Journal of University of Chinese Academy of Sciences >
Temporal and spatial distribution of groundwater nitrogen pollution and influence factors in Dahe river catchment in Dianchi watershed
Received date: 2012-04-06
Revised date: 2012-04-23
Online published: 2012-04-23
Nitrogen pollution of groundwater in a typical catchment was investigated in order to understand the nitrogen contribution from groundwater to the serious eutrophication in Dianchi lake. The characteristics and patterns of temporal and spatial distribution of nitrogen in groundwater were obtained for the typical river catchment in Dianchi watershed. Additionally, four factors controlling variation in the nitrogen concentrations in groundwater, such as precipitation and N fertilizer applications, were indentified.
Key words： groundwater; nitrogen pollution; eutrophication; Dianchi watershed; Dahe river
WANG Jia-Yin , ZHANG Shi-Tao , WANG Ming-Yu , QI Chang-Wei . Temporal and spatial distribution of groundwater nitrogen pollution and influence factors in Dahe river catchment in Dianchi watershed[J]. Journal of University of Chinese Academy of Sciences, 2013 , 30(3) : 339 -346 . DOI: 10.7523/j.issn.1002-1175.2013.03.010
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