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Morrissey College of Arts and Sciences

Noah P. Snyder

earth and environmental sciences

Noah P. Snyder

Associate Professor
Ph.D. (Geology), Massachusetts Institute of Technology (2001)
B.A. (Geology), Bates College (1993)

Phone: 617-552-0839

Personal Home Page:


Fluvial Geomorphology, Remote Sensing, River Restoration


ENVS1100: Environmental Studies Intro Seminar (Fall 2015)
EESC1170: Rivers and the Environment (Fall 2015)
EESC4400: Geomorphology and Landscape Change (Spring 2016)

Current Graduate Students and Projects

Caleb Lucy
Measuring River Geomorphic Change Using a Small Unmanned Aircraft System

M.S. Alumni and Projects

Aakash Ahamed
Geomorphic and Land Use Controls on Sediment Yield in Eastern USA. (2014)

Austin Hopkins
A Comparison of Dem-Based Methods for Fluvial Terrace Mapping and Sediment Volume Calculation: Application to the Sheepscot River Watershed, Maine. (2014)

Benjamin Daniels
Effects of Climate Non-Stationarity on Low-Flow Models for Southern New England. (2014)

Maricate Conlon
A Hindcast Comparing the Response of the Souhegan River to Dam Removal with the Simulations of the Dam Removal Express Assessment Model-1. (2013)

Stephanie Strouse
Do post-glacial river valleys in Maine store milldam legacy sediments? (2013)

Andrew Nesheim
Predicting bed grain size in Maine rivers using lidar topographic data. (2011)

Adam Pearson
River response to dam removal: case study of the Souhegan River and the removal of the Merrimack Village Dam, Merrimack, New Hampshire. (2010)

Elizabeth Johnson
Hydraulic and geomorphic effects of large woody debris additions in the Narraguagus River watershed, coastal Maine. (2009)

Benjamin Wilkins
Geomorphic comparison of two Atlantic coastal rivers: toward an understanding of physical controls on Atlantic salmon habitat. (2009)

Michael Castele
Modeling sediment transport and quantifying channel morphology of the Sheepscot River, coastal Maine. (2007)

Lisa Schultz
Investigation of the transient response of Gower Gulch to forced diversion, Death Valley, California. (2005)

Professional Experience

Associate Professor, Dept. of Earth and Environmental Sciences, Boston College (2010-)

Director, Environmental Studies Program, Boston College (2010-)

Assistant Professor, Dept. of Geology and Geophysics, Boston College (2004-2010)

Postdoctoral Research Geologist, U.S. Geological Survey Coastal and Marine Geology Team, Santa Cruz, CA (2001-2004)

Research and Teaching Assistant, Department of EAPS, MIT, Cambridge, MA (1996-2001)

Visiting Instructor, Department of Geology, Colorado College, Colorado Springs, CO (2000)

Geologist, Utah Geological Survey, Salt Lake City, UT (1994-1996)

Teaching Assistant, Department of Geology, Bates College, Lewiston, ME (1990-1993)

Selected Publications

*Boston College student co-authors

Bresney, S.R.*, Moseman-Valtierra, S., and Snyder, N.P., 2015, Observations of Greenhouse Gases and Nitrate Concentraions in a Maine River and Fringing Wetland, Northeastern Naturalist, v. 22, n. 1, p. 120-143, doi: 10.1656/045.022.0125.

Armstrong, W.H., Collins, M.J., and Snyder, N.P., 2014, Hydroclimatic Floodtrends in the Northern United States and Linkages with Large-scale Atmospheric Circulation Patterns. Hydrological Sciences Journal, v. 59, p. 1636-1655, doi: 10.1080/02626667.2013.862339.

Kasprak, A., Magilligan, F.J., Nislow, K.H., Renshaw, C.E., Snyder, N.P., and Dade, W.B., 2013, Differentiating the Relative Importance of Land Cover Change and Geomorphic Processes on Fine Sediment Sequestration in a Logged Watershed, Geomorphology, v. 185, p. 67-77, doi: 10.1016/j.geomorph.2012.12.005.

Santaniello, D.J.*, Snyder, N.P., and Gontz, A.M., 2013, Using Ground-penetrating Radar to Determine the Quantity of Sediment Stored Behind the Merrimack Village Dam, Souhegan River, New Hampshire, In DeGraff, J.V. and Evans, J.E. (editors), The Challenges of Dam Removal and River Restoration, GSA Reviews in Engineering Geology, XXZ, 45-57, doi:10.1130-2013.4021(04).

Snyder, N.P., Nesheim, A.O.*, Wilkins, B.C.*, and Edmonds, D.A., 2013, Predicting Grain Size in Gravel-bedded Rivers Using Digital Elevation Models: Application to Three Maine Watersheds,Geological Society of America Bulletin, v. 125, p. 148-163.

Armstrong, W.H.*, Collins, M.J., and Snyder, N.P., 2012, Increased Frequency of Low Magnitude Floods in New England, Journal of the American Water Resources Association, v. 48, n. 2, p. 306-320, doi: 10.1111/j.1752-1688.2011.00613.x.

Kasprak, A., Magilligan, F. J., Nislow, K. H., and Snyder, N. P., 2011, A Lidar-derived Evaluation of Watershed-scale Large Woody Debris Sources and Recruitment Mechanisms: Coastal Maine, USA. River Research and Applications, doi: 10.1002/rra.153.

Snyder, N.P., 2012, Restoring Geomorphic Resilience in Streams, in Church, M., Biron, P.M., and Roy, A., editors, Gravel-bed Rivers: Processes, Tools, Environments, John Wiley and Sons, Ltd., p. 160-164, doi: 10.1002/9781119952497.ch14.

Pearson, A. J.*, Snyder, N. P., and Collins, M. J., 2011, Rates and Processes of Channel Response to Dam Removal with a Sand-filled Impoundment,Water Resources Research, v. 47, doi: 10.1029/2010WR009733.

Wilkins, B. C.*, and Snyder, N. P., 2011, Geomorphic Comparison of Two Atlantic Coastal Rivers: Toward an Understanding of Physical Controls on Atlantic Salmon Habitat. River Research and Applications, v. 27, n. 2, p. 135-156, doi: 10.1002/rra.1343.

Snyder, N. P., 2009, Studying Stream Morphology with Airborne Laser Elevation Data. Eos, Transactions, AGU, American Geophysical Union, v. 90, n. 6, p. 45-46, doi:10.1029/2009EO060001.

Snyder, N. P., Castele, M. R.*, and Wright, J. R., 2008, Bedload Entrainment in Low-gradient Paraglacial Coastal Rivers of Maine, U.S.A.: Implications for Habitat Restoration. Geomorphology, v. 103, p. 430-446, doi: 10.1016/j.geomorph.2008.07.013.

Snyder, N. P., and Kammer, L. L.*, 2008, Dynamic Adjustments in Channel Width in Response to a Forced Diversion: Gower Gulch, Death Valley National Park, California. Geology, v. 25, doi: 10.1130/G24217A.1, p. 187-190.

Snyder, N. P., Wright, S. A., Alpers, C. N., Flint, L. E., Holmes, C. W., and Rubin, D. M, 2006, Reconstructing Depositional Processes and History from Reservoir Stratigraphy: Englebright Lake, Yuba River, Northern California. Journal of Geophysical Research, v. 111, F04003, doi: 10.1029/2005JF000451.

Wobus, C. W., Whipple, K. X, Kirby, E., Snyder, N. P., Johnson, J., Spyropolou, K., Crosby, B., and Sheehan, D., 2006, Tectonics from Topography: Procedures, Promise, and Pitfalls, in Willett, S. D., Hovius, N., Brandon, M. T., and Fisher, D. M., editors, Tectonics, Climate, and Landscape Evolution, Geological Society of America Special Paper 398, p. 55-74, doi: 10.1130/2006.2398(04).

Snyder, N. P., Rubin, D. M., Alpers, C. N., Childs, J. R., Curtis, J. A., Flint, L. E., and Wright, S. A., 2004, Estimating Rates and Properties of Sediment Accumulation Behind a Dam: Englebright Lake, Yuba River, Northern California. Water Resources Research, v. 40, W11301, doi: 10.1029/2004WR003279.

Snyder, N. P., Whipple, K. X., Tucker, G. E., and Merritts, D. J., 2003, Importance of a Stochastic Distribution of Floods and Erosion Thresholds in the Bedrock River Incision Problem. Journal of Geophysical Research, v. 108 (B2), 2117, doi: 10.1029/2001JB001655.

Snyder, N. P., Whipple, K. X., Tucker, G. E., and Merritts, D. J., 2003, Channel Response to Tectonic Forcing: Analysis of Stream Morphology and Hydrology in the Mendocino Triple Junction Region, Northern California. Geomorphology, v. 53, p. 97-127, doi: 10.1016/S0169-555X(02)00349-5.

Snyder, N. P., Whipple, K. X., Tucker, G. E., and Merritts, D. J., 2002, Interactions Between Onshore Bedrock-channel Incision and Nearshore Wave-base Erosion Forced by Eustasy and Tectonics. Basin Research, v. 14, p. 105-127, doi: 10.1046/j.1365-2117.2002.00169.x.

Snyder, N. P., and Hodges, K. V., 2000, Depositional and Tectonic Evolution of a Supradetachment Basin: 40Ar/39Ar geochronology of the Nova Formation, Panamint Range, California. Basin Research, v. 12, n. 1, p. 19-30, doi: 10.1046/j.1365-2117.2000.00108.x.

Snyder, N. P., Whipple, K. X., Tucker, G. E., and Merritts, D. J, 2000, Landscape Response to Tectonic Forcing: Digital Elevation Model Analysis of Stream Profiles in the Mendocino Triple Junction Region, Northern California. Geological Society of America Bulletin, v. 112, n. 8, p. 1250-1263, doi: 10.1130/0016-7606(2000)112<1250:LRTTFD>2.0.CO;2.

Whipple, K. X., Snyder, N. P., and Dollenmayer, K., 2000, Rates and Processes of Bedrock Incision by the Upper Ukak River Since the 1912 Novarupta Ash Flow in the Valley of Ten Thousand Smokes, Alaska. Geology, v. 28, n. 9, p. 835-838, doi: 10.1130/0091 7613(2000)28<835:RAPOBI>2.0.CO; 2.