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DOI: | 10.2134/jeq2014.06.0280 |
Web URL(s): | https://www.dl.sciencesocieties.org/publications/jeq/articcles/44/2/642 Last checked: 11/02/2016 Access conditions: Item is within a limited-access website https://www.dl.sciencesocieties.org/publications/jeq/pdfs/44/2/642 Last checked: 11/02/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Kasper, Joshua W.;
Denver, Judith M.;
York, Joanna K. |
Author Affiliation: | Kasper: Dep. of Natural Resources and Environmental Control; Denver: USGS, Dover; York: School of Marine Science and Policy, Univ. of Delaware, Newark, DE |
Title: | Suburban groundwater quality as influenced by turfgrass and septic sources, Delmarva Peninsula, USA |
Column Name: | Groundwater quality Other records with the "Groundwater quality" Column
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Section: | Technical reports: Groundwater quality Other records with the "Technical reports: Groundwater quality" Section
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Source: | Journal of Environmental Quality. Vol. 44, No. 2, March/April 2015, p. 642-654. |
Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
# of Pages: | 13 |
Related Web URL: | https://dl.sciencesocieties.org/publications/jeq/abstracts/42/2/642 Last checked: 11/02/2016 Notes: Abstract only |
Keywords: | TIC Keywords: Aquifers; Environmental impact; Groundwater contamination; Land use; Leachfields; Nutrient loss; Urban habitat; Urbanization; Water quality; Water testing; Water use
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Abstract/Contents: | "Suburban land use is expanding in many parts of the United States and there is a need to better understand the potential water-quality impacts of this change. This study characterized groundwater quality in a sandy, water-table aquifer influenced by suburban development and compared the results to known patterns in water chemistry associated with natural, background conditions and agricultural effects. Samples for nutrients, major ions, and isotopes of N and O in NO3- were collected in 2011 beneath turfgrass from 29 shallow wells (median depth 3.7 m) and from 18 deeper wells (median depth 16.9 m) in a long-term suburban development. Nitrate (as N) concentrations in groundwater beneath turfgrass were highly variable (0.02-22.3 mg L-1) with a median of 2.7 mg L-1, which is higher than natural water chemistry (>0.4 mg L-1; Na+-Cl--HCO3- water type), but significantly lower than concentrations beneath a nearby agricultural area (median 16.9 mg L-1; p < .0001). Dissolved Fe concentrations in shallow suburban groundwater, attributed to chelated Fe in turfgrass fertilizers, were significantly higher (p < .005) than concentrations from the agricultural site, although a Ca2+-Mg2+-Cl--NO3- water type was dominant in both areas. A Na+-Cl--NO3- water type indicated a septic-system source for nitrate in deep suburban groundwater (0.06-6.0 mg L-1; median 1.5 mg L-1). Isotopic data indicated denitrification; however, geochemical techniques were more helpful in identifying nitrate sources. Results indicate that suburban expansion into agricultural areas may significantly decrease overall nitrate concentrations in groundwater, but excessive turfgrass fertilization could result in localized contamination." |
Language: | English |
References: | 70 |
Note: | Maps Figures Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Kasper, J. W., J. M. Denver, and J. K. York. 2015. Suburban groundwater quality as influenced by turfgrass and septic sources, Delmarva Peninsula, USA. J. Environ. Qual. 44(2):p. 642-654. |
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| DOI: 10.2134/jeq2014.06.0280 |
| Web URL(s): https://www.dl.sciencesocieties.org/publications/jeq/articcles/44/2/642 Last checked: 11/02/2016 Access conditions: Item is within a limited-access website https://www.dl.sciencesocieties.org/publications/jeq/pdfs/44/2/642 Last checked: 11/02/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: b2225072a |
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