@article{fdi:010083054, title = {{S}urface circulation in the {G}ulf of {C}adiz : {M}odel and mean flow structure}, author = {{P}eliz, {A}. and {D}ubert, {J}. and {M}archesiello, {P}atrick and {T}eles {M}achado, {A}.}, editor = {}, language = {{ENG}}, abstract = {{T}he mean flow structure of the {G}ulf of {C}adiz is studied using a numerical model. {T}he model consists of a set of one-way nested configurations attaining resolutions on the order of 2.6 km in the region of the {G}ulf of {C}adiz. {I}n the large-scale configuration, the entrainment of the {M}editerranean {W}ater is parameterized implicitly through a nudging term. {I}n medium- and small-scale nested configurations, the {M}editerranean outflow is introduced explicitly. {T}he model reproduces all the known features of the {A}zores {C}urrent and of the circulation inside the {G}ulf of {C}adiz. {A} realistic {M}editerranean {U}ndercurrent is generated and {M}eddies develop at proper depths on the southwest tip of the {I}berian slope. {T}he hypothesis that the {A}zores {C}urrent may generate in association with the {M}editerranean outflow (beta-plume theories) is confirmed by the model results. {T}he time-mean flow is dominated by a cyclonic cell generated in the gulf which expands westward and has transports ranging from 4 to 5 {S}v. {T}he connection between the cell and the {A}zores {C}urrent is analyzed. {A}t the scale of the {G}ulf, the time-mean flow cell is composed by the westward {M}editerranean {U}ndercurrent, and by a counterflow running eastward over the outer edge of the {M}editerranean {U}ndercurrent deeper vein, as the latter is forced downslope. {T}his counterflow feeds the entrainment at the depths of the {M}editerranean {U}ndercurrent and the {A}tlantic inflow at shallower levels. {C}oastward and upslope of this recirculation cell, a second current running equatorward all the way along the northern part of the gulf is revealed. {T}his current is a very robust model result that promotes continuity between the southwestern {I}berian coast and the {S}trait of {G}ibraltar, and helps explain many observations and recurrent {SST} features of the {G}ulf of {C}adiz.}, keywords = {}, booktitle = {}, journal = {{J}ournal of {G}eophysical {R}esearch {O}ceans}, volume = {112}, numero = {{C}11}, pages = {{C}11015 [20 ]}, ISSN = {0148-0227}, year = {2007}, DOI = {10.1029/2007{JC}004159}, URL = {https://www.documentation.ird.fr/hor/fdi:010083054}, }