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[1]TANG Xiang-yu,YANG Hao,ZHAO Qi-guo,et al.Preliminary Estimate of Soil Erosion Rate on Red Soil Developed From Red Sandstone Using 137Cs Measurements[J].Research of Soil and Water Conservation,2002,9(01):121-125.

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Preliminary Estimate of Soil Erosion Rate on Red Soil Developed From Red Sandstone Using ¹³⁷Cs Measurements

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 9 Number of periods: 2002年01期 Page number: 121-125 Column: Public date: 1900-01-01

Title:: Preliminary Estimate of Soil Erosion Rate on Red Soil Developed From Red Sandstone Using ¹³⁷Cs Measurements

Author(s):: TANG Xiang-yu, YANG Hao, ZHAO Qi-guo, LI Ren-ying; Institute of Soil Science, the Chinese Academy of Sciences, Nanjing 210008, China

Keywords:: ¹³⁷Cs technique; Haplic red soil; soil erosion; red soil

CLC:: S157.1;TL99

DOI:: -

Abstract:: The destruction of vegetational cover in the region developed from red sandstone results in severe soil erosion. ¹³⁷Cs technique was used to investigate soil erosion occurred within a small catchment developed from red sandstone. The local ¹³⁷Cs reference inventory was determinated to be 2 014 Bq m^-2.¹³⁷Cs exhibits peak vertical distribution in uncultivated soils, with a maximum vertical distribution depth less than 15 cm. However, it is uniformly distributed within the plough layer, and decreases sharply in activity below the plough layer. Typical transects case study shows that soil erosion rates on the upper sloping farmland is usually higher than that on the lower sloping farmland, and soil loss from cultivated land on the crest with a relatively small total area is usually higher than that with a relatively large total area. Generally, soil erosion on the sloping farmland is severe.

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Last Update: 1900-01-01