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Donny Harisuseno
Jurusan Teknik Pengairan Fakultas Teknik Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics

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Journal : Geosfera Indonesia

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Evaluation of Catchment area delineation Methods: Comparison of TOPAZ on WMS with HEC-HMS 4.12 Setiyowati, Yunita Ayu; Harisuseno, Donny; Sajali, M. Amar
Geosfera Indonesia Vol. 10 No. 2 (2025): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v10i2.53253

Abstract

The delineation of catchment areas plays a crucial role in hydrological modeling, influencing water resource management and flood analysis. However, differences in Digital Elevation Model (DEM) resolutions and processing methods can significantly affect the accuracy of delineation results. This study aims to evaluate the differences in catchment area delineation using Hydrologic Engineering Center-Hydrologic Modeling System (HEC-HMS) 4.12 and Watershed Modeling System (WMS) TOPAZ across three DEM resolutions: DEMNAS (8.29 m), ASTER (30 m), and SRTM (90 m). The methodology involves processing DEM data using both software tools, comparing catchment area, main river length, and basin length derived from each resolution. The analysis reveals that higher DEM resolution results in greater similarity between the two methods. At an SRTM resolution of 90 m, the delineated catchment area is 1474.41 km² (WMS) and 1468.03 km² (HEC-HMS), whereas at an 8.29 m DEMNAS resolution, it is 1462.64 km² (WMS) and 1462.91 km² (HEC-HMS). Additionally, significant differences are observed in the main river length, with 44,368.54 m (WMS) and 34,960.17 m (HEC-HMS) at 90 m resolution, and 58,195.71 m (WMS) and 42,537.38 m (HEC-HMS) at 8.29 m resolution. These findings highlight the importance of selecting an appropriate DEM resolution to ensure accurate and consistent hydrological delineation.
Co-Authors A Tefa, Marcorio Abdillah, Rusdan Aditama, Dimas Hafiz Aji, Yahya Muchaimin Akbar, Bagus Almira, Aufa Hanan Andre Primantyo Hendrawan Anggara WWS anggun sugiarti, anggun Aprilansi, Ledib Aprilia, Anindi Atthahirah, Mutiara Azhar, Rifqi Fajar Azizah, Salma Bachtiar, Yusra Syarifah Beselly Putra, Sebrian Mirdeklis Cipta, Dara Marreta Deni Indarwati Dewita, Monika Dian Chandrasasi Dian Sisinggih Dwi Priyantoro Dwirani, Yosie Eka Wulandari Srihadi Putri, Eka Wulandari Srihadi Emma Yuliani Endang Purwati RN Erfarras, Nadia Nahda Ery Suhartanto Estefanus Wolok Evi Nur Cahya Fidari, Jadfan Firdaus, Alfian Firdaus, Novinda Faizah Firmanda, Rifco Ray Fitriah, Faizah Friyana, Acha Octa Gilang Y. Juantari Guntoro, Dani Eko Guntoro, Dani Eko hari siswoyo Harjono, Marie Augustin Alvidian Pangestuti Ais Hartina Sahabuddin Hastina, Hastina Herdita, Chintya Ayu Permata Herdita, Chintya Ayu Permata Ima Sholikhati Jadfan Sidqi Fidari Lalu Sigar Canggih Ranesa, Lalu Sigar Canggih Lily Montarcih Limantara Listya, Amifta Farah M. Amar Sajali M. Nurul Huda Maharani, Brigitta Vidia Maharani, Yasinta Surya Mahyaya M. Rahman Moh. Sholichin Mohammad Bisri Mohammad Rahdiansyah Batubara, Mohammad Rahdiansyah Mohammad Taufiq Muarifah, Aulia Rahmawati Muhammad, Aulia Nastiti, Nadia Sari Nomleni, Aprianto Novita, Firda Nuariman, Panji Anom Nurcahyaningtyas, Devi Nurviana, Syelawati Citra Kartika Partarini, Ni Made Candra Patabang, Steven Tandi Pramestiningrum, Novita Pribadi, Laurentius Prasetya Puspasari, Ria Puteriana, Shintya Agustien Putra, Farhan Akbar Darma Putranto, Yoyok Dwi Qur'ani, Nila Putri Gading Rachmadini Chandrarien, Ahayu Rahma, Novi Fadhilah Rahmah Dara Lufira Rakhmawati, Dinia Dwi Rifnawati, Vina Rini Wahyu Sayekti Rini, Syafadilla Enggar Rispiningtati Rispiningtati Riyanto Haribowo Rizal Arifuddin K. Rubiantoro, Prasetyo Sandi, Yohan Alfanii Sapto Dwi Hari Oktavianto Sari, Devi Puspita Sariyanti, Ni Komang Yuli Setiawan, Indra Wahyu Setiyowati, Yunita Ayu Shabrina, Salsabila Sidqi Fidari, Jadfan Sitepu, Haniyah Sonora, Windy Ellprimus Sri Wahyuni Suhardjono Suhardjono Sumiadi , Sumiadi Suteja, Yanuarning Tyas Dwi Safitri Tri Budi Prayogo, Tri Budi Tri Juwono, Pitojo Tri Kurniawati, Tri Ussy Andawayanti Very Dermawan Visi Murpratiwi, Aisyah Welkis, Davianto Frangky Widandi Soetopo Widyaningrum, Anditya Ika WIJAYANTI, SILVIA DEWI Wijayanto, Andy Wiyono Wit Saputra, Anggara Yan P. S. Tampani, Yan P. S. Yanuar Hendra Pramana, Yanuar Hendra Yunus Fallo