Chris Duffy
Prof. emerit. Chris Duffy
Water Resources Engineering
Civil & Enviromental Engineering
Penn State Univ
212 Sackett Bldg.
University Park, PA 16802
United States of America
Phone: +1 814 360 0918
E-mail:
cxd11(at)psu.eduURL Institution:
www.engr.psu.edu/ce/Faculty/duffy_c.htmPersonal URL:
link
Key Publications of Chris Duffy (up to ten) :
Duffy, C. J. , 1990, Haline convection of groundwater in the mountain and playa-lake deserts of the Great Basin, in: "Hydrogeology, Selected Papers: Hydrology of Low Permeability Rocks", International Association of Hydrogeologists, vol. 2,.69-81.
Duffy, C.J. and J. Cusumano, 1998, On the Validity of Low-Dimensional Models for Concentration-Discharge Dynamics in Stream-Aquifer Systems, Water Resources Research, 34(9), 2235-2247.
Shun, T. and C. J. Duffy, 1998, Low Frequency Oscillations in Precipitation, Temperature and Runoff Across a West-Facing Mountain Front: A Hydrogeologic Interpretation, Water Resources Research, 35(1), 191-201.
Brandes, D., C.J. Duffy and J.P. Cusumano, 1998 Instability and Self-Excited Oscillations in a Two-State-Variable Dynamical Model of Hillslope Soil Moisture, Water Resources Research, 34(12), 3303-3313.
Duffy, C.J., 2004, Semi-discrete dynamical model for mountain-front recharge and water balance estimation, Rio Grande of southern Colorado and New Mexico, in Groundwater Recharge in a Desert Environment: The Southwestern United States, edited by J.F. Hogan, F.M. Phillips, and B.R. Scanlon, Water Science and Applications Series, vol. 9, American Geophysical Union, Washington, D.C., 255-271.
Expertise of Chris Duffy:
| Expertise Category | Specific Expertise |
|---|
| Expert Type | Scientific / Fundamental Research |
| Topic Atmosphere | Climate |
| Topic Hydrosphere | Hydrosphere |
| Fresh Water Systems / Rivers / Lakes |
| Precipitation / Runoff |
| Topic Integrated Systems | Integrated Systems and Ecology |
| Hydrogeochemical Cycle |
| Topic Ecosystems | Terrestrial Ecosystems |
| Topic Economy/ResourceUse | Water |
| Land Cover / Land Use / Landscape |
| Topic Society | Population Dynamics / Migration / Urbanisation |
| Topic Sustainability | Ecological Sustainability |
| Time Frame | Past: Historical / Archeological |
| Recent / Today |
| Future |
| Time Scale | Seasonal / Annual |
| Decadal / Centennial |
| Methods | Method |
| Modeling |
| Integrated Assessment |
| Mountain Research Initiative | MRI Research area |
| Long-term monitoring and analysis of indicators of environmental change in mount |
| Integrated model-based studies of environmental change in diff. mountain regions |
| Process studies along altitudinal gradients and in associated headwater basins |
| Sustainable land use and natural resources management |
| Africa |
| Europe (including Eastern Europe) |
| North America |
| Latin America |
Last update: 11/7/19
Source of data: ProClim- Research InfoSystem (1993-2024)
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