@article{fdi:010048354, title = {{H}ydrological variability in the {A}mazon drainage basin and {A}frican tropical basins}, author = {{M}olinier, {M}. and {R}onchail, {J}. and {G}uyot, {J}ean-{L}oup and {C}ochonneau, {G}{\'e}rard and {G}uimaraes, {V}. and de {O}liveira, {E}.}, editor = {}, language = {{ENG}}, abstract = {{L}ong-term monthly mean rainfall and water discharge data from about 50 rain gauge stations and approximately the same number of hydrometric stations in the {A}mazon drainage basin were systematically analysed. {T}he longest records approached 100 years in length. {C}omparison with climatic indices derived from the {T}ropical {P}acific ({S}outhern {O}scillation {I}ndex-{SOI}) and the {A}tlantic [sea surface temperature ({SST}) anomalies] reveals the influence of the {E}l {N}ino-{S}outhern {O}scillation ({ENSO}) phenomenon on the variability of {A}mazonian hydrological regimes. {T}his influence, however, may be strengthened by the tropical {A}tlantic {SST}. {A} similar study of several big rivers in {A}frica shows that the influence of {ENSO} is weaker in that continent. {T}he hydrological variability of these streams is better explained by {S}outh {A}tlantic surface temperature anomalies. {T}he {A}tlantic {O}cean could act as a relay between the {P}acific and the {A}frican continents.}, keywords = {hydrological variability ; {ENSO} ; ocean atmospheric circulation ; {A}mazon ; basin ; {C}ongo {R}iver ; {A}tlantic basin ; {AFRIQUE} {SUBSAHARIENNE} ; {BRESIL} ; {AMAZONIE}}, booktitle = {}, journal = {{H}ydrological {P}rocesses}, volume = {23}, numero = {22}, pages = {3245--3252}, ISSN = {0885-6087}, year = {2009}, DOI = {10.1002/hyp.7400}, URL = {https://www.documentation.ird.fr/hor/fdi:010048354}, }