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Reason and prevention measures of nitrogen pollution in groundwater at Yinchuan Area(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2005年第03期
Page:
100-103
Research Field:
Publishing date:

Info

Title:
Reason and prevention measures of nitrogen pollution in groundwater at Yinchuan Area
Author(s):
JI Ya-dong 1; ZHANG Li2; Q IAN Hui1
1.School of Environment Sciences and Engineering,Chang’ an University, Xi’ an 710054,China; 2. Ningxia Proviuce Institute of Geological Survey, Yinchuan 750021,China
Keywords:
Yinchuan Area;  groundwater;  the water quality;  3-Nitrogen;  nitrogen pollution
PACS:
P641.3;X523
DOI:
-
Abstract:
By analyzing the monitoring data of the quality of groundwater at Yinchuan Area from 1991 to 2000, this paper concludes the current situation of nitrogen pollution is serious, especially ammonia pollution.moreover, concludes the factors that the phreatic aquifer is polluted by nitrogen is the excessive use of chemical fertilizerin the farmlands and the leakage of the surface polluted-water and the factor that causes the confined aquifer to be polluted by nitrogen is that the excessive exploiting the confined aquifer causes increased phreatic water recharge to the confined aquiter. The corresponding measures of preventing nitrogen pollution are presented.

References:

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Last Update: 1900-01-01