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Brian C. Thomas
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Did a gamma-ray burst initiate the late Ordovician mass extinction?
AL Melott, BS Lieberman, CM Laird, LD Martin, MV Medvedev, ...
International Journal of Astrobiology 3 (1), 55-61, 2004
2232004
Gamma-ray bursts and the Earth: Exploration of atmospheric, biological, climatic, and biogeochemical effects
BC Thomas, AL Melott, CH Jackman, CM Laird, MV Medvedev, ...
The Astrophysical Journal 634 (1), 509, 2005
1432005
Astrophysical ionizing radiation and Earth: a brief review and census of intermittent intense sources
AL Melott, BC Thomas
Astrobiology 11 (4), 343-361, 2011
1012011
Causes of an AD 774–775 14C increase
AL Melott, BC Thomas
Nature 491 (7426), E1-E2, 2012
842012
Terrestrial effects of possible astrophysical sources of an AD 774‐775 increase in 14C production
BC Thomas, AL Melott, KR Arkenberg, BR Snyder
Geophysical Research Letters 40 (6), 1237-1240, 2013
762013
Terrestrial ozone depletion due to a Milky Way gamma-ray burst
BC Thomas, CH Jackman, AL Melott, CM Laird, RS Stolarski, N Gehrels, ...
The Astrophysical Journal 622 (2), L153, 2005
712005
Late Ordovician geographic patterns of extinction compared with simulations of astrophysical ionizing radiation damage
AL Melott, BC Thomas
Paleobiology 35 (3), 311-320, 2009
652009
Extraordinary biomass-burning episode and impact winter triggered by the Younger Dryas cosmic impact∼ 12,800 years ago. 2. Lake, marine, and terrestrial sediments
WS Wolbach, JP Ballard, PA Mayewski, AC Parnell, N Cahill, V Adedeji, ...
The Journal of Geology 126 (2), 185-205, 2018
612018
Extraordinary biomass-burning episode and impact winter triggered by the Younger Dryas cosmic impact∼ 12,800 years ago. 1. Ice cores and glaciers
WS Wolbach, JP Ballard, PA Mayewski, V Adedeji, TE Bunch, ...
The Journal of Geology 126 (2), 165-184, 2018
592018
Modeling atmospheric effects of the September 1859 solar flare
BC Thomas, CH Jackman, AL Melott
Geophysical Research Letters 34 (6), 2007
582007
Terrestrial consequences of spectral and temporal variability in ionizing photon events
LM Ejzak, AL Melott, MV Medvedev, BC Thomas
The Astrophysical Journal 654 (1), 373, 2007
542007
A supernova at 50 pc: effects on the Earth's atmosphere and biota
AL Melott, BC Thomas, M Kachelriess, DV Semikoz, AC Overholt
The Astrophysical Journal 840 (2), 105, 2017
482017
Cometary airbursts and atmospheric chemistry: Tunguska and a candidate Younger Dryas event
AL Melott, BC Thomas, G Dreschhoff, CK Johnson
Geology 38 (4), 355-358, 2010
442010
Climatic and biogeochemical effects of a galactic gamma ray burst
AL Melott, BC Thomas, DP Hogan, LM Ejzak, CH Jackman
Geophysical research letters 32 (14), 2005
392005
Terrestrial effects of nearby supernovae in the early Pleistocene
BC Thomas, EE Engler, M Kachelrieß, AL Melott, AC Overholt, ...
The Astrophysical Journal Letters 826 (1), L3, 2016
382016
Supernova triggers for end-Devonian extinctions
BD Fields, AL Melott, J Ellis, AF Ertel, BJ Fry, BS Lieberman, Z Liu, ...
Proceedings of the National Academy of Sciences 117 (35), 21008-21010, 2020
342020
Solar irradiance changes and phytoplankton productivity in Earth's ocean following astrophysical ionizing radiation events
PJ Neale, BC Thomas
Astrobiology 16 (4), 245-258, 2016
312016
Lookup tables to compute high energy cosmic ray induced atmospheric ionization and changes in atmospheric chemistry
D Atri, AL Melott, BC Thomas
Journal of Cosmology and Astroparticle Physics 2010 (05), 008, 2010
252010
Gamma-ray bursts as a threat to life on Earth
BC Thomas
International Journal of Astrobiology 8 (3), 183-186, 2009
242009
Superluminous supernovae: no threat from η Carinae
BC Thomas, AL Melott, BD Fields, BJ Anthony-Twarog
Astrobiology 8 (1), 9-16, 2008
222008
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