Mechanisms involved in the proliferation and distribution of phytoplankton in the Patagonian Sea, Argentina, as revealed by remote sensing studies
| العنوان: | Mechanisms involved in the proliferation and distribution of phytoplankton in the Patagonian Sea, Argentina, as revealed by remote sensing studies |
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| المؤلفون: | Javier Ulibarrena, Victor H. Conzonno |
| المصدر: | SEDICI (UNLP) Universidad Nacional de La Plata instacron:UNLP |
| بيانات النشر: | Springer Science and Business Media LLC, 2015. |
| سنة النشر: | 2015 |
| مصطلحات موضوعية: | Chlorophyll, Global and Planetary Change, Biomass (ecology), South Atlantic Ocean, Soil Science, Geology, Circumpolar star, Remote sensing, Pollution, Algal bloom, Current (stream), Oceanography, Confluence, Phytoplankton, Period (geology), Ciencias Naturales, Environmental Chemistry, Environmental science, Ecosystem, Patagonian Sea, Earth-Surface Processes, Water Science and Technology |
| الوصف: | Studies about the mechanisms that control the dynamics of phytoplankton in terms of surface chlorophyll patches by means of remote sensing information were encouraged in the Patagonian Sea (South Atlantic Ocean). Over this sea, circulation of the Patagonian Current and Malvinas Current, originated in the Circumpolar Antarctic Current, has much to do in the distribution of algal biomass. The study confirms the existence of three ecosystems: Coastal system, Shelf waters system and Shelf break. In the former, algal blooms are detected mostly between March and August. Later, the patches move inside the shelf area, the second ecosystem, towards NNE direction from approximately August to December under the influence of the Patagonian Current to reach the Malvinas Current, which circulates along the shelf break. The third ecosystem, Malvinas system, may be divided into the Malvinas Islands, where an intense algal bloom from December to January could be verified, and the Malvinas Current that shows a high concentration of algal pigment in the same period, although evidences support the hypothesis that the latter has mainly an allochthonous character. At about 37°S–39°S and 53°W–56°W, variable position, the confluence between Malvinas Current and Brazil Current takes place. As a result, the chlorophyll that functions as a tracer indicates that the impact has the characteristics of being an elastic collision, since the Malvinas Current identity was preserved afterwards. Special events, such as the climatic conditions that prompt changes in the annual behavior of the phytoplankton distribution, are discussed. Laboratorio de Investigación de Sistemas Ecológicos y Ambientales Facultad de Ciencias Naturales y Museo |
| وصف الملف: | application/pdf |
| تدمد: | 1866-6299 1866-6280 |
| DOI: | 10.1007/s12665-015-4052-0 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c3740da71602d767c0a1cdc0dbceea1 https://doi.org/10.1007/s12665-015-4052-0 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....8c3740da71602d767c0a1cdc0dbceea1 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 18666299 18666280 |
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| DOI: | 10.1007/s12665-015-4052-0 |