Application of SeaWIFS- and AVHRR-derived data for mesoscale and regional validation of a 3-D high-resolution physical–biological model of the Gulf of St. Lawrence (Canada)
作者： V. Le Fouest , B. Zakardjian , F.J. Saucier , S.A. Çizmeli
DOI: 10.1016/J.JMARSYS.2005.11.008
关键词:
摘要: We present here a first attempt to validate regional three-dimensional (3-D) physical–biological coupled model of the Gulf St. Lawrence with coincident Advanced Very High Resolution Radiometer (AVHRR)-derived sea surface temperature (SST) and Sea-viewing Wide Field-of-view Sensor (SeaWIFS)-derived Chlorophyll-a (Chl-a) data. The analysis focused on comparisons between remotely sensed data simulated as well in situ temperature, salinity, Chl-a, nitrate. Results show that AVHRR-derived fields SST were qualitatively quantitatively agreement measurements. By contrast, marked differences found SeaWIFS-derived latter comparing better freshwater-associated turbidity by model. Simulated nitrate, Chl-a compared measurements, it is then suggested related river discharges largely contributed retrievals SeaWIFS Gulf's waters when using standard OC4v.4 algorithm atmospheric correction. Nevertheless, striking ocean colour allowed estuarine circulation associated mesoscale variability. This result brings support model's ability simulate realistic physical biogeochemical Lawrence.
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