Thomas M. Johnson
Thomas M. Johnson
Professor of Geology
Verified email at - Homepage
Cited by
Cited by
Low Mid-Proterozoic atmospheric oxygen levels and the delayed rise of animals
NJ Planavsky, CT Reinhard, X Wang, D Thomson, P McGoldrick, ...
science 346 (6209), 635-638, 2014
Chromium isotopes and the fate of hexavalent chromium in the environment
AS Ellis, TM Johnson, TD Bullen
Science 295 (5562), 2060-2062, 2002
Evidence for oxygenic photosynthesis half a billion years before the Great Oxidation Event
NJ Planavsky, D Asael, A Hofmann, CT Reinhard, SV Lalonde, ...
Nature Geoscience 7 (4), 283-286, 2014
Groundwater age and groundwater age dating
CM Bethke, TM Johnson
Annu. Rev. Earth Planet. Sci. 36, 121-152, 2008
Selenium isotope ratios as indicators of selenium sources and oxyanion reduction
TM Johnson, MJ Herbel, TD Bullen, PT Zawislanski
Geochimica et cosmochimica Acta 63 (18), 2775-2783, 1999
Using chromium stable isotope ratios to quantify Cr (VI) reduction: lack of sorption effects
AS Ellis, TM Johnson, TD Bullen
Environmental science & technology 38 (13), 3604-3607, 2004
Interpretation of isotopic data in groundwater‐rock systems: Model development and application to Sr isotope data from Yucca Mountain
TM Johnson, DJ DePaolo
Water Resources Research 30 (5), 1571-1587, 1994
Mass-dependent fractionation of selenium and chromium isotopes in low-temperature environments
TM Johnson, TD Bullen
Reviews in mineralogy and geochemistry 55 (1), 289-317, 2004
Microbial mass-dependent fractionation of chromium isotopes
ER Sikora, TM Johnson, TD Bullen
Geochimica et Cosmochimica Acta 72 (15), 3631-3641, 2008
Selenium isotope fractionation during reduction by Fe (II)-Fe (III) hydroxide-sulfate (green rust)
TM Johnson, TD Bullen
Geochimica et Cosmochimica Acta 67 (3), 413-419, 2003
A review of mass-dependent fractionation of selenium isotopes and implications for other heavy stable isotopes
TM Johnson
Chemical Geology 204 (3-4), 201-214, 2004
Variations in 238U/235U in uranium ore deposits: Isotopic signatures of the U reduction process?
CJ Bopp IV, CC Lundstrom, TM Johnson, JJG Glessner
Geology 37 (7), 611-614, 2009
Uranium 238U/235U Isotope Ratios as Indicators of Reduction: Results from an in situ Biostimulation Experiment at Rifle, Colorado, U.S.A.
CJ Bopp IV, CC Lundstrom, TM Johnson, RA Sanford, PE Long, ...
Environmental science & technology 44 (15), 5927-5933, 2010
Fractionation of selenium isotopes during bacterial respiratory reduction of selenium oxyanions
MJ Herbel, TM Johnson, RS Oremland, TD Bullen
Geochimica et Cosmochimica Acta 64 (21), 3701-3709, 2000
Stable isotope fractionation of selenium by natural microbial consortia
AS Ellis, TM Johnson, MJ Herbel, TD Bullen
Chemical Geology 195 (1-4), 119-129, 2003
Uranium isotopic fractionation factors during U (VI) reduction by bacterial isolates
A Basu, RA Sanford, TM Johnson, CC Lundstrom, FE Löffler
Geochimica et Cosmochimica Acta 136, 100-113, 2014
Effective isotopic fractionation factors for solute removal by reactive sediments: A laboratory microcosm and slurry study
SK Clark, TM Johnson
Environmental science & technology 42 (21), 7850-7855, 2008
Cr stable isotopes as indicators of Cr (VI) reduction in groundwater: a detailed time-series study of a point-source plume
EC Berna, TM Johnson, RS Makdisi, A Basu
Environmental science & technology 44 (3), 1043-1048, 2010
Paradox of groundwater age
CM Bethke, TM Johnson
Geology 30 (2), 107-110, 2002
Reconstruction of the water table from self‐potential data: A Bayesian approach
A Jardani, A Revil, W Barrash, A Crespy, E Rizzo, S Straface, M Cardiff, ...
Groundwater 47 (2), 213-227, 2009
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