USGS

Nitrogen in Streams of the Upper Tennessee River Basin, 1970-93

U.S. Geological Survey, Open-File Report 97-117

by M.W. Treece, Jr., and Gregory C. Johnson


Table of Contents

Introduction

Sources of nitrogen

Spatial distribution of nitrogen concentrations

Trends in nitrogen concentration

Nitrogen loads and yields

Relation between nitrogen concentration and land use

References

 


 

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