User profiles for C. J. Paradis

Charles J. Paradis

UW-Milwaukee
Verified email at uwm.edu
Cited by 494

[HTML][HTML] Microbial community composition and diversity in Caspian Sea sediments

…, SM Techtmann, DC Joyner, CJ Paradis… - FEMS Microbiology …, 2015 - ncbi.nlm.nih.gov
The Caspian Sea is heavily polluted due to industrial and agricultural effluents as well as
extraction of oil and gas reserves. Microbial communities can influence the fate of …

Push-pull tests for estimating effective porosity: expanded analytical solution and in situ application

CJ Paradis, LD McKay, E Perfect, JD Istok… - Hydrogeology …, 2017 - osti.gov
The analytical solution describing the onedimensional displacement of the center of mass of
a tracer during an injection, drift, and extraction test (push-pull test) was expanded to …

[HTML][HTML] Characterization of subsurface media from locations up-and down-gradient of a uranium-contaminated aquifer

JW Moon, CJ Paradis, DC Joyner, F von Netzer… - Chemosphere, 2020 - Elsevier
The processing of sediment to accurately characterize the spatially-resolved depth profiles
of geophysical and geochemical properties along with signatures of microbial density and …

Iron‐and aluminium‐induced depletion of molybdenum in acidic environments impedes the nitrogen cycle

…, WA Lancaster, JW Moon, CJ Paradis… - Environmental …, 2019 - Wiley Online Library
Anthropogenic nitrate contamination is a serious problem in many natural environments.
Nitrate removal by microbial action is dependent on the metal molybdenum (Mo), which is …

[HTML][HTML] In situ mobility of uranium in the presence of nitrate following sulfate-reducing conditions

CJ Paradis, S Jagadamma, DB Watson… - Journal of Contaminant …, 2016 - Elsevier
Reoxidation and mobilization of previously reduced and immobilized uranium by dissolved-phase
oxidants poses a significant challenge for remediating uranium-contaminated …

[HTML][HTML] Single-well push–pull tracer test analyses to determine aquifer reactive transport parameters at a former uranium mill site (Grand Junction, Colorado)

RH Johnson, CJ Paradis, RD Kent, AD Tigar… - Minerals, 2023 - mdpi.com
At a former uranium mill site where tailings have been removed, prior work has determined
several potential ongoing secondary uranium sources. These include locations with uranium …

Field experiments of surface water to groundwater recharge to characterize the mobility of uranium and vanadium at a former mill tailing site

CJ Paradis, RH Johnson, AD Tigar, KB Sauer… - Journal of contaminant …, 2020 - Elsevier
Characterizing the mobility of uranium and vanadium in groundwater with a hydraulic
connection to surface water is important to inform the best management practices of former mill …

Halophilic bacteria in a Lake Michigan drainage basin as potential biological indicators of chloride-impacted freshwaters

EK Passante, LE Dechant, CJ Paradis… - Science of The Total …, 2022 - Elsevier
There are few biological indicators for freshwater systems subjected to high chloride levels.
Freshwater systems receive many forms of chloride such as road salts (eg, NaCl, CaCl 2 , …

[HTML][HTML] Cross-Hole and Vadose-Zone Infiltration Tracer Test Analyses to Determine Aquifer Reactive Transport Parameters at a Former Uranium Mill Site (Grand …

…, RD Kent, AD Tigar, CD Richardson, CJ Paradis… - Minerals, 2023 - mdpi.com
The US Department of Energy Office of Legacy Management is responsible for the long-term
care and maintenance of former uranium mill sites in the United States. Prior predictions of …

Sustained ability of a natural microbial community to remove nitrate from groundwater

CJ Paradis, JI Miller, JW Moon, SJ Spencer… - …, 2022 - Wiley Online Library
… The addition of ethanol (≈1400 mg/L) at the study site was previously shown to serve as a
suitable electron donor to stimulate uranium removal (Paradis et al. 2016) whereas the focus …