@article{fdi:010006329, title = {{O}bjective analysis of simulated {E}quatorial {A}tlantic ocean data on seasonal time scales}, author = {{M}c{P}haden, {M}.{J}. and {R}everdin, {G}. and {M}erle, {J}acques and {P}enhoat, {Y}ves du and {K}artavseff, {A}.}, editor = {}, language = {{ENG}}, abstract = {{I}n this study we objectively analyze simulated {E}quatorial {A}tlantic ocean data on seasonal time scales using a technique based on optimal interpolation. {T}he purpose is twofold : (1) to estimate the accuracy of the {FOCAL}/{SEQUAL} ({P}rogramme {F}ran{\c{c}}ais {O}c{\'e}an-{C}limat en {A}tlantique {E}quatorial/{S}easonal {E}quatorial {A}tlantic {R}esponse {P}rogram) array for mapping large-scale seasonal variations in the depth of the 20° isotherm, and (2) to examine the potential of 20 {FOCAL} drifting buoys drogued with thermistor chains for enhancing that mapping accuracy. {T}his latter point leads to the development of heuristic model for drifter motion in order to identify the most favorable time and location for buoy deployments. {R}esults are discussed for a number of assumptions about oceanic variability required by both the optimal interpolation procedure and the drifting buoy model. ({D}'apr{\`e}s r{\'e}sum{\'e} d'auteur)}, keywords = {{TEMPERATURE} {DE} {SURFACE} ; {COURANT} ; {VARIATION} {SAISONNIERE} ; {ANALYSE} {MATHEMATIQUE} ; {VALIDATION} {DE} {RESULTAT} ; {ATLANTIQUE} {TROPICAL}}, booktitle = {}, journal = {{D}eep-{S}ea {R}esearch}, volume = {31}, numero = {5}, pages = {551--569}, ISSN = {0198-0149}, year = {1984}, DOI = {10.1016/0198-0149(84)90101-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010006329}, }