Impacts of Tropical Cyclone Seroja on the Phytoplankton Chlorophyll-a and Sea Surface Temperature in the Savu Sea, Indonesia

Setiawan, Riza Yuliratno and Susanto, R. Dwi and Wirasatriya, Anindya and Alifdini, Inovasita and Puryajati, Ardiansyah Desmont and Maslukah, Lilik and Nurdin, Nurjannah (2021) Impacts of Tropical Cyclone Seroja on the Phytoplankton Chlorophyll-a and Sea Surface Temperature in the Savu Sea, Indonesia. IEEE ACCESS, 9. pp. 152938-152944. ISSN 2169-3536

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Abstract

Tropical cyclone (TC) Seroja was a rare climatic event in the Indonesian Seas, particularly in the Savu Sea. This unprecedented event, which occurred on April 4, 2021, caused fatalities and severe damage to the region's infrastructure and economy. High spatio-temporal resolution satellite measurements of surface winds (Cross-Calibrated Multi-Platform), surface chlorophyll-a (Himawari-8), and sea surface temperature (SST; RSS OISST) are used to disentangle the impact of extreme wind speed (>10m.s(-1)) on chlorophyll-a and SST. High wind speed associated with TC Seroja induced strong upwelling and vertical mixing in the Savu Sea, which led to phytoplankton blooms and SST depression. An abrupt change of daily variability and positive anomaly in phytoplankton chlorophyll-a concentrations reaches 13 mg.m(-3) and 0.3 mg.m(-3), respectively. At the same time, the SST shows significant cooling up to 3 degrees C. Our results provide novel insights on the exceptional occurrence of a TC within the Indonesian Seas and highlight its impact on chlorophyll-a and SST.

Item Type: Article
Uncontrolled Keywords: Ocean temperature; Sea surface; Oceans; Wind speed; Surface topography; Meteorology; Humidity; Tropical cyclone Seroja; chlorophyll-a; sea surface temperature; Savu Sea
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions: Faculty of Agriculture > Department of Fisheries
Depositing User: Sri JUNANDI
Date Deposited: 14 Oct 2024 02:54
Last Modified: 14 Oct 2024 02:54
URI: https://ir.lib.ugm.ac.id/id/eprint/9393

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