Research Topics
| Francis H ChapelleSummaryAffiliation: U.S. Geological Survey Country: USA Publications
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Detail Information
Publications
Rapid evolution of redox processes in a petroleum hydrocarbon-contaminated aquiferFrancis H Chapelle
US Geological Survey, Columbia, SC 29210, USA
Ground Water 40:353-60. 2002....
Natural attenuation of chlorinated solvents at Area 6, Dover Air Force Base: groundwater biogeochemistryMichael E Witt
Toxicology and Environmental Research and Consulting, The Dow Chemical Company, Midland, MI 48674, USA
J Contam Hydrol 57:61-80. 2002..Therefore, the contaminant and daughter product plumes present at the site appear to have been naturally atteuated by a combination of active anaerobic and aerobic biotransformation processes...
Dissolved oxygen as an indicator of bioavailable dissolved organic carbon in groundwaterFrancis H Chapelle
U S Geological Survey, South Carolina Water Science Center, Columbia, SC 29210, USA
Ground Water 50:230-41. 2012..This, in turn, suggests that the presence/absence of a hyperbolic DO-DOC relationship may be a qualitative indicator of relative DOC bioavailability in groundwater systems...
Biochemical indicators for the bioavailability of organic carbon in ground waterFrancis H Chapelle
U S Geological Survey, South Carolina Water Science Center, Columbia, SC 29210, USA
Ground Water 47:108-21. 2009..These observations suggest that biochemical indicators such as THNS and THAA may provide information concerning the bioavailability of organic carbon present in ground water that is not available from TOC measurements alone...
Hydrologic significance of carbon monoxide concentrations in ground waterFrancis H Chapelle
U S Geological Survey, 720 Gracern Road, Suite 129, Columbia, SC 29210, USA
Ground Water 45:272-80. 2007....
Distinguishing iron-reducing from sulfate-reducing conditionsFrancis H Chapelle
U S Geological Survey, South Carolina Water Science Center, Columbia, SC 29210, USA
Ground Water 47:300-5. 2009..These observations suggest that Fe(2+)/H(2)S mass ratios may provide useful information concerning the occurrence and distribution of iron and sulfate reduction in ground water systems...
Biodegradation of 17beta-estradiol, estrone and testosterone in stream sedimentsPaul M Bradley
U S Geological Survey, 720 Gracern Rd, Suite 129, Columbia, South Carolina 29210 7651, USA
Environ Sci Technol 43:1902-10. 2009....
Fate of sulfamethoxazole, 4-nonylphenol, and 17beta-estradiol in groundwater contaminated by wastewater treatment plant effluentLarry B Barber
U S Geological Survey, 3215 Marine Street, Boulder, Colorado 80303, USA
Environ Sci Technol 43:4843-50. 2009..There was little difference in mineralization potential between sites...
Shallow groundwater mercury supply in a Coastal Plain streamPaul M Bradley
U S Geological Survey, Columbia, South Carolina, United States
Environ Sci Technol 46:7503-11. 2012..These results illustrate the importance of riparian wetland/floodplain areas as sources of fluvial MeHg and of groundwater Hg transport as a fundamental control on Hg supply to Coastal Plain streams...
Potential for 4-n-nonylphenol biodegradation in stream sedimentsPaul M Bradley
US Geological Survey, Columbia, SC 29210 7651, USA
Environ Toxicol Chem 27:260-5. 2008..These results suggest WWTP procedures that maximize the delivery of dissolved oxygen while minimizing the release of BOD to stream receptors favor efficient biodegradation of 4-NP contaminants in wastewater-impacted stream environments...
Flood hydrology and methylmercury availability in coastal plain riversPaul M Bradley
US Geological Survey, 720 Gracern Rd, Suite 129, Columbia, South Carolina 29210 7651, United States
Environ Sci Technol 44:9285-90. 2010....
Biotransformation of caffeine, cotinine, and nicotine in stream sediments: implications for use as wastewater indicatorsPaul M Bradley
U S Geological Survey, 720 Gracern Road, Suite 129, Columbia, South Carolina 29210 7651, USA
Environ Toxicol Chem 26:1116-21. 2007..The potential for in situ biotransformation must be considered if these compounds are employed as markers to identify the sources and track the fate of wastewater compounds in surface-water systems...
A simple pore water hydrogen diffusion syringe samplerDon A Vroblesky
U S Geological Survey, 720 Gracern Road, Columbia, SC 29210 7651, USA
Ground Water 45:798-802. 2007....
Assessing the Relative Bioavailability of DOC in Regional Groundwater SystemsFrancis H Chapelle
U S Geological Survey, South Carolina Water Science Center, Columbia, SC 29210 U S Geological Survey, Colorado Water Science Center, Denver Federal Center, MS 415, Bldg 53, Rm E 2313, Lakewood, CO 80225
Ground Water 51:363-72. 2013..These results are uniformly consistent with the hypothesis that the hyperbolic behavior of DOC-DO plots, as quantified by the RRQ metric, can be an indicator of relative DOC bioavailability in groundwater systems...
TBA biodegradation in surface-water sediments under aerobic and anaerobic conditionsPaul M Bradley
U S Geological Survey, 720 Gracern Rd, Suite 129, Columbia, South Carolina 29210 7651, USA
Environ Sci Technol 36:4087-90. 2002..No degradation of [U-14C] TBA was observed under methanogenic or Fe(III)-reducing conditions...
A hydrogen-based subsurface microbial community dominated by methanogensFrancis H Chapelle
US Geological Survey, Columbia, South Carolina 29210, USA
Nature 415:312-5. 2002..These results demonstrate that hydrogen-based methanogenic communities do occur in Earth's subsurface, providing an analogue for possible subsurface microbial ecosystems on other planets...
