Articles | Volume 15, issue 3
Geosci. Model Dev., 15, 1289–1316, 2022
https://doi.org/10.5194/gmd-15-1289-2022
Geosci. Model Dev., 15, 1289–1316, 2022
https://doi.org/10.5194/gmd-15-1289-2022

Methods for assessment of models 16 Feb 2022

Methods for assessment of models | 16 Feb 2022

Definitions and methods to estimate regional land carbon fluxes for the second phase of the REgional Carbon Cycle Assessment and Processes Project (RECCAP-2)

Philippe Ciais et al.

Data sets

WCRP Coupled Model Intercomparison Project (Phase 6) World Climate Research Programme (WCRP) https://esgf-node.llnl.gov/projects/cmip6/

Data products Integrated Carbon Observation System (ICOS) https://www.icos-cp.eu/data-products

Land-Use Harmonization2 (LUH2) L. Chini, G. Hurtt, S. Frolking, and R. Sahajpal https://luh.umd.edu/

RECCAP-2 Regional Land Data Exchange Portal RECCAP-2 https://www.bgc-jena.mpg.de/geodb/projects/Data.php

Model code and software

Ocean chapter of RECCAP-2 J. Hauck and N. Gruber https://reccap2-ocean.github.io/

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Short summary
The second phase of the Regional Carbon Cycle Assessment and Processes (RECCAP) will provide updated quantification and process understanding of CO2, CH4, and N2O emissions and sinks for ten regions of the globe. In this paper, we give definitions, review different methods, and make recommendations for estimating different components of the total land–atmosphere carbon exchange for each region in a consistent and complete approach.