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All Journal Indonesian Journal of Geography Geo Media: Majalah Ilmiah dan Informasi Kegeografian Jurnal Ilmu Lingkungan Tunas Geografi Jurnal Teknosains Geoplanning : Journal of Geomatics and Planning Majalah Geografi Indonesia JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Forum Geografi Jurnal Fisika FLUX JURNAL ILMIAH GEOMATIKA MAJALAH ILMIAH GLOBE Jurnal Sains Dan Teknologi (SAINTEKBU) Jurnal Geografi Jurnal Penelitian Kelapa Sawit Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital ASEAN Journal on Science and Technology for Development Jurnal Penginderaan Jauh Indonesia Journal of Sylva Indonesiana BIO-EDU: Jurnal Pendidikan Biologi Jurnal Pengabdian dan Pengembangan Masyarakat Jurnal Agriment International Journal for Disaster and Development Interface Prosiding Seminar Nasional Teknik Lingkungan Kebumian SATUBUMI Jurnal Spasial: Penelitian, Terapan Ilmu Geografi dan Pendidikan Geografi Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital
Sigit Heru Murti
Departemen Sains Informasi Geografi, Fakultas Geografi, Universitas Gadjah Mada
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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PENDETEKSIAN POTENSI CADANGAN KARBON DI ATAS PERMUKAAN PADA HUTAN MANGROVE DI KUBU RAYA MENGGUNAKAN CITRA ALOS PALSAR Hudaya, Yudi Fatwa; Hartono, Hartono; Murti, Sigit Heru; Hadiyan, Yayan
Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital Vol. 12 No. 1 (2015)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/inderaja.v12i1.3309

Abstract

The need for sufficient forest carbon stock measurement system which encompasses a faster and covering broader geographic area is now growing, one of which is the use of synthetic aperture radar (SAR). The objectives of this study were to demonstrate the advantage of ALOS PALSAR application for carbon quantification in mangroves, which apparently provided better relationship in between the L-band backscatters of ALOS PALSAR and the actual aboveground allometric based forest carbon stock of mangroves, compared with previous studies in other types of forest. i.e in tropics or temperate lowland until mountain forests. The better relationship explained by the coefficient determination (R²) of 62 % based on HH polarization with the equation model of Y = 1647.20 + 6.8288BS_HV + 279.48BS_HV + 2870. While previous studies mentioned the R² were only 16 - 76%. The models obtained subsequently were subjected to total carbon quantification and their distributions were mapped. The quantity of aboveground biomass of mangrove forest in Kubu Raya Regency was (Mega grams) or 5.3 Mt (Mega grams), the quantity of carbon dioxide (CO2) sequestration reached 19 451 Mt (Megagrams) equivalent. The 71,069.21 ha area of mangrove forest has the potential to reduce the rate of GHG (Green House Gas) emissions from forestry sector by 0.76%.
Analisis Kadar Logam Berat Kromium (Cr) dalam Air dan Ikan Akibat Pembuangan Limbah Industri Penyamakan Kulit di Sungai Opak, Piyungan, Bantul, Daerah Istimewa Yogyakarta Jati, Erwika Dora; Murti, Sigit Heru; Susilo, Bowo; Amru, Khaerul; Ningrum, Mutia Herni; Fahmi, Said
Prosiding Seminar Nasional Teknik Lingkungan Kebumian SATU BUMI Vol 5 No 1 (2023): PROSIDING SEMINAR NASIONAL TEKNIK LINGKUNGAN KEBUMIAN (SATU BUMI) KE-V
Publisher : UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/psb.v5i1.11674

Abstract

Sungai Opak merupakan sungai besar di Yogyakarta yang melintasi banyak kawasan industri salah satunya adalah kawasan industri Piyungan. Sejak tahun 2012, jumlah industri Piyungan yang menggunakan logam berat semakin meningkat terutama industri penyamakan kulit. Hal ini, berdampak langsung terhadap Sungai Opak sebagai tempat pembuangan air limbah. Penelitian ini bertujuan untuk mengukur kadar kromium (Cr) di dalam air dan ikan pada Sungai Opak. Pengambilan sampel didasarkan pada metode purposive sampling. Analisis kandungan logam kromium pada air dan ikan menggunakan AAS (Atomic Absorption Spectrophotometer). Lokasi pengambilan sampel ditentukan berdasarkan prioritas yang disusun berdasarkan jumlah dan jenis kegiatan serta distribusi sumber dan jenis pencemar. Parameter yang diukur terhadap 5 jenis titik pengambilan sampel meliputi kromium pada air dan kromium pada ikan. Hasil penelitian menunjukkan bahwa kandungan kromium pada ikan tidak melebihi baku mutu, sedangkan 2 dari 5 titik sampling air memiliki kandungan kromium sebesar sebesar 0,08 dan 0,55 mg/L yang melebihi baku mutu air.
Flood Potential Assessment of the Way Urang Sub-Watershed Based on Peak Discharge Using the Rational Method Zuhrita, Anissa; Wahyu, Hyundra Zakiya Putri; Handayani, Nelly; Milla, Helny Yofin Mega; Safitri, Nabila Zalianti; Murti, Sigit Heru; Sudaryatno
International Journal for Disaster and Development Interface Vol. 5 No. 2 (2025): October 2025
Publisher : Amcolabora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53824/ijddi.v5i2.112

Abstract

Peak discharge is a key indicator for assessing flood potential in a river basin. This study estimates peak discharge in the Way Urang sub-watershed, Pesawaran, Lampung, by integrating remote sensing and Geographic Information Systems (GIS) to derive physical parameters that control surface runoff. The Rational Method was applied, combining the runoff coefficient (C), rainfall intensity (I), and drainage area (A). The runoff coefficient was calculated using the Cook Method, which takes into account soil type, slope gradient, vegetation density, and drainage density. Rainfall intensity was derived from daily records using the Mononobe equation, with time of concentration estimated from the Kirpich formula. Data sources include Sentinel-2 imagery, DEMNAS, rainfall records from 2014 to 2023, and field measurements. The results show a peak discharge of 217.19 m³/s for a basin area of 20.20 km², with a coefficient of variation (C) of 69.20% and an intensity (I) of 55.89 mm/h. High runoff reflects the combined effects of low-infiltration soils, steep slopes, and high annual rainfall. Morphometric measurements yielded a total channel cross-sectional area of 27.91 m² and an estimated bankfull discharge of ~9.53 m³/s, indicating that the channel capacity is far below the peak discharge. This imbalance suggests a high flood potential in downstream areas, particularly in Bunut Village. The findings underscore the importance of integrating spatial data, field surveys, and remote sensing to analyze watershed physical characteristics and to support more effective, spatially informed flood planning and mitigation.
Co-Authors - Hartono Agus Joko Pitoyo Agus Prasetya Agustinus, A.K.A Ahmad Cahyadi **) Ai Siti Patimah Amru, Khaerul Andri Saputra Arina Miardini Arno, Giarno Artha Uli Simatupang Aryaguna, Prama Ardha Binsasi, Remigius Bintoro Saputro Bowo Susilo Bowo Susilo Chatarina Ganis Ratna Wardani Christian S. Imburi Cynthia Permata Sari Defri Mandoza Dhimas Wiratmoko Eko Haryono Erny Poedjirahajoe Erwika Dora Jati Fahmi, Said Giarno Giarno Hadiyan, Yayan Halvina Grasela Saiya Handayani, Nelly Hartono Hartono Hartono Hartono Hartono Hartono Hartono Hartono Hasibuan, Algi Variski Hatma Suryatmojo Hendy Fatchurohman Hudaya, Yudi Fatwa Indra Agus Riyanto Irsan, Laode Muhamad Jati, Erwika Dora Jaya, Risman Khaerul Amru Kurniawan Sigit Wicaksono Langgeng Wahyu Santosa Luthfi Muta'ali Mariah Ulfa Masrur Alatas Milla, Helny Yofin Mega Moehar Maraghiy Harahap Muhammad Pramono Hadi Muhammad Pramono Hadi, Muhammad Pramono Muhammad Sulaiman Mutia Herni Ningrum Netty Dahlah Uar Ningrum, Mutia Herni Ningrum, Ratna Kusuma Nur Aziz Widodo Nurani, Ratna Nurul Astuti, Nurul Pendi Tri Sutrisno Prabang Setyono Pramaditya Wicaksono, Pramaditya Prihantarto, Wikan Jaya Prima Dinta Syam Prima Widayani Projo Danoedoro R. Suharyadi Raras Endarto Raras Endarto Retno Peni Sancayaningsih RETNO PENI SANCAYANINGSIH S Suratman Safitri, Nabila Zalianti Said Fahmi Sanjiwana Arjasakusuma Setyowati, Heratania Aprilia Slamet Suprayogi Slamet Suprayogi Slamet Suprayogi Sri Rahayu Budiani Su Ritohardoyo Sudaryatno Sunarto Sunarto Suprapto Dibyosaputro Suratman Suratman SUWARNO HADISUSANTO Taufik Hery Purwanto Tjahyo Nugroho Adji Totok Gunawan Totok Gunawan Totok Gunawan Totok Gunawan Wa Alimuna Wahyu, Hyundra Zakiya Putri Widhi Himawan Widyatmanti, Wirastuti Wikan Jaya Prihantarto Yanuar Adji Nugroho Yayan Hadiyan Yudi Fatwa Hudaya Yudi Fatwa Hudaya Zuhrita, Anissa Zulfajri, Zulfajri