@article{fdi:010092870, title = {{C}onsistent coupled patterns of teleconnection between rainfall in the {O}goou{\'e} {R}iver {B}asin and sea surface temperature in tropical oceans}, author = {{B}ogning, {S}. and {F}rappart, {F}. and {E}bode, {V}. {B}. and {O}nguene, {R}. and {M}ah{\'e}, {G}il and {T}chilibou, {M}. and Étam{\'e}, {J}. and {B}raun, {J}ean-{J}acques}, editor = {}, language = {{ENG}}, abstract = {{T}his study investigates teleconnections between rainfall in the {O}goou{\'e} {R}iver {B}asin ({ORB}) and sea surface temperature ({SST}) in the tropical ocean basins. {T}he {M}aximum {C}ovariance {A}nalysis ({MCA}) is used to determine coupled patterns of {SST} in the tropical oceans and rainfall in the {ORB}, depicting regions and modes of {SST} dynamics that influence rainfall in the {ORB}. {T}he application of {MCA} to rainfall and {SST} fields results in three coupled patterns with squared covariance fractions of 84.5%, 76.5%, and 77.5% for the {A}tlantic, {P}acific, and {I}ndian tropical basins, respectively. {C}omputation of the correlations of the {S}avitzky-{G}olay-filtered resulting expansion coefficients reached 0.65, 0.5 and 0.72, respectively. {T}he {SST} variation modes identified in this study can be related to the {A}tlantic {M}eridional {M}ode for the tropical {A}tlantic and the {E}l {N}iño {S}outhern {O}scillation for the tropical {P}acific. {O}ver the {I}ndian {O}cean, it is a homogeneous mode over the entire basin, instead of the popular dipole mode. {T}hen, the time-dependent correlation method is used to remove any ambiguity on the relationships established from the {MCA}.}, keywords = {{A}tlantic meridional mode ; coupled patterns ; {E}l {N}iño {S}outhern oscillation ; maximum covariance analysis ; moving correlation ; rainfall ; in the {O}goou{\'e} river basin ; teleconnection}, booktitle = {}, journal = {{W}ater}, volume = {17}, numero = {5}, pages = {753 [19 p.]}, year = {2025}, DOI = {10.3390/w17050753}, URL = {https://www.documentation.ird.fr/hor/fdi:010092870}, }