Pellet V. auteur aut IRD Aires F. auteur aut IRD Yamazaki D. auteur aut IRD Papa Fabrice auteur aut IRD text journalArticle eng text/pdf born digital access Monitoring coherently the Amazon Water Cycle (WC) using satellite observations is crucial for climate and water resources studies. The SAtellite Water Cycle (SAWC) integration methodology is introduced to optimize the satellite datasets. In this paper, the WC budget is balanced simultaneously over 10 sub-basins by constraining the horizontal water exchanges between them. Compared to an actual assimilation analysis, SAWC benefits from the use of water storage observations from Gravity Recovery and Climate Experiment. SAWC corrects the satellite evapotranspiration datasets that tend to under-estimate the water-limited evaporation over the central Amazon and to over-estimate the energy-limited evaporation over the northern Amazon. The SAWC precipitation estimates are evaluated against gauge measurements and show good overall results with a correlation varying from 0.94 to 0.99 and root-mean-square deviation between 16 and 41 mm/month (similar or equal to 10% of precipitation estimate). specialized Amazon optimization satellite observation upstream downstream dependency water cycle BRESIL ANDES 062 126 072 57 5 e2020WR028647 [21 ] 2021 0043-1397 https://www.documentation.ird.fr/hor/fdi:010082064 10.1029/2020wr028647 0043-1397 [F B010082064] https://www.documentation.ird.fr/hor/fdi:010082064 https://www.documentation.ird.fr/intranet/publi/2021-07/010082064.pdf Accès réservé (Intranet de l'IRD) IRD - Base Horizon / Pleins textes 2021-07-02 2025-02-24 fdi:010082064 fre