Table of Contents

Preface
Richard A. Valigura  vii

An Introduction to the First Assessmenot f Nitrogen Loads to US Estuaries with an Atmospheric Perspective
Richard A. Valigura  1

Atmospheric D eposition o f Nitrogen in Coastal W aters: Biogeochemicai and Ecological Implications
Hans W. Paerl, Walter R. Boynton, Robin L. Dennis, Charles T. Driscoll, Holly S. Greening, James N. Kremer, Nancy N. Rabalais, and Sybil P. Seitzinger  11

Atmospheric Nitrogen Deposition to Coastal Estuaries and Their Watersheds
Tilden Meyers, Joseph Sickles, Robin Dennis, Kristina Russell, James Galloway, and Thomas Church 53

Contribution of Atmospheric Deposition to the Total Nitrogen Loads to Thirty-four Estuaries on the Atlantic and Gulf Coasts of the United States
Mark S. Castro, Charles T. Driscoll, Thomas E. Jordan, Wlliam G. Reay, Walter R. Boynton, Sybil P. Seitzinger, Rende V . Styles, and Dave E. Cable 77

A Comparison of Independent N-loading Estimates for U.S. Estuaries
R. E. Turner, D. Stanley, D. Brock, J. Pennock and N. N. Rabalais 107

Atmospheric Nitrogen Flux From the Watersheds of Major Estuaries of the United States: An Application of the SPARROW Watershed Model
Richard B. Alexander, Richard A. Smith, Gregory E. Schwartz, Stephen D. Preston, John W. Brakebill, Raghavan Srinivasan, and Percy A. Pacheco  119

Uncertainties in Individual Estuary N-loading Assessments
D. A. Brock  171

Contributions of Atmospheric Nitrogen Deposition to U.S. Estuaries: Summary and Conclusions
Paul E. Stacey, Holly S. Greening, James N. Kremer, David Peterson, and David A. Tomasko  187

An Annotated Summary of Nitrogen Loading to US Estuaries
D. Stanley 227

About the Author

Richard A. Valigura and Richard B. Alexander are the authors of Nitrogen Loading in Coastal Water Bodies: An Atmospheric Perspective, published by Wiley.