Concepedia

J. H. Wittke

JH

29

Publications

1.5K

Citations

20

H-Index

1989

Active since

Affiliations

Northern Arizona University(Current)

University of California, Santa Barbara

DePaul University

University of Oregon

United States Geological Survey

J. H. Wittke is an author at Northern Arizona University specializing in engineering, geology, and earth science.

Top concepts

Publications per year

1989–2023

29

Publications

29

Evidence for deposition of 10 million tonnes of impact spherules across four continents 12,800 y ago

J. H. Wittke, James C. Weaver, T. E. Bunch et al. · Proceedings of the National Academy of Sciences · 2013 · 140 citations · Full text

Very high-temperature impact melt products as evidence for cosmic airbursts and impacts 12,900 years ago

T. E. Bunch, Robert Hermes, A. M. T. Moore et al. · Proceedings of the National Academy of Sciences · 2012 · 132 citations · Full text

Evidence from central Mexico supporting the Younger Dryas extraterrestrial impact hypothesis

Isabel Israde-Alcántara, James L. Bischoff, Gabriela Domínguez-Vázquez et al. · Proceedings of the National Academy of Sciences · 2012 · 121 citations · Full text

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Bayesian chronological analyses consistent with synchronous age of 12,835–12,735 Cal B.P. for Younger Dryas boundary on four continents

James P. Kennett, Douglas J. Kennett, Brendan J. Culleton et al. · Proceedings of the National Academy of Sciences · 2015 · 105 citations · Full text

Shock-synthesized hexagonal diamonds in Younger Dryas boundary sediments

Douglas J. Kennett, James P. Kennett, Allen West et al. · Proceedings of the National Academy of Sciences · 2009 · 102 citations · Full text

, , +15

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