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Jack C Parker

Explore the profile of Jack C Parker including associated specialties, affiliations and a list of published articles. Areas
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Citations 27
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Recent Articles
1.
Paradis C, Dixon E, Lui L, Arkin A, Parker J, Istok J, et al.
Ground Water . 2018 Apr; 57(2):292-302. PMID: 29656383
The breakthrough curve obtained from a single-well push-pull test can be adjusted to account for dilution of the injection fluid in the aquifer fluid. The dilution-adjusted breakthrough curve can be...
2.
Parker J, Kim U
J Contam Hydrol . 2015 Sep; 182:157-72. PMID: 26398901
The mono-continuum advection-dispersion equation (mADE) is commonly regarded as unsuitable for application to media that exhibit rapid breakthrough and extended tailing associated with diffusion between high and low permeability regions....
3.
Kim Y, Brooks S, Zhang F, Parker J, Moon J, Roh Y
J Environ Radioact . 2014 Dec; 139:154-162. PMID: 25464052
Batch and column experiments were conducted to investigate sorption and transport of uranium (U) in the presence of saprolite derived from interbedded shale, limestone, and sandstone sequences. Sorption kinetics were...
4.
Tang G, Watson D, Wu W, Schadt C, Parker J, Brooks S
Environ Sci Technol . 2013 Feb; 47(7):3218-25. PMID: 23438796
We amended a shallow fast-flowing uranium (U) contaminated aquifer with emulsified vegetable oil (EVO) and subsequently monitored the biogeochemical responses for over a year. Using a biogeochemical model developed in...
5.
Tang G, Wu W, Watson D, Parker J, Schadt C, Shi X, et al.
Environ Sci Technol . 2013 Feb; 47(7):3209-17. PMID: 23397992
We conducted microcosm tests and biogeochemical modeling to study U(VI) reduction in contaminated sediments amended with emulsified vegetable oil (EVO). Indigenous microorganisms in the sediments degraded EVO and stimulated Fe(III),...
6.
Tang G, Watson D, Parker J, Brooks S
Ground Water . 2011 Jul; 50(4):614-20. PMID: 21797850
Two-well tracer tests are often conducted to investigate subsurface solute transport in the field. Analyzing breakthrough curves in extraction and monitoring wells using numerical methods is nontrivial due to highly...
7.
Zhang F, Luo W, Parker J, Brooks S, Watson D, Jardine P, et al.
J Hazard Mater . 2011 May; 190(1-3):863-8. PMID: 21531075
This study investigates reactive transport modeling in a column of uranium(VI)-contaminated sediments with base additions in the circulating influent. The groundwater and sediment exhibit oxic conditions with low pH, high...
8.
Zhang F, Wu W, Parker J, Mehlhorn T, Kelly S, Kemner K, et al.
J Hazard Mater . 2010 Aug; 183(1-3):482-9. PMID: 20702039
Microcosm tests with uranium contaminated sediments were performed to explore the feasibility of using oleate as a slow-release electron donor for U(VI) reduction in comparison to ethanol. Oleate degradation proceeded...
9.
Zhang F, Parker J, Brooks S, Watson D, Jardine P, Gu B
J Hazard Mater . 2010 Feb; 178(1-3):42-8. PMID: 20116923
This study investigates uranium and technetium sorption onto aluminum and iron hydroxides during titration of acidic groundwater. The contaminated groundwater exhibits oxic conditions with high concentrations of NO(3)(-), SO(4)(2-), U,...
10.
Zhang F, Luo W, Parker J, Spalding B, Brooks S, Watson D, et al.
Environ Sci Technol . 2008 Nov; 42(21):8007-13. PMID: 19031894
Many geochemical reactions that control aqueous metal concentrations are directly affected by solution pH. However, changes in solution pH are strongly buffered by various aqueous phase and solid phase precipitation/dissolution...