@article{fdi:010078009,
  title = {{I}mpact of ocean-atmosphere current feedback on ocean mesoscale activity : regional variations and sensitivity to model resolution},
  author = {{J}ullien, {S}. and {M}asson, {S}. and {O}erder, {V}. and {S}amson, {G}. and {C}olas, {F}ran{\c{c}}ois and {R}enault, {L}ionel},
  editor = {},
  language = {{ENG}},
  abstract = {{O}cean mesoscale eddies are characterized by rotating-like and meandering currents that imprint the low-level atmosphere. {S}uch a current feedback ({CFB}) has been shown to induce a sink of energy from the ocean to the atmosphere, and consequently to damp the eddy kinetic energy ({EKE}), with an apparent regional disparity. {I}n a context of increasing model resolution, the importance of this feedback and its dependence on oceanic and atmospheric model resolution arise. {U}sing a hierarchy of quasi-global coupled models with spatial resolutions varying from 1/4 degrees to 1/12 degrees, the present study shows that the {CFB} induces a negative wind work at scales ranging from 100 to 1000 km, and a subsequent damping of the mesoscale activity by 30% on average, independently of the model resolution. {R}egional variations of this damping range from 20% in very rich eddying regions to 40% in poor eddying regions. {T}his regional modulation is associated with a different balance between the sink of energy by eddy wind work and the source of {EKE} by ocean intrinsic instabilities. {T}he efficiency of the {CFB} is also shown to be a function of the surface wind magnitude: the larger the wind, the larger the sink of energy. {T}he {CFB} impact is thus related to both wind and {EKE}. {I}ts correct representation requires both an ocean model that resolves the mesoscale field adequately and an atmospheric model resolution that matches the ocean effective resolution and allows a realistic representation of wind patterns. {T}hese results are crucial for including adequately mesoscale ocean-atmosphere interactions in coupled general circulation models and have strong implications in climate research.},
  keywords = {{C}urrents ; {F}eedback ; {M}esoscale processes ; {A}ir-sea interaction ; {C}oupled models ; {M}esoscale models},
  booktitle = {},
  journal = {{J}ournal of {C}limate},
  volume = {33},
  numero = {7},
  pages = {2585--2602},
  ISSN = {0894-8755},
  year = {2020},
  DOI = {10.1175/jcli-d-19-0484.1},
  URL = {https://www.documentation.ird.fr/hor/fdi:010078009},
}