The Land Component LM4.1 of the GFDL Earth System Model ESM4.1: Model Description and Characteristics of Land Surface Climate and Carbon Cycling in the Historical Simulation

Shevliakova, E.; Malyshev, S.; Martinez‐Cano, I.; Milly, P. C. D.; Pacala, S. W.; Ginoux, P.; Dunne, K. A.; Dunne, J. P.; Dupuis, C.; Findell, K. L.; Ghannam, K.; Horowitz, L. W.; Knutson, T. R.; Krasting, J. P.; Naik, V.; Phillipps, P.; Zadeh, N.; Yu, Yan; Zeng, F.; Zeng, Y.

doi:10.1029/2023ms003922

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The Land Component LM4.1 of the GFDL Earth System Model ESM4.1: Model Description and Characteristics of Land Surface Climate and Carbon Cycling in the Historical Simulation

2024
By Shevliakova, E. ; Malyshev, S. ; Martinez‐Cano, I. ; ...
Source: Journal of Advances in Modeling Earth Systems, 16(5)

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Journal Title:

Journal of Advances in Modeling Earth Systems
Personal Author:

Shevliakova, E. ; Malyshev, S. ; Martinez‐Cano, I. ; Milly, P. C. D. ; Pacala, S. W. ; ... More +

Shevliakova, E. ; Malyshev, S. ; Martinez‐Cano, I. ; Milly, P. C. D. ; Pacala, S. W. ; Ginoux, P. ; Dunne, K. A. ; Dunne, J. P. ; Dupuis, C. ; Findell, K. L. ; Ghannam, K. ; Horowitz, L. W. ; Knutson, T. R. ; Krasting, J. P. ; Naik, V. ; Phillipps, P. ; Zadeh, N. ; Yu, Yan ; Zeng, F. ; Zeng, Y. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory)

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory) Less -
Description:

We describe the baseline model configuration and simulation characteristics of the Geophysical Fluid Dynamics Laboratory (GFDL)'s Land Model version 4.1 (LM4.1), which builds on component and coupled model developments over 2013–2019 for the coupled carbon‐chemistry‐climate Earth System Model Version 4.1 (ESM4.1) simulation as part of the sixth phase of the Coupled Model Intercomparison Project. Analysis of ESM4.1/LM4.1 is focused on biophysical and biogeochemical processes and interactions with climate. Key features include advanced vegetation dynamics and multi‐layer canopy energy and moisture exchanges, daily fire, land use representation, and dynamic atmospheric dust coupling. We compare LM4.1 performance in the GFDL Earth System Model (ESM) configuration ESM4.1 to the previous generation component LM3.0 in the ESM2G configuration. ESM4.1/LM4.1 provides significant improvement in the treatment of ecological processes from GFDL's previous generation models. However, ESM4.1/LM4.1 likely overestimates the influence of land use and land cover change on vegetation characteristics, particularly on pasturelands, as it overestimates the competitiveness of grasses versus trees in the tropics, and as a result, underestimates present‐day biomass and carbon uptake in comparison to observations.
Source:

Journal of Advances in Modeling Earth Systems, 16(5)
DOI:

https://doi.org/10.1029/2023ms003922
ISSN:

1942-2466;1942-2466;
Format:

pdf
Publisher:

American Geophysical Union (AGU)
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Journal Article
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https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Library
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urn:sha-512:7021a888b3ab5d4558b5de3bd66986f5a8a3fa94b77d3c9cfb9c1bcc531c3b1500a8931d3efc619bb58322238982e3497fd237161e38682f7064f971d23186be
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The Land Component LM4.1 of the GFDL Earth System Model ESM4.1: Model Description and Characteristics of Land Surface Climate and Carbon Cycling in the Historical Simulation

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