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Technical Note

High Chlorophyll-a Areas along the Western Coast of South Sulawesi-Indonesia during the Rainy Season Revealed by Satellite Data

1
Department of Oceanography, Faculty of Fisheries and Marine Sciences, Diponegoro University, Semarang 50275, Indonesia
2
Center for Coastal Disaster Mitigation and Rehabilitation Studies, Diponegoro University, Semarang 50275, Indonesia
3
Department of Atmospheric and Oceanic Science, University of Maryland, College Park, MD 20742, USA
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Faculty of Earth Science and Technology, Bandung Institute of Technology, Bandung 40132, Indonesia
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Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
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Geoinformatics Research Group, Faculty of Computer Science, Brawijaya University, Malang 65145, Indonesia
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Graduate School of Humanities and Social Sciences, University of Tsukuba, Tsukuba 305-8571, Japan
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Department of Physics, Faculty of Mathematics and Natural Sciences, Sriwijaya University, Indralaya 30662, Indonesia
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Departement of Marine Science, Faculty of Marine Science and Fisheries, Hasanuddin University, Makassar 90245, Indonesia
10
Algomarine, Department of Oceanography, Diponegoro University, Semarang 50275, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editor: Ali Khenchaf
Remote Sens. 2021, 13(23), 4833; https://doi.org/10.3390/rs13234833
Received: 26 September 2021 / Revised: 4 November 2021 / Accepted: 25 November 2021 / Published: 28 November 2021
The southern coast of South Sulawesi-Indonesia is known as an upwelling area occurring during dry season, which peaks in August. This upwelling area is indicated by high chlorophyll-a (Chl-a) concentrations due to a strong easterly wind-induced upwelling. However, the investigation of Chl-a variability is less studied along the western coast of South Sulawesi. By taking advantages of remote sensing data of Chl-a, sea surface temperature, surface wind, and precipitation, the present study firstly shows that along the western coast of South Sulawesi, there are two areas, which have high primary productivity occurring during the rainy season. The first area is at 119.0° E–119.5° E; 3.5° S–4.0° S, while the second area is at 119.0° E–119.5° E; 3.5° S–4.0° S. The maximum primary productivity in the first (second) area occurs in April (January). The generating mechanism of the high primary productivity along the western coast of South Sulawesi is different from its southern coast. The presence of river runoff in these two areas may bring anthropogenic organic compounds during the peak of rainy season, resulting in increased Chl-a concentration. View Full-Text
Keywords: primary productivity; chlorophyll-a; precipitation; sea surface temperature; South Sulawesi-Indonesia primary productivity; chlorophyll-a; precipitation; sea surface temperature; South Sulawesi-Indonesia
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MDPI and ACS Style

Wirasatriya, A.; Susanto, R.D.; Setiawan, J.D.; Ramdani, F.; Iskandar, I.; Jalil, A.R.; Puryajati, A.D.; Kunarso, K.; Maslukah, L. High Chlorophyll-a Areas along the Western Coast of South Sulawesi-Indonesia during the Rainy Season Revealed by Satellite Data. Remote Sens. 2021, 13, 4833. https://doi.org/10.3390/rs13234833

AMA Style

Wirasatriya A, Susanto RD, Setiawan JD, Ramdani F, Iskandar I, Jalil AR, Puryajati AD, Kunarso K, Maslukah L. High Chlorophyll-a Areas along the Western Coast of South Sulawesi-Indonesia during the Rainy Season Revealed by Satellite Data. Remote Sensing. 2021; 13(23):4833. https://doi.org/10.3390/rs13234833

Chicago/Turabian Style

Wirasatriya, Anindya, Raden D. Susanto, Joga D. Setiawan, Fatwa Ramdani, Iskhaq Iskandar, Abd. R. Jalil, Ardiansyah D. Puryajati, Kunarso Kunarso, and Lilik Maslukah. 2021. "High Chlorophyll-a Areas along the Western Coast of South Sulawesi-Indonesia during the Rainy Season Revealed by Satellite Data" Remote Sensing 13, no. 23: 4833. https://doi.org/10.3390/rs13234833

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