{"id":"https://openalex.org/W4411176010","doi":"https://doi.org/10.1029/2025gl116180","title":"Widespread and Exceptional Reduction in River Water Levels Across the Amazon Basin During the 2023 Extreme Drought Revealed by Satellite Altimetry and SWOT","display_name":"Widespread and Exceptional Reduction in River Water Levels Across the Amazon Basin During the 2023 Extreme Drought Revealed by Satellite Altimetry and SWOT","publication_year":2025,"publication_date":"2025-06-06","ids":{"openalex":"https://openalex.org/W4411176010","doi":"https://doi.org/10.1029/2025gl116180"},"language":"en","primary_location":{"id":"doi:10.1029/2025gl116180","doi":"https://doi.org/10.1029/2025gl116180","is_oa":true,"landing_page_url":"https://doi.org/10.1029/2025gl116180","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2025GL116180","source":{"id":"https://openalex.org/S36624081","display_name":"Geophysical Research Letters","issn_l":"0094-8276","issn":["0094-8276","1944-8007"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-3","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315809","host_organization_name":"American Geophysical Union","host_organization_lineage":["https://openalex.org/P4310315809"],"host_organization_lineage_names":["American Geophysical Union"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geophysical Research Letters","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2025GL116180","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031158479","display_name":"Daniel Medeiros Moreira","orcid":"https://orcid.org/0000-0002-8915-094X","observed_orcids":["https://orcid.org/0000-0002-8915-094X"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210159454","display_name":"Servi\u00e7o Geol\u00f3gico do Brasil - CPRM","ror":"https://ror.org/04ry0c837","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210159454"]},{"id":"https://openalex.org/I4210164289","display_name":"G\u00e9osciences Environnement Toulouse","ror":"https://ror.org/05k0qmv73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210164289","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["BR","FR"],"is_corresponding":true,"raw_author_name":"Daniel Moreira","raw_affiliation_strings":["Geological Survey of Brazil, Rio de Janeiro, Brazil","Geosciences Environnement Toulouse (GET) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France"],"raw_orcid":"https://orcid.org/0000-0002-8915-094X","affiliations":[{"raw_affiliation_string":"Geological Survey of Brazil, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210159454"]},{"raw_affiliation_string":"Geosciences Environnement Toulouse (GET) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210164289","https://openalex.org/I4210166444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041407349","display_name":"Fabrice Papa","orcid":"https://orcid.org/0000-0001-6305-6253","observed_orcids":["https://orcid.org/0000-0001-6305-6253"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]},{"id":"https://openalex.org/I4210112630","display_name":"Laboratoire d\u2019\u00c9tudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales","ror":"https://ror.org/02chvqy57","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210112630","https://openalex.org/I4210131494","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["BR","FR"],"is_corresponding":true,"raw_author_name":"Fabrice Papa","raw_affiliation_strings":["Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France","Universidade de Bras\u00edlia (UnB) Institute of Geosciences Campus Universit\u00e1rio Darcy Ribeiro  Bras\u00edlia Brazil"],"raw_orcid":"https://orcid.org/0000-0001-6305-6253","affiliations":[{"raw_affiliation_string":"Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210112630","https://openalex.org/I4210166444"]},{"raw_affiliation_string":"Universidade de Bras\u00edlia (UnB) Institute of Geosciences Campus Universit\u00e1rio Darcy Ribeiro  Bras\u00edlia Brazil","institution_ids":["https://openalex.org/I150729083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089210557","display_name":"Alice C\u00e9sar Fassoni\u2010Andrade","orcid":"https://orcid.org/0000-0002-3233-8781","observed_orcids":["https://orcid.org/0000-0002-3233-8781"]},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alice Fassoni\u2010Andrade","raw_affiliation_strings":["Universidade de Bras\u00edlia (UnB) Institute of Geosciences Campus Universit\u00e1rio Darcy Ribeiro  Bras\u00edlia Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidade de Bras\u00edlia (UnB) Institute of Geosciences Campus Universit\u00e1rio Darcy Ribeiro  Bras\u00edlia Brazil","institution_ids":["https://openalex.org/I150729083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048303928","display_name":"Ayan Santos Fleischmann","orcid":"https://orcid.org/0000-0002-8547-4736","observed_orcids":["https://orcid.org/0000-0002-8547-4736"]},"institutions":[{"id":"https://openalex.org/I4210147329","display_name":"Instituto de Desenvolvimento Sustent\u00e1vel Mamirau\u00e1","ror":"https://ror.org/04encyw73","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210147329"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Ayan Fleischmann","raw_affiliation_strings":["Instituto de Desenvolvimento Sustent\u00e1vel Mamirau\u00e1  Tef\u00e9 Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Desenvolvimento Sustent\u00e1vel Mamirau\u00e1  Tef\u00e9 Brazil","institution_ids":["https://openalex.org/I4210147329"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014646480","display_name":"Sly Wongchuig","orcid":"https://orcid.org/0000-0002-1116-0742","observed_orcids":["https://orcid.org/0000-0002-1116-0742"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210112630","display_name":"Laboratoire d\u2019\u00c9tudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales","ror":"https://ror.org/02chvqy57","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210112630","https://openalex.org/I4210131494","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Sly Wongchuig","raw_affiliation_strings":["Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France"],"raw_orcid":"https://orcid.org/0000-0002-1116-0742","affiliations":[{"raw_affiliation_string":"Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210112630","https://openalex.org/I4210166444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029100871","display_name":"Rodrigo Cauduro Dias de Paiva","orcid":"https://orcid.org/0000-0003-2918-6681","observed_orcids":["https://orcid.org/0000-0003-2918-6681"]},"institutions":[{"id":"https://openalex.org/I130442723","display_name":"Universidade Federal do Rio Grande do Sul","ror":"https://ror.org/041yk2d64","country_code":"BR","type":"education","lineage":["https://openalex.org/I130442723"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Rodrigo Paiva","raw_affiliation_strings":["Federal University of Rio Grande do Sul (UFRGS), Institute of Hydraulic Research, Porto Alegre, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-2918-6681","affiliations":[{"raw_affiliation_string":"Federal University of Rio Grande do Sul (UFRGS), Institute of Hydraulic Research, Porto Alegre, Brazil","institution_ids":["https://openalex.org/I130442723"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003189670","display_name":"Adrien Paris","orcid":"https://orcid.org/0000-0003-2304-5132","observed_orcids":["https://orcid.org/0000-0003-2304-5132"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210112630","display_name":"Laboratoire d\u2019\u00c9tudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales","ror":"https://ror.org/02chvqy57","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210112630","https://openalex.org/I4210131494","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Adrien Paris","raw_affiliation_strings":["Hydro Matters  Le Faget France","Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT Toulouse France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hydro Matters  Le Faget France","institution_ids":[]},{"raw_affiliation_string":"Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT Toulouse France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210112630","https://openalex.org/I4210166444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080685651","display_name":"Fr\u00e9d\u00e9ric Frappart","orcid":"https://orcid.org/0000-0002-4661-8274","observed_orcids":["https://orcid.org/0000-0002-4661-8274"]},"institutions":[{"id":"https://openalex.org/I4210088668","display_name":"Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement","ror":"https://ror.org/003vg9w96","country_code":"FR","type":"government","lineage":["https://openalex.org/I4210088668"]},{"id":"https://openalex.org/I4210091158","display_name":"\u00c9cole Nationale Sup\u00e9rieure des Sciences Agronomiques de Bordeaux-Aquitaine","ror":"https://ror.org/00har9915","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210091158"]},{"id":"https://openalex.org/I4210116558","display_name":"Interaction Sol Plante Atmosph\u00e8re","ror":"https://ror.org/02aswf736","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4210088668","https://openalex.org/I4210091158","https://openalex.org/I4210116558"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Frederic Frappart","raw_affiliation_strings":["ISPA, UMR, INRAE, Bordeaux Science Agro, Villenave d'Ornon, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISPA, UMR, INRAE, Bordeaux Science Agro, Villenave d'Ornon, France","institution_ids":["https://openalex.org/I4210088668","https://openalex.org/I4210091158","https://openalex.org/I4210116558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106071570","display_name":"Jefferson Melo","orcid":"https://orcid.org/0009-0004-5283-1735","observed_orcids":["https://orcid.org/0009-0004-5283-1735"]},"institutions":[{"id":"https://openalex.org/I4210159454","display_name":"Servi\u00e7o Geol\u00f3gico do Brasil - CPRM","ror":"https://ror.org/04ry0c837","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210159454"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Jefferson Melo","raw_affiliation_strings":["Geological Survey of Brazil, Rio de Janeiro, Brazil"],"raw_orcid":"https://orcid.org/0009-0004-5283-1735","affiliations":[{"raw_affiliation_string":"Geological Survey of Brazil, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210159454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006488104","display_name":"Jean\u2010Fran\u00e7ois Cr\u00e9taux","orcid":"https://orcid.org/0000-0002-4038-7719","observed_orcids":["https://orcid.org/0000-0002-4038-7719"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210112630","display_name":"Laboratoire d\u2019\u00c9tudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales","ror":"https://ror.org/02chvqy57","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210112630","https://openalex.org/I4210131494","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Jean\u2010Francois Cr\u00e9taux","raw_affiliation_strings":["Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210112630","https://openalex.org/I4210166444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006678367","display_name":"Andre Luis Martinelli Real dos Santos","orcid":"https://orcid.org/0000-0001-6097-0998","observed_orcids":["https://orcid.org/0000-0001-6097-0998"]},"institutions":[{"id":"https://openalex.org/I4210159454","display_name":"Servi\u00e7o Geol\u00f3gico do Brasil - CPRM","ror":"https://ror.org/04ry0c837","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210159454"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Andr\u00e9 Martinelli Santos","raw_affiliation_strings":["Geological Survey of Brazil, Manaus, Brazil"],"raw_orcid":"https://orcid.org/0000-0001-6097-0998","affiliations":[{"raw_affiliation_string":"Geological Survey of Brazil, Manaus, Brazil","institution_ids":["https://openalex.org/I4210159454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088235745","display_name":"Pierre\u2010Andr\u00e9 Garambois","orcid":"https://orcid.org/0000-0001-8350-6741","observed_orcids":["https://orcid.org/0000-0001-8350-6741"]},"institutions":[{"id":"https://openalex.org/I21491767","display_name":"Aix-Marseille Universit\u00e9","ror":"https://ror.org/035xkbk20","country_code":"FR","type":"education","lineage":["https://openalex.org/I21491767"]},{"id":"https://openalex.org/I4210088668","display_name":"Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement","ror":"https://ror.org/003vg9w96","country_code":"FR","type":"government","lineage":["https://openalex.org/I4210088668"]},{"id":"https://openalex.org/I4405263741","display_name":"Risques, \u00e9cosyst\u00e8mes, vuln\u00e9rabilit\u00e9, environnement, r\u00e9silience","ror":"https://ror.org/05n8bdc26","country_code":"FR","type":"facility","lineage":["https://openalex.org/I21491767","https://openalex.org/I4210088668","https://openalex.org/I4405263741"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Pierre\u2010Andr\u00e9 Garambois","raw_affiliation_strings":["RECOVER, Aix-Marseille University, INRAE, Marseille, France"],"raw_orcid":"https://orcid.org/0000-0001-8350-6741","affiliations":[{"raw_affiliation_string":"RECOVER, Aix-Marseille University, INRAE, Marseille, France","institution_ids":["https://openalex.org/I21491767","https://openalex.org/I4210088668","https://openalex.org/I4405263741"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030691078","display_name":"Benjamin Kitambo","orcid":"https://orcid.org/0000-0001-9899-2842","observed_orcids":["https://orcid.org/0000-0001-9899-2842"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I34942010","display_name":"University of Kinshasa","ror":"https://ror.org/05rrz2q74","country_code":"CD","type":"education","lineage":["https://openalex.org/I34942010"]},{"id":"https://openalex.org/I4210112630","display_name":"Laboratoire d\u2019\u00c9tudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales","ror":"https://ror.org/02chvqy57","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210112630","https://openalex.org/I4210131494","https://openalex.org/I4210166444","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]}],"countries":["CD","FR"],"is_corresponding":false,"raw_author_name":"Benjamin Kitambo","raw_affiliation_strings":["Congo Basin Water Resources Research Center (CRREBaC) and the Regional School of Water, University of Kinshasa (UNIKIN), Kinshasa, Democratic Republic of the Congo","Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France"],"raw_orcid":"https://orcid.org/0000-0001-9899-2842","affiliations":[{"raw_affiliation_string":"Congo Basin Water Resources Research Center (CRREBaC) and the Regional School of Water, University of Kinshasa (UNIKIN), Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I34942010"]},{"raw_affiliation_string":"Laboratoire d\u2019Etudes en G\u00e9ophysique et Oc\u00e9anographie Spatiales (LEGOS) Universit\u00e9 Toulouse IRD CNRS CNES UT  Toulouse France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210112630","https://openalex.org/I4210166444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073507468","display_name":"St\u00e9phane Calmant","orcid":"https://orcid.org/0000-0001-6439-4174","observed_orcids":["https://orcid.org/0000-0001-6439-4174"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"St\u00e9phane Calmant","raw_affiliation_strings":["Hydro Matters, Le Faget, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hydro Matters, Le Faget, France","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":14,"corresponding_author_ids":["https://openalex.org/A5031158479","https://openalex.org/A5041407349"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I150729083","https://openalex.org/I4210112630","https://openalex.org/I4210159454","https://openalex.org/I4210164289","https://openalex.org/I4210166444"],"apc_list":{"value":3190,"currency":"USD","value_usd":3190},"apc_paid":{"value":3190,"currency":"USD","value_usd":3190},"fwci":7.7049,"has_fulltext":true,"cited_by_count":34,"citation_normalized_percentile":{"value":0.98410345,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"52","issue":"11","first_page":"e2025GL116180","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10330","display_name":"Hydrology and Watershed Management Studies","score":0.5820000171661377,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10330","display_name":"Hydrology and Watershed Management Studies","score":0.5820000171661377,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11186","display_name":"Hydrology and Drought Analysis","score":0.10260000079870224,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10930","display_name":"Flood Risk Assessment and Management","score":0.08839999884366989,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/river-water-level","display_name":"river levels","score":0.8659999966621399},{"id":"https://openalex.org/keywords/amazon-basin","display_name":"Amazon basin","score":0.7929999828338623},{"id":"https://openalex.org/keywords/swot-altimetry","display_name":"SWOT altimetry","score":0.8220000267028809},{"id":"https://openalex.org/keywords/hydroclimatic-extremes","display_name":"hydroclimatic extremes","score":0.8180000185966492},{"id":"https://openalex.org/keywords/low-water-levels","display_name":"low water levels","score":0.5},{"id":"https://openalex.org/keywords/gauge-validation","display_name":"gauge validation","score":0.5519999861717224},{"id":"https://openalex.org/keywords/central-amazonia","display_name":"Central Amazon","score":0.5889999866485596},{"id":"https://openalex.org/keywords/drought-impacts","display_name":"drought impacts","score":0.30399999022483826}],"concepts":[{"id":"https://openalex.org/C2989451103","wikidata":"https://www.wikidata.org/wiki/Q1928951","display_name":"Satellite altimetry","level":3,"score":0.8133063316345215},{"id":"https://openalex.org/C119059837","wikidata":"https://www.wikidata.org/wiki/Q175096","display_name":"SWOT analysis","level":2,"score":0.6337012052536011},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5441672801971436},{"id":"https://openalex.org/C535291247","wikidata":"https://www.wikidata.org/wiki/Q177567","display_name":"Amazon rainforest","level":2,"score":0.5351821780204773},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.48212313652038574},{"id":"https://openalex.org/C2988944400","wikidata":"https://www.wikidata.org/wiki/Q244451","display_name":"Amazon basin","level":3,"score":0.48165738582611084},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.45374566316604614},{"id":"https://openalex.org/C126645576","wikidata":"https://www.wikidata.org/wiki/Q166620","display_name":"Drainage basin","level":2,"score":0.4523214101791382},{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.4472999572753906},{"id":"https://openalex.org/C1284942","wikidata":"https://www.wikidata.org/wiki/Q1929501","display_name":"Water level","level":2,"score":0.4304943084716797},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.4213797450065613},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.39095738530158997},{"id":"https://openalex.org/C524765639","wikidata":"https://www.wikidata.org/wiki/Q1501619","display_name":"Water resource management","level":1,"score":0.3722477853298187},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3395805358886719},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.3360673785209656},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3288402557373047},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.2670203149318695},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.14417129755020142},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.1304093301296234},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.08649635314941406},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.07155951857566833},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1029/2025gl116180","doi":"https://doi.org/10.1029/2025gl116180","is_oa":true,"landing_page_url":"https://doi.org/10.1029/2025gl116180","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2025GL116180","source":{"id":"https://openalex.org/S36624081","display_name":"Geophysical Research Letters","issn_l":"0094-8276","issn":["0094-8276","1944-8007"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-3","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315809","host_organization_name":"American Geophysical Union","host_organization_lineage":["https://openalex.org/P4310315809"],"host_organization_lineage_names":["American Geophysical Union"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geophysical Research Letters","raw_type":"journal-article"},{"id":"doi:10.22541/essoar.172408211.17914763/v1","doi":"https://doi.org/10.22541/essoar.172408211.17914763/v1","is_oa":false,"landing_page_url":"https://doi.org/10.22541/essoar.172408211.17914763/v1","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},{"id":"pmh:oai:HAL:hal-05120509v1","doi":null,"is_oa":true,"landing_page_url":"https://hal.inrae.fr/hal-05120509","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Geophysical Research Letters, 2025, 52 (11), pp.e2025GL116180. &#x27E8;10.1029/2025gl116180&#x27E9;","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1029/2025gl116180","doi":"https://doi.org/10.1029/2025gl116180","is_oa":true,"landing_page_url":"https://doi.org/10.1029/2025gl116180","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1029/2025GL116180","source":{"id":"https://openalex.org/S36624081","display_name":"Geophysical Research Letters","issn_l":"0094-8276","issn":["0094-8276","1944-8007"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-3","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315809","host_organization_name":"American Geophysical Union","host_organization_lineage":["https://openalex.org/P4310315809"],"host_organization_lineage_names":["American Geophysical Union"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geophysical Research Letters","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8571000099182129,"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation"},{"score":0.821399986743927,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310929","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59"},{"id":"https://openalex.org/F4320313932","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25"},{"id":"https://openalex.org/F4320321519","display_name":"Centre National d\u2019Etudes Spatiales","ror":"https://ror.org/04h1h0y33"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320323350","display_name":"Funda\u00e7\u00e3o de Apoio \u00e0 Pesquisa do Distrito Federal","ror":"https://ror.org/04djvx395"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4411176010.pdf","grobid_xml":"https://content.openalex.org/works/W4411176010.grobid-xml"},"referenced_works_count":63,"referenced_works":["https://openalex.org/W1520348967","https://openalex.org/W1561614712","https://openalex.org/W1591945903","https://openalex.org/W1598714173","https://openalex.org/W1847772414","https://openalex.org/W1972385146","https://openalex.org/W1974893878","https://openalex.org/W1987988199","https://openalex.org/W1989898472","https://openalex.org/W1993537706","https://openalex.org/W2011560911","https://openalex.org/W2026651618","https://openalex.org/W2043788785","https://openalex.org/W2047189523","https://openalex.org/W2053987409","https://openalex.org/W2084767784","https://openalex.org/W2115058414","https://openalex.org/W2115925418","https://openalex.org/W2124622654","https://openalex.org/W2140138151","https://openalex.org/W2149460854","https://openalex.org/W2153986211","https://openalex.org/W2160726523","https://openalex.org/W2220478735","https://openalex.org/W2310867653","https://openalex.org/W2492450223","https://openalex.org/W2511044748","https://openalex.org/W2519635161","https://openalex.org/W2590594566","https://openalex.org/W2626059976","https://openalex.org/W2745339607","https://openalex.org/W2773800068","https://openalex.org/W2803431422","https://openalex.org/W2891204558","https://openalex.org/W2898549738","https://openalex.org/W2905205665","https://openalex.org/W2917728856","https://openalex.org/W2996602578","https://openalex.org/W3003393482","https://openalex.org/W3089886273","https://openalex.org/W3092330276","https://openalex.org/W3176999192","https://openalex.org/W3177498683","https://openalex.org/W3184335955","https://openalex.org/W3210157260","https://openalex.org/W4200424823","https://openalex.org/W4200596157","https://openalex.org/W4225668152","https://openalex.org/W4229933927","https://openalex.org/W4280599746","https://openalex.org/W4319336534","https://openalex.org/W4324032894","https://openalex.org/W4382062531","https://openalex.org/W4386304534","https://openalex.org/W4387905806","https://openalex.org/W4388654652","https://openalex.org/W4390917999","https://openalex.org/W4391809192","https://openalex.org/W4391999527","https://openalex.org/W4392659461","https://openalex.org/W4392916565","https://openalex.org/W4394010622","https://openalex.org/W4402952119"],"related_works":["https://openalex.org/W7117570064","https://openalex.org/W4404300088","https://openalex.org/W4416726880","https://openalex.org/W2053968370","https://openalex.org/W4391377112","https://openalex.org/W4392916565","https://openalex.org/W7105648429","https://openalex.org/W3158530175","https://openalex.org/W4413225443","https://openalex.org/W2962084458"],"abstract_inverted_index":{"Abstract":[0],"In":[1],"late":[2],"2023,":[3],"the":[4,28,46,55,67,72,95,146,149],"Amazon":[5,74],"River":[6],"Basin":[7],"experienced":[8],"its":[9,16,89],"most":[10],"extreme":[11],"drought":[12],"to":[13,86,137],"date,":[14],"putting":[15],"population":[17],"and":[18,48,107,141],"ecosystem":[19],"at":[20],"risk.":[21],"Gauges":[22],"that":[23,66,118,128],"were":[24,75],"still":[25],"functioning":[26],"measured":[27],"lowest":[29],"river":[30,57],"water":[31],"levels":[32],"(RWL)":[33],"on":[34,145],"record.":[35],"Here,":[36],"satellite":[37],"observations,":[38],"including":[39],"Surface":[40],"Water":[41],"Ocean":[42],"Topography":[43],"(SWOT),":[44],"reveal":[45],"spread":[47],"timing":[49],"of":[50,61,104,148],"extremely":[51],"low":[52],"RWL":[53,70,99],"across":[54],"entire":[56],"system.":[58],"The":[59],"majority":[60],"Nadir":[62],"altimeter":[63],"observations":[64],"show":[65],"2023":[68],"minimum":[69],"in":[71,98,123],"Central":[73],"3":[76],"m":[77,106],"or":[78],"more":[79],"below":[80],"their":[81,142],"annual":[82],"average,":[83],"representing":[84],"two":[85],"three":[87],"times":[88],"mean":[90],"variability.":[91],"Additionally,":[92],"SWOT":[93,119,132],"captures":[94],"basin\u2010scale":[96],"reduction":[97],"with":[100,111,115],"a":[101,134],"spatial":[102],"resolution":[103],"200":[105],"how":[108],"it":[109],"propagates":[110],"time.":[112],"Large\u2010scale":[113],"evaluation":[114],"gauges":[116],"suggests":[117],"outperforms":[120],"classical":[121],"altimetry":[122],"estimating":[124],"RWL,":[125],"despites":[126],"differences":[127],"need":[129],"further":[130],"investigations.":[131],"offers":[133],"new":[135],"opportunity":[136],"understand":[138],"hydroclimatic":[139],"extremes":[140],"broad":[143],"impacts":[144],"environment":[147],"Amazon.":[150]},"counts_by_year":[{"year":2026,"cited_by_count":29},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2025-10-10T00:00:00"}
