Water Quality Investigaton and Pollution Evaluation of Shallow Groundwater in Typical Sample Area of Chengdu Plain

Tang Xuefang; Wu Yong; Han Libi; Chen Jing; Li Renhai; Deng Dongping; Rong Xinping

doi:10.13961/j.cnki.stbctb.2019.06.024

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Water Quality Investigaton and Pollution Evaluation of Shallow Groundwater in Typical Sample Area of Chengdu Plain

- Water Quality Investigaton and Pollution Evaluation of Shallow Groundwater in Typical Sample Area of Chengdu Plain
- Bulletin of Soiland Water Conservation Vol. 39, Issue 6, Pages: 163-169(2019)
- 作者机构：
  
  1. 成都理工大学环境与土木工程学院,四川,成都,610059
  2. 地质灾害防治与地质环境保护国家重点实验室,四川,成都,610059
  3. 四川省地质工程勘察院,四川,成都,610032
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2019.06.024
  CLC：
- Published：2019
- 稿件说明：
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Tang Xuefang, Wu Yong, Han Libi, et al. Water Quality Investigaton and Pollution Evaluation of Shallow Groundwater in Typical Sample Area of Chengdu Plain[J]. Bulletin of Soiland Water Conservation, 2019, 39(6): 163-169.
DOI：

Tang Xuefang, Wu Yong, Han Libi, et al. Water Quality Investigaton and Pollution Evaluation of Shallow Groundwater in Typical Sample Area of Chengdu Plain[J]. Bulletin of Soiland Water Conservation, 2019, 39(6): 163-169. DOI： 10.13961/j.cnki.stbctb.2019.06.024.

摘要

[目的] 开展成都平原区浅层地下水水质调查与污染评价，为该区域开展土壤和地下水资源保护、合理开发利用地下水资源提供理论依据。[方法] 在成都平原典型样区采集了60个浅层地下水样，分析水样的pH值、溶解性总固体、总硬度、氯化物、氨氮、氟化物、硝酸盐、亚硝酸盐、硫酸盐、铁、锰等11项指标。利用层级阶梯评价法和主成分分析法对研究区浅层地下水水质进行评价，并用MapGIS绘制了水质综合评价图。[结果] 研究区浅层地下水部分指标超标，尤其是硝酸盐污染较严重，其次是总硬度、铁和锰。[结论] 研究区地下水质量总体较好，局部地区有一定程度污染。

Abstract

[Objective] The quality survey and pollution assessment of shallow groundwater was conducted in Chengdu plain in order to provide theoretical basis for soil and groundwater resources protection and the rational development and utilization of groundwater resources in this region.[Methods] Sixty shallow groundwater samples were collected in the typical sample area of Chengdu plain

and 11 indicators including the pH value

total dissolved solids

total hardness

chloride

ammonia nitrogen

fluoride

nitrate

nitrite

sulfate

iron and manganese were analyzed. The groundwater quality in the study area was evaluated by the hierarchical ladder evaluation method and principal component analysis method (PCA). And the comprehensive evaluation map of water quality was drawn by MapGIS.[Results] Some indicators of shallow groundwater in the study area exceeded the standard

especially nitrate pollution

followed by total hardness

iron and manganese.[Conclusion] The groundwater quality in the study area is generally good

except for a certain degree of pollution in some areas.

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