@article{fdi:010069517, title = {{H}ydroclimatology of the {U}pper {M}adeira {R}iver basin : spatio-temporal variability and trends}, author = {{M}olina-{C}arpio, {J}. and {E}spinoza, {J}. {C}. and {V}auchel, {P}hilippe and {R}onchail, {J}. and {C}aloir, {B}. {G}. and {G}uyot, {J}ean-{L}oup and {N}oriega, {L}.}, editor = {}, language = {{ENG}}, abstract = {{R}ising in the {A}ndes, the {M}adeira {R}iver drains the southwestern part of the {A}mazon basin, which is characterized by high geographical, biological and climatic diversity. {T}his study uses daily records to assess the spatio-temporal runoff variability in the {M}adeira sub-basins. {R}esults show that inter-annual variability of both discharge and rainfall differs between {A}ndean and lowland tributaries. {H}igh-flow discharge variability in the {A}ndean tributaries and the {G}uapore {R}iver is mostly related to sea surface temperature ({SST}) in the equatorial {P}acific in austral summer, while tropical {N}orth {A}tlantic ({TNA}) {SST} modulates rainfall and discharge variability in the lowlands. {T}here also is a downward trend in the low-flow discharge of the lowland tributaries which is not observed in the {A}ndes. {B}ecause low-flow discharge values at most lowland stations are negatively related to the {SST} in the tropical {N}orth {A}tlantic, these trends could be explained by the warming of this ocean since the 1970s.}, keywords = {{A}mazon basin ; {M}adeira {R}iver ; runoff variability ; sea surface ; temperature ; runoff trend ; {BOLIVIE} ; {BRESIL} ; {PEROU} ; {AMAZONE} {BASSIN} ; {MADEIRA} {COURS} {D}'{EAU}}, booktitle = {}, journal = {{H}ydrological {S}ciences {J}ournal = {J}ournal des {S}ciences {H}ydrologiques}, volume = {62}, numero = {6}, pages = {911--927}, ISSN = {0262-6667}, year = {2017}, DOI = {10.1080/02626667.2016.1267861}, URL = {https://www.documentation.ird.fr/hor/fdi:010069517}, }