@article{fdi:010062785, title = {{U}pper and intermediate circulation in the western equatorial {P}acific {O}cean in {O}ctober 1999 and {A}pril 2000}, author = {{G}ouriou, {Y}ves and {D}elcroix, {T}hierry and {E}ldin, {G}{\'e}rard}, editor = {}, language = {{ENG}}, abstract = {{T}he upper and intermediate circulation (0-1200 m) in the western equatorial {P}acific {O}cean is examined thanks to {L}owered {A}coustic {D}oppler {C}urrent {P}rofiler ({LADCP}) measurements carried out during two cruises in {O}ctober 1999 and {A}pril 2000. {S}everal new features of the equatorial circulation are discussed. {I}t is shown that the secondary {S}outh {S}ubsurface {C}ounter{C}urrent (s{SSCC}) laying at 6 degrees {S}-400 m depth, had a deep extension at 165 degrees {E} with a maximum core velocity around 5 degrees {S}-1000 m. {F}urthermore the {E}quatorial {I}ntermediate {C}urrent ({EIC}) and the {L}ower {EIC} ({LEIC}) displayed a strong temporal variability between 165 degrees {E} and 180 degrees, as these two westward currents were replaced by eastward flow along the equator on the second cruise. {F}inally during the {A}pril 2000 cruise the zonal velocity profile carried out at the equator east of the {G}ilbert {I}sland (around 175 degrees {E}) broke into small vertical scales, possibly reflecting topographic effect and/or destabilization mechanism that leads to the formation of long zonal jet-like structures.}, keywords = {{PACIFIQUE} {EQUATORIAL}}, booktitle = {}, journal = {{G}eophysical {R}esearch {L}etters}, volume = {33}, numero = {10}, pages = {{L}10603 {NIL}_44--{NIL}_47}, ISSN = {0094-8276}, year = {2006}, DOI = {10.1029/2006{GL}025941}, URL = {https://www.documentation.ird.fr/hor/fdi:010062785}, }