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All Journal Jurnal Teknika DIGIMAS: Jurnal Transformasi Digital Masyarakat
Icha Tatrisya Derka
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Other

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IDENTIFIKASI KARAKTERISTIK SUB-DAS MENGGUNAKAN DEMNAS DAN SRTM DI SUNGAI BITING Afif Amiluddin; Icha Tatrisya Derka
Jurnal Teknika Vol 17 No 1 (2025): MARET
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jt.v17i1.1263

Abstract

Permasalahan aliran limpasan merupakan salah satu topik hidrologi yang penting dan relevan dalam bidang dinamika lingkungan dan kebencanaan. Meninjau permasalahan tersebut penelitian ini bertujuan untuk menguji sumber data topografi dengan resolusi berbeda, guna memperoleh karakteristik daerah aliran sungai dengan memodelkan aliran permukaan menggunakan SIG dan penginderaan jauh. Dengan menggunakan metode Flow Accumulation (FA) dan Stream Power Index (SPI). Sumber model menggunakan data topografi SRTM dengan resolusi 30 m dan DEMNAS dengan resolusi 8 m. Kedua data di olah dengan metode pengolahan yang sama untuk menghasilkan data Batas DAS, SPI, dan FA. Keandalan model akan divalidasi dengan  survei lapangan dan menggunakan statistik Area Under Curve (AUC). Pengolahan data menunjukan hasil data batas DAS DEMNAS sebesar 9,064.41 ha, SRTM 8,875.95 ha. FA DEMNAS 143,108 km, SRTM 156,133 km. Hasil Validasi menunjukkan nilai SRTM untuk FA 0,943 dan SPI 0.968 untuk DEMNAS, nilai FA 0.97 dan SPI 0.952. Hasil AUC menunjukkan bahwa DEMNAS mempunyai nilai yang lebih tinggi karena nilai resolusinya lebih besar. Resolusi dengan kerapatan yang lebih tinggi menghasilkan pemodelan hidrologi yang lebih presisi dan ketajaman hingga penggunaan skala yang lebih besar.
Pembangunan Saluran Irigasi Tersier Menggunakan Batu Kali Sebagai Upaya Peningkatan Produktivitas Pertanian Icha Tatrisya Derka; Katminto; Adelia Nur Isna; Devi Hanurani
Jurnal Transformasi Digital Masyarakat (DIGIMAS) Vol. 1 No. 2 (2025): DIGIMAS: Jurnal Transformasi Digital Masyarakat
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sumberwaru Village, Sukowono District, Jember is one of the areas where most of the people work in agriculture. However, the current condition of agricultural land is that there are many damaged and dry irrigation channels, while the irrigation channels themselves have an important role in increasing the efficiency of water distribution in agricultural land. Therefore, efforts need to be made to improve the irrigation system to increase agricultural productivity. The first step is to approach the community about the importance of building proper irrigation channels. This activity aims to increase community understanding and participation in the construction of irrigation channels as part of strengthening agricultural infrastructure. The method used is a community participatory approach including socialization and technical training on installing river stones, followed by evaluation. The results of the activity show that community understanding of the importance of building river stone irrigation channels has increased by 20% to 35%, both in terms of knowledge and technically. This activity is expected to be able to support community independence in developing agricultural infrastructure. In addition, increasing agricultural productivity will have an impact on increasing village food security. The evaluation results show that this activity requires costs, so it requires support from both the village government and cross-sector collaboration for the sustainability of infrastructure development on a regular basis.
Co-Authors Adelia Nur Isna Afif Amiluddin Devi Hanurani Katminto