ESTIMATION OF THE SALT BURDEN OF IRRIGATION DRAINAGE WATERS

被引:14
作者
JURY, WA
PRATT, PF
机构
[1] Dept. Soil Environ. Sci., Univ. California, Riverside, Calif. 92521, United States
关键词
D O I
10.2134/jeq1980.00472425000900010030x
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The problem of predicting salt concentrations and mass emissions below irrigated fields is studied with three models, ranging from an inert proportional model frequently used by water quality regulatory agencies, to steady state and transient models which include chemical reactions as well as salt transport. Calculations of salt movement are made for four waters and three leaching fractions, for depths up to 450 cm below the surface. Results suggest that the steady-state and proportional models are not appropriate for estimating the salt burden of irrigated fields on underlying ground water.
引用
收藏
页码:141 / 146
页数:6
相关论文
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