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~7Be IN FALLOUT INTERCEPTION AND ABSORPTION BY SLOPE PLANTS AND THE IMPACT FACTORS
Authors
刘普灵
张风宝
+3 more
李占斌
杨明义
田均良
Publication date
1 January 2008
Publisher
Abstract
对坡面植物在生长期内7Be含量的动态变化进行研究,发现随着生长植物在生长期内7Be含量增加,单位面积上植物截留吸收7Be量增加;研究区坡面7Be的植被截留吸收率为3.35%~8.44%,说明植被覆盖对土壤中7Be含量有重要的影响。同时还发现,不同采样间隔期7Be日均增量不定,在整个采样期内变异性大,变异系数为0.69,但从春季到夏季的前4个采样间隔期变异性相对较小;不同采样间隔期7Be日均增量和日均降雨量呈正比,相关系数为0.64
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018