The Earth system model CLIMBER-X v1.0 - Part 2: The global carbon cycle ...

The carbon cycle component of the newly developed Earth system model of intermediate complexity CLIMBER-X is presented. The model represents the cycling of carbon through the atmosphere, vegetation, soils, seawater and marine sediments. Exchanges of carbon with geological reservoirs occur through se...

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Bibliographic Details
Main Authors: Willeit, Matteo, Ilyina, Tatiana, Liu, Bo, Heinze, Christoph, Perrette, Mahé, Heinemann, Malte, Dalmonech, Daniela, Brovkin, Victor, Munhoven, Guy, Börker, Janine, Hartmann, Jens, Romero-Mujalli, Gibran, Ganopolski, Andrey
Format: Text
Language:English
Published: Katlenburg-Lindau : Copernicus 2023
Subjects:
biogeochemistry
carbon cycle
CMIP
complexity
marine sediment
permafrost
residence time
soil carbon
spatial distribution
weathering rate
550
Online Access:https://dx.doi.org/10.34657/13733
https://oa.tib.eu/renate/handle/123456789/14711
Description
Summary:The carbon cycle component of the newly developed Earth system model of intermediate complexity CLIMBER-X is presented. The model represents the cycling of carbon through the atmosphere, vegetation, soils, seawater and marine sediments. Exchanges of carbon with geological reservoirs occur through sediment burial, rock weathering and volcanic degassing. The state-of-the-art HAMOCC6 model is employed to simulate ocean biogeochemistry and marine sediment processes. The land model PALADYN simulates the processes related to vegetation and soil carbon dynamics, including permafrost and peatlands. The dust cycle in the model allows for an interactive determination of the input of the micro-nutrient iron into the ocean. A rock weathering scheme is implemented in the model, with the weathering rate depending on lithology, runoff and soil temperature. CLIMBER-X includes a simple representation of the methane cycle, with explicitly modelled natural emissions from land and the assumption of a constant residence time of ...

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