northwest National Laboratory Richland WA USAAbstract This paper documents the biogeochemistry configuration of the Energy Exascale Earth System Model (E3SM), E3SMv1.1‐BGC. The model simulates historical carbon cycle dynamics, including carbon losses predicted in response to land use and land cover change, and the responses of the carbon cycle to changes in climate. In addition, we introduce several innovations in the treatment of soil nutrient limitation mechanisms, including explicit dependence on phosphorus availability. The suite of simulations described here includes E3SM contributions to the Coupled Climate‐Carbon Cycle Model Intercomparison Project and other projects, as well as simulations to explore the impacts of structural uncertainty in representations of nitrogen and phosphorus limitation. We describe the model spin‐up and evaluation procedures, provide an overview of results from the simulation campaign, and highlight key features of the simulations. Cumulative warming over the twentieth century is similar to observations, with a midcentury cold bias offset by stronger warming in recent decades. Ocean biomass production and carbon uptake are underpredicted, likely due to biases in ocean transport leading to widespread anoxia and undersupply of nutrients to surface waters. The inclusion of nutrient limitations in the land biogeochemistry results in weaker carbon fertilization and carbon‐climate feedbacks than exhibited by other Earth System Models that exclude those limitations. Finally, we compare with an alternative representation of terrestrial biogeochemistry, which differs in structure and in initialization of soil phosphorus. While both configurations agree well with observational benchmarks, they differ significantly in their distribution of carbon among different pools and in the strength of nutrient limitations.https://doi.org/10.1029/2019MS001766carbon‐climate feedbacksE3SMnutrient limitationcarbon cyclephosphorus limitationcoupled carbon‐climate cycle model |
| spellingShingle | S. M. Burrows M. Maltrud X. Yang Q. Zhu N. Jeffery X. Shi D. Ricciuto S. Wang G. Bisht J. Tang J. Wolfe B. E. Harrop B. Singh L. Brent S. Baldwin T. Zhou P. Cameron‐Smith N. Keen N. Collier M. Xu E. C. Hunke S. M. Elliott A. K. Turner H. Li H. Wang J.‐C. Golaz B. Bond‐Lamberty F. M. Hoffman W. J. Riley P. E. Thornton K. Calvin L. R. Leung The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing Journal of Advances in Modeling Earth Systems carbon‐climate feedbacks E3SM nutrient limitation carbon cycle phosphorus limitation coupled carbon‐climate cycle model |
| title | The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing |
| title_full | The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing |
| title_fullStr | The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing |
| title_full_unstemmed | The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing |
| title_short | The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem‐Climate Responses to Historical Changes in Forcing |
| title_sort | doe e3sm v1 1 biogeochemistry configuration description and simulated ecosystem climate responses to historical changes in forcing |
| topic | carbon‐climate feedbacks E3SM nutrient limitation carbon cycle phosphorus limitation coupled carbon‐climate cycle model |
| url | https://doi.org/10.1029/2019MS001766 |
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