Check on Area of Soil and Water Conservation Measures in Northwestern Region of Shanxi Province

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Check on Area of Soil and Water Conservation Measures in Northwestern Region of Shanxi Province

更新时间：2024-11-07

- Check on Area of Soil and Water Conservation Measures in Northwestern Region of Shanxi Province
- Issue 4, Pages: 33-38(1999)
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- Published：1999
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Check on Area of Soil and Water Conservation Measures in Northwestern Region of Shanxi Province[J]. 1999, (4): 33-38.
DOI：

Check on Area of Soil and Water Conservation Measures in Northwestern Region of Shanxi Province[J]. 1999, (4): 33-38. DOI：

摘要

利用河龙区间晋西北地区8条一级入黄支流的资料

以及1985年山西省成数抽样调查资料、1989年土地详查资料、1996年土地变更调查资料和1997年在研究区域内采用二阶等距抽样调查得到的数据

结合三川河流域国家一、二期重点治理验收资料

分析确定了晋西北地区水土保持措施的核实率、有效保存面积及分布情况

为大面积计算水土保持措施的减洪减沙效益奠定了良好的基础.

Abstract

According to the annual administrative reports of 8 tributary of the Yellow River from Hekou to Longmen

the data of round number sampling in 1985

detail survey in 1989

land use change survey in 1996 and two-stage sampling in 1997

and combining with acceptance check material of the first and the second period national main harness area in the basin of Sanchuan river

the preservation ratio of the water and soil conservation measures and its distribution have been analysed and determined. This work have made a good foundation for the calculation of benefits soil and water conservation measures on large area.

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