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All Journal Indonesian Journal of Geography Jurnal Lahan Suboptimal BIOTROPIA - The Southeast Asian Journal of Tropical Biology Journal of Tropical Soils Jurnal Ilmu-Ilmu Pertanian Indonesia agriTECH Forum Geografi Jurnal Media Gizi Indonesia (MGI) JURNAL ENGGANO TERRA : Journal of Land Restoration IRJE (Indonesian Research Journal in Education) Martabe : Jurnal Pengabdian Kepada Masyarakat Edumaspul: Jurnal Pendidikan JURNAL MUTIARA KESEHATAN MASYARAKAT Cendekia : Jurnal Pengabdian Masyarakat UTAMAX : Journal of Ultimate Research and Trends in Education Jurnal Pendidikan Vokasi Otomotif Jurnal Abdi Masyarakat Indonesia Automotive Experiences Jurnal PRIMED:Primary Education Journal atau Jurnal Ke-SD An PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) JURNAL PETERNAKAN SILAMPARI Jurnal Ilmu Kehutanan Jurnal Manusia dan Lingkungan Artinara Jurnal Inspirasi Ilmu Manajemen Jurnal Pendidikan Progresif Journal of Automotive and Mechanical Applied Technology
Bambang Sulistyo
Fakultas Pertanian Universitas Bengkulu
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Veterinary Other

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Journal : Journal of Tropical Soils

 1 
Choosing Different Contour Interval on a Fully Raster-Based Erosion Modeling: Case Study at Merawu Watershed, Banjarnegara, Central Java Sulistyo, Bambang
JOURNAL OF TROPICAL SOILS Vol. 16 No. 3: September 2011
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2011.v16i3.257-266

Abstract

The research was aimed to study the efect of choosing different contour interval to produce Digital Elevation Model on a fully raster-based erosion modeling of The Universal Soil Loss Equation using remote sensing data and a geographical information system technique.  Methods were applied by analyzing all factors that affecting erosion in GIS environment such data were in the form of raster. Those data were R , K, LS, C and P factors. LS factor was derived from Digital Elevation Model by taking flow direction from each pixel into consideration. Research used 3 contour intervals to produce Digital Elevation Model, i.e. 12.5, 25 and 50 meter. C factor was derived from the formula after applying linearly regression analysis between Normalized Difference Vegetation index of remote sensing data and C factor measured directly on the field. Another analysis was the creation of map of Bulk Density used to convert erosion unit as from Mg ha-1mo-1 to mm mo-1. To know the model accuracy,  validation of the model was done by applying statistical analysis and by comparing the result of erosion model (Emodel) with actual erosion (Eactual) which was measured regularly in Merawu watershed. A threshold value of > 0.80 or > 80% was chosen to justify whether the model was accurate or not. The results showed that all Emodel using 3 countour intervals have correlation value of > 0.8. These results were strenghtened with the result of analysis of variance which showing there were no difference between Emodel and Eactual. Among the 3 models, only Emodel using 50 meter countour interval reached the accuracy of 81.13% while the other only had 50.87% (using countour interval 25 meter) and 32.92% (using countour interval 12.5 meter).
Co-Authors Abdul Rauf Agus Budiman Agus Wahyudi Agus Widyianto Amaliah Anshori, Siroj Ibnu Hajar Al Apriliani, Ririn Arjuni, Defi Awalludin Awalludin, Awalludin Ayob, Norhayati Bambang Gonggo Murcitro Bandi Hermawan Budiman, Yosef Danoedoro Danoedoro Danoedoro Danoedoro Darningwati Darningwati Dede Hartono Delvina Sari, Juwita Deny Tri Ardianto DEWI PURNAMA Dongoran, Haddan Eko Nofridiansyah, Eko Emy Yuliantini Episiasi Erwanto Fadhila, Raihan Farnia Sari, Farnia H Hartono H Hartono Hartono Hartono Hartono Hartono Hasanudin Hasanudin Hayatun Nofrida Hendra Alfani, Hendra Herminarto Sofyan Heru Widiyono, Heru Hindarto, Kanang Setyo Ibnu Siswanto Indarwanto Insanul Kamil, Maulana Joko Sriyanto Juwita Delvina Sari Kanang S. Hendarto Ketut Sukiyono Lia Resti Utami Listyaningrum, Noviyanti Listyaningrum, Noviyanti Listyowati, Esi Asyani M. Zulkarnain Yuliarso, M. Zulkarnain Martiana, Dinda Martubi Martubi Maulana Insanul Kamil Maya Anggraini Muhammad Faisal Muhammad Faiz Barchia, Muhammad Faiz Muhammad Nur Alif Mukti Dono Wilopo Mustopa Ramdhon Nopa Yusnilita, Nopa Nur Alif, Muhammad Nur Shabrina Reznani Nurcahyanti, Desy Nurhasanah Nurhasanah Nurhasanah NURULANNINGSIH Nurulanningsih Nurulanningsih, Nurulanningsih Nurwanto, Ahmad Oktoyoki, Hefri Pangestu, Satria Pawoko, Laksono Tejo Prasetyono, Agus Puji Pratama, Feri Dian Prawito, Priyono Priti, Priti Priyono Prawito Priyono Prawito Projo Danoedoro Purwadi, Agus Joko Purwantoro, Agus Putra, Dio Rizki Ade Putri, Febi Rahma Rahmanu Widayat Ratih Utami Ramadhaniati Reflis Rifan Risky Oktami Rochmat Martanto Rosihan, Akhmad Rulia, Rulia S. Hendarto, Kanang Samsul Anam, Samsul Silvy Syukhriani Supiyati . Susilowati Utama, Alip Teguh Adiprasetyo Thomas Sukardi Totok Gunawan Totok Gunawan Totok Gunawan Ully Wulandari, Ully Utama, Olga Satria Tri Utami, Kartika Vikra Zaky Zanovid Vinni Lovita Wardan Suyanto Widyaputra, Gama Yentri Anggeraini, Yentri Yulian Yulian Yunarto, Febri Zainal Muktamar Zaky Zanovid, Vikra