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Trends and Drivers of Terrestrial Sources and Sinks of Carbon Dioxide: An Overview of the TRENDY Project

Sitch, Stephen ; O’Sullivan, Michael; Robertson, Eddy; Friedlingstein, Pierre; Albergel, Clément; Anthoni, Peter 1; Arneth, Almut 2; Arora, Vivek K.; Bastos, Ana; Bastrikov, Vladislav; Bellouin, Nicolas; Canadell, Josep G.; Chini, Louise; Ciais, Philippe; Falk, Stefanie; Harris, Ian; Hurtt, George; Ito, Akihiko; Jain, Atul K.; ... mehr

Abstract:

The terrestrial biosphere plays a major role in the global carbon cycle, and there is a recognized need for regularly updated estimates of land-atmosphere exchange at regional and global scales. An international ensemble of Dynamic Global Vegetation Models (DGVMs), known as the “Trends and drivers of the regional scale terrestrial sources and sinks of carbon dioxide” (TRENDY) project, quantifies land biophysical exchange processes and biogeochemistry cycles in support of the annual Global Carbon Budget assessments and the REgional Carbon Cycle Assessment and Processes, phase 2 project. DGVMs use a common protocol and set of driving data sets. A set of factorial simulations allows attribution of spatio-temporal changes in land surface processes to three primary global change drivers: changes in atmospheric CO2, climate change and variability, and Land Use and Land Cover Changes (LULCC). Here, we describe the TRENDY project, benchmark DGVM performance using remote-sensing and other observational data, and present results for the contemporary period. Simulation results show a large global carbon sink in natural vegetation over 2012–2021, attributed to the CO2 fertilization effect (3.8 ± 0.8 PgC/yr) and climate (−0.58 ± 0.54 PgC/yr). ... mehr


Verlagsausgabe §
DOI: 10.5445/IR/1000172990
Veröffentlicht am 30.08.2024
Originalveröffentlichung
DOI: 10.1029/2024GB008102
Scopus
Zitationen: 3
Dimensions
Zitationen: 4
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU)
Institut für Meteorologie und Klimaforschung (IMK)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 07.2024
Sprache Englisch
Identifikator ISSN: 0886-6236, 1944-9224
KITopen-ID: 1000172990
HGF-Programm 12.11.21 (POF IV, LK 01) Natural ecosystems as sources and sinks of GHGs
Erschienen in Global Biogeochemical Cycles
Verlag John Wiley and Sons
Band 38
Heft 7
Seiten e2024GB008102
Vorab online veröffentlicht am 19.07.2024
Nachgewiesen in Dimensions
Web of Science
Scopus
Globale Ziele für nachhaltige Entwicklung Ziel 13 – Maßnahmen zum Klimaschutz
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