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ANALISIS PERBANDINGAN DEBIT PADA DAS CIMANUK-COPONG KABUPATEN GARUT AKIBAT PERUBAHAN TATA GUNA LAHAN Mardianti, Fira; Permana, Sulwan
JMTS: Jurnal Mitra Teknik Sipil Volume 7, Nomor 1, Februari 2024
Publisher : Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmts.v7i1.26048

Abstract

The transformation of land into cities to meet the needs of urban infrastructure is happening fast. As a result, the hydrological pattern changes, such as land that previously absorbed water slowly becomes less able to absorb water. The area of the Cimanuk-Copong watershed is 469.11 km^2. Comparative analysis of discharge in the Cimanuk-Copong watershed due to changes in land use is the key to identifying changes in river flow and their impact on the environment using the NRECA (National Rural Electric Cooperative Association) model, then the results of this calculation are calibrated. The results of the analysis of the comparison value of the average flow rate in the past (2003-2012) were 9.23 m^3/s, while the present (2013-2021) is 19.81 m^3/s. The results of the calibration of the efficiency coefficient value of the Nash-Sutcliffe (NSE) model of the Cimanuk-Copong DAS are 0.61663 including 0.36<NSE<0.75 (Qualified). The results of the flow rate calibration will be a strong basis in validating the model used in the field. In 2011, the KRS value obtained was 4.00, while in 2019, the KRS value increased to 5.71. These two KRS values are included in the good category according to the DAS Criteria and Indicators. Even so, changes in increase during this period still indicate a decrease in the condition of the watershed. The Cimanuk-Copong watershed is dominated by three main categories where these categories include farmland with an area of 12162.86 ha, paddy fields with an area of 6596.237 ha, and residential areas with an area of 5587.949 ha. Abstrak Transformasi lahan untuk memenuhi kebutuhan infrastruktur terjadi dengan cepat. Akibatnya, pola hidrologi berubah menjadi kurang dapat meresap air. Analisis perbandingan debit pada DAS Cimanuk-Copong akibat perubahan tata guna lahan menjadi kunci untuk mengidentifikasi perubahan aliran sungai dengan menggunakan model NRECA. Model penelitian berupa perbandingan debit aliran akibat perubahan tata guna lahan DAS Cimanuk-Copong Garut. Hasil nilai perbandingan debit aliran rata-rata tahun 2011-2015 yaitu 12,48 m3/det sedangkan tahun 2015-2019 yaitu 18,91 m3 /det. Hasil kalibrasi nilai koefisien efisiensi model Nash-Sutcliffe (NSE) DAS Cimanuk-Copong yaitu 0,56514 ter.masuk 0,36<NSE<0,75 (Qualified). Hasil kalibrasi debit aliran akan menjadi dasar kuat dalam memvalidasi model yang digunakan sesuai di lapangan. Pada tahun 2011, nilai KRS diperoleh adalah 6,16, sedangkan pada tahun 2019, nilai KRS meningkat menjadi 6,30. Kedua nilai KRS termasuk dalam kategori baik menurut Kriteria dan Indikator DAS. Perubahan peningkatan selama periode tersebut mengindikasikan penurunan kondisi DAS. Perubahan tata guna lahan pada DAS Cimanuk-Copong meliputi area permukiman bertambah 4%, bangunan 1960%, hutan bertambah 43%, pada rumput berkurang 26%, pengisi area air berkurang 33%, perkebunan bertambah 17%, sawah irigasi berkurang 9%, sawah tadah hujan berkurang 3%, semak belukar berkurang 43%, dan tanah ladang berkurang 3%. Hasil penelitian menunjukkan bahwa pengaruh perubahan tata guna lahan berpengaruh terhadap debit aliran.
TRANSFORMASI DIGITAL DESA SUKATANI PEMBUATAN PETA DIGITAL DIGITALISASI UMKM APLIKASI KAWAL DESA Permana, Sulwan; Hariri, Rapi Muhamad; Nuralim, Taslim; Alfaruq, Muhammad Haikal; Rinjani, Nabila Putri; Nisa, Salma Aulia; Halimah, Silfi Nur; Rahayu, Puspa Arum; Faridah, Nayla Nur; Ramadhan, Muhamad Alfito Dwi; Hermawan, Tizar Azjah; harom, Ardi Nur; Prananta, Azfa; Fijannatika, Nazma Naya; Fadhil, Raja Naufal; Nazid, Sa’dan Frima M; Bayan, Alamahul; Sanusi, Muhamad Anwar; Rizal, Muhamad Saepul; Nursalim, Fathir Miftah; Nugraha, Yogi; Anwarushofa, Whina; Firdaus Irawan, Ferdy; Sulton, Restu
Jurnal PkM MIFTEK Vol 6 No 2 (2025): Jurnal PkM Miftek
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/miftek/v.6-2.2833

Abstract

Sukatani Village in Cisurupan District, Garut Regency has strong development potential, particularly in agriculture and micro, small, and medium enterprises (MSMEs). However, MSME marketing activities, village administration, and information dissemination have largely relied on manual methods. This program successfully increased digital literacy by 85% among 40 participating MSME actors, improved village administrative efficiency by 60% through the implementation of the Kawal Desa application, and produced a digital administrative map with 95% accuracy. Pre-test results showed that only 25% of MSME actors understood digital marketing, which rose to 90% in the post-test. Socialization of the Kawal Desa application was conducted for 15 village officials and 50 residents, resulting in enhanced transparency in village services. The creation of the village’s digital administrative map provides a clear representation of village boundaries, roads, rivers, the village office, and public facilities in Sukatani Village.
Co-Authors AA Sudharmawan, AA Adi Susetyaningsih Ahmad Tavip Baiturahman Al-Husein, Fajar Alfaruq, Muhammad Haikal Aminah, Siti Nur ANANTA, ASTI Anwarushofa, Whina Anzilal Fauji Aprilianti, Mega Arif, Zaenal Bayan, Alamahul Dadang Permana Eko Walujodjati Fadhil, Raja Naufal Fahril Sidik Alfarizi Fardiansyah, Bagas Farhani, Siti Aulia Faridah, Nayla Nur Fatah, Muhamad Abdu Fijannatika, Nazma Naya Firdaus Irawan, Ferdy Firdausa, Muhamad Arga Firzatullah, Belva Prana Fitriyadi, Adi Giandhani, Mochammad Rizky Gunawar, Agun Hadi, Muhamad Rizal Nurul Halimah, Silfi Nur Hantari, Anjas Ninda Hariri, Rapi Muhamad harom, Ardi Nur Hermawan, Tizar Azjah Hilmayanti, Hilmayanti Ibrahim, Galih Imamudin Imamudin Jamami, Yadziz Siddik Al Khaerunisa, Nisrina Komalasari, Amelia Citra Mulya Kristiawan, Diky Kusumah, Desty Rahmawati LINDAWATI M.Miskun Arrihussalam Maelani, Rega Mardianti, Fira Maulana, Mochamad Dilla Maulina, Wina Senja Moch. Galdiaz Nugraha Prawira Mubarok, Abil Miftahul Muhammad Ali Faishal Muhammad Ridho Muhammad Suryadindin Muhammad, Faiz Mahatir Muharam, Muhammad Faisal Munawar, Arby Muhyi Muthia Mutmainah Aprinelia Nazid, Sa’dan Frima M Nazwa Tiara Herdiani Nisa, Salma Aulia Nugraha, Mochammad Suva Nugraha, Yogi Nurahman, Zamzam Nuralim, Taslim Nurcinta Asih Nurlatifah, Sarah Nursalim, Fathir Miftah Prananta, Azfa Pratama, Aditya Ramdhani Purnama, Alpin Putri, Icha Aulia Rahayu, Puspa Arum Rahma Rohimah Hinaffisah Ramadhan, M. Zilhan Salman Ramadhan, Muhamad Alfito Dwi Ramdani, Junaedi Ramdhani, Tio Rinjani, Nabila Putri Rizal, Muhamad Saepul Rizki Anugrah Munawar Rizky, Muhammad Naufal Rohimat Rohman, Asep Abdul Rosidin, Ahmad Ryan Ardiansyah Sandi Dzulfikar Sanusi, Muhamad Anwar Saputra, M. Sandi Kurniawan Sastradipraja, R Muhammad Arya Fajar Saumi, Ira Nurachma Sifa Nur Maisah Siti Rohmah Suhendi Sukma, Ersa Hermalia Sulastri, Dewi Sulton, Restu Suparman, Tegar Radiansyah Syifa, Syifa Khoirunnisa Yogaswara, Dendi Yulianti, Jihan Zaman, Muhammad Badru