@article{fdi:010075623, title = {{D}isentangling the mesoscale ocean-atmosphere interactions}, author = {{R}enault, {L}ionel and {M}asson, {S}. and {O}erder, {V}. and {J}ullien, {S}. and {C}olas, {F}ran{\c{c}}ois}, editor = {}, language = {{ENG}}, abstract = {{I}n the decades, the use of scatterometer data allowed to demonstrate the global ubiquity of the ocean mesoscale thermal feedback ({TFB}) and current feedback ({CFB}) effects on surface winds and stress. {U}nderstanding these air-sea interactions is of uttermost importance as the induced atmospheric anomalies partly control the ocean circulation and thus can influence the {E}arth climate. {W}hether the {TFB} and {CFB} effects can be disentangled, and whether satellite scatterometers can properly reveal them, remain rather unclear. {H}ere, using satellite observations and ocean-atmosphere coupled mesoscale simulations over 45 degrees {S} to 45 degrees {N}, we show that the {CFB} effect can be properly characterized and unraveled from that due to the {TFB}. {W}e demonstrate that the {TFB} can be unambiguously characterized by its effect on the stress (and wind) divergence and magnitude. {H}owever, its effect on the wind and stress curl is contaminated by the {CFB} and thus cannot be estimated from scatterometer data. {F}inally, because scatterometers provide equivalent neutral stability winds relative to the oceanic currents, they cannot characterize adequately the {CFB} wind response and overestimate the {TFB} wind response by approximate to 25%. {S}urface stress appears to be the more appropriate variable to consider from scatterometer data.}, keywords = {mesoscale-air-sea-interactions ; current feedback ; thermal feedback ; scatterometters ; coupling coefficients ; coupled models}, booktitle = {}, journal = {{J}ournal of {G}eophysical {R}esearch : {O}ceans}, volume = {124}, numero = {3}, pages = {2164--2178}, ISSN = {2169-9275}, year = {2019}, DOI = {10.1029/2018jc014628}, URL = {https://www.documentation.ird.fr/hor/fdi:010075623}, }