[1]ZHANG Jun,LI Peng,TANG Runmang,et al.Zoning of Agricultural Non-Point Source Pollution in Dan-Han River Basin in Shaanxi Province[J].Research of Soil and Water Conservation,2017,24(02):325-329.
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Zoning of Agricultural Non-Point Source Pollution in Dan-Han River Basin in Shaanxi Province
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
24
Number of periods:
2017 02
Page number:
325-329
Column:
Public date:
2017-04-28
- Title:
- Zoning of Agricultural Non-Point Source Pollution in Dan-Han River Basin in Shaanxi Province
- Keywords:
- agricultural non-point source pollution; Dan-Han River Basin; sensitive zone; pollution types
- CLC:
- X32
- DOI:
- -
- Abstract:
- Agricultural non-point source pollution (ANPSP) is an important cause of surface water quality deterioration. The Dan-Han River Basin is the major water sources of the middle route of the South to North Water Diversion Project. Zoning management and classified control implemented for ANPSP will further ensure the water quality safety of the middle route. We took 27 counties (or districts) in Dan-Han River Basin in Shaanxi Province as basic units, the sensitivity assessment and pollution type identification of ANPSP were calculated using the methods of index of water quality, cluster analysis and the equivalent pollution loading. Finally, the pollution control zones were determined. The results show that:(1) the sensitive zones of ANPSP of Dan-Han River Basin were divided into five levels, taking the central city as the core, the main stream as the axis trace, and decreasing on both sides of the main stream from the north-south, this distribution pattern of sensitive zone based on the sensitivity has been formed; (2) the control types of ANPSP included three basic types, such as agricultural cultivation, livestock and poultry breeding, life discharge; (3) the higher levels of sensitive zone were, the more complex pollution types were.
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1900-01-01