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All Journal Maspari Journal Teknotan: Jurnal Industri Teknologi Pertanian IPTEK The Journal for Technology and Science BERKALA SAINSTEK KERN Jurnal Teknik Pengairan: Journal of Water Resources Engineering Rekayasa Sipil Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Forum Geografi Jurnal Teknik Sipil Jurnal Rekayasa Sipil dan Lingkungan Journal of Applied Geospatial Information Teras Jurnal U Karst Jurnal Aplikasi Teknik Sipil Jurnal Rekayasa Sipil JURNAL SUMBER DAYA AIR Jurnal Teknika Journal of the Civil Engineering Forum PEKAT : Jurnal Pengabdian Kepada Masyarakat Geosfera Indonesia Jurnal Teknologi Sumberdaya Mineral
Entin Hidayah
Department Of Civil Engineering, Faculty Of Engineering, University Of Jember, Kalimantan St. Number 37, Jember, East Java, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Mathematics Physics Public Health Social Sciences Transportation Other

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Performance Assessment of the Semajid River Watershed and Improvement Strategy Through Land Cover Optimization Mohammad Afif Hasan; Entin Hidayah; Indra Nurtjahjaningtyas; Mokhammad Farid Ma’ruf
Journal of Applied Geospatial Information Vol. 10 No. 1 (2026): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v10i1.12303

Abstract

The Semajid River Basin (DAS) faces complex environmental problems, including flooding during the rainy season, drought during the dry season, increased river sedimentation, and uncontrolled land use changes. This study aims to assess the performance of the Semajid Watershed in accordance with the Minister of Forestry Regulation Number 61 of 2014 on Monitoring and Evaluation of Watershed Performance, and to formulate strategies to improve watershed performance through land-cover optimization scenarios. The watershed performance assessment includes criteria for land, water management, socio-economics, building investment value, and space utilization. The evaluation results show that the Semajid Watershed performance value is 113.75, which indicates that the watershed is in the category of needing to be saved. The application of the additional land cover scenario has a significant impact on improving the criteria for vegetation cover and protected areas. The Percentage of Permanent Vegetation Cover (PPV) increased from 5.5% (very high recovery category) to 32.44% (low recovery category), while the value of the protected area criteria decreased from 68.64 to 9.37, indicating an improvement in the ecological condition of the watershed. Although the watershed's carrying capacity increased to 107.5, the Semajid watershed remains in need of restoration. Therefore, restoration of the Semajid watershed requires integrated management that sustainably integrates technical and non-technical efforts.
Analisis Pengaruh Hujan Terhadap Kestabilan Lereng Bangunan Pelimpah Bendungan Tugu, Kabupaten Trenggalek, Jawa Timur Mulyani, Kurnia Dewi; Sadisun, Imam Achmad; Tohari, Adrin; Suparno, Fanteri Aji Dharma; Hidayah, Entin; Nurtjahjaningtyas, Indra; Riady, Gaizka Rabbani
Jurnal Teknologi Sumberdaya Mineral (JENERAL) Vol. 7 No. 1 (2026)
Publisher : Program Studi Teknik Pertambangan Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jeneral.v7i1.60012

Abstract

Kejadian longsoran yang dipengaruhi hujan sering terjadi di Indonesia. Hujan dipahami sebagai faktor yang dapat mempengaruhi peningkatan tekanan air pori dan kenaikan muka air tanah. Penelitian ini menggunakan data pengeboran, sifat mekanik, data curah hujan harian, kondisi hidrogeologi, dan data gempa. Longsoran yang terjadi merupakan longsoran dangkal, dengan kedalaman bidang gelincir 3 meter dibagian atas lereng dan 7 meter dibagian bawah lereng. Bidang gelincir longsoran memiliki bentuk rotasional. Material penyusun longsoran terdiri dari tanah dan batuan yang berasal dari pelapukan batuan vulkanik. Penampang bawah permukaan menunjukkan bahwa terdapat kontak antara breksi tufan lapuk sedang dan breksi tufan lapuk tinggi yang berperan sebagai bidang gelincir. Geologi lereng tersusun dari lava andesit-basaltik, breksi tufan lapuk sedang dan breksi tufan lapuk tinggi. Longsoran dangkal terjadi setelah dipengaruhi hujan hari-hari sebelumnya yang mempengaruhi peningkatan tekanan air pori. Proses terjadinya longsoran diawali dengan munculnya rekahan tarik. Hasil analisis menunjukkan pengaruh curah hujan tinggi secara drastis mempengaruhi penurunan matric suction pada lereng yang menyebabkan terbentuknya rekahan tarik. Pemodelan dilakukan dengan dua simulasi yaitu simulasi dengan pengaruh hujan pendahuluan durasi 47 hari dan pengaruh hujan durasi 10 hari dengan kondisi awal sama. Hasil analisis menunjukkan hujan pendahuluan 47 hari mempengaruhi terjadinya longsoran dibandingkan dengan curah hujan pendahuluan selama 10 hari. Hasil pemodelan durasi 10 hari memiliki nilai faktor keamanan yang lebih tinggi, menunjukkan tidak sesuai keadaan di lapangan karena mengabaikan kondisi hidrogeologi hari sebelumnya. Mekanisme terjadinya longsoran pada area penelitian dipengaruhi oleh tekanan air pori, rekahan tarik dan gempa bumi sehingga didapatkan faktor keamanan sebesar 0.986.
Pemetaan Potensi Sumber Mata Air DAS Bedadung Berbasis Penginderaan Jauh Menggunakan Metode Frekuensi Rasio Entin Hidayah; Ririn Endah Badriani; Alvian Sahal Mahfud
JURNAL SUMBER DAYA AIR Vol 21, No 2 (2025)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v21i2.934

Abstract

The Frequency Ratio (FR) method combined with Geographic Information Systems (GIS) was applied to map groundwater potential in the Bedadung Watershed, Jember Regency, Indonesia. The study was conducted from September 2024 to January 2025 by analyzing 136 spring locations across an area of 9,590.83 km². The main objectives were to identify factors influencing groundwater potential, validate the predictive model using the Area Under the Curve (AUC) method, and produce a detailed groundwater potential map. A total of 14 environmental parameters were considered, including Elevation, slope, and vegetation density. Model validation produced an AUC value of 73.8%, indicating a good level of predictive accuracy. The highest groundwater potential was observed in the sub-districts of Sukorambi, Arjasa, Sukowono, and Kalisat, where more than 50% of the area falls into the very high potential category. In contrast, Panti Sub-district demonstrated limited groundwater availability, with 59% of its area classified as low to very low potential. The resulting groundwater potential map was classified into five categories: very low, low, moderate, high, and very high. These findings provide a scientific basis for sustainable water resource management, emphasizing conservation strategies in high-potential areas and infrastructure development in low-potential zones. The effectiveness of the FR method in spatial analysis is reaffirmed, offering valuable insights for groundwater management in the Bedadung Watershed.
Co-Authors Adam Rifqi Ammarulsyah Adrin Tohari Afif Amiluddin Afriq Fadian Syahya Ageng Dwi Wicaksono Ahmad Rizza Lufafi Akbar, Sabda Alam Akhmad Hasanuddin Aldio Dhiva Pratama Alvian Sahal Mahfud Anik Ratnaningsih Arbi Tri Kuswardhana Audiananti Meganandi Kartini Bachtiar Ilham Maulana Bagas Rahmandita Subchan Billy Satria Nanda Satria Cahyani, Hajar Crisia Cantika Almaz Fildzah Derka, Icha Tatrisya Dian Wahyu Khaulan Novianto Didik Efendi Edijatno Edijatno Edijatno Edijatno Elida Novita Erwan Bagus Setiawan Fachry Abda El Rahman Fahir Hassan Fanteri Aji Dharma Suparno Faradella, Maulida Febriyanto, Andreyan Fidyasari Kusuma Putri Gandhi Teguh Lesmana Gati Annisa Hayu Gatrawan Muchammad Albirru Gusfan Halik Gusfan Halik Gusfan Halik Gusfan Halik Hajar Crisia Cahyani Handini, Devi Ratna Hilma Wasilah Robbani Icha Derka Imam Achmad Sadisun Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indra Nurtjahjaningtyas Indra Nurtjahjaningtyas Jagat Adi Samudra Joice Prasasty September Katminto, Katminto Kurnia Dewi Mulyani Machmud Budi Sulistiyo Mohamad Andhika Rafif Mohammad Afif Hasan Mokhammad Farid Ma'ruf Muhamad Zulvi Alhamda Muhammad Arifin Nadjadji Anwar Nadjadji Anwar Ningsih, Alfiati Nunung Nuring Hayati Nur Alif Ryanto Nur Defitri Herlinda Nur Iriawan Nur Iriawan Pebriyanti, Fista Prabowo Prabowo Prawira, Akbar Bagus Prihantono, Gunawan Eko Purnagusti, Yangga Putri, Art Palupi Pranoto Putu Adetya Pariartha Qatrinnada, Winona Fritzie Putri Rafif, Mohamad Andhika Retnaningtias, Sefti Aryani Retno Utami Agung Wahyono Retno Utami Agung Wiyono Retno Utami Agung Wiyono Riady, Gaizka Rabbani Ririn Endah Badriani, Ririn Endah Rivaldi Dwiky Agustian Rusyidina Tamimi, Rusyidina Saifurridzal, Saifurridzal Setyawan, Roeby Sonia Oktariyanti Sri Wahyuni Sugianti, Devi Hanurani Suparno Suparno Syahya, Afriq Fadian Taqiudin Haq Tedy Pranadiarso Usaamah Hadi Wei Koon Lee Wicaksono, Ega Fajar Wiwik Yunarni Wiwik Yunarni Widiarti Yunarni, Wiwik Zulkifli Yusop