Economic costs of reservoir sedimentation: A regional approach to estimating cropland erosion damage
Economic costs of reservoir sedimentation: A regional approach to estimating cropland erosion damage
复制标题
水库沉积的经济成本：估计农田侵蚀损害的区域方法
DOI：
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发表时间：
1987
期刊：
影响因子：
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通讯作者：
B. Crowder
中科院分区：
文献类型：
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作者：
B. Crowder
摘要：一项估算湖泊和水库泥沙损失的区域性方法表明，每年损失的水量占全国蓄水量的0.22%。其中，平均24%是由于农田土壤侵蚀造成的。来自农田沉积物的最大储水能力损失发生在美国中部。全国每年对储存能力的损失从5.97亿美元到8.19亿美元不等，其中农田的贡献为1.44亿美元到1.97亿美元。
ABSTRACT: A regional approach to estimating sediment damages in lakes and reservoirs indicated that 0.22% of the nation9s water storage capacity is lost annually. Of this, an average of 24% is due to soil erosion on cropland. The greatest water storage capacity losses from deposited sediment originating on cropland occurred in the central United States. Annual national damages to storage capacity ranged from $597 million to $819 million, with cropland9s contribution being $144 million to $197 million.