Distribution of chlorophyll-a concentrations in Ombai Strait Waters using aqua-modis satellite image data
Abstrak
Klorofil-a pada perairan adalah salah satu faktor penting yang menentukan produktivitas primer/kesuburan perairan. Pengukuran klorofil-a dapat dilakukan dengan dua cara yaitu secara konvensional dengan pengukuran langsung di lapangan dan secara modern dengan menggunakan pemanfaatan teknologi penginderaan jauh. Tujuan dari penelitian ini adalah untuk mengetahui variasi sebaran klorofil-a di perairan Selat Ombai. Data yang digunakan dalam penelitian ini adalah data bulanan klimatologi level 3 dari tahun 2003–2022 dari satelit Aqua-MODIS (Moderate-Resolution Imaging Spectroradiometer) dengan pendekatan penginderaan jauh dan sistem informasi geografi. Hasil dari penelitian ini adalah konsentrasi klorofil-a tertinggi ditemukan di wilayah pesisir dan konsentrasi terendah ditemukan di perairan lepas pantai. Berdasarkan sebaran klorofil-a bulanan, nilai konsentrasi tertinggi tercatat pada bulan Juli dengan nilai berkisar 0,251-10,486 mg/m3 dengan rata-rata 0,566 mg/m3 dan konsentrasi terendah tercatat pada bulan November dengan nilai berkisar 0,158-2,151 dengan rata-rata 0,427 mg/m3.
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