@article{fdi:010061686,
  title = {{A} one-dimensional modeling study of the diurnal cycle in the equatorial {A}tlantic at the {PIRATA} buoys during the {EGEE}-3 campaign},
  author = {{W}ade, {M}. and {C}aniaux, {G}. and {P}enhoat, {Y}ves du and {D}engler, {M}. and {G}iordani, {H}. and {H}ummels, {R}.},
  editor = {},
  language = {{ENG}},
  abstract = {{A} one-dimensional model is used to analyze, at the local scale, the response of the equatorial {A}tlantic {O}cean under different meteorological conditions. {T}he study was performed at the location of three moored buoys of the {P}ilot {R}esearch {M}oored {A}rray in the {T}ropical {A}tlantic located at 10 degrees {W}, 0 degrees {N}; 10 degrees {W}, 6 degrees {S}; and 10 degrees {W}, 10 degrees {S}. {D}uring the {EGEE}-3 ({E}tude de la circulation oceanique et de sa variabilite dans le {G}olfe de {G}uinee) campaign of {M}ay-{J}une 2006, each buoy was visited for maintenance during 2 days. {O}n board the ship, high-resolution atmospheric parameters were collected, as were profiles of temperature, salinity, and current. {T}hese data are used here to initialize, force, and validate a one-dimensional model in order to study the diurnal oceanic mixed-layer variability. {I}t is shown that the diurnal variability of the sea surface temperatures is mainly driven by the solar heat flux. {T}he diurnal response of the near-surface temperatures to daytime heating and nighttime cooling has an amplitude of a few tenths of degree. {T}he computed diurnal heat budget experiences a net warming tendency of 31 and 27 {W}m(-2) at 0 degrees {N} and 10 degrees {S}, respectively, and a cooling tendency of 122 {W}m(-2) at 6 degrees {S}. {B}oth observed and simulated mixed-layer depths experience a jump between the nighttime convection phase and the well-stabilized diurnal water column. {I}ts amplitude changes dramatically depending on the meteorological conditions occurring at the stations and reaches its maximum amplitude (similar to 50 m) at 100 degrees {S}. {A}t 6 degrees and 10 degrees {S}, the presence of barrier layers is observed, a feature that is clearer at 10 degrees {S}. {S}imulated turbulent kinetic energy (11({E}) dissipation rates, compared to independent microstructure measurements, show that the model tracks their diurnal evolution reasonably well. {I}t is also shown that the shear and buoyancy productions and the vertical diffusion of {TKE} all contribute to the supply of {TKE}, but the buoyancy production is the main source of {TKE} during the period of the simulation.},
  keywords = {{CIRCULATION} {OCEANIQUE} ; {FACTEUR} {CLIMATIQUE} ; {VARIATION} {JOURNALIERE} ; {TEMPERATURE} {DE} {SURFACE} ; {TURBULENCE} {MARINE} ; {COURANT} {DE} {CONVECTION} ; {ENERGIE} {CINETIQUE} ; {CYCLE} {DIURNE} ; {ATLANTIQUE}},
  booktitle = {},
  journal = {{O}cean {D}ynamics},
  volume = {61},
  numero = {1},
  pages = {1--20},
  ISSN = {1616-7341},
  year = {2011},
  DOI = {10.1007/s10236-010-0337-8},
  URL = {https://www.documentation.ird.fr/hor/fdi:010061686},
}