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辽河保护区退耕封育措施消减污染物入河量估算

高艳妮 杨彩云 冯朝阳 杨春艳 孙倩莹

高艳妮, 杨彩云, 冯朝阳, 杨春艳, 孙倩莹. 辽河保护区退耕封育措施消减污染物入河量估算[J]. 环境工程技术学报, 2020, 10(4): 539-544. doi: 10.12153/j.issn.1674-991X.20200028
引用本文: 高艳妮, 杨彩云, 冯朝阳, 杨春艳, 孙倩莹. 辽河保护区退耕封育措施消减污染物入河量估算[J]. 环境工程技术学报, 2020, 10(4): 539-544. doi: 10.12153/j.issn.1674-991X.20200028
GAO Yanni, YANG Caiyun, FENG Chaoyang, YANG Chunyan, SUN Qianying. Estimation of pollutants into river reduced by measures of returning cropland to enclosure in Liaohe Conservation Area[J]. Journal of Environmental Engineering Technology, 2020, 10(4): 539-544. doi: 10.12153/j.issn.1674-991X.20200028
Citation: GAO Yanni, YANG Caiyun, FENG Chaoyang, YANG Chunyan, SUN Qianying. Estimation of pollutants into river reduced by measures of returning cropland to enclosure in Liaohe Conservation Area[J]. Journal of Environmental Engineering Technology, 2020, 10(4): 539-544. doi: 10.12153/j.issn.1674-991X.20200028

辽河保护区退耕封育措施消减污染物入河量估算

doi: 10.12153/j.issn.1674-991X.20200028
详细信息
    作者简介:

    高艳妮(1984—),女,博士,主要从事生态资源资产评估研究,gaoyn@craes.org.cn

    通讯作者:

    杨彩云 E-mail: 792519305@qq.com

  • 中图分类号: X522

Estimation of pollutants into river reduced by measures of returning cropland to enclosure in Liaohe Conservation Area

More Information
    Corresponding author: YANG Caiyun E-mail: 792519305@qq.com
  • 摘要: 为了定量评估辽河保护区退耕封育措施在控制面源污染方面的作用,利用高分辨率遥感影像分析了2010—2018年辽河保护区农田面积变化,并基于源强系数法估算了各年农田地表径流污染物入河量。结果显示:2010年辽河保护区河流两岸分布着大量农田,面积约为627.13 km2,占辽河保护区总面积的33.55%,农田地表径流COD和NH3-N入河量分别为1 864.79和372.96 t/a;2011年随着退耕封育措施的实施,农田面积降为155.63 km2,约减少了75.18%,仅零散分布于河流两岸,农田地表径流COD和NH3-N入河量减至419.55和83.91 t/a;2012—2018年农田面积和地表径流污染物入河量与2011年基本持平;与2010年相比,2011—2018年退耕封育措施累积消减农田地表径流COD和NH3-N入河量分别为11 734.49和2 346.90 t。

     

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出版历程
  • 收稿日期:  2020-02-28
  • 刊出日期:  2020-07-20

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