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Employment (1)

U.S. Department of the Interior: Denver, CO, US

1980 to 2022 | Geologist (U.S. Geological Survey)
Employment
Source: Self-asserted source
R. Randall Schumann

Education and qualifications (2)

Colorado State University: Fort Collins, CO, US

1985 | M.S. (Geology)
Education
Source: Self-asserted source
R. Randall Schumann

University of Colorado Boulder: Boulder, CO, US

1979 | B.A. (Geography)
Education
Source: Self-asserted source
R. Randall Schumann

Works (27)

A tale of two islands: tectonic and orbital controls on marine terrace reoccupation, Channel Islands National Park, California, USA

Journal of Quaternary Science
2024-02 | Journal article
Contributors: Daniel R. Muhs; Lindsey T. Groves; Kathleen R. Simmons; R. Randall Schumann; Stephen B. DeVogel
Source: check_circle
Crossref

Plant macrofossil data for 48-0 ka in the USGS North American Packrat Midden Database, version 5.0

Scientific Data
2024-01-12 | Journal article
Contributors: Laura E. Strickland; Robert S. Thompson; Sarah L. Shafer; Patrick J. Bartlein; Richard T. Pelltier; Katherine H. Anderson; R. Randall Schumann; Andrew K. McFadden
Source: check_circle
Crossref

Fluvial sedimentary history of Arlington Canyon, Channel Islands National Park, California

Journal of Quaternary Science
2019-10 | Journal article
Contributors: R. Randall Schumann; Jeffrey S. Pigati
Source: check_circle
Crossref

Reply to the discussion of Pinter et al. on 'Fluvial system response to late Pleistocene-Holocene sea-level change on Santa Rosa Island, Channel Islands National Park, California' by Schumann et al. (2016)

Geomorphology
2017 | Journal article
EID:

2-s2.0-85019041598

Contributors: Schumann, R.R.; Pigati, J.S.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Uranium delivery and uptake in a montane wetland, north-central Colorado, USA

Applied Geochemistry
2017 | Journal article
EID:

2-s2.0-85012100293

Contributors: Schumann, R.R.; Zielinski, R.A.; Otton, J.K.; Pantea, M.P.; Orem, W.H.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Fluvial system response to late Pleistocene-Holocene sea-level change on Santa Rosa Island, Channel Islands National Park, California

Geomorphology
2016-09 | Journal article
Contributors: R. Randall Schumann; Jeffrey S. Pigati; John P. McGeehin
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Late Quaternary sea-level history and the antiquity of mammoths (Mammuthus exilis and Mammuthus columbi), Channel Islands National Park, California, USA

Quaternary Research
2015-05 | Journal article
Contributors: Daniel R. Muhs; Kathleen R. Simmons; Lindsey T. Groves; John P. McGeehin; R. Randall Schumann; Larry D. Agenbroad
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Coastal tectonics on the eastern margin of the Pacific Rim: late Quaternary sea-level history and uplift rates, Channel Islands National Park, California, USA

Quaternary Science Reviews
2014 | Journal article
Contributors: Daniel R. Muhs; Kathleen R. Simmons; R. Randall Schumann; Lindsey T. Groves; Stephen B. DeVogel; Scott A. Minor; DeAnna Laurel
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Interpreting the Paleozoogeography and Sea Level History of Thermally Anomalous Marine Terrace Faunas: A Case Study from the Last Interglacial Complex of San Clemente Island, California

Monographs of the Western North American Naturalist
2014-01 | Journal article
Contributors: Daniel R. Muhs; Lindsey T. Groves; R. Randall Schumann
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search

Landscapes of Santa Rosa Island, Channel Islands National Park, California

Monographs of the Western North American Naturalist
2014-01 | Journal article
Contributors: R. Randall Schumann; Scott A. Minor; Daniel R. Muhs; Jeffrey S. Pigati
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search

Tectonic influences on the preservation of marine terraces: Old and new evidence from Santa Catalina Island, California

Geomorphology
2012 | Journal article
Contributors: R. Randall Schumann; Scott A. Minor; Daniel R. Muhs; Lindsey T. Groves; John P. McGeehin
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Sea-level history of past interglacial periods from uranium-series dating of corals, Curaçao, Leeward Antilles islands

Quaternary Research
2012-09 | Journal article
Contributors: Daniel R. Muhs; John M. Pandolfi; Kathleen R. Simmons; R. Randall Schumann
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Sea-level history during the Last Interglacial complex on San Nicolas Island, California: implications for glacial isostatic adjustment processes, paleozoogeography and tectonics

Quaternary Science Reviews
2012-03 | Journal article
Contributors: Daniel R. Muhs; Kathleen R. Simmons; R. Randall Schumann; Lindsey T. Groves; Jerry X. Mitrovica; DeAnna Laurel
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Sea-level history of the past two interglacial periods: new evidence from U-series dating of reef corals from south Florida

Quaternary Science Reviews
2011-03 | Journal article
Contributors: Daniel R. Muhs; Kathleen R. Simmons; R. Randall Schumann; Robert B. Halley
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Uranium in surface waters and sediments affected by historical mining in the Denver West 1:100,000 Quadrangle, Colorado

2008 | Report
Contributors: Robert A. Zielinski; James K. Otton; R. Randall Schumann; Laurie Wirt
Source: check_circle
Crossref

Geologic and climatic controls on the radon emanation coefficient

Environment International
1997 | Journal article
EID:

2-s2.0-0030741765

Contributors: Schumann, R.R.; Gundersen, L.C.S.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Mapping the radon potential of the united states: Examples from the Appalachians

Environment International
1997 | Journal article
EID:

2-s2.0-0030790627

Contributors: Gundersen, L.C.S.; Schumann, R.R.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Effects of weather and soil characteristics on temporal variations in soil-gas radon concentrations

Special Paper of the Geological Society of America
1992 | Book
EID:

2-s2.0-84879620905

Contributors: Schumann, R.R.; Owen, D.E.; Asher-Bolinder, S.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Geology of radon in the United States

Special Paper of the Geological Society of America
1992 | Book
EID:

2-s2.0-84879665560

Contributors: Gundersen, L.C.S.; Schumann, R.R.; Otton, J.K.; Dubiel, R.F.; Owen, D.E.; Dickinson, K.A.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Uranium and other elements in Colorado Rocky Mountain wetlands - a reconnaissance study

US Geological Survey Bulletin
1992 | Journal article
EID:

2-s2.0-0027061066

Contributors: Owen, D.E.; Otton, J.K.; Hills, F.A.; Schumann, R.R.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

A preliminary evaluation of environmental factors influencing day-to- day and seasonal soil-gas radon concentrations

US Geological Survey Bulletin
1991 | Journal article
EID:

2-s2.0-0026303066

Contributors: Asher-Bolinder, S.; Owen, D.E.; Schumann, R.R.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Regional radon characterizations

US Geological Survey Bulletin
1991 | Journal article
EID:

2-s2.0-0026296791

Contributors: Peake, R.T.; Schumann, R.R.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Uranium distribution and geology in the Fish Lake surficial uranium deposit, Esmeralda County, Nevada

US Geological Survey Bulletin
1990 | Journal article
EID:

2-s2.0-0025665650

Contributors: Macke, D.L.; Schumann, R.R.; Otton, J.K.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Pedologic and climatic controls on RN-222 concentrations in soil gas, Denver, Colorado

Geophys. Res. Lett.
1990-05 | Journal article
Contributors: Sigrid Asher-Bolinder; Douglass E. Owen; R. Randall Schumann
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Morphology of Red Creek, Wyoming, an arid-region anastomosing channel system

Earth Surf. Process. Landforms
1989-06 | Journal article
Contributors: R. Randall Schumann
Source: Self-asserted source
R. Randall Schumann via Crossref Metadata Search
grade
Preferred source (of 2)‎

Response of douglas fir (Pseudotsuga menziesii) to uraniferous groundwater in a small glaciated drainage, Northeastern Washington State

Journal of Geochemical Exploration
1987 | Journal article
EID:

2-s2.0-0023525355

Contributors: Zielinski, R.A.; Schumann, R.R.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier

Response of douglas fir (Pseudotsuga menziesii) to uraniferous groundwater in a small glaciated drainage, Northeastern Washington State

Journal of Geochemical Exploration
1987 | Journal article
EID:

2-s2.0-45949118535

Contributors: Zielinski, R.A.; Schumann, R.R.
Source: Self-asserted source
R. Randall Schumann via Scopus - Elsevier