@article{fdi:010079431, title = {{R}eview on observational studies of western tropical {P}acific {O}cean circulation and climate}, author = {{H}u, {D}. {X}. and {W}ang, {F}. and {S}printall, {J}. and {W}u, {L}. {X}. and {R}iser, {S}. and {C}ravatte, {S}ophie and {G}ordon, {A}. and {Z}hang, {L}. {L}. and {C}hen, {D}. {K}. and {Z}hou, {H}. and {A}ndo, {K}. and {W}ang, {J}. {N}. and {L}ee, {J}. {H}. and {H}u, {S}. {J}. and {W}ang, {J}. and {Z}hang, {D}. {X}. and {F}eng, {J}. {Q}. and {L}iu, {L}. {L}. and {V}illanoy, {C}. and {K}aluwin, {C}. and {Q}u, {T}. {D}. and {M}a, {Y}. {X}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {W}estern {T}ropical {P}acific ({WTP}) {O}cean holds the largest area of warm water (>28 degrees {C}) in the world ocean referred to as the {W}estern {P}acific {W}arm {P}ool ({WPWP}), which modulates the regional and global climate through strong atmospheric convection and its variability. {T}he {WTP} is unique in terms of its complex 3-{D} ocean circulation system and intensive multiscale variability, making it crucial in the water and energy cycle of the global ocean. {G}reat advances have been made in understanding the complexity of the {WTP} ocean circulation and associated climate impact by the international scientific community since the 1960s through field experiments. {I}n this study, we review the evolving insight to the 3-{D} structure and multi-scale variability of the ocean circulation in the {WTP} and their climatic impacts based on in-situ ocean observations in the past decades, with emphasis on the achievements since 2000. {T}he challenges and open questions remaining are reviewed as well as future plan for international study of the {WTP} ocean circulation and climate.}, keywords = {{W}estern {T}ropical {P}acific ({WTP}) ; ocean circulation ; climate ; observation ; {PACIFIQUE} {OUEST} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{J}ournal of {O}ceanology and {L}imnology}, volume = {38}, numero = {4}, pages = {906--929}, ISSN = {2096-5508}, year = {2020}, DOI = {10.1007/s00343-020-0240-1}, URL = {https://www.documentation.ird.fr/hor/fdi:010079431}, }