生态环境学报Issue(8)：1401-1407,7.
山东省地下水硝酸盐溯源研究
A study on the source tracing of groundwater nitrate in Shandong province
摘要
Abstract
The groundwater samples were collected in the rural areas of Shandong province, and the samples which NO3--N concentrations were above 10 mg·L-1 were preprocessed by the method of ion exchange chromatography in order to trace the contaminant sources. At the same time, the native plants, chemical fertilizers, animal and human manures and soils were also collected, and these samples were used forδ15N determination for improving the database of existing NO3--δ15N value. The results showed that the proportion of nitrate contaminants which came from manures and chemical fertilizers were 35.45% and 27.1%respectively, and the contaminants of remaining 37.45% groundwater samples were mixed from sewages, chemical fertilizers and manures;the isotope composition of those groundwater samples which NO3--N average concentration higher than 20 mg·L-1 were further analyzed for Yantai and Weifang regions, the results showed that 55.56%contaminated groundwater samples were resulted from manures, and 5.56%from chemical fertilizers, 38.88%from mixed contamination of fertilizers, manures and sewages in Yantai region;and 16.13%contaminated groundwater samples were resulted from manures, 48.39%from chemical fertilizers, 35.48%from the mixed contamination of fertilizers, manures and sewages in Weifang region.关键词
山东省/地下水/硝酸盐/溯源Key words
Groundwater/Shandong province/nitrate/stable isotope分类
资源环境引用本文复制引用
李玉中,贾小妨,徐春英,王庆锁,李巧珍..山东省地下水硝酸盐溯源研究[J].生态环境学报,2013,(8):1401-1407,7.基金项目
国家重大专项课题“华北村镇地下饮用水安全保障技术研究与示范” （）
