@article{fdi:010083901, title = {{S}imilarities and contrasts in time-mean striated surface tracers in {P}acific eastern boundary upwelling systems : the role of ocean currents in their generation}, author = {{B}elmadani, {A}. and {A}uger, {P}ierre-{A}ma{\¨e}l and {M}aximenko, {N}. and {G}omez, {K}. and {C}ravatte, {S}ophie}, editor = {}, language = {{ENG}}, abstract = {{E}astern boundary upwelling systems feature strong zonal gradients of physical and biological properties between cool, productive coastal oceans and warm, oligotrophic subtropical gyres. {Z}onal currents and jets (striations) are therefore likely to contribute to the transport of water properties between coastal and open oceanic regions. {F}or the first time, multi-sensor satellite data are used to characterize the time-mean signatures of striations in sea surface temperature ({SST}), salinity ({SSS}), and chlorophyll-a ({C}hl-a) in subtropical eastern {N}orth/{S}outh {P}acific ({ENP}/{ESP}) upwelling systems. {I}n the {ENP}, tracers exhibit striated patterns extending up to ~2500 km offshore. {S}triated signals in {SST} and {SSS} are highly correlated with quasi-zonal jets, suggesting that these jets contribute to {SST}/{SSS} mesoscale patterns via zonal advection. {S}triated {C}hl-a anomalies are collocated with sea surface height ({SSH}) bands, a possible result of mesoscale eddy trains trapping nutrients and forming striated signals. {I}n the {ESP}, the signature of striations is only found in {SST} and coincides with the {SSH} bands, consistently with quasi-zonal jets located outside major zonal tracer gradients. {A}n interplay between large-scale {SST}/{SSS} advection by the quasi-zonal jets, mesoscale {SST}/{SSS} advection by the large-scale meridional flow, and eddy advection may explain the persistent {ENP} hydrographic signature of striations. {T}hese results underline the importance of quasi-zonal jets for surface tracer structuring at the mesoscale.}, keywords = {striations ; satellite data ; sea surface temperature ; sea surface ; salinity ; chlorophyll-a ; eastern boundaries ; {P}acific {O}cean ; {PACIFIQUE}}, booktitle = {}, journal = {{F}luids}, volume = {6}, numero = {12}, pages = {455 [31 ]}, year = {2021}, DOI = {10.3390/fluids6120455}, URL = {https://www.documentation.ird.fr/hor/fdi:010083901}, }