selected publications
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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