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Dreano, D, Raitsos, DE, Gittings, J, Krokos, G and Hoteit, I 2016 The Gulf of Aden Intermediate Water Intrusion Regulates the Southern Red Sea Summer Phytoplankton Blooms. Plos One, 11(12), e0168440. https://doi.org/10.1371/journal.pone.0168440
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Dreano_et al_PLoS One_2017.pdf - Published Version Available under License Creative Commons Attribution. Download (2MB) | Preview |
Abstract/Summary
Knowledge on large-scale biological processes in the southern Red Sea is relatively limited, primarily due to the scarce in situ, and satellite-derived chlorophyll-a (Chl-a) datasets. During summer, adverse atmospheric conditions in the southern Red Sea (haze and clouds) have long severely limited the retrieval of satellite ocean colour observations. Recently, a new merged ocean colour product developed by the European Space Agency (ESA)Ðthe Ocean Color Climate Change Initiative (OC-CCI)Ðhas substantially improved the southern Red Sea coverage of Chl-a, allowing the discovery of unexpected intense summer blooms. Here we provide the first detailed description of their spatiotemporal distribution and report the mechanisms regulating them. During summer, the monsoon-driven wind reversal modifies the circulation dynamics at the Bab-el-Mandeb strait, leading to a subsurface influx of colder, fresher, nutrient-rich water from the Indian Ocean. Using satellite observations, model simulation outputs, and in situ datasets, we track the pathway of this intrusion into the extensive shallow areas and coral reef complexes along the basin's shores. We also provide statistical evidence that the subsurface intrusion plays a key role in the development of the southern Red Sea phytoplankton blooms.
| Item Type: | Publication - Article |
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| Subjects: | Earth Observation - Remote Sensing Ecology and Environment Marine Sciences Oceanography |
| Divisions: | Plymouth Marine Laboratory > National Capability categories > National Centre for Earth Observation Plymouth Marine Laboratory > Science Areas > Earth Observation Science and Applications |
| Depositing User: | Dr Dionysios Raitsos |
| Date made live: | 19 Jan 2017 15:03 |
| Last Modified: | 21 Nov 2018 14:19 |
| URI: | https://plymsea.ac.uk/id/eprint/7335 |
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