FLux Oceaniques Restitues par bilan d'ENergie a la surfaCE
Project DescriptionThe FLORENCE program (FLux Oceaniques Restitues par bilan d'ENergie a la
surfaCE, or ocean fluxes restored from surface energy budgets) involved
determination of fluxes from SST observations combined with stress and
radiative flux estimates from satellite data alone. The FLORENCE method
consists of the inverse of a three-dimensional oceanic mixed-layer model in
order to infer the net surface heat flux that yields an exact simulation of the
observed SST, the model being otherwise forced by wind stress data.
Determination of turbulent fluxes along the trajectories of drifting buoys
equipped with thermistor chains allows to adjust the FLORENCE technique and
gives some insight on flux variability. The use of such buoys in
ocean-atmosphere experiments allows to retrieve fluxes under various weather
conditions and to compare air-sea fluxes evaluations with direct measurements
performed by ship, aircraft, and moored buoys.
Four Marisonde GT drifters, using Argos for location and data collection, were
released during the TOGA COARE Intensive Observing Period. On an hourly basis,
the buoys measured SST, wind speed, wind direction, and water temperature down
to a depth of 150 meters nominal (15-m intervals). Atmospheric pressure
(one-minute sampling) was measured at the same time every three hours (excepted
on buoy 15500).
Summary provided by http://dss.ucar.edu/datasets/ds606.4/docs/marisonde.readme