Concepedia

Thomas M. Johnson

TM

Statistics

Publications

78

Citations

6.8K

H-Index

48

Active since

1994

Affiliations

University of Illinois Urbana-Champaign(Current)

United States Geological Survey

Lawrence Berkeley National Laboratory

University of California, Berkeley

Institute of Geochemistry

Thomas M. Johnson is an author at University of Illinois Urbana-Champaign specializing in natural sciences, earth sciences, and geochemistry.

Publications per year

1994–2023

78

Publications

78

Low Mid-Proterozoic atmospheric oxygen levels and the delayed rise of animals

Noah J. Planavsky, Christopher T. Reinhard, Xiangli Wang et al. · Science · 2014 · 760 citations

Natural Sciences, Earth Sciences, Paleontology +16

Evidence for oxygenic photosynthesis half a billion years before the Great Oxidation Event

Noah J. Planavsky, Dan Asael, Axel Hofmann et al. · Nature Geoscience · 2014 · 607 citations

Life Sciences, Biology, Plant Biology +14

Chromium Isotopes and the Fate of Hexavalent Chromium in the Environment

A. S. Ellis, Thomas M. Johnson, Thomas D. Bullen · Science · 2002 · 485 citations

Natural Sciences, Chemistry, Environmental Sciences +17

Groundwater Age and Groundwater Age Dating

Craig M. Bethke, Thomas M. Johnson · Annual Review of Earth and Planetary Sciences · 2007 · 337 citations

Natural Sciences, Earth Sciences, Geology +17

Using Chromium Stable Isotope Ratios To Quantify Cr(VI) Reduction: Lack of Sorption Effects

A. S. Ellis, Thomas M. Johnson, Thomas D. Bullen · Environmental Science & Technology · 2004 · 164 citations

Natural Sciences, Chemistry, Earth Sciences +15

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