[1]郭新亚,杜世勋,宁婷,等.沁河源区水源涵养功能辐射效益研究[J].水土保持研究,2018,25(06):365-369,376.
　GUO Xinya,DU Shixun,NING Ting,et al.Study on Radiation Benefit of Water Conservation Function in the Headstream Area of the Qinhe Basin[J].Research of Soil and Water Conservation,2018,25(06):365-369,376.
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沁河源区水源涵养功能辐射效益研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年06期 页码: 365-369,376 栏目: 出版日期: 2018-10-26
Title:
Study on Radiation Benefit of Water Conservation Function in the Headstream Area of the Qinhe Basin
作者:
郭新亚, 杜世勋, 宁婷, 李霞, 桑满杰, 张梦莹
山西省生态环境研究中心, 太原 030009
Author(s):
GUO Xinya, DU Shixun, NING Ting, LI Xia, SANG Manjie, ZHANG Mengying
Research Center for Eco-Environment Sciences in Shanxi, Taiyuan 030009, China
关键词:
河源区; 水源涵养; 辐射量
Keywords:
headstream area; water conservation; radiation benefit
分类号:
S727.21
摘要:
以沁河源区为例，分析了水源涵养功能空间分布特征，通过构建辐射效益评估模型，估算了其水源涵养辐射量，并对辐射量和水源涵养量进行了对比。结果表明：（1）沁河源区75.40%的区域覆盖着落叶阔叶林和常绿针叶林，土壤以粉砂壤土和壤土为主，渗透性较强，水源涵养量均值234.75 m3，总量3.52亿m3，水源涵养辐射量均值168.41 m3，总量2.14亿m3；（2）99.30%的林地具有水源涵养辐射效益，林地斑块的实际辐射量占供给量的64.89%，辐射总量1.91亿m3；（3）97.12%的草地具有水源涵养辐射效益，草地斑块的实际辐射量占供给量的97.76%，辐射总量0.22亿m3；（4）94.89%的耕地具有水源涵养辐射效益，耕地斑块的实际辐射量占供给量的92.98%，辐射总量0.24亿m3。
Abstract:
The spatial distribution characteristics of water conservation function and radiation benefit were analyzed via constructing a radiation benefit assessment model. The amount of radiation benefit and water conservation function were compared. The results showed that: (1) 75.40% of the study area was covered by deciduous broad-leaved forests and evergreen coniferous forests; loam and silt loam are the main soil types in the study area, these soils have the strong permeability, the mean volume of 234.75 m3 water and a total volume of 0.352 billion m3 water were conserved in the study area, the mean volume of 168.41 m3 water and a total volume of 0.214 billion m3 water were radiated in the study area; (2) 99.30% of forestlands have radiation functions and the actual radiation amount of forest patch accounts for 64.89% of the water conservation capacity, which provide the total amount of radiation of 0.191 billion m3; (3) 97.12% of grasslands and an average of 97.76% of water conservation capacity have radiation function, which provides a total amount of radiation of 2.2 billion m3; (4) 94.89% of farmland and an average of 92.98% of water conservation capacity have radiation functions, which provide a total amount of radiation of 24 million m3.

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备注/Memo

收稿日期:2018-01-03;改回日期:2018-01-19。
基金项目:山西省2017年重点研发计划项目“河源区生态保护红线划定技术研究”（201703D321003）
作者简介:郭新亚(1990-),女,山西临汾人,硕士,主要从事生态评价与修复研究。E-mail:562179087@qq.com
通讯作者:杜世勋(1979-),男,山西晋中人,硕士,高级工程师,主要从事生态评价研究。E-mail:120121828@qq.com

更新日期/Last Update: 1900-01-01