@article{fdi:010071219, title = {{S}ubthermocline and intermediate zonal currents in the tropical {P}acific ocean : paths and vertical structure}, author = {{C}ravatte, {S}ophie and {K}estenare, {E}lodie and {M}arin, {F}r{\'e}d{\'e}ric and {D}utrieux, {P}. and {F}iring, {E}.}, editor = {}, language = {{ENG}}, abstract = {{T}he mean subthermocline and intermediate zonal circulation in the tropical {P}acific is investigated using a compilation of shipboard {ADCP} measurements and absolute geostrophic velocities constructed from a high-resolution 0-2000-m {A}rgo climatology referenced to a 1000-m velocity field derived from {A}rgo float drifts. {T}his reference field is dominated by basinwide alternating zonal jets with a meridional wavelength of about 3 degrees. {I}n regions where the sampling of {SADCP} data is sufficient, the consistency between the two independent datasets is striking; using the {A}rgo drift reference is crucial to capture the current structures. {T}wo apparently distinct systems of alternating westward and eastward zonal jets are seen in both datasets equatorward of 108: a series of low-latitude subthermocline currents ({LLSC}s) below the thermocline, extending from about 200 to 800 m, including the eastward {T}suchiya jets; and a series of low-latitude intermediate currents ({LLIC}s), extending from about 700 to at least 2000 m. {T}hese systems seem to merge poleward of 10 degrees. {B}oth series shoal to lighter densities eastward. {T}he subthermocline currents and their associated potential vorticity structures undergo a major shift near 1558{W}, suggesting some difference in the dynamic regime between the regions west and east of this longitude. {D}iffering behaviors (the {LLSC}s tend to angle poleward to the east, whereas the {LLIC}s angle slightly equatorward) suggest that these jets may be dynamically distinct, with different forcing mechanisms.}, keywords = {{PACIFIQUE}}, booktitle = {}, journal = {{J}ournal of {P}hysical {O}ceanography}, volume = {47}, numero = {9}, pages = {2305--2324}, ISSN = {0022-3670}, year = {2017}, DOI = {10.1175/jpo-d-17-0043.1}, URL = {https://www.documentation.ird.fr/hor/fdi:010071219}, }