S-chlorophyll squirts at 30°S off the Chilean coast (eastern South Pacific): Feature-tracking analysis

We describe the spatial structure and velocity fields of two SeaWiFS‐derived chlorophyll squirts in the Chilean coast. Consecutive, daily, L1A images were rectified and analyzed by means of a geographic information system. The velocity fields were obtained through feature‐tracking analysis (subjecti...

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Veröffentlicht in:	Journal of Geophysical Research. C. Oceans 2003-12, Vol.108 (C12), p.8.1-n/a
Hauptverfasser:	Marín, Víctor H., Delgado, Luisa E., Luna-Jorquera, Guillermo
Format:	Artikel
Sprache:	eng
Schlagworte:	carbon exports Earth, ocean, space Exact sciences and technology feature-tracking analysis Humboldt Current System SeaWiFS chlorophyll
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Beschreibung
Zusammenfassung:	We describe the spatial structure and velocity fields of two SeaWiFS‐derived chlorophyll squirts in the Chilean coast. Consecutive, daily, L1A images were rectified and analyzed by means of a geographic information system. The velocity fields were obtained through feature‐tracking analysis (subjective method). Both the hammerhead shape and the spatial structure of the velocity field agree with previous conceptual models. We succinctly discuss the biological consequences of squirts for the Humboldt Current coastal ecosystem.
ISSN:	0148-0227 2156-2202
DOI:	10.1029/2003JC001935