Conditions for primary production in Namibian waters: a satellite approach

Ana Gordoa; Carolina Campillo-Campbell

doi:10.1117/12.565525

16 November 2004 Conditions for primary production in Namibian waters: a satellite approach

Ana Gordoa, Carolina Campillo-Campbell

Proceedings Volume 5569, Remote Sensing of the Ocean and Sea Ice 2004; (2004) https://doi.org/10.1117/12.565525
Event: Remote Sensing, 2004, Maspalomas, Canary Islands, Spain

Abstract

Conditions for primary production have been studied in Namibian waters during the period: October 1997-December 2003. The variables used have been: Sea Surface Temperature (SST) from the Advanced Very High Resolution Radiometer (AVHRR) and chlorophyll concentration from Sea-viewing Wide Field-of-view Sensor (SeaWiFS) imagery. Temporal, latitudinal analyses have been done for both variables in different spatial scales. Chlorophyll concentration presented a clear seasonality all along the Namibian coast. Summer and winter with maxima and minima respectively, these periods correspond to minimum and maximum upwelling intensity. These results indicate that primary production in this regions is not limited by nutrients, though it seems to be negatively affected by physical instability. Additionally north and south of 23°S a second peak of chlorphyll concentration is observed by at different seasons: autumn in the northern sector and spring in the souther one.

Citation Download Citation

Ana Gordoa and Carolina Campillo-Campbell "Conditions for primary production in Namibian waters: a satellite approach", Proc. SPIE 5569, Remote Sensing of the Ocean and Sea Ice 2004, (16 November 2004); https://doi.org/10.1117/12.565525

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