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Glenn Hodgkins

Hydrologist

Contact Info


Short Biography

Glenn Hodgkins has been working as a Hydrologist with the U.S. Geological Survey (USGS) in Maine and Indiana since 1990. He and collaborators have published extensively on historical trends in water-related variables in New England such as river flows, river ice, lake ice, and snowpack. Other areas of research include river flooding and bridge scour. Glenn received his Bachelors Degree in Civil Engineering from the University of Maine and Masters Degree in Engineering from Purdue University.






Publications

 

Journal Articles

 

Hodgkins, G.A., 2013, The importance of record length in estimating the magnitude of climatic changes: an example using 175 years of lake ice-out dates in New England: Climatic Change, v. 119, p. 705-718.

 

Whitfield, P.H., Burn, D.H., Hannaford, J., Higgins, H., Hodgkins, G.A., Marsh, T., and Looser, U., 2012, Reference hydrologic networks  I. The status and potential future directions of national reference hydrologic networks for detecting trends: Hydrological Sciences Journal, v. 57, p. 1562-1579.

 

Burn, D.H., Hannaford, J., Hodgkins, G.A., Whitfield, P.H., Thorne, R., and Marsh, T., 2012, Reference hydrologic networks II.  Using reference hydrologic networks to assess climate-driven changes in streamflow: Hydrological Sciences Journal, v. 57, p. 1580-1593.

 

Benson, B.J., Magnuson, J.J., Jensen, O.P., Card, V., Hodgkins, G.A., Korhonen, J., Livingston, D.M., Stewart, K.M., Weyhenmeyer, G.A., and Granin, N.G., 2012, Extreme events, trends and variability in Northern Hemisphere lake ice phenology (1855 - 2005): Climatic Change, v. 112, p. 299-323, DOI 10.1007/s10584-011-0212-8.

 

Hodgkins, G.A., and Dudley, R.W., 2011, Historical summer base flow and stormflow trends for New England rivers, Water Resources Research, v. 47, W07528, doi:10.1029/2010WR009109.

 

Hodgkins, G. A., 2009, Streamflow changes in Alaska between the cool phase (1947-1976) and the warm phase (1977-2006) of the Pacific Decadal Oscillation: The influence of glaciers: Water Resources Research, v. 45, W06502, doi:10.1029/2008WR007575.

 

Hodgkins, G. A., and Dudley, R. W., 2006, Changes in the timing of winter–spring streamflows in eastern North America, 1913–2002: Geophysical Research Letters, v. 33, L06402, doi:10.1029/2005GL025593.

 

Hodgkins, G. A., and Dudley, R. W., 2006, Changes in late-winter snowpack depth, water equivalent, and density in Maine, 1926-2004: Hydrological Processes, v. 20, p. 741-751.

 

Hodgkins, G. A., Dudley, R. W., and Huntington, T. G., 2005, Changes in the number and timing of days of ice-affected flow on northern New England rivers, 1930-2000: Climatic Change, v. 71, p. 319-340.

 

Hodgkins, G. A., Dudley, R. W., and Huntington, T. G., 2005, Summer low flows in New England during the 20th century: Journal of the American Water Resources Association, v. 41, p. 403-412.

 

Huntington, T. G., Hodgkins, G. A., Keim, B. D., and Dudley, R. W., 2004, Changes in the proportion of precipitation occurring as snow in New England (1949 to 2000): Journal of Climate, v. 17, p. 2626-2636.

 

Huntington, T. G., Hodgkins, G. A., and Dudley, R. W., 2003, Historical trend in river ice thickness and coherence in hydroclimatological trends in Maine: Climatic Change, v. 61, p. 217-236.

 

Hodgkins, G. A., Dudley, R. W., and Huntington, T. G., 2003, Changes in the timing of high river flows in New England over the 20th century: Journal of Hydrology, v. 278, p. 242-250.

 

Hodgkins, G. A., James, I. C. II, and Huntington, T. G., 2002, Historical changes in lake ice-out dates as indicators of climate change in New England, 1850-2000: International Journal of Climatology, v. 22, p. 1819-1827.

 

USGS Reports

 

Hodgkins, G.A., Dudley, R.W., and Schalk, L.F., 2012, Relations between winter climatic variables and April streamflows in New England and implications for summer streamflows: U.S. Geological Survey Scientific Investigations Report 2012-5092, 11 p.

 

Hodgkins, G. A., 2010, Historical changes in annual peak flows in Maine and implications for flood-frequency analyses: U.S. Geological Survey Scientific Investigations Report 2010-5094, 38 p.

 

Hodgkins, G. A., 2010, Historical ice-out dates for 29 lakes in New England, 1807-2008: U.S. Geological Survey Open-File Report 2010-1214, 32 p.

 

Hodgkins, G. A., Lent, R. M., Dudley, R. W., and Schalk, C. W., 2009, Framework for a U.S. Geological Survey hydrologic climate-response program in Maine: U.S. Geological Survey Open-File Report 2009-1115, 24 p.

 

Lombard, P. J., and Hodgkins, G. A., 2008, Comparison of observed and predicted abutment scour at selected bridges in Maine: U.S. Geological Survey Scientific Investigations Report 2008-5099, 23 p.

 

Hodgkins, G. A., Hebson, C., Lombard, P., and Mann, A., 2007, Comparison of Peak-Flow Estimation Methods for Small Drainage Basins in Maine: U.S. Geological Survey Scientific Investigations Report 2007–5170, 32 p.

 

Hodgkins, G. A., Dudley, R. W., and Aichele, S. S., 2007, Historical changes in precipitation and streamflow in the U.S. Great Lakes Basin, 1915-2004: U.S. Geological Survey Scientific Investigations Report 2007-5118, 31 p.

 

Hodgkins, G. A., Stewart, G. J., Cohn, T. A., and Dudley, R. W., 2007, Estimated Magnitudes and Recurrence Intervals of Peak Flows on the Mousam and Little Ossipee Rivers for the Flood of April 2007 in Southern Maine: U.S. Geological Survey Open-File Report 2007-1146, 5 p.

 

Hodgkins, G. A., and Dudley, R. W., 2005, Changes in the magnitude of annual and monthly streamflows in New England, 1902-2002: U. S. Geological Survey Scientific Investigations Report 2005-5135, 37 p.

 

Hodgkins, G. A., Dudley, R. W., and Loiselle, M. C., 2005, Historical late-winter and spring snowpack depth and equivalent water-content data for Maine: U. S. Geological Survey Open-File Report 2005-1259, 80 p.

 

Dudley, R. W., and Hodgkins, G. A., 2005, Trends in timing, magnitude, and duration of summer and fall/winter streamflows for unregulated coastal river basins in Maine during the 20th century: U.S. Geological Survey Scientific Investigations Report 2005-5021, 26 p.

 

Hodgkins, G. A., Caldwell, J. M., and Dudley, R. W., 2003, Historical dates of ice-affected flows for 18 rivers in New England: U.S. Geological Survey Open-File Report 03-245, 48 p.

 

Hodgkins, G. A., and Martin, G. R., 2003, Estimating the magnitude of peak flows for streams in Kentucky for selected recurrence intervals: U.S. Geological Survey Water-Resources Investigations Report 03-4180, 68 p.

 

Dudley R. W., and Hodgkins, G. A., 2002, Trends in streamflow, river ice, and snowpack for coastal river basins in Maine during the 20th century: U.S. Geological Survey Water-Resources Investigations Report 02-4245, 26 p.

 

Hodgkins, G. A., and Lombard P. J., 2002, Observed and predicted pier scour in Maine: U.S. Geological Survey Water-Resources Investigations Report 02-4229, 22 p.

 

Hodgkins, G. A., and James, I. C. II, 2002, Historical ice-out dates for 29 lakes in New England: U.S. Geological Survey Open-File Report 02-34, 32 p.

 

Loiselle, M. C., and Hodgkins, G. A., 2002, Snowpack in Maine—Maximum observed and March 1 mean equivalent water content: U.S. Geological Survey Water-Resources Investigations Report 01-4258, 19 p.

 

Dudley, R. W., Hodgkins, G. A., and Nielsen, J. P., 2001, Water budget for Sebago Lake, Maine, 1996-99: U.S. Geological Survey Water-Resources Investigations Report 01-4235, 18 p.

 

Dudley, R. W., Hodgkins, G. A., Mann, A., and Chisholm, J., 2001, Evaluation of the effects of development on peak-flow hydrographs for Collyer Brook, Maine: U.S. Geological Survey Water-Resources Investigations Report 01-4156, 11 p.

 

Hodgkins, G. A., 2001, Total phosphorus loads for selected tributaries to Sebago Lake, Maine: U.S. Geological Survey Water-Resources Investigations Report 01-4003, 15 p.

 

Hodgkins, G. A., 1999, Estimating the magnitude of peak flows for streams in Maine for selected recurrence intervals: U.S. Geological Survey Water-Resources Investigations Report 99-4008, 45 p.

 

Hodgkins, G. A., and Stewart, G. J., 1997, Flood of October 1996 in southern Maine: U.S. Geological Survey Water-Resources Investigations Report 97-4189, 28 p.

 

Martin, J. D., Crawford, C. G., Frey, J. W., and Hodgkins, G. A., 1996, Water-quality assessment of the White River Basin, Indiana: Analysis of selected information on nutrients, 1980-92: U.S. Geological Survey Water-Resources Investigations Report 96-4192, 91 p.

 

USGS General Interest Publications

 

Dudley, R. W., Hay, L. E., Markstrom, S. L, and Hodgkins, G. A., 2011, Watershed scale response to climate change—Cathance Stream Basin, Maine: U.S. Geological Survey Fact Sheet 2011-3128, 6 p.

 

Dudley, R. W., Hodgkins, G. A., Shanley, J. B., and Mack, T. J., 2010, Quantifying effects of climate change on the snowmelt-dominated groundwater resources of northern New England: U.S. Geological Survey Fact Sheet 2010–3104, 4p.

 

Hodgkins, G. A., 2010, Historical changes in annual peak flows in Maine and implications for flood-frequency analyses: U.S. Geological Survey Fact Sheet 2010-3034, 2 p.

 

Hodgkins, G. A., Lent, R. M., Dudley, R. W., and Schalk, C. W., 2009, Framework for a U.S. Geological Survey hydrologic climate-response program in Maine: U.S. Geological Survey Fact Sheet 2009-3044, 2 p.

 

Dudley, R.W., Hodgkins, G.A., and Letcher, B.H., 2008, Impacts of low-flow and stream-temperature changes on endangered Atlantic salmon—Current research: U.S. Geological Survey Fact Sheet FS-2008–3044, 4 p.

 

Hodgkins, G. A., and Dudley, R. W., 2005, Changes in streamflow timing in New England during the 20th century: U.S. Geological Survey Fact Sheet FS-2005-3019, 3 p.

 

Huntington, T. G., Hodgkins, G. A., and Dudley, R. W., 2005, Historical trend in ice thickness on the Piscataquis River, near Dover-Foxcroft, central Maine: U.S. Geological Survey Fact Sheet FS-2005-3003, 2 p.

 

Hodgkins, G. A., James II, I. C., and Huntington, T. G., 2005: Historical changes in lake ice-out dates as indicators of climate change in New England, 1850-2000, U.S. Geological Survey Fact Sheet FS-2005-3002, 2 p.

 

Dudley, R. W., and Hodgkins, G. A., 2005, Trends in streamflow, river ice, and snowpack for coastal river basins in Maine during the 20th century: U.S. Geological Survey Fact Sheet FS-2005-3001, 2 p.

 

Hodgkins G. A., and Neckles H. A., 1999, U.S. Geological Survey programs in Maine: U.S. Geological Survey Fact Sheet FS-020-99, 4 p.




                           

My Science Topics


Science Topic
Subtopic
Water Resourcesfloods
Water Resourceslakes
Water Resourcesrunoff
Water Resourcesstreamflow
Water Resourcessurface water
Atmosphere and Climateclimate change
Hydrologic Processesglaciation
Hydrologic Processesground-water level
Hydrologic Processeshydrology
Hydrologic Processesrunoff
Hydrologic Processesscour
Hydrologic Processesstreamflow
Hydrologic Processeswater cycle
Techniques and Methodsstatistical analysis
Natural Hazardsfloods



My USGS Science Strategy Areas

Climate Variability & Change

A Water Census of the United States

A National Hazard, Risk, and Resilience Assessment Program

Contact Information

Glenn Hodgkins
196 Whitten Road
Augusta, ME 04330-0000
gahodgki@usgs.gov
207-622-8209 x121
207-622-8204 - Fax
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