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All Journal PRISMA FISIKA Jurnal Laut Khatulistiwa
Kusumaningsih, Alvianita Rika Putri
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Energy Physics Other

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Penentuan Kedalaman Lapisan Gambut Menggunakan Ultra Ground Penetrating Radar untuk Estimasi Cadangan Karbon di Kecamatan Pedamaran Kusumaningsih, Alvianita Rika Putri; Nugroho, Djoko; Ivansyah, Okto; Azwar, Azrul
PRISMA FISIKA Vol 7, No 3 (2019)
Publisher : Jurusan Fisika, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1513.797 KB) | DOI: 10.26418/pf.v7i3.38655

Abstract

Telah dilakukan penelitian tentang estimasi cadangan karbon yang ada di Kecamatan Pedamaran, Ogan Komering Ilir berdasarkan data kedalaman gambut yang diperoleh dari alat ultra ground penetrating radar (GPR). Penelitian ini menggunakan 12 lintasan dengan panjang lintasan berkisar antara 260 m sampai dengan 500 m. Radargram yang diperoleh dari GPR diolah dengan menggunakan perangkat lunak ReflexW untuk mendapatkan nilai kedalaman gambut di lokasi penelitian. Berdasarkan hasil pengolahan data, diperkirakan kedalaman gambut berkisar antara 1,20 m hingga 8,45 m. Dari data kedalaman ini dapat diperkirakan total volume gambut yang ada di lokasi penelitian yaitu . Volume gambut dengan kematangan fibrik sebesar sedangkan volume gambut pada tingkat kematangan hemik sebesar . Hasil penelitian menunjukan bahwa cadangan karbon yang ada dilokasi peelitian diperkirakan sebesar 203,3 juta ton. Kata Kunci: Cadangan Karbon, Kedalaman Gambut, Pedamaran, Ultra GPR.
Tren Sea Surface Temperature Pada Monsun Timur di Perairan Indonesia Berdasarkan Data Reanalisis Copernicus Marine Kusumaningsih, Alvianita Rika Putri; Pitriani, Pitriani; Sukma, Nimaz Tegar
Jurnal Laut Khatulistiwa Vol 9, No 1 (2026): February
Publisher : Dept. Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/lkuntan.v9i1.104191

Abstract

Sea Surface Temperature (SST) is an important oceanographic parameter that is sensitive to seasonal variability and climate change. Indonesian waters experience strong SST dynamics, particularly during the east monsoon (June–August), which are influenced by monsoonal winds and oceanographic processes such as upwelling. This study aims to examine the variability, anomalies, and long-term trends of SST during the east monsoon in Indonesian waters. The study uses SST reanalysis data from the Copernicus Marine Service for the period 2005–2025 with a spatial resolution of 1/12°. The analysis includes the calculation of annual mean east monsoon (JJA) SST, SST anomalies relative to climatological values, and long-term trends using linear regression and the Mann–Kendall test. The results show that east monsoon SST exhibits interannual variability, with values ranging from approximately 28.1 to 29.3 °C. SST anomalies indicate noticeable year-to-year variations. Trend analysis reveals a statistically significant increase in SST during the east monsoon, with a warming rate of about 0.03–0.04 °C per year. These results indicate that ocean warming continues to occur even during the east monsoon period, which is typically associated with surface cooling. The findings provide important insight into changes in sea surface temperature in Indonesian waters and may support further studies on climate change impacts on marine ecosystems and the management of marine resources.
Co-Authors Azrul Azwar Djoko Nugroho Okto Ivansyah Pitriani, Pitriani Sukma, Nimaz Tegar