Nitrate flux in the Mississippi River

被引：0

作者：

Gregory F. McIsaac

Mark B. David

George Z. Gertner

Donald A. Goolsby

机构：

[1] University of Illinois,Department of Natural Resources and Environmental Sciences

[2] US Geological Survey,undefined

[3] Denver Federal Center,undefined

来源：

Nature | 2001年 / 414卷

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D O I：

暂无

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学科分类号：

摘要：

Increased delivery of biologically available nitrogen to estuaries and coastal oceans in recent decades has been linked to eutrophication and seasonal hypoxia in the northern Gulf of Mexico1,2 and elsewhere3,4. We have developed a model that accounts for 95% of annual variation in delivery of nitrate to the Gulf of Mexico by the Mississippi River in 1960–98. Retrospective analysis indicates that this nitrate flux could have been reduced by 33% if the use of nitrogen-containing fertilizer in the Mississippi River basin had been cut by 12%.

引用

页码：166 / 167

页数：1

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