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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis
Endang Sumarwati S Srimariana
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Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Library & Information Science

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Early Warning System (EWS) for Algal Blooms using Satellite Imagery in Jakarta Bay Tumpak Sidabutar; Endang Sumarwati S Srimariana; Hendrik Cappenberg; Sam Wouthuyzen
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 3 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i3.52627

Abstract

Jakarta Bay is experiencing eutrophication, primarily due to nutrient inflows from agriculture, industry, and urban sources. This abundance of nutrients has led to significant algae blooms. A study using Terra and Aqua MODIS satellite data from 2004 to 2007 monitored these blooms by measuring chlorophyll-a levels. During this period, large-scale fish kills were observed directly related to the algal blooms, as evidenced by high chlorophyll-a concentrations and blooms covering more than a quarter of the bay. Interestingly, not all intense blooms resulted in massive fish kills. The study suggests that this mortality is primarily due to oxygen depletion after peak bloom periods, compounded by poor water circulation in the bay. Using satellite imagery to monitor algal blooms is a practical tool for implementing an early warning system (EWS) in Jakarta Bay. Satellite imagery has proven effective in monitoring these blooms and could help develop an early warning system in Jakarta Bay despite limitations such as cloud cover.
Co-Authors Hendrik Cappenberg Sam Wouthuyzen Tumpak Sidabutar