DATASETS AVAILABLE

Global cloud climatology (maps and digital values). More detailed data are available from Department of Energy at Oak Ridge National Laboratory, as Numeric Data Packages NDP-026c NDP-026d


Optical constants of ice


PUBLICATIONS


Submitted

Warren, S.G., and R.E. Brandt, 2008: Optical constants of ice from the ultraviolet to the microwave: A revised compilation. Submitted to J. Geophys. Res.
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Town, M.S., E.D. Waddington, V.P. Walden, and S.G. Warren, 2007: Temperatures, heating rates, and vapour pressures in the near-surface snow at the South Pole. J. Glaciology, in press.
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Yang, P., Z. Zhang, G.W. Kattawar, S.G. Warren, B.A. Baum, H.L. Huang, Y.X. Hu, and D. Winker, 2008: Effect of cavities on the optical properties of bullet rosettes: Implications for active and passive remote sensing of ice cloud properties. J. Appl. Meteor. Climatol., in press.
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2007

Hudson, S.R., and S.G. Warren, 2007: An explanation for the effect of clouds over snow on the top-of-atmosphere bidirectional reflectance. J. Geophys. Res., 112, D19202.
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Warren, S.G., R.M. Eastman, and C.J. Hahn, 2007: A survey of changes in cloud cover and cloud types over land from surface observations, 1971-1996. J. Climate, 20, 717-738.
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Town, M.S., V.P. Walden and S.G. Warren, 2007: Cloud cover over the South Pole from visual observations, satellite retrievals, and surface-based infrared radiation measurements. J. Climate, 20, 544-559.
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Fitzpatrick, M.F., and S.G. Warren, 2007: The relative importance of clouds and sea ice for the solar energy budget of the Southern Ocean. J. Climate, 20, 941-954.
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2006

Warren, S.G., and R.E. Brandt, 2005:  Comment on "Snowball Earth:  A thin-ice solution with flowing sea glaciers" by David Pollard and James F. Kasting. J. Geophys Res., 111, C09016, doi:10.1029/2005JC003411.
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Hudson, S.R., S.G. Warren, R.E. Brandt, T.C. Grenfell, and D. Six, 2006: Spectral bidirectional reflectance of Antarctic snow: Measurements and parameterization. J. Geophys. Res., 111, D18106, doi:10.1029/2006JD007290.
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Rowe, P.M., V.P. Walden, and S.G. Warren, 2006: Measurements of the foreign-broadened continuum of water vapor in the 6.3-micron band at -30°C. Applied Optics, 45, 4366-4382.
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Warren, S.G., R.E. Brandt, and T.C. Grenfell, 2006:  Visible and near-ultraviolet absorption spectrum of ice from transmission of solar radiation into snow.  Applied Optics, 45, 5320-5334.
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2005

Brandt, R.E., S.G. Warren, A.P. Worby, and T.C. Grenfell, 2005:  Surface albedo of the Antarctic sea-ice zone. J. Climate, 18, 3606-3622.
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Town, M.S., V.P. Walden, and S.G. Warren, 2005: Spectral and broadband longwave downwelling radiative fluxes, cloud radiative forcing and fractional cloud cover over the South Pole. J. Climate,18, 4235-4252.
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Grenfell, T.C., S.P. Neshyba, and S.G. Warren, 2005:  Representation of a nonspherical ice particle by a collection of independent spheres for scattering and absorption of radiation: 3. Hollow columns and plates. J. Geophys. Res. (Atmospheres), 110, D17203, doi:10.1029/2005JD005811.
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Fitzpatrick, M.F., and S.G. Warren, 2005: Transmission of solar radiation by clouds over snow and ice surfaces, Part 2:Cloud optical depth and shortwave radiative forcing from pyranometer measurements in the Southern Ocean. J. Climate, 18, 4637-4648.
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Hudson, S.R., and R.E. Brandt, 2005: A look at the surface-based temperature inversion on the Antarctic Plateau. J. Climate, 18, 1673-1696.
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2004

Fitzpatrick, M.F., R.E. Brandt, and S.G. Warren, 2004: Transmission of solar radiation by clouds over snow and ice surfaces: A parameterization in terms of optical depth, solar zenith angle, and surface albedo. J. Climate, 17, 266-275.
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Fu, Q., C.M. Johanson, S.G. Warren, and D.J. Seidel, 2004: Contribution of stratospheric cooling to satellite-inferred tropospheric temperature trends. Nature, 429, 55-58.
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Hudson, S.R., M.S. Town, V.P. Walden, and S.G. Warren, 2004: Temperature, humidity, and pressure response of radiosondes at low temperatures. J. Atmos. Ocean. Technol., 21, 825-836.
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Fu, Q., D.J. Seidel, C.M. Johanson, and S.G. Warren, 2004: Authors' Reply. Nature, doi:10.1038/nature03210.
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2003

Hahn, C.J., and S.G. Warren, 2003: Cloud Climatology for Land Stations Worldwide, 1971-1996. Numerical Data Package NDP-026D, Carbon Dioxide Information Analysis Center (CDIAC), Department of Energy, Oak Ridge, Tennessee (Documentation, 35 pages).
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Warren, S.G., 2003: Ocean surfaces on Snowball Earth: Implications for survival of surface life (Abstract). Astrobiology, 2, 572.

Walden, V.P., S.G. Warren, and E. Tuttle, 2003: Atmospheric ice crystals over the Antarctic Plateau in winter. J. Appl. Meteor., 42, 1391-1405.
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Warren, S.G., and S.R. Hudson, 2003: Bacterial activity in South Pole snow is questionable. Applied and Environmental Microbiology, 69, 6430-6431.
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Neshyba, S.P., T.C. Grenfell, and S.G. Warren, 2003: Representation of a nonspherical ice particle by a collection of independent spheres for scattering and absorption of radiation: II. Hexagonal columns and plates. J. Geophys. Res, 108, D15, 4448, doi:10.1029/2002JD003302.
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2002

Warren, S.G., and C.J. Hahn, 2002: Cloud climatology. Encyclopedia of Atmospheric Sciences, 476-483. Oxford University Press.
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Warren, S.G, R.E. Brandt, T.C. Grenfell, and C.P. McKay, 2002: Snowball Earth: Ice thickness on the tropical ocean. J. Geophys. Res. (Oceans), 107, C10, 3167, doi:10.1029/2001JC001123.
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2001

Masonis, S.J., and S.G. Warren. Gain of the AVHRR visible channel tracked using bidirectional reflectance of Antarctic and Greenland snow. Int. J. Rem. Sens., 22, 1495-1520.
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Mahesh, A., V.P. Walden, and S.G. Warren. Ground-based infrared remote sensing of cloud properties over the Antarctic Plateau, Part I: Cloud-base heights. J. Appl. Meteor., 40, 1265-1278.
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Mahesh, A., V.P. Walden, and S.G. Warren. Ground-based infrared remote sensing of cloud properties over the Antarctic Plateau, Part II: Cloud optical depths and particle sizes. J. Appl. Meteor., 40, 1279-1294.
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Hahn, C.J., W.B. Rossow, and S.G. Warren: ISCCP cloud properties associated with standard cloud types identified in individual surface observations. J. Climate., 14, 11-28.
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Massom, R.A., H. Eicken, C. Haas, M.O. Jeffries, M.R. Drinkwater, M. Sturm, A.P. Worby, X. Wu, V.I. Lytle, S. Ushio, K. Morris, P.A. Reid, S. Warren, and I. Allison: Snow on Antarctic sea ice. Reviews of Geophysics, 39, 413-445.
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2000

Harder,S.L., S.G. Warren, and R.J. Charlson. Sulfate and isotopes of beryllium in air and snow at the South Pole: implications for atmospheric transport and aerosol deposition rates. J. Geophys. Res. (atmospheric chemistry), 105, 22825-22832.
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1999

Hahn, C.J., and S.G. Warren. Extended Edited Cloud Reports from Ships and Land Stations over the Globe, 1952-1996. Numerical Data package NDP-026C, Carbon Dioxide Information Analysis Center (CDIAC), Department of Energy, Oak Ridge, Tennessee (Documentation, 79 pages).
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Warren, S.G., I.G. Rigor, N. Untersteiner, V.F. Radionov, N.N. Briazgin, Ye.I. Aleksandrov, and R. Colony. Snow depth on arctic sea ice. J. Climate, 12, 1814-1829.
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Bacon, N.J., and S.G. Warren. Comment on extinction measurements and single scattering albedo in the 0.5 to 1.05 micron range for a laboratory cloud of hexagonal ice crystals. Atmos. Res., 51, 83-84.
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Grenfell, T.C., and S.G. Warren. Representation of a nonspherical ice particle by a collection of independent spheres for scattering and absorption of radiation. J. Geophys. Res., 104, 31697-31709.
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1998

Walden, V.P., S.G. Warren, and F.J. Murcray. Measurement of the downward longwave radiation spectrum over the Antarctic Plateau, and comparison to a line-by-line radiative transfer model for clear skies. J. Geophys. Res., 103, 3825-3846.
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Warren, S.G., R.E. Brandt, and P. O'Rawe Hinton: Effect of surface roughness on bidirectional reflectance of Antarctic snow. J. Geophys. Res. (Planets), 103, 25,789-25,807.
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Warren, S.G., C.S. Roesler, and R.E. Brandt. Solar radiation processes in the East Antarctic sea ice zone. Antarctic Journal of the U.S., 32, 185-187.

1997

Mahesh, A., V.P. Walden, and S.G. Warren. Radiosonde temperature measurements in strong inversions: correction for thermal lag based on an experiment at South Pole. Journal of Atmospheric and Oceanic Technology, 14, 45-53.
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Warren, S.G., G.E. Thomas, G. Hernandez, and R.W. Smith. Noctilucent Cloud observed in Autumn at South Pole Station: temperature anomaly or meteoritic debris? J. Geophys. Res. (Atmospheres), 102, 1991-2000.
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Walden, V.P., S.G. Warren, F.J. Murcray, and R.G. Ellingson. Infrared radiance spectra for testing radiative transfer models in cold and dry atmospheres: Test cases from the Antarctic Plateau. Bulletin of the American Meteorological Society, 78, 2246-2247.

Brandt, R.E., and S.G. Warren. Temperature measurements and heat transfer in the near-surface snow at the South Pole. Journal of Glaciology, 43, 339-351.
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Walden, V.P., and S.G. Warren. A spectral downward longwave climatology for clear and cloudy skies over the South Pole. In Current Problems in atmospheric Radiation (proceedings of the International Radiation Symposium), Deepak Publishing Co.

1996

Hahn, C.J., S.G. Warren and J. London: Edited Synoptic Cloud Reports From Ships and Land Stations over the Globe, 1982-1991. Numerical Data Package NDP-026B. Available from Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee (Documentation, 47 pp.).

Walden, V.P., A. Mahesh, and S.G. Warren. Comment on "Recent changes in the North American Arctic boundary layer in winter." J. Geophys. Res.(Atmospheres), 101, 7127-7134.
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Warren, S.G. Antarctica. Encyclopedia of Weather and Climate, vol. 1, pp. 32-39. Oxford Univ. Press.
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Harder, S.L., S.G. Warren, R.J. Charlson and D.S. Covert. Filtering of air through snow as a mechanism for aerosol deposition to the Antarctic ice sheet. J. Geophys. Res. (Atmospheres), 101, 18729-18743.
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1995

Hahn, C.J., S.G. Warren, and J. London. The effect of moonlight on observation of cloud cover at night, and application to cloud climatology. J. Climate, 8, 1429-1446.
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Jacob, D.J., M.O. Andreae, E.K. Bigg, R.A. Duce, I. Fung, G.M. Hidy, M. Legrand, J.M. Prospero, F. Raes, S.G. Warren, and A. Wiedensohler: What factors influence atmospheric aerosol? In Aerosol Forcing of Climate, (R.J. Charlson and J. Heintzenberg, eds.), Dahlem Conference Proceedings, Wiley Pub., New York, 183-195.

1994

Grenfell, T.C., S.G. Warren, and P.C. Mullen. Reflection of solar radiation by the Antarctic snow surface at ultraviolet, visible, and near-infrared wavelengths. J. Geophys. Res., 99, 18669-18684.
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Hahn, C.J., S.G. Warren and J. London: Climatological Data for Clouds Over the Globe from Surface Observations, 1982-1991: Data Tape Documentation for the Total Cloud Edition. Numerical Data Package NDP-026A. Available from Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee (Documentation, 39 pp).

1993

Brandt, R.E., and S.G. Warren: Solar heating rates and temperature profiles in Antarctic snow and ice. Journal of Glaciology, 39, 99-110.
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Warren, S.G., C.S. Roesler, V.I. Morgan, R.E. Brandt, I.D. Goodwin, and I. Allison: Green icebergs formed by freezing of organic-rich seawater to the base of Antarctic ice shelves. J. Geophys. Res. (Oceans), 98, 6921-6928.
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Allison, I, R.E. Brandt, and S.G. Warren. East Antarctic sea ice: albedo, thickness distribution and snow cover. J. Geophys. Res. (Oceans), 98, 12417-12429.

Warren, S.G., S.L. Harder, R.E. Brandt, and V.P. Walden. Climate processes on the Antarctic Plateau. Antarctic Journal of the U.S., 28(4), 14-16.

Warren, S.G., M. Starbuck, and C. Groeneveld. Relative elevations of meteorological facilities at South Pole Station. Antarctic Journal of the U.S., 28, 271-273.

Warren, S.G., R.E. Brandt, and R.D. Boime. Blue ice and green ice. Antarctic Journal of the U.S., 28, 255-256.
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Walden, V.P., and S.G. Warren. Atmospheric longwave radiation spectrum and near-surface atmospheric temperature profiles at South Pole Station. Antarctic Journal of the U.S., 28, 269-271.

1992

Anderson, T.L., G.V. Wolfe and S.G. Warren: Biological sulfur, clouds, and climate. Commissioned article for Encyclopedia of Earth System Science, Vol. 1, 363-376, Academic Press.

Brandt, R.E., T.C. Grenfell and S.G. Warren. Optical properties of snow. Antarctic Journal of the U.S., 26, 272-275.

1991

Warren, S.G., J. London and C.J. Hahn: Cloud hole over the United States? Bulletin of the American Meteorological Society, 72, 237-238.
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London, J., S.G. Warren, and C.J. Hahn: Thirty-year trend of observed greenhouse clouds over the tropical oceans. Adv. Space Res., 11 (3), 45-49.

Charlson, R.J., J. Langner, H. Rodhe, C.B. Leovy, and S.G. Warren: Perturbation of the northern hemisphere radiative balance by backscattering from anthropogenic sulfate aerosols. Tellus, 43, 152-162.

Warren, S.G., C.J. Hahn, and J. London. Analysis of cloud information from surface weather reports. World Climate Research Programme Report on Clouds, Radiative Transfer, and the Hydrological Cycle, 61-68. World Meteorological Organization.

1990

Warren, S.G., and A.D. Clarke: Soot in the atmophere and snow surface of Antarctica. J. Geophys. Res., 95, 1811-1816.
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Warren, S., and S. Frankenstein: Increased accumulation on the Antarctic ice sheet due to climatic warming (abstract). Annals of glaciology, 14, 361.

Warren, S.G., W.J. Wiscombe and J.F. Firestone: Spectral albedo and emissivity of CO2-snow in martian polar caps: model results. J. Geophys. Res., 95, 14717-14741.

1989

Twohy, C.H., A.D. Clarke, S.G. Warren, L.F. Radke and R.J. Charlson: light-absorbing material extracted from cloud droplets and its effect on cloud albedo. J. Geophys. Res., 94, 8623-8631.
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Charlson, R.J., J.E. Lovelock, M.O. Andreae and S.G. Warren: sulphate aerosols and climate. Nature, 340, 437-438.
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London, J., S.G. Warren and C.J. Hahn: The global distribution of observed cloudiness -- a contribution to the ISCCP. Adv. Space Res., 9 (7), 161-165.

1988

Mullen, P.C., and S.G. Warren. Theory of the optical properties of lake ice. J. Geophys. Res., 93, 8403-8414.
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Warren, S.G., C.J. Hahn, J. London, R.M. Chervin and R.L. Jenne: Global Distribution of Total Cloud Cover and Cloud Type Amounts over the Ocean. NCAR Tech. Note, NCAR/TN-317+STR, 41 pp + 170 maps.

Hahn, C.J., S.G. Warren, J. London, R.L. Jenne and R.M Chervin: Climatological Data for Clouds over the Globe from Surface Observations. Numerical Data Package NDP- 026, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee (Documentation, 54 pp).

1987

Charlson, R.J., J.E. Lovelock, M.O. Andreae and S.G. Warren. Oceanic phytoplankton, atmospheric sulphur, cloud albedo and climate. Nature, 326, 655-661.
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Clarke, A.D., K.J. Noone, J. Heintzenberg, S.G. Warren and D.S. Covert. Aerosol light absorption measurement techniques: analysis and intercomparisons. Atmos. Environ., 21, 1455-1465.
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Rhodes, J.J., R.L. Armstrong and S.G. Warren. Mode of formation of 'ablation hollows' controlled by dirt content of snow. J. Glaciol., 33, 135-139.
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1986

Warren, S.G. Optical constants of carbon dioxide ice. Applied Optics, 25, 2650-2674.
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Warren, S.G., and E.P. Shettle. Optical constants of ice in the infrared atmospheric windows. Sixth Conference on Atmospheric Radiation (AMS, Boston), 103-106.
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Warren, S.G., and A.D. Clarke. Soot from arctic haze: radiative effects on the Arctic snowpack. Glaciological Data, 18, 73-77.
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Marshall, S., and S.G. Warren. Parameterization of snow albedo for climate models. Glaciological Data, 18, 215-223.
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Warren, S.G., C.J. Hahn, J. London, R.M. Chervin and R.L. Jenne. Global Distribution of Total Cloud Cover and Cloud Type Amounts over Land. NCAR Technical Note, NCAR/TN-273+STR, 29 pp. + 200 maps.

Warren, S.G, T.C. Grenfell and P.C. Mullen. Optical properties of Antarctic snow. Antarctic Journal of the U.S., 21, 247-248.
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1985

Warren, S.G, and W.J. Wiscombe. Dirty snow after nuclear war. Nature, 313, 467-470.
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Warren, S.G., C.J. Hahn and J. London. Simultaneous occurrence of different cloud types. J. Clim. Appl. Meteor., 24, 658-667.
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1984

Warren, S.G. Impurities in snow: effects on albedo and snowmelt. Annals of Glaciology, 5, 177-179.
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Warren, S.G. Optical constants of ice from the ultraviolet to the microwave. Applied Optics, 23, 1206-1225.
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Hahn, C.J., S.G. Warren, J. London, R.M. Chervin and R.L. Jenne. Atlas of Simultaneous Occurrence of Different Cloud Types over Land. NCAR Technical Note TN-241+STR, 216 pp., National Center for Atmospheric Research.

1983

Warren, S.G., and S.L. Thompson. The climatological minimum in tropical outgoing infrared radiation: Contributions of humidity and clouds. Quart. J. Royal Met. Soc., 109, 169-185.
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Grenfell, T.C., and S.G. Warren. Comments on "Spectral albedos of mid-latitude snowpacks." Cold Regions Sci. Technol., 8, 87-89.

1982

Warren, S.G. Optical properties of snow. Rev. Geophys. Space Phys., 20, 67-89.
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Thompson, S.L., and S.G. Warren. Parameterization of outgoing infrared radiation derived from detailed radiative calculations. J. Atmos. Sci., 39, 2667-2680. (Addendum, 1983: J. Atmos. Sci., 40, 1859.)
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Dozier, J., and S.G. Warren. Effect of viewing angle on the infrared brightness temperature of snow. Water Resources Research, 18, 1424-1434.
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Hahn, C.J, S.G. Warren, J. London, R.M. Chervin and R. Jenne. Atlas of Simultaneous Occurrence of Different Cloud Types over the Ocean. NCAR Technical Note TN-201+STR, 212 pp. National Center for Atmospheric Research.

Warren, S.G. Ice and climate modeling: An editorial essay. Climatic change, 4, 329-340.

1981

Schneider, S.H., and S.G. Warren. Reply. J. Atmos. Sci., 38, 668-669.

Warren, S.G., C. Hahn and J. London. Ground-based observations of cloudiness for cross-validation of satellite observations. In Clouds in Climate (W. Rossow, Ed.), NASA-GISS, New York, pp. 174-179.

Warren, S.G., and W.J. Wiscombe. Comment on "Radiative properties of snow for clear sky solar radiation." Cold Regions Sci. Technol., 5, 177-180.

1980

Warren, S.G., and S.H. Schneider. Comments on "Some realistic modifications of simple climate models." J. Atmos. Sci., 37, 895-900.

Wiscombe, W.J., and S.G. Warren. A model for the spectral albedo of snow. I. Pure snow. J. Atmos. Sci., 37, 2712-2733.
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Warren, S.G., and W.J. Wiscombe. A model for the spectral albedo of snow. II. Snow containing atmospheric aerosols. J. Atmos. Sci., 37, 2734-2745.
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1979

Warren, S.G., and S.H. Schneider. Seasonal simulation as a test for uncertainties in the parameterizations of a Budyko-Sellers zonal climate model. J. Atmos. Sci., 36, 1377-1391.
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Prior to 1979

(in my previous life)

Ten papers about three-dimensional atomic structures of proteins and viruses, using X-ray crystallography, published in Journal of Molecular Biology, Nature, Science, Proceedings of the National Academy of Sciences, Cold Spring Harbor Symposium on Quantitative Biology, and Journal of Supramolecular Structure.