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Fitrianingtyas, Rahmawati
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Earth & Planetary Sciences Education Energy Materials Science & Nanotechnology Physics

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Temporal-Spatial Variations Analysis of Surface Temperature in Kalimantan Region for The Period of 2010 - 2020 Fitrianingtyas, Rahmawati; Palupi, Indriati Retno
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 21, No 1 (2024): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v21i1.17507

Abstract

Surface temperature information is important to study because it affects other climate parameters and has an impact on various sectors. This study aims to analyze the temporal and spatial variations of maximum surface temperature on Kalimantan Region during the period 2010 to 2020. The data used is Surface Maximum Temperature (SMT) in the form of a 0.5o x 0.5o grid from the Climate Prediction Center (CPC) NOAA PCL. The results of the temporal analysis showed that the highest monthly SMT values occurred in May (32.00o C) and September (31.75o C). While the lowest monthly SMT values were found in January (30.88o C) and July (31.40o C).  The results of the annual SMT trend analysis show that the surface temperature in the Kalimantan Region has increased at an average rate of 0.03°C per year. This value is higher than the increase in global surface temperature (~0.02°C per year). Based on the results of spatial analysis, it was known that the distribution of SMT on Kalimantan Region tends to be stable in the range of 25o C to 35o C throughout the year. Spatial analysis of SMT in 2011 showed that low values (25o - 31o C) dominated South Kalimantan Province , while high values (33°C - 35°C) dominated West Kalimantan Province. The results of the 2019 SMT spatial analysis revealed a similar pattern to 2011. However, there was a significant increase in temperature compared to 2011, especially in the high SMT values observed in West Kalimantan and East Kalimantan Provinces.
Analisis Euler Deconvolution untuk Mengidentifikasi Patahan Lembang Berdasarkan Data Gravitasi GGMplus Aziz, Khafidh Nur; Fitrianingtyas, Rahmawati; Darmawan, Denny; Laatifah, Laatifah
Jurnal Geofisika Vol 21 No 2 (2023): Jurnal Geofisika
Publisher : Himpunan Ahli Geofisika Indonesia (HAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36435/jgf.v21i2.558

Abstract

Sesar Lembang mengalami pergerakan 6 mm/tahun dan memiliki prediksi gempa dengan magnitudo 6,8. Tujuan dari penelitian ini adalah mengetahui korelasi data gravitasi GGMplus terhadap data gravitasi TOPEX dan pola sebaran Anomali Bouger Lengkap (ABL) GGMplus, mengidentifikasi posisi dan kedalaman sumber anomali Sesar Lembang berdasarkan analisis Euler Deconvolution, dan memodelkan struktur bawah permukaan Sesar Lembang. Penelitian ini menggunakan data GGMplus dan TOPEX. Data gravity disturbance GGMplus akan digunakan dalam perhitungan koreksi terrain untuk mendapatkan nilai ABL, pemisahan anomali, analisis Euler Deconvolution, dan pemodelan 2D. Hasil penelitian menunjukkan korelasi data gravitasi GGMplus dan TOPEX sebesar 0,871. Nilai ABL daerah penelitian dalam rentang 8 mGal hingga 37 mGal. Kedalaman sumber anomali Sesar Lembang dalam rentang 820 m – 1096 m dan memiliki 4 formasi batuan, Formasi Cilanang, Formasi dari hasil gunung api tua, Tufa Berbatuapung, dan Formasi Tufa Pasir. Formasi yang mendominasi adalah Formasi Cilanang dengan densitas 2,52 – 2,83 dan bersesuaian dengan batu gamping.
Co-Authors Aziz, Khafidh Nur Denny Darmawan Indriati Retno Palupi, Indriati Retno Laatifah, Laatifah