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Soil erosion and deposition rates in a cultivated catchment area in central Greece, estimated using the 137Cs technique by S.P. Theocharopoulos; H. Florou; D.E. Walling; H. Kalantzakos; M. Christou; P. Tountas; T. Nikolaou is a Agricultural and Biological Sciences article available to read on EtoBox.

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The spatial variation of soil erosion and deposition rates was studied in a small catchment cultivated by rainfed agriculture, in the Mouriki area, Viotia Greece, using the 137 Cs technique. A 25 m grid was established parallel to the slope and the 137 Cs inventories were defined for the grid points. After establishing the local reference inventory, the soil erosion and deposition rates were estimated using the 137 Cs residuals for individual points on the grid in conjunction with the four conversion (calibration) models described by Walling and He (2001) [Models for converting 137 Cs measurements to estimates of soils redistribution rates on cultivated and uncultivated soils]. The conversion models were validated by means of sensitivity analysis and using local experimental data. The resulting estimates of soil redistribution rates were interpolated by means of kriging, using Surfer Golden software. The magnitude of the soil erosion rates depend on many factors, including the location of the sampling point, the local slope, and the soil properties. The mass balance model 2 (MBM2) and mass balance model incorporating soil movement by tillage (MBM3) conversion models predict soil re

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Author

S.P. Theocharopoulos; H. Florou; D.E. Walling; H. Kalantzakos; M. Christou; P. Tountas; T. Nikolaou

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0167-1987)

Published

2003

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)