@article{fdi:010082064, title = {{C}oherent satellite monitoring of the water cycle over the {A}mazon. {P}art 1 : methodology and initial evaluation}, author = {{P}ellet, {V}. and {A}ires, {F}. and {Y}amazaki, {D}. and {P}apa, {F}abrice}, editor = {}, language = {{ENG}}, abstract = {{M}onitoring coherently the {A}mazon {W}ater {C}ycle ({WC}) using satellite observations is crucial for climate and water resources studies. {T}he {SA}tellite {W}ater {C}ycle ({SAWC}) integration methodology is introduced to optimize the satellite datasets. {I}n this paper, the {WC} budget is balanced simultaneously over 10 sub-basins by constraining the horizontal water exchanges between them. {C}ompared to an actual assimilation analysis, {SAWC} benefits from the use of water storage observations from {G}ravity {R}ecovery and {C}limate {E}xperiment. {SAWC} corrects the satellite evapotranspiration datasets that tend to under-estimate the water-limited evaporation over the central {A}mazon and to over-estimate the energy-limited evaporation over the northern {A}mazon. {T}he {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).}, keywords = {{A}mazon ; optimization ; satellite observation ; upstream ; downstream ; dependency ; water cycle ; {BRESIL} ; {ANDES} ; {AMAZONE} {BASSIN}}, booktitle = {}, journal = {{W}ater {R}esources {R}esearch}, volume = {57}, numero = {5}, pages = {e2020{WR}028647 [21 ]}, ISSN = {0043-1397}, year = {2021}, DOI = {10.1029/2020wr028647}, URL = {https://www.documentation.ird.fr/hor/fdi:010082064}, }