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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/gwat.12454
|2 doi
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|a pubmed25n0879.xml
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|a (DE-627)NLM263889300
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|a (NLM)27576128
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Dietz, Michael E
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Permeable Asphalt
|b A New Tool to Reduce Road Salt Contamination of Groundwater in Urban Areas
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 08.12.2017
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2016, National Ground Water Association.
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|a Chloride contamination of groundwater in urban areas due to deicing is a well-documented phenomenon in northern climates. The objective of this study was to evaluate the effects of permeable pavement on degraded urban groundwater. Although low impact development practices have been shown to improve stormwater quality, no infiltration practice has been found to prevent road salt chlorides from entering groundwater. The few studies that have investigated chlorides in permeable asphalt have involved sampling directly beneath the asphalt; no research has looked more broadly at surrounding groundwater conditions. Monitoring wells were installed upgradient and downgradient of an 860 m2 permeable asphalt parking lot at the University of Connecticut (Storrs, Connecticut). Water level and specific conductance were measured continuously, and biweekly samples were analyzed for chloride. Samples were also analyzed for sodium (Na), calcium (Ca), and magnesium (Mg). Analysis of variance analysis indicated a significantly (p < 0.001) lower geometric mean Cl concentration downgradient (303.7 mg/L) as compared to upgradient (1280 mg/L). Concentrations of all alkali metals increased upgradient and downgradient during the winter months as compared to nonwinter months, indicating that cation exchange likely occurred. Despite the frequent high peaks of chloride in the winter months as well as the increases in alkali metals observed, monitoring revealed lower Cl concentrations downgradient than upgradient for the majority of the year. These results suggest that the use of permeable asphalt in impacted urban environments with high ambient chloride concentrations can be beneficial to shallow groundwater quality, although these results may not be generalizable to areas with low ambient chloride concentrations
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|a Journal Article
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|a Hydrocarbons
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a asphalt
|2 NLM
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| 650 |
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7 |
|a 8052-42-4
|2 NLM
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| 700 |
1 |
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|a Angel, Derek R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Robbins, Gary A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a McNaboe, Lukas A
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Ground water
|d 1998
|g 55(2017), 2 vom: 06. März, Seite 237-243
|w (DE-627)NLM098182528
|x 1745-6584
|7 nnns
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| 773 |
1 |
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|g volume:55
|g year:2017
|g number:2
|g day:06
|g month:03
|g pages:237-243
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|u http://dx.doi.org/10.1111/gwat.12454
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 55
|j 2017
|e 2
|b 06
|c 03
|h 237-243
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