edu.ucar.opensky::articles:27131 UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact 2025-12-24T18:56:36.210410 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) https://n2t.org/ark:/85065/d74m98r5 https://doi.org/10.5281/zenodo.8348434 https Related Dataset #1 Code and tables for main figures of Synthesis of the land carbon fluxes of the Amazon region between 2010 and 2020 https://doi.org/10.5281/zenodo.8348435 https Related Dataset #2 Code and tables for main figures of Synthesis of the land carbon fluxes of the Amazon region between 2010 and 2020 Synthesis of the land carbon fluxes of the Amazon region between 2010 and 2020 2024-01-22T00:00:00Z publication https://n2t.org/ark:/85065/d74m98r5 https://doi.org/10.1038/s43247-024-01205-0 Rosan, T. M. author Sitch, S. author O'Sullivan, M. author Basso, L. S. author Wilson, C. author Silva, C. author Gloor, E. author Fawcett, D. author Heinrich, V. author Souza, J. G. author Bezerra, F. G. S. author von Randow, C. author Mercado, L. M. author Gatti, L. author Wiltshire, A. author Friedlingstein, P. author Pongratz, J. author Schwingshackl, C. author Williams, M. author Smallman, L. author Knauer, J. author Arora, V. author Kennedy, Daniel author Tian, H. author Yuan, W. author Jain, A. K. author Falk, S. author Poulter, B. author Arneth, A. author Sun, Q. author Zaehle, S. author Walker, A. P. author Kato, E. author Yue, X. author Bastos, A. author Ciais, P. author Wigneron, J. author Albergel, C. author Aragão, L. E. O. C. author UCAR/NCAR - Library publisher The Amazon is the largest continuous tropical forest in the world and plays a key role in the global carbon cycle. Human-induced disturbances and climate change have impacted the Amazon carbon balance. Here we conduct a comprehensive synthesis of existing state-of-the-art estimates of the contemporary land carbon fluxes in the Amazon using a set of bottom-up methods (i.e., dynamic vegetation models and bookkeeping models) and a top-down inversion (atmospheric inversion model) over the Brazilian Amazon and the whole Biogeographical Amazon domain. Over the whole biogeographical Amazon region bottom-up methodologies suggest a small average carbon sink over 2010-2020, in contrast to a small carbon source simulated by top-down inversion (2010-2018). However, these estimates are not significantly different from one another when accounting for their large individual uncertainties, highlighting remaining knowledge gaps, and the urgent need to reduce such uncertainties. Nevertheless, both methodologies agreed that the Brazilian Amazon has been a net carbon source during recent climate extremes and that the south-eastern Amazon was a net land carbon source over the whole study period (2010-2020). Overall, our results point to increasing human-induced disturbances (deforestation and forest degradation by wildfires) and reduction in the old-growth forest sink during drought. UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact PDF Text theme Resource Type 2016-01-01T00:00:00Z publication Copyright author(s). This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. None eng geoscientificInformation