Does Sea Surface Temperature Explain the Seasonal Variability of Chlorophyll in the Upper Indian Ocean?
Author: Mohammad Zahedur Rahman Chowdhury, Shyamal Chandra Basak, Subrata SarkerDOI: doi.org/10.70279/bmj-v4-i1-1005
Cited by 1
Quantitative analyzes of chlorophyll concentration in relation to Sea Surface Temperature (SST) can explain the spatiotemporal distribution of phytoplankton in oceans. In this study, the response of chlorophyll in the Bay of Bengal (BoB) and the Arabian Sea (AS) to seasonal SST was investigated using remotely sensed Moderate Resolution Imaging Spectroradiometer (MODIS) data. MODIS SST data were validated with in-situ data derived from the World Ocean Database. Thus, satellite-based SST estimates were more reliable for BoB than that of AS. In general, SST was comparatively high in BoB; the lowest 27.88° C recorded in January and the highest 30.33° C in April. In contrast, maximum SST in AS was 29.82° C in May and minimum 26.66° C recorded in January. The chlorophyll concentration in BoB was minimum (0.31 mg m-3) in April and maximum (0.46 mg m-3) in September. While the chlorophyllin AS was minimum (0.34 mg m-3) in April and maximum (1.18 mg m-3) in September. These results suggest a significant negative association between SST and chlorophyll in BoB and AS that can explain 32% variability of chlorophyllin both areas. Other than SST, a large number of biotic and abiotic factors, such as nutrient availability, presence of sunlight, mixing layer depth, grazing etc. affect the seasonal variation of chlorophyll. Nevertheless, this study will provide useful information to understand the phytoplankton dynamics in tropical seas
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| Total Citation | Cited by 1 |
| How to Cite | Chowdhury, M. Z. R., Basak, S. C., & Sarker, S. (2020). Does SST Explain the Seasonal Variability of Chlorophyll in the Upper Indian Ocean?. Bangladesh Maritime Journal, 4(1), 14. doi.org/10.70279/bmj-v4-i1-1005 |
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| Article Volume | Volume 04 |
| Article Issue | Issue 1 |
| Article DOI | doi.org/10.70279/bmj-v4-i1-1005 |
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| Article Slug | does-sea-surface-temperature-explain-the-seasonal-variability-of-chlorophyll-in-the-upper-indian-ocean |
| Article Keyword | Phytoplankton, Temperature, Dynamics, Bay of Bengal, Arabian Sea |
| Article Entry Time | 16:12:16 |
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