Estimasi laju Erosi/Deposit di Lahan Olahan Kecil Menggunakan Isotop Alam 137Cs dengan Model Grid  

Oleh:

Suhartini, Nita

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: SIGMA: Jurnal Sains dan teknologi vol. 10 no. 2 (Jul. 2007), page 199-205.
Topik: Erosion; Deposit; Environmental Radioisotope; 137Cs

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS25.6 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Investigation of erosion rate estimation has been done using environmental isotope 137Cs. Radiogenic 137Cs contents of the soil can be used to estimate the amount of erosion/deposition in an area with respect to the stable reference site. The investigation aimed to estimate erosion/deposit rate in small cultivated site using ridge and furrow system located in Puncak, Bogor. Sampling of soil was done by using scraper (20 x 50) cm for reference site, and coring (d, 7 cm) for investigation points. Two small cultivated sites were chosen, namely TS3 (50 x 60)m, and TS5 (50 x 60)m. The result showed that net erosion for TS3 and TS5 were -5 t/ha/yr and -39 t/halyr, respectively.

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