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Abstract:

We studied the spatio-temporal variations of satellite chlorophyll-a (chl-a) and phytoplankton blooms in the continental shelf and shelf-break of the Argentinean patagonic region by means of an 11-years time series of level 3 (L3) MODIS/Aqua chlorophyll products. We aggregated data according to different granularities and estimated climatologies and anomalies. We also studied the phenology of phytoplankton blooms determining bloom starting date and date of maximum concentration. Finally, we estimated and described statistical indexes such as bloom occurrence frequency. The results obtained provide an overview of the evolution and the spatio-temporal variability of chl-a that, in general, and despite its limitations, was complementary and consistent with previous studies based on both satellite and in situ data. This study intended to set the baseline to study algal blooms and their variability in the Argentinian sea, which is valuable information to be included in predictive models related to the occurrence of harmful algal blooms, dynamics of marine system and the effects of global changes over climatic and biogeochemical cycles. In addition, this study also contributes with more up-to-date science data for the future Argentinian and Brazilian SABIA-Mar ocean color mission, which will provide high resolution data (200 m) over the Argentinian coastal zones and continental shelf. Besides the results per se, the relevance of this study is also related to the use of an novel free and open source tool. © 2016 IEEE.

Registro:

Documento: Artículo
Título:Remote Sensing of Phytoplankton Blooms in the Continental Shelf and Shelf-Break of Argentina: Spatio-Temporal Changes and Phenology
Autor:Andreo, V.C.; Dogliotti, A.I.; Tauro, C.B.
Filiación:Comisión Nacional de Actividades Espaciales, Falda del Carmen, 5187, Argentina
Facultad de Matemática, Astronomía y Física, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, 5000, Argentina
Instituto de Astronomía y Fsica del Espacio (CONICET-UBA), Ciudad Universitaria, Buenos Aires, 1428, Argentina
Palabras clave:Geographic information systems; marine vegetation; remote sensing; sea; time series; Biogeochemistry; Biology; Chlorophyll; Coastal zones; Phytoplankton; Biogeochemical cycle; Different granularities; Harmful algal blooms; High resolution data; Maximum concentrations; Spatio-temporal changes; Spatio-temporal variation; Spatiotemporal variability; Remote sensing; algal bloom; biogeochemical cycle; chlorophyll; chlorophyll a; coastal zone; global change; MODIS; nutrient cycling; phytoplankton; remote sensing; shelf break; spatiotemporal analysis; time series analysis; Argentina; Brazil; algae
Año:2016
Volumen:9
Número:12
Página de inicio:5315
Página de fin:5324
DOI: http://dx.doi.org/10.1109/JSTARS.2016.2585142
Título revista:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Título revista abreviado:IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens.
ISSN:19391404
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_19391404_v9_n12_p5315_Andreo

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Citas:

---------- APA ----------
Andreo, V.C., Dogliotti, A.I. & Tauro, C.B. (2016) . Remote Sensing of Phytoplankton Blooms in the Continental Shelf and Shelf-Break of Argentina: Spatio-Temporal Changes and Phenology. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9(12), 5315-5324.
http://dx.doi.org/10.1109/JSTARS.2016.2585142
---------- CHICAGO ----------
Andreo, V.C., Dogliotti, A.I., Tauro, C.B. "Remote Sensing of Phytoplankton Blooms in the Continental Shelf and Shelf-Break of Argentina: Spatio-Temporal Changes and Phenology" . IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 9, no. 12 (2016) : 5315-5324.
http://dx.doi.org/10.1109/JSTARS.2016.2585142
---------- MLA ----------
Andreo, V.C., Dogliotti, A.I., Tauro, C.B. "Remote Sensing of Phytoplankton Blooms in the Continental Shelf and Shelf-Break of Argentina: Spatio-Temporal Changes and Phenology" . IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 9, no. 12, 2016, pp. 5315-5324.
http://dx.doi.org/10.1109/JSTARS.2016.2585142
---------- VANCOUVER ----------
Andreo, V.C., Dogliotti, A.I., Tauro, C.B. Remote Sensing of Phytoplankton Blooms in the Continental Shelf and Shelf-Break of Argentina: Spatio-Temporal Changes and Phenology. IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens. 2016;9(12):5315-5324.
http://dx.doi.org/10.1109/JSTARS.2016.2585142