@article{fdi:010088904, title = {{P}atterns and drivers of evapotranspiration in {S}outh {A}merican wetlands}, author = {{F}leischmann, {A}. {S}. and {L}aipelt, {L}. and {P}apa, {F}abrice and {P}aiva, {R}cdd and de {A}ndrade, {B}. {C}. and {C}ollischonn, {W}. and {B}iudes, {M}. {S}. and {K}ayser, {R}. and {P}rigent, {C}. and {C}osio, {E}. and {M}achado, {N}. {G}. and {R}uhoff, {A}.}, editor = {}, language = {{ENG}}, abstract = {{E}vapotranspiration ({ET}) is a key process linking surface and atmospheric energy budgets, yet its drivers and patterns across wetlandscapes are poorly understood worldwide. {H}ere we assess the {ET} dynamics in 12 wetland complexes across {S}outh {A}merica, revealing major differences under temperate, tropical, and equatorial climates. {W}hile net radiation is a dominant driver of {ET} seasonality in most environments, flooding also contributes strongly to {ET} in tropical and equatorial wetlands, especially in meeting the evaporative demand. {M}oreover, significant water losses through wetlands and {ET} differences between wetlands and uplands occur in temperate, more water-limited environments and in highly flooded areas such as the {P}antanal, where slow river flood propagation drives the {ET} dynamics. {F}inally, floodplain forests produce the greatest {ET} in all environments except the {A}mazon {R}iver floodplains, where upland forests sustain high rates year round. {O}ur findings highlight the unique hydrological functioning and ecosystem services provided by wetlands on a continental scale. {W}etlands can affect regional climate by altering surface-atmosphere interactions. {T}his paper investigates drivers and patterns of evapotranspiration in {S}outh {A}merican wetlands, from the {A}mazon floodplains to the large {P}antanal system.}, keywords = {{AMERIQUE} {DU} {SUD}}, booktitle = {}, journal = {{N}ature {C}ommunications}, volume = {14}, numero = {1}, pages = {6656 [13 p.]}, year = {2023}, DOI = {10.1038/s41467-023-42467-0}, URL = {https://www.documentation.ird.fr/hor/fdi:010088904}, }