DOI: https://doi.org/10.26089/NumMet.v25r324

New land use parameterization for INM-CM terrestrial carbon cycle module

Authors

  • Alexey Yu. Chernenkov
  • Evgeny M. Volodin

Keywords:

carbon cycle
land use
climate
Earth system modelling

Abstract

This paper presents a new version of the terrestrial carbon cycle module for the INM RAS Earth system model family (INM-CM). Its main difference from the previous one is a more detailed account of anthropogenic impacts on land ecosystems. This article describes a new land use database for INM-CM that takes into account changes in the spatial distribution of vegetation from 1850 to 2100. Harvesting in cultivated areas is also accommodated in the new version of the model. Numerical simulations are performed with the original and modified versions of the terrestrial carbon cycle module, covering both the historical period (1850–2014) and the possible future scenario (2015–2100). Estimates of the change in global land carbon stocks compared to the end of the pre-industrial period are obtained. The paper also proposes an effective way to prepare the initial state of carbon pools using the terrestrial carbon cycle module in stand-alone mode.

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Published

2024-09-10

Issue

Vol. 25 (2024): Issue 3.

Section

Methods and algorithms of computational mathematics and their applications

Author Biographies

Alexey Yu. Chernenkov

Marchuk Institute of Numerical Mathematics RAS (INM RAS)
Institute of Geography RAS
Moscow Institute of Physics and Technology (National Research University)
• Junior Researcher

Evgeny M. Volodin

Marchuk Institute of Numerical Mathematics RAS (INM RAS)
Institute of Geography RAS
• Leading Researcher

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Copyright (c) 2024 А. Ю. Черненков, Е. М. Володин

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