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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Tataloka Jurnal Penelitian Kehutanan Wallacea
Kukuh Murtilaksono
Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian IPB
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science

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Kajian Erosi Tanah menggunakan Isotop 137Cs dan 210Pb Excess di Sub DAS Ciesek, DAS Ciliwung Hulu, Bogor Kukuh Murtilaksono; Ania Citraresmini; Sri Malahayati Yusuf; Taufik Bachtiar; Dwi Mei Lawaswati
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 10 No. 3 (2020): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.10.3.501-510

Abstract

Fallout radio nuclides method has been being applied and developed to study and measure soil erosion for long time. This research aims to predict soil erosion/deposition in Ciesek subwatershed, Upper Ciliwung watershed using natural fallout radionuclides of 137Cs and 210Pb excess. Soil samples were taken using soil core along four transects of different land use types. Soil samples were analyzed using Multi Channel Analyzer (MCA) to obtain inventory value of the radioisotopes. The research shows different distribution pattern of soil erosion/deposition of 137Cs and 210Pb excess isotopes. Application of 137Cs isotope shows soil erosion process under home mix garden and dryland farm, but soil deposition process occurs on bareland. In the contrary, 210Pb excess indicates soil erosion on bare land while soil deposition is under home mix garden and dryland farm. Application of 210Pb excess is more reliable than 137Cs in predicting soil erosion.
Pemetaan sebaran erosi tanah prediksi melalui integrasi model USLE ke dalam Sistem Informasi Geografis Sri Malahayati Yusuf; Kukuh Murtilaksono; Dwi Mei Lawaswati
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 10 No. 4 (2020): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.10.4.594-606

Abstract

The application of USLE model to several watersheds in Indonesia shows the diversity of processes that affect soil erosion. The integration of USLE model into Geography Information System (GIS) is able to provide a spatial distribution of soil erosion classes. This study aims to predict the soil erosion rate in various land cover in Ciesek sub watershed by integrating the USLE model into GIS. Undisturbed and disturbed soil sampling was carried out based on soil map unit, accompanied by observations of soil physic characteristics. Soil erosion prediction was done using the raster calculator with input raster-based data that has a certain spatial resolution. Analysis of the erosion class distribution on various land cover and slope classes was carried out by using the cross tabulation method. The results showed that the very low soil erosion class was dominant in the study location, namely in areas with forest land cover. The highest predicted of soil erosion rate resulted from bare land, followed by moorland and mix garden.
Co-Authors Ania Citraresmini Baba Barus Dessy Arianti Dwi Mei Lawaswati Enni Dwi Wahjunie Taufik Bachtiar Yusuf, Sri Malahayati Zaenal Mubarok