@article {PIE449\&lt;br/\&gt;,
	title = {Lateral Marsh Edge Erosion as a Source of Sediments for Vertical Marsh Accretion},
	journal = {Journal of Geophysical Research},
	year = {2018},
	note = {PI Plum Data},
	keywords = {disturbance, erosion, LTER-PIE, organic carbon, organic matter, salt marsh accretion, sea-level rise, sediment, watershed},
	doi = {10.1029/2017JG004358},
	author = {Hopkinson, C.S. and Morris, J.T. and Fagherazzi, S. and Wollheim, W.M. and Raymond, P. A.}
}
@article {PIE403,
	title = {An index to characterize the spatial distribution of land use within watersheds and implications for river network nutrient removal and export},
	journal = {Geophysical Research Letters},
	volume = {42},
	year = {2015},
	note = {PI Plum Data},
	keywords = {inorganic nutrients, land use, LTER-PIE, nitrogen export, watershed},
	doi = {10.1002/2015GL064965},
	author = {Mineau, M.M. and Wollheim, W.M. and Stewart, R.J.}
}
@article {PIE374,
	title = {Climate variability masks the impacts of land use change on nutrient export in a suburbanizing watershed},
	journal = {Biogeochemistry},
	year = {2014},
	note = {Grad},
	keywords = {aquatic processing, disturbance, inorganic nutrients, long-term change, LTER-PIE, nitrogen, phosphorus, seasonality, suburbanization, watershed},
	doi = {10.1007/s10533-014-9998-6},
	author = {Morse, N.B. and Wollheim, W.M.}
}
@article {PIE224,
	title = {A method for estimating surface transient storage parameters for streams with concurrent hyporheic storage},
	journal = {Water Resources Research},
	volume = {45},
	year = {2009},
	note = {Grad},
	keywords = {distrubance, hyporheic, LTER-PIE, streams, watershed},
	doi = {10.1029/2008WR006959},
	author = {Briggs, M.A. and Gooseff, M.N. and Arp, C.D. and Baker, M.A.}
}
@mastersthesis {PIE193,
	title = {Sensitivity Analysis for Scenarios of Water Withdrawal in Massachusetts},
	volume = {M.S.},
	year = {2009},
	note = {Grad},
	school = {Clark University},
	type = {mastersthesis},
	address = {Worcester, MA},
	keywords = {disturbance, LTER-PIE, population dynamics, water withdrawal, watershed},
	author = {Broo, S.}
}
@article {PIE184,
	title = {Dynamics of N removal over annual time scales in a suburban river network},
	journal = {Journal of Geophysical Research-Biogeosciences},
	volume = {113},
	year = {2008},
	note = {PI Plum Data},
	keywords = {disturbance, inorganic nutrients, LTER-PIE, nitrogen removal, watershed},
	doi = {10.1029/2007JG000660},
	author = {Wollheim, W.M. and Peterson, B.J. and Vorosmarty, C. and Hopkinson, C. and Thomas, S.A.}
}
@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 {PIE232,
	title = {Effect of historical changes in land use and climate on the water budget of an urbanizing watershed},
	journal = {Water Resources Research},
	volume = {42},
	year = {2006},
	note = {PI Plum Data},
	keywords = {climate change, disturbance, hydrology, land use, LTER-PIE, population dynamics, watershed},
	doi = {10.1029/2005WR004131},
	author = {Claessens, L. and Hopkinson, C. and Rastetter, E. and Vallino, J.}
}
@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.}
}
@phdthesis {PIE175,
	title = {The controls of watershed nutrient export},
	volume = {Ph.D.},
	year = {2005},
	note = {Grad},
	school = {University of New Hampshire},
	type = {phdthesis},
	address = {Durham, NH},
	keywords = {export, LTER-PIE, nitrogen, nutrients, watershed},
	author = {Wollheim, W.M.}
}
@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 {PIE156,
	title = {N retention in urbanizing headwater catchments},
	journal = {Ecosystems},
	volume = {8},
	year = {2005},
	note = {PI Plum Data},
	pages = {871-884},
	keywords = {export, impervious, inorganic nutrients, loading, LTER-PIE, nitrogen, residential, retention, urban, watershed},
	doi = {10.1007/s10021-005-0178-3},
	author = {Wollheim, W. and Pellerin, B. and Vorosmarty, C. and Hopkinson, C.}
}
@article {PIE146,
	title = {Relationships of land use and streamwater solute concentrations in the Ipswich River basin, northeastern Massachusetts.},
	journal = {Water, Air, and Soil Pollution},
	volume = {161},
	year = {2005},
	note = {PD Plum Data},
	keywords = {land cover, land use, LTER-PIE, solute concentration, urbanization, watershed},
	doi = {10.1007/s11270-005-2830-0},
	author = {Williams, M. and Hopkinson, C. and Rastetter, E. and Vallino, J. and Claussens, L.}
}
@phdthesis {PIE131,
	title = {The influence of urbanization on runoff generation and stream chemistry in Massachusetts watersheds.},
	volume = {Ph.D.},
	year = {2004},
	note = {Grad},
	school = {University of New Hampshire},
	type = {phdthesis},
	address = {Durham, NH},
	keywords = {LTER-PIE, stream chemistry, urbanization, watershed},
	author = {Pellerin, B. A.}
}
@article {PIE122,
	title = {Modeling Nitrogen Transport in the Ipswich River Basin, Massachusetts, Using HSPF.},
	journal = {Journal of the American Water Resources Association},
	volume = {40},
	year = {2004},
	note = {PD Plum Data},
	pages = {1365-1384},
	keywords = {HSPF, inorganic nutrients, LTER-PIE, nitrogen transport, watershed},
	doi = {10.1111/j.1752-1688.2004.tb01592.x},
	author = {Filoso,S. and Vallino, J.J and Hopkinson, C. and Rastetter, E. and Claessens, L.}
}
@article {PIE130,
	title = {Role of wetlands and developed land use on dissolved organic nitrogen concentrations and DON / TDN in northeastern U.S. rivers and streams},
	journal = {Limnology and Oceanography},
	volume = {49},
	year = {2004},
	note = {Grad},
	pages = {910-918},
	keywords = {dissolved organic nitrogen, land use, LTER-PIE, watershed, wetlands},
	doi = {10.4319/lo.2004.49.4.0910},
	author = {Pellerin, B.A. and Wollheim, W. and Hopkinson, C. and McDowell, W. and Williams, M. and Vorosmarty, C. and Daley, M.}
}
@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.}
}
@article {PIE113,
	title = {Processing watershed-derived nitrogen in a well-flushed New England estuary.},
	journal = {Limnology and Oceanography},
	volume = {48},
	number = {5},
	year = {2003},
	note = {PD Coastal},
	pages = {1766-1778},
	keywords = {estuary, LTER-PIE, nitrogen, watershed},
	doi = {10.4319/lo.2003.48.5.1766},
	author = {Tobias, C.R. and Cieri, M. and Peterson, B.J. and Deegan, L.A. and Vallino, J. and Hughes, J.}
}
@article {PIE83,
	title = {Bacterioplankton Community Composition in Flowing Waters of the Ipswich River Watershed},
	journal = {Biological Bulletin},
	volume = {203},
	year = {2002},
	note = {REU},
	pages = {251-252},
	keywords = {bacterioplankton community, Ipswich River, LTER-PIE, watershed},
	doi = {10.2307/1543425},
	author = {Levine, U.Y. and Crump, B.C.}
}
@mastersthesis {PIE78,
	title = {Identifying impermeable surface from remotely sensed images},
	volume = {M.S.},
	year = {2002},
	note = {Grad},
	school = {Clark University},
	type = {mastersthesis},
	address = {Worcester},
	keywords = {LTER-PIE, remote sensing, watershed},
	author = {Head, J.}
}
@mastersthesis {PIE89,
	title = {A method to produce hydrologically corrected DEMs},
	volume = {M.S.},
	year = {2002},
	note = {Grad},
	school = {Clark University},
	type = {mastersthesis},
	address = {Worcester},
	keywords = {digital elevation model, disturbance, GIS, hydrology, land use, LTER-PIE, watershed},
	author = {Parker, D.}
}
@techreport {PIE77,
	title = {Nitrogen Pollution: From sources to the sea.},
	year = {2002},
	note = {PI Coastal},
	pages = {4 p.},
	institution = {Science Links - Hubbard Brook Research Foundation},
	address = {Hanover, NH},
	keywords = {LTER-PIE, marine, nitrogen pollution, watershed},
	author = {Driscoll, C. and Whitall, D. and Aber, J. and Boyer, E. and Castor, M. and Cronan, C. and Goodale, C. and Groffman, P. and Lambert, K. and Lawrence, G. and Hopkinson, C. and Ollinger, S.}
}
@article {PIE80,
	title = {Reconstruction of Historical Land Cover in the Ipswich Watershed.},
	journal = {Biological Bulletin},
	volume = {203},
	year = {2002},
	note = {REU},
	pages = {253-254},
	keywords = {Ipswich River, land use change, LTER-PIE, watershed},
	doi = {10.2307/1543426},
	author = {Huffaker, D. and Pontius, R.G., Jr.}
}
@article {PIE68,
	title = {Modeling land-use change in the Ipswich watershed, Massachusetts, USA},
	journal = {Agriculture, Ecosystems \& Environment},
	volume = {85},
	number = {1-3},
	year = {2001},
	note = {PI Plum Data},
	pages = {83-94},
	keywords = {computer modeling, GIS Kappa, Land-use change, LTER-PIE, Massachusetts, model, ROC, Validation, watershed},
	doi = {10.1016/S0167-8809(01)00189-X},
	author = {Schneider, L. and Pontius, R.G., Jr.}
}
@article {PIE64,
	title = {Riverine export of aged terrestrial organic matter to the North Atlantic Ocean.},
	journal = {Nature},
	volume = {409},
	year = {2001},
	note = {PD Plum Data},
	pages = {497-500},
	keywords = {dissolved organic carbon, LTER-PIE, organic matter, terrestrial, watershed},
	doi = {10.1038/35054034},
	author = {Raymond, P. A. and Bauer, J.E.}
}
@inbook {PIE29,
	title = {Synthesizing drainage basin inputs to coastal systems.},
	booktitle = {Estuarine Science: A Synthetic Approach to Research and Practice},
	year = {2000},
	note = {PI Synthesis},
	pages = {81-105},
	publisher = {Island Press},
	organization = {Island Press},
	address = {Washington, DC},
	keywords = {LTER-PIE, watershed},
	author = {Fisher, T. R. and Correll, D. and Costanza, R. and Hollibaugh, J. and Hopkinson, C. and Howarth, R. and Rabalais, N. and Richey, J. and Vorosmarty, C. and Wiegert, R.},
	editor = {J. Hobbie}
}
@thesis {PIE20,
	title = {Land-use change and regional growth in the Ipswich watershed basin.},
	volume = {B.S.},
	year = {1999},
	note = {Undergrad},
	school = {Clark University},
	type = {bachelorsthesis},
	address = {Worcester},
	keywords = {Ipswich River, land use, LTER-PIE, watershed},
	author = {Menard, S.}
}
