Abstract
Metode jatuhan radioisotop (Fallout Radio Nuclides) telah lama dimanfaatkan dan dikembangkan untuk mempelajari dan mengukur erosi tanah. Penelitian ini bertujuan menduga erosi/deposisi tanah di Sub DAS Ciesek, DAS Ciliwung Hulu menggunakan jatuhan radioisotop 137Cs dan 210Pb excess di alam. Pengambilan sampel tanah dilakukan menggunakan soil core pada empat transek penggunaan lahan yang berbeda. Sampel tanah dianalisis menggunakan Multi Channel Analyzer (MCA) untuk mendapatkan nilai inventori kedua radioisotop tersebut. Hasil penelitian menunjukkan perbedaan pola distribusi erosi/deposisi antara isotop 137Cs dan 210Pb excess. Penggunaan isotop 137Cs menunjukkan proses erosi tanah terjadi pada lahan kebun campuran dan tegalan, tapi proses deposisi terjadi di lahan terbuka. Penggunaan 210Pb excess menunjukkan erosi tanah terjadi di lahan terbuka, namun deposisi terjadi di lahan kebun campuran dan tegalan. Penggunaan 210Pb excess pada penelitian ini lebih dapat diandalkan dibandingkan dengan 137Cs, dalam hal pendugaan erosi tanah
Highlights
Soil samples were analyzed using Multi Channel Analyzer (MCA) to obtain inventory value of the radioisotopes
Application of 137Cs isotope shows soil erosion process under home mix garden and dryland farm, but soil deposition process occurs on bareland
210Pb excess indicates soil erosion on bare land while soil deposition is under home mix garden and dryland farm
Summary
Kajian erosi tanah menggunakan Isotop 137Cs dan 210Pb excess di Sub DAS Ciesek, DAS Ciliwung Hulu, Bogor. Studies of soil erosion using Isotop (137Cs and 210Pb excess) at Ciesek Sub Watershed, Upper Ciliwung Watershed, Bogor. Kukuh Murtilaksono a, Ania Citraresminib, Sri Malahayati Yusuf ac, Taufik Bachtiarb, Dwi Mwi Lawaswatia a Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, Institut Pertanian Bogor, Kampus IPB Darmaga Bogor, 16680, Indonesia [+62 251-629 360] b Pusat Aplikasi Isotop dan Radiasi, BATAN, Jakarta Selatan, 12440, Indonesia [+62 21-7690709] c Pusat Penelitian Lingkungan Hidup, Lembaga Penelitian dan Pengabdian kepada Masyarakat, Institut Pertanian Bogor, Kampus IPB Darmaga Bogor, 16680, Indonesia [+62 251-8621262]
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Schedule a callMore From: Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
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