DOI: https://doi.org/10.14710/ijfst.17.3.%25p

Investigating the Relationship between Sea Surface Temperature and Chlorophyll-a Concentration: An Empirical Finding from the North Coast of Semarang, Indonesia

*Mersi Liwa'u Dina  -  Department of Aquatic Resource, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Mahdy Rohmadoni  -  Department of Geodetic Engineering, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Vina Aulia Firdausa  -  Faculty of Public Health, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Arizal Rusdiyato  -  Department of Environmental Engineering, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Pradita Yusi Akshinta  -  PT Pembangkitan Jawa-Bali, Surabaya, Indonesia
Muhammad Mujiya Ulkhaq  -  Department of Industrial Engineering, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Suryanti Suryanti  -  Department of Aquatic Resource, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Abdul Ghofar  -  Department of Aquatic Resource, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Niniek Widyorini  -  Department of Aquatic Resource, Diponegoro University, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia

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Abstract
This study investigated the relationship between sea surface temperature (SST) and chlorophyll-a (chl-a) concentration in the North Coast of Semarang, Indonesia. The data were collected using Moderate Resolution Imaging Spectroradiometer Satellite (Aqua-MODIS) chl-a level-3 standard mapped image for a period of five years (2015–2019). Due to cloud coverage, monthly averaged data were used in this study. The result shows that monthly averaged SST ranged from 28.1°C to 31.3 °C. This SST is relatively higher in the transition season (especially in the first transition season) compared to the east and west monsoons season. Chl-a concentration ranged from 0.002 mg/m3 to 1.388 mg/m3. This concentration fluctuates according to the seasonal winds. The maximum concentration of chl-a occurred in the west monsoon season, while the minimum one happened in the second transition season. Using the Pearson correlation coefficient, the correlation is -0.092, which indicates a weak negative correlation between SST and chl-a concentration. This study is expected to give an insight into the potential fishing ground since the chl-a concentration can be such an indicator for the presence of fish.

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Investigating the Relationship between Sea Surface Temperature and Chlorophyll-a Concentration: An Empirical Finding from the North Coast of Semarang, Indonesia
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Keywords: SST; Chlorophyll-a; Coastal remote sensing

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Section: Research Articles
Language : EN
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