Using δ<sup>15</sup>N- and δ<sup>18</sup>O-Values To Identify Nitrate Sources in Karst Ground Water, Guiyang, Southwest China

Liu, Cong‐Qiang; Li, Si‐Liang; Lang, Yunchao; Xiao, Huayun

doi:10.1021/es0610129

Public

Using δ15N- and δ18O-Values To Identify Nitrate Sources in Karst Ground Water, Guiyang, Southwest China

Published in Environmental Science & Technology • Oct 11, 2006

Authors:

Cong‐Qiang Liu

Si‐Liang Li

Yunchao Lang

Abstract

Nitrate pollution of the karstic groundwater is an increasingly serious problem with the development of Guiyang, the capital city of Guizhou Province, southwest China. The higher content of NO3- in groundwater compared to surface water during both summer and winter seasons indicates that the karstic...

Subject

Groundwater

Nitrate

Karst

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