@article {,
	title = {History of nutrient inputs to the Northeastern United States, 1930-2000.},
	journal = {Global Biogeochemical Cycles},
	volume = {27},
	number = {2},
	year = {2013},
	note = {PI Data},
	pages = {578-591},
	keywords = {anthropogenic, disturbance, inorganic nutrients, LTER-PIE, Northeast United States, nutrient inputs},
	doi = {10.1002/gbc.20049},
	author = {Hale, R.L. and Hoover, J.H. and Wollheim, W.M. and Vorosmarty, C.J.}
}
@article {PIE176,
	title = {The biogeochemical influences of nitrate, dissolved oxygen, and dissolved organic carbon on stream nitrate uptake.},
	journal = {Journal of the North American Benthological Society},
	volume = {28},
	number = {4},
	year = {2009},
	note = {Grad},
	pages = {894-907},
	keywords = {dissolved organic carbon, dissolved oxygen, inorganic nutrients, LTER-PIE, net nutrient uptake, nitrate, nitrate uptake, organic matter, priming effect, solute addition},
	doi = {10.1899/08-183.1},
	author = {Thouin, J.A. and Wollheim, W.M. and Vorosmarty, C.J. and Jacobs, J. and McDowell, W.H.}
}
@article {PIE180,
	title = {Global N removal by freshwater aquatic systems A spatially distributed, within-basin approach},
	journal = {Global Biogeochemical Cycles},
	volume = {22},
	year = {2008},
	note = {PI Plum Data},
	keywords = {disturbance, inorganic nitrogen, LTER-PIE, nitrogen removal, watershed},
	doi = {10.1029/2007GB002963},
	author = {Wollheim, W.M. and Vorosmarty, C.J. and Bouwman, A.F. and Green, P.A. and Harrison, J. and Linder, E. and Peterson, B.J. and Green, P.A. and Seitzinger, S. and Syvitski, J.P.M.}
}
@article {PIE168,
	title = {The application of electrical conductivity as a tracer for hydrograph separation in urban catchments.},
	journal = {Hydrological Processes},
	volume = {22},
	year = {2007},
	note = {PI Plum Data},
	pages = {1810-1818},
	keywords = {disturbance, electrical conductivity, hydrograph separation, impervious, LTER-PIE, urbanization},
	doi = {10.1002/hyp.6786},
	author = {Pellerin, B.A. and Wollheim, W.M. and Feng, X. and Vorosmarty, C.J.}
}
@article {PIE165,
	title = {Relationship between river size and nutrient removal.},
	journal = {Geophysical Research Letters},
	volume = {33},
	year = {2006},
	note = {PI Plum Data},
	keywords = {hydrology, inorganic nutrients, LTER-PIE, nutrient removal},
	doi = {10.1029/2006GL025845},
	author = {Wollheim, W.M. and Vorosmarty, C.J. and Peterson, B.J. and Seitzinger, S.P. and Hopkinson, C.S.}
}
@article {PIE162,
	title = {The role of snowmelt and spring rainfall in inorganic nutrient fluxes from a large temperate watershed, the Androscoggin River basin (Maine and New Hampshire).},
	journal = {Biogeochemistry},
	volume = {80},
	year = {2006},
	note = {PI Coastal},
	pages = {217-234},
	keywords = {Androscoggin River, DIN, Freshet, LTER-PIE, nitrogen, nutrient, Snowmelt, Snowpack, watershed},
	doi = {10.1007/s10533-006-9017-7},
	author = {Oczkowski, A.J. and Pellerin, B.A. and Hunt, C.W. and Wollheim, W.M. and Vorosmarty, C.J. and Loder, T.C.}
}
@article {PIE142,
	title = {Fluvial filtering of land to ocean fluxes: from Holocene variations to Anthrocene.},
	journal = {Compte Rendus},
	volume = {337},
	year = {2005},
	note = {PI Coastal},
	pages = {107-123},
	keywords = {fluvial, inorganic nutrients, land to ocean flux, LTER-PIE, watershed},
	doi = {10.1016/j.crte.2004.09.016},
	author = {Meybeck, M. and Vorosmarty, C.J.}
}
@article {PIE99,
	title = {Pre-industrial and contemporary fluxes of nitrogen through rivers: A global assessment based on typology},
	journal = {Biogeochemistry},
	volume = {68},
	year = {2003},
	note = {PI Synthesis},
	pages = {1-35},
	keywords = {anthropogenic loading, global, inorganic nutrients, LTER-PIE, nitrogen, nitrogen budget, nitrogen yields, rivers, watershed},
	doi = {10.1023/B:BIOG.0000025742.82155.92},
	author = {Green, P.A. and Vorosmarty, C.J. and Meybeck, M. and Galloway, J.N. and Peterson, B.J. and Boyer, E.W.}
}
