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Steve Warren- Website

Courses Taught

Course #
% Responsible
Sp 2013ESS/ATMS532/511 snow and ice34 (rating by students 4.5)100
Au 2013ATMS533 radiation34 (rating by students 4.6)100
Au 2013ESS431/505 glaciology42520
Au 2013ESS/ATMS/OCEAN519 writing217 (rating by students 3.8)85
Wi 2014ATMS532 radiation314 (rating by students 4.9)100
Sp 2014ESS/ATMS531/510 physics of ice36 (rating by students 4.4)100
Wi 2015ESS/ATMS519 writing211 (rating by students 3.9)80
Wi 2015ESS/ATMS532/511 snow and ice38 (rating by students 4.2)100
Wi 2016ESS/ATMS531/510 physics of ice3450
Au 2016ESS/ATMS/OCEAN519 writing216 (rating by students 4.7)85
Wi 2017ESS/ATMS532/511 snow and ice3850

UW Class Seminars and Lectures

Course #
Type of Instruction / Title of Talk
10April2017ATMS533ATGMonte Carlo method for radiative transfer
10April2017ATMS220BagleyResearch in the Arctic and Antarctic

Awards and Honors

Award Name
Date Bestowed
Awarding Body
Brief Description
AGU FellowDecember 2016AGU

Professional Talks and Presentations

4 April 2017Willamette UniversityinvitedtalkCan human populations be stabilized?
22 Feb 2017NASA GoddardinvitedtalkClimate of Antarctica
21 Feb 2017NASA GoddardinvitedtalkOcean surfaces on Snowball Earth
17 Jan 2017Purdue Univ., Dept. of Agricultural EconomicsinvitedtalkWill human populations be limited by food?
15 Dec 2016AGUAnnual meeting; session on talks by new fellowsinvitedtalkFrom enzymes and viruses to clouds, snow, sea-glaciers, and green icebergs: How a protein crystallographer got into glaciology and atmospheric radiation
12 Dec 2016AGUAnnual meeting; Union Session on Food, Water, EnergyinvitedtalkWill human populations be limited by food?
July 2015University of Chile, SantiagoinvitedtalkBlack carbon in snow
October 2015National Institute of Polar Research, Japan (NIPR)invitedtalkBlack carbon in snow
October 2015NIPRinvitedtalkOcean surfaces on Snowball Earth
October 2015Meteorological Research Institute, JapaninvitedtalkBlack carbon in snow
November 2015Hokkaido UniversityinvitedtalkBlack carbon in snow

Public and Community Service

Type of Service
23 April 2017Vashon Island Earth Dayslideshow "sea ice and icebergs"

Recent Publications and Manuscripts in the Press

Hoffman, P.F., D.S. Abbot, Y. Ashkenazy, D.I. Benn, P.A. Cohen, G.M. Cox, J.R. Creveling, Y. Donnadieu, D.H. Erwin, I.J. Fairchild, D. Ferreira, J.C. Goodman, G.P. Halverson, M.F. Jansen, G. Le Hir, G.D. Love, F.A. Macdonald, A.C. Maloof, G. Ramstein, B.E.J. Rose, C.V. Rose, E. Tziperman, A. Voigt, and S.G. Warren, 2017: Climate dynamics of Snowball Earth and Cryogenian geology-geobiology. Submitted to Science Advances.

Campbell, A.J., B. Massarano, E.D. Waddington, and S.G. Warren, 2017: Could promontories have restricted sea-glacier penetration into marine embayments during Snowball Earth events? The Cryosphere Discuss., doi:10.5194/tc-2016-203.

Dang, C., Q. Fu, and S.G. Warren, 2016: Effect of snow grain shape on snow albedo. J. Atmos. Sci., 73, 3573-3583. doi:10.1175/JAS-D-15-0276.1

Doherty, S.J., D.A. Hegg, J.E. Johnson, P.K. Quinn, J.P. Schwarz, C. Dang, and S.G. Warren, 2016: Causes of variability in light absorption by particles in snow at sites in Idaho and Utah. J. Geophys. Res. (Atmospheres), 121, 4751–4768, doi:10.1002/2015JD024375.

Light, B., R.C. Carns, and S.G. Warren, 2016: The spectral albedo of sea ice and salt crusts on the tropical ocean of Snowball Earth: I. Laboratory measurements. J. Geophys. Res. (Oceans), 121, 4966-4979, doi:10.1002/2016JC011803.

Carns, R.C., B. Light, and S.G. Warren, 2016: The spectral albedo of sea ice and salt crusts on the tropical ocean of Snowball Earth: II. Optical modeling. J. Geophys. Res. (Oceans), 121, 5217-5230, doi:10.1002/2016JC011804.

Warren, S.G., 2016. Reply to comment on “Can human populations be stabilized?”, Earth’s Future, 3, doi:10.1002/2015EF000341.


Tedesco, M., S. Doherty, S. Warren, J. Stroeve, P. Alexander, X. Fettweis, and M. Tranter, 2015: What darkens the Greenland ice sheet? EOS, 96, 5-7.

Carns, R.C., R.E. Brandt, and S.G. Warren, 2015: Salt precipitation in sea ice and its effect on albedo, with application to Snowball Earth. Submitted to J. Geophys. Res. (Oceans),120, 7400–7412,doi:10.1002/2015JC011119.

Doherty, S., M. Steele, I. Rigor, and S.G. Warren, 2015: Interannual variations of light-absorbing particles in snow on Arctic sea ice. J. Geophys. Res. (Atmospheres), 120, 11391-11400, doi:10.1002/2015JD024018.

Light, B., R.C. Carns, and S.G. Warren, 2015: “Albedo dome”: A method for measuring spectral flux-reflectance in a laboratory for media with long optical paths. Applied Optics, 54, 5260-5269.

Dang, C., R.E. Brandt, and S.G. Warren, 2015: Parameterizations for narrowband and broadband albedo of pure snow, and snow containing mineral dust and black carbon. J. Geophys. Res., 120, doi:10.1002/2014JD022646.

Zatko, M.C., and S.G. Warren (2015), East Antarctic sea ice in spring: spectral albedo of snow, nilas, frost flowers, and slush; and light-absorbing impurities in snow, Annals of Glaciology, 56, 53-64, doi:10.3189/2015AoG69A574.

Warren, S.G., 2015: Can human populations be stabilized? Earth’s Future, 3, 82-94.

Qian, Y., T.J. Yasunari, S.J. Doherty, M.G. Flanner, W.K.M. Lau, J. Ming, H. Wang, M. Wang, S.G. Warren, and R. Zhang, 2015: Light-absorbing particles in snow and ice: Measurement and modeling of climatic and hydrological impact. Adv. Atmos. Sci., 32, 64-91.


Doherty, S.J., C. Dang, D.A. Hegg, R. Zhang, and S.G. Warren, 2014: Black carbon and other light-absorbing particles in snow of central North America. J. Geophys. Res., 119, 12807-12831, doi:10.1002/2014JD022350.

Warren, S.G., R. Eastman, and C.J. Hahn, 2014: Cloud climatology. Encyclopedia of Atmospheric Sciences. Oxford University Press.

Eastman, R., and S.G. Warren, 2014: Diurnal cycles of cumulus, cumulonimbus, stratus, stratocumulus, and fog from surface observations over land and ocean. J. Climate, 27, 2386-2404.

Campbell, A.J., E.D. Waddington, and S.G. Warren, 2014: Refugium for surface life on Snowball Earth in a nearly-enclosed sea? A numerical solution for sea-glacier invasion through a narrow strait. J. Geophys. Res., 119, 2679-2690, doi:10.1002/2013JC009703.

Warren, S.G., 2014: Role of black carbon in the Arctic’s new normal. Physics Today (letter), 67, 8-9.


T.C. Bond, S.J. Doherty, D.W. Fahey, P.M. Forster, T. Berntsen, B.J. DeAngelo, M.G. Flanner, S. Ghan, B. Kärcher, D. Koch, S. Kinne, Y. Kondo, P.K. Quinn, M.C. Sarofim, M.G. Schultz, M. Schulz, C. Venkataraman, H. Zhang, S. Zhang, N. Bellouin, S.K. Guttikunda, P.K. Hopke, M.Z. Jacobson, J.W. Kaiser, Z. Klimont, U. Lohmann, J.P. Schwarz, D. Shindell, T. Storelvmo, S.G. Warren, and C.S. Zender, 2013: Bounding the role of black carbon in the climate system: A scientific assessment. J. Geophys. Res. (Atmospheres), 118, 1-173, doi:10.1002/jgrd.50171.

Warren, S.G., 2013: Can black carbon in snow be detected by remote sensing? J. Geophys. Res.,118, 779-786, doi:10.1029/2012JD018476.

Eastman, R., and S.G. Warren, 2013: A 39-year survey of cloud changes from land stations worldwide 1971-2009: Long-term trends, relation to aerosols, and expansion of the tropical belt. J. Climate, 26, 1286-1303.

Doherty, S.J., T.C. Grenfell, S. Forsström, D.L. Hegg, R.E. Brandt, and S.G. Warren, 2013: Observed vertical redistribution of black carbon and other insoluble light-absorbing particles in melting snow. J. Geophys. Res., 118, doi:10.1002/jgrd.50235.

Dadic, R., P.C. Mullen, M. Schneebeli, R.E. Brandt, and S.G. Warren, 2013: Effects of bubbles, cracks, and volcanic tephra on the spectral albedo of bare ice near the Trans-Antarctic Mountains: implications for sea-glaciers on Snowball Earth. J. Geophys. Res. (Earth Surfaces), 118, doi:10.1002/jgrf.20098.

Current Research Interests

Atmospheric radiation, surface-atmosphere interaction in the polar regions, climates of Arctic and Antarctic.