收稿日期: 2009-04-09
修回日期: 2009-05-04
网络出版日期: 2009-11-15
基金资助
中国科学院"百人计划"项目资助
Numerical modeling of groundwater contamination from non-point sources of nitrogen in agricultural ecosystems
Received date: 2009-04-09
Revised date: 2009-05-04
Online published: 2009-11-15
虞子婧 , 王明玉 , 王辉民 . 农业生态系统地下水氮面源污染数值模拟[J]. 中国科学院大学学报, 2009 , 26(6) : 774 -780 . DOI: 10.7523/j.issn.2095-6134.2009.6.007
A numerical model is presented for simulating groundwater contamination from the non-point sources of nitrogen in an agricultural ecosystem. We successfully established a model based on only the short-term and limited observed field data and field tests through the reasonable conceptualizations, stepwise parameter calibrations, and process integrations, which made the calibrated model more reliable. The recharge rates and nitrogen loading into groundwater were obtained by the inverse modeling approach. The results obtained would be informative for quantitative understanding of groundwater contamination from the non-point sources of nitrogen in agricultural ecosystems, especially for effective monitoring and model parameter estimations.
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