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Research on Hydrochemical Processes at the Ground Water-Surface Water Interaction Zone
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Ground water discharge to surface water is recognized as an important process governing contaminant fate and transport and ecosystem viability within watersheds. Reliable assessment of long-term patterns of the chemistry and hydrology in watersheds under the influence of ground water discharge is dependent on establishing a monitoring strategy that captures both the spatial and temporal dynamics of processes occurring at the ground water-surface water (GW-SW) interaction zone. The information gathered from this monitoring effort provides the basis for assessing the impact of ground-water discharge on human and ecosystem health and for evaluating ecosystem response to remediation and restoration activities.
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Recent Highlights
- Publication: Groffman, P. M., Dorsey, A. M., Mayer, P. M. 2005. N processing within geomorphic structures in urban streams. Journal of the North American Benthological Society 24:613-625.
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Publication: Mayer, P. M., Reynolds, S. K., Canfield, T. J., McCutchen, M. D. 2005.
Riparian Buffer Width, Vegetative Cover, and Nitrogen Removal Effectiveness: A Review
of Current Science and Regulations (PDF) (40 pp, 1.1M), EPA Report, U.S. Environmental Protection Agency,
Cincinnati, OH, EPA/600/R-05/118.
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Publication: Ford, R. G., Wilkin, R. T., Scheckel, K. G., Paul, C. J., Beck, F., Clark, P.,
Lee, T. 2005. Field Study of the Fate of Arsenic, Lead, and Zinc at the Ground-
Water/Surface-Water Interface (PDF) (91 pp, 6.4M), EPA Report, U.S. Environmental Protection Agency,
Cincinnati, OH, EPA/600/R-05/161.
- Publication: Ford, R. G. 2005. The Impact of Ground Water-Surface Water Interactions on Contaminant Transport with Application to an Arsenic Contaminated Site (PDF) (22 pp, 2.6M), EPA Environmental Research Brief, Cincinnati, OH: U.S. Environmental Protection Agency, EPA/600/S-05/002.
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Publication: Mayer, P.M., E. Striz, R. Shedlock, E. Doheny, and P. Groffman. 2003.
The effects of ecosystem restoration on nitrogen processing in an urban mid-Atlantic
piedmont stream. Pp. 536-541 in Renard, Kenneth G., McElroy, Stephen A., Gburek,
William J., Canfield, H. Evan and Scott, Russell L., eds. First Interagency Conference on
Research in the Watersheds, October 27-30, 2003. U.S. Department of Agriculture,
Agricultural Research Service.
http://www.tucson.ars.ag.gov/icrw/Proceedings/Mayer.pdf (PDF) (6 pp, 134K)
- Field Project: Water Quality and Hydrology in the Hyporheic Zone and Floodplain of a Degraded Urban Stream (PDF) (1 pg, 110K) Contact: Paul Mayer (mayer.paul@epa.gov)
- Field Project: Ground Water and Surface Water Interactions Along Riparian Corridors in the Great Basin (PDF) (2 pp, 296K) Contact: David Jewett (jewett.david@epa.gov)
- Field Project: The Fate of Arsenic during Discharge of Contaminated Ground Water into a Surface Water Impoundment (PDF) (1 pg, 21K) Contact: Robert Ford (ford.robert@epa.gov)