academic article

• Carbon Budget of Tidal Wetlands, Estuaries, and Shelf Waters of Eastern North America.  Global Biogeochemical Cycles.  32:389-416. 2018
• Net ecosystem production and organic carbon balance of U.S. East Coast estuaries: A synthesis approach.  Global Biogeochemical Cycles.  29:96-111. 2015
• Nitrogen isotopes as indicators of NO(x) source contributions to atmospheric nitrate deposition across the midwestern and northeastern United States..  Environmental Science and Technology.  41:7661-7667. 2007
• Human activities changing the nitrogen cycle in Brazil.  Biogeochemistry Biogeochemistry.  79:61-89. 2006
• The influence of climate on average nitrogen export from large watersheds in the Northeastern United States.  Biogeochemistry Biogeochemistry.  79:163-186. 2006
• Riverine nitrogen export from the continents to the coasts.  Global Biogeochemical Cycles.  20:n/a-n/a. 2006
• Tracing sources of nitrate in snowmelt runoff using a high-resolution isotopic technique.  Geophysical Research Letters.  31:n/a-n/a. 2004
• Nitrogen cycles: past, present, and future..  Biogeochemistry Biogeochemistry.  70:153-226. 2004
• Anthropogenic nitrogen sources and relationships to riverine nitrogen export in the northeastern U.S.A..  Biogeochemistry Biogeochemistry.  57:137-169. 2002
• Nitrogen retention in rivers: model development and application to watersheds in the northeastern U.S.A..  Biogeochemistry Biogeochemistry.  57:199-237. 2002
• Sources of nitrate in rivers draining sixteen watersheds in the northeastern U.S.: isotopic constraints..  Biogeochemistry Biogeochemistry.  57:171-197. 2002
• Where did all the nitrogen go? Fate of nitrogen inputs to large watersheds in the northeastern U.S.A..  Biogeochemistry Biogeochemistry.  57:267-293. 2002
• Nitrogen use in the United States from 1961-2000 and potential future trends..  AMBIO.  31:88-96. 2002