Curriculum Vitae

 

DeMott, Paul J., Ph.D. Senior Research Scientist/Scholar

 

A. Vital Statistics

               Born:   November 23, 1957; US Citizen.

Current Position:        Senior Research Scientist/Scholar

                                                Department of Atmospheric Science

                                                Colorado State University

                                                Fort Collins, CO 80523

                                                (970) 491-8257 Fax: (970) 491-8483

                                                Internet: pdemott@lamar.colostate.edu

                                                Web: http://lamar.colostate.edu/~pdemott

 

B.  Education

          •    B.S.  Atmospheric Science, State University of New York at Albany (1979)

        •   M.S.  Atmospheric Science, Colorado State University (1982)

        •   Ph.D.  Atmospheric Science, Colorado State University (1990)

 

C.    Professional Experience

 

2002-present: Senior Research Scientist/Scholar, Department of Atmospheric Science, Colorado State University

 

1995-2002: Research Scientist, Department of Atmospheric Science, Colorado State University

Research focus is on ice formation by atmospheric aerosols in tropospheric clouds. Approaches include laboratory, observational and numerical modeling studies.

Activities: Conceive and direct laboratory research projects, execute and analyze laboratory experiments, collect and analyze field data, perform numerical cloud model simulations, software development, conduct laboratory contract research with private industry and write summary reports, write research proposals and technical papers, make presentations at scientific conferences, supervise research of graduate students and postdoctoral fellows, supervise technical and work-study personnel, participate on national and international scientific working groups and panels,  peer review.

Research Grants Worked on as Principal or Co-Principal Investigator:

·       Ice nuclei and Ice initiation in Mid-latitude Clouds in Springtime: Background and Dust-affected (PI, NSF: 2006)

·       Investigation of Hygroscopicity and Cloud- and Ice-nucleating Activities of Carbonaceous and Combustion-derived Aerosol Particles  (PI, NASA-2006)

·       Modeling studies of aerosol-cold cloud interactions (Co-PI, NASA: 2005)

·       Acquisition of Instrumentation for Enhancing Studies of Aerosol-Cloud Interactions  (Co-PI, NSF: 2005-2006)

·       Investigation of hygroscopicity and cloud- and ice-nucleating activities of combustion aerosols  (PI, DOE-NIGEC: 2005-2007)

·       Ice Nuclei and ice formation in Arctic clouds: Observations, parameterization and implications from the M-PACE (PI, DOE-ARM: 2005)

·       Aerosol Effects on Warm and Cold Clouds  (PI, NSF: 2005-2007)

·     Collaborative Research: Physical and Chemical Impacts on the Ice Nucleating Properties of Atmospheric Particles in Springtime (Co-PI, NSF: 2003-2005)

·     The Role of Ice Nuclei in the Evolution of Supercooled and Mixed-phase Clouds (PI, NSF: 2003-2005)

·     Upper Troposphere Ice Nuclei Measurements in the Cirrus Regional Study of Tropical Anvils and Cirrus Layers – Florida Area Cirrus Experiment (PI, NASA: 2002-2003)

·     Single Particle Mass Spectroscopy of Ice Nucleating Particles (Co-PI, NSF: 2001-2003)

·     Homogeneous and Heterogeneous Ice Formation in Upper Tropospheric Conditions (PI, NSF: 2000-2004)

·     Ice Formation Processes in Upper Tropospheric Cloud Conditions (PI, NSF: 1997-2000)

·     Freezing Characteristics of Soot/Sulfate Aerosols (PI, NASA: 1998-2002)

·     Relations between Ice Nuclei and Ice Formation in Clouds (Co-PI, NSF: 1998-2001)

·     Ice Nuclei Measurements in the Subsonic Aircraft Contrail and Cloud Effects Special Study (Co-PI, NASA:1995-1998)

·     Atmospheric Ice Nucleating Aerosols (Co-PI, NSF: 1994-1997)

 

1985-1995: Research Associate, Department of Atmospheric Science, Colorado State University

Research Grants Worked on as Co-Principal Investigator:

·       Atmospheric Ice Nucleating Aerosols (NSF: 1994-1997)

·       Laboratory and Numerical Model Studies on Ice Formation in Clouds  (NSF: 1986-1994)

·       Condensation and Ice Nucleation Kinetics at Low Temperatures and Pressures (US Air Force: 1985-1986)

·       Measurements of Ice Nuclei in Winter Storms (NCAR/NSF: 1993-1995)

·       North Dakota Tracer Experiment (NOAA/CIRA: 1993)

Director, Cloud Simulation and Aerosol Laboratory: Oversaw laboratory business account activities involving testing of cloud seeding generators and cloud microphysical instrumentation for private entities.

 

1979-1985: Graduate Research Assistant, Department of Atmospheric Science, Colorado State University

Projects worked on:

§     Colorado Orographic Seeding Experiments (NSF: 1979-1985)

§     Condensation and Ice Nucleation Kinetics at Low Temperatures and Pressures (US Air Force: 1983-1985)

 

D. Honors and Awards

Best Student Paper, 57th Annual Meeting of the Southwestern and Rocky Mountain Division, AAAS, 22-25 April, 1981, Greeley, CO.

NASA Group Achievement Award, Cirrus Regional Study of Tropical Anvils and Cirrus Layers – Florida Area Cirrus Experiment (CRYSTAL-FACE) Science Team, 2003

American Geophysical Union, Geophysical Research Letters Editor’s Award for Excellence in Peer Review, 2003

Colorado State University Distinguished Service Award, 2003

 

E.    Professional Societies and Activities

§       American Meteorological Society, member; Subject Matter Editor, Bulletin of the American Meteorological Society (2004-present); Associate Editor, Journal of Applied Meteorology (1996-2001); Committee on Cloud Physics (1997-2000); Committee on Planned and Inadvertent Weather Modification (1991-1994)

§       American Geophysical Union, member; Fall Meeting Session Chair (2002); Fall Meeting Session Convener (2004); Secretary of Atmospheric Sciences, Candidate (2005).

§       American Association for Aerosol Research, member

§       International Association of Meteorology and Atmospheric Sciences

o      International Commission on Clouds and Precipitation (2004-present)

o      Committee on Nucleation and Atmospheric Aerosols (2000-present), Co-chair (2004-present)

§       Co-organizer, The International Workshop on Comparing Ice Nucleation Measuring Systems (ICIS 2007), 10-28 September 2007, Karlsruhe, Germany

§       NCAR Ice Initiative Steering Committee (2003-present)

§       Intergovernmental Panel on Climate Change: Contributing author to Third Assessment Report – Climate Change 2001

§       GEWEX Cloud Systems Studies Working Group II - Cirrus (1998-present)

§       NASA-SUCCESS II Planning Committee (1998-1999)

§       North Dakota Tracer Experiment Planning Committee (1992-1993)

§       Winter Icing in Storms Project Steering Committee (1994 -1997)

§       Weather Modification Association, member, Editorial Board (1988-1991)

§       Peer reviewer  (Journal of Geophysical Research, Geophysical Research Letters, Journal of the Atmospheric Sciences, Journal of Applied Meteorology, Journal of Atmospheric and Oceanic Technology, Journal of Physical Chemistry, Chemical Reviews, Atmospheric Chemistry and Physics, Atmospheric Environment, Atmospheric Research, Journal of Weather Modification, Journal of Photochemistry and Phytobiology, NSF, NOAA, NASA, DOE, WMO, National Research Council, National Center for Atmospheric Research, ETHZ-Switzerland, Canadian Foundation on Climate and the Atmospheric Sciences,  National (U.K.) Environmental Research Council, ANR-France, Helmholtz Society, American Chemical Society, German-Israeli Foundation, City University of New York, Research Corporation)

 

F. Publications

Author of nearly 70 papers published in refereed scientific journals, 1 book chapter, more than 60 conference papers, more than 40 formal reports to private and public institutions, numerous annual and final reports on research grants. Reviewed papers:

Horn, R. D., W. G. Finnegan and P. J. DeMott, 1982: Experimental studies of nucleation by dry ice. J. Appl. Meteor., 21, 1567-1570.

DeMott, P.J., W.G. Finnegan and L.O. Grant, 1983: An application of chemical kinetic theory and methodology to characterize the ice nucleating properties of aerosols used in weather modification. J. Clim. Appl. Meteor., 22, 1190-1203.

Hindman, E. E., R. D. Borys and P. J. DeMott, 1983: Hydrometeorological significance of rime ice deposits in the Colorado Rockies. Water Res. Bull., 19, 619-624.

Borys, R.D., E.E. Hindman, and P.J. DeMott, 1988: The chemical fractionation of atmospheric aerosol as a result of snow crystal formation and growth. J. Atmos. Chem., 7, 213-239.

Ward, P. J. and P. J. DeMott, 1989: Preliminary experimental evaluation of SnomaxTM, Pseudomonas syringae, as an artificial ice nucleus for weather modification. J.Wea. Mod., 21, 9-13.

DeMott, P.J., 1990: An exploratory study of ice nucleation by soot aerosols. J. Appl. Meteor., 29, 1072-1079.

DeMott, P.J. and D.C. Rogers, 1990: Freezing nucleation rates of dilute solution droplets measured between -30 and -40C in laboratory simulations of natural clouds. J. Atmos. Sci., 47, 1056-1064.

DeMott, P. J., 1991: Comments on 'The persistence of seeding effects in an orographic cloud seeded with silver iodide burned in acetone'. J. Appl. Meteor., 30, 1376-1380.

 

Rogers, D.C., and P.J. DeMott, 1991: Advances in laboratory cloud physics 1987 - 1990. Rev. of Geophys., 29, Supplement Vol. 1, 80-87.

Meyers, M.P., P.J. DeMott, and W.R. Cotton, 1992: New primary ice nucleation parameterizations in an explicit cloud model. J. Appl. Meteor., 31, 708-721.

DeMott, P.J, M.P. Meyers, and W.R. Cotton, 1994: Parameterization and impact of ice initiation processes relevant to numerical model simulations of cirrus clouds. J. Atmos. Sci., 51, 77-90.

Rogers, D.C., P.J. DeMott and L.O. Grant, 1994: Concerning primary ice nuclei concentrations and water supersaturation in the atmosphere. Atmospheric Research, 33, 151-168.

Stith, J.L., D.A. Burrows, and P.J. DeMott, 1994: Initiation of ice: comparison of numerical model results with observations of ice development in a cumulus cloud. Atmospheric Research, 32, 13-30.

DeMott, P.J., 1995: Quantitative descriptions of ice formation mechanisms of silver iodide-type aerosols. Atmospheric Research, 38, 63-99.

DeMott, P. J., A. B. Super, G. Langer, D. C. Rogers, and J. T. McPartland, 1995: Comparative characterizations of the ice nucleus ability of AgI aerosols by three methods. J. Wea. Mod., 27, 1-16.

Meyers, M. P., P. J. DeMott, and W. R. Cotton, 1995: Comparison of seeded versus non-seeded orographic cloud simulations with an explicit cloud model. J. Appl. Meteor., 34, 834-846.

DeMott, P.J., S.M. Kreidenweis, and D.C. Rogers, 1997: The susceptibility or ice formation in upper tropospheric clouds to insoluble aerosol components. J. Geophys. Res., 102, 19575-19584.

Chen, Y., S.M. Kreidenweis, L.M. McInnes, D.C. Rogers and P.J. DeMott, 1998: Single particle analyses of ice nucleating particles in the upper troposphere and lower stratosphere, Geophys. Res. Lett., 25, 1391-1394.

DeMott P.J., D.C. Rogers, S.M. Kreidenweis, Y. Chen. C.H. Twohy, D. Baumgardner, A.J. Heymsfield, and K.R. Chan., 1998: The role of heterogeneous freezing nucleation in upper tropospheric clouds: Inferences from SUCCESS, Geophys. Res. Lett., 25, 1387-1390.

Franc, G. D. and P.J. DeMott, 1998: Cloud activation characteristics of airborne Erwinia carotovara cells.  J. Appl. Meteor., 37, 1293-1300.

Gerber, H., C. H. Twohy, B. Gandrud, A. J. Heymsfield, P. J. DeMott, and D. C. Rogers, 1998: Measurement of wave-cloud microphysics with two new aircraft probes, Geophys. Res. Lett., 25, 1117-1120.

Kreidenweis, S.M., Y. Chen, P.J. DeMott, and D.C. Rogers, 1998: Isolating and identifying atmospheric ice-nucleating aerosols: A new technique. Atmospheric Research, 46, 263-278.

Rogers, D.C., P.J. DeMott, S.M. Kreidenweis, and Y. Chen, 1998: Measurements of ice nucleating aerosols during SUCCESS, Geophys. Res. Lett., 25, 1383-1386.

DeMott, P.J., Y. Chen, S.M. Kreidenweis, D.C. Rogers and D. Eli Sherman, 1999: Ice formation by black carbon particles, Geophys. Res. Lett., 26, 2429-2432.

Chen, Y, P.J. DeMott, S.M. Kreidenweis, D.C. Rogers and D. Eli Sherman, 2000: Ice formation by sulfate and sulfuric acid aerosol particles under upper tropospheric conditions, J. Atmos. Sci., 57, 3752-3766.

Prenni, A.J, R.L. Siefert, T.B. Onasch, M.A. Tolbert and P.J. DeMott, 2000:  Design and characterization of a fluidized bed aerosol generator: A source for dry, sub-micrometer aerosol. Aerosol Sci. and Technol., 32, 465-481.

Prenni, A.J., P.J. DeMott, S.M. Kreidenweis, D.E. Sherman, L.M. Russell and Y. Ming, 2001: The effects of low molecular weight dicarboxylic acids on cloud formation. J. Phys. Chem. A., 105, 11240-11248.

Rogers, D.C., P.J. DeMott, S.M. Kreidenweis and Y. Chen, 2001: A continuous flow diffusion chamber for airborne measurements of ice nuclei, J. Atmos. Oceanic Technol., 18, 725-741.

Rogers, D.C., P.J. DeMott, and S.M. Kreidenweis, 2001: Airborne measurements of tropospheric ice nucleating aerosol particles in the Arctic Spring, J. Geophys. Res., 106, 15,053-15,063.

DeMott, P.J., 2002: Laboratory studies of cirrus cloud processes, Chapter 5 in Cirrus, D.K. Lynch, K. Sassen, D.O.C Starr, G. Stephens Eds., Oxford University Press, New York.

Lin, R-F., D.O.C Starr, P.J. DeMott, R. Cotton, K. Sassen, E. Jensen, B. Karcher, and X. Liu, 2002: Cirrus parcel model comparison project phase 1: The critical components to simulate cirrus initiation explicitly, J. Atmos. Sci., 59, 2305-2329.

DeMott, P.J., D.J. Cziczo, A.J. Prenni, D.M. Murphy, S.M. Kreidenweis, D.S. Thomson, R. Borys and D.C. Rogers, 2003: Measurements of the concentration and composition of nuclei for cirrus formation. Proceedings of the National Academy of Sciences, 100, No. 25, 14655-14660.

DeMott, P.J., K. Sassen, M. Poellot, D. Baumgardner, D.C. Rogers, S. Brooks, A.J. Prenni, and S.M. Kreidenweis, 2003: African dust aerosols as atmospheric ice nuclei. Geophys. Res. Lett., 30, No. 14, 1732, doi:10.1029/2003GL017410.

Cziczo, D.J., P.J. DeMott, C. Brock, P.K. Hudson, B. Jesse, S.M. Kreidenweis, A.J. Prenni, J. Schreiner, D.S. Thomson, and D.M. Murphy, 2003: A Method for Single Particle Mass Spectroscopy of Ice Nuclei. Aerosol Sci. and Technol., 37, 460-470.

Prenni, A.J., P.J. DeMott, and S.M. Kreidenweis, 2003: Water uptake of internally mixed particles containing ammonium sulfate and dicarboxylic acids. Atmos. Environ., 37, 4243-4251.

Sassen, K., P.J. DeMott, J. Prospero, and M.R. Poellot , 2003: Saharan Dust Storms and Indirect Aerosol Effects on Clouds: CRYSTAL-FACE Results. Geophys. Res. Lett., 30, No. 12, 1633, doi:10.1029/2003GL017371.

Cziczo, D.J., P. J. DeMott, S. D. Brooks, A. J. Prenni, D. S. Thomson, D. Baumgardner, J. C. Wilson, S. M. Kreidenweis, and D. M. Murphy, 2004: Observations of organic species and atmospheric ice formation,  Geophys. Res. Lett., 31, 12116, doi:10.1029/2004GL019822.

Brooks, S.D., P.J. DeMott and S.M. Kreidenweis, 2004: Water Uptake by Particles Containing Humic Materials and Mixtures of Humic Materials with Ammonium Sulfate. Atmos. Environ., 38, 1859-1868.

Archuleta, C.A., P.J. DeMott, and S.M. Kreidenweis, 2005: Ice nucleation by surrogates for atmospheric mineral dusts and mineral dust/sulfate particles at cirrus temperatures.  Atmos. Chem. Phys., 5, 2617–2634.

Kreidenweis, S. M., K. Koehler, and P. J. DeMott, 2005: Cloud condensation activity of atmospheric aerosols. Part I: Water activity estimates from hygroscopicity data. Atmos. Chem. Phys., 5, 1357–1370, 2005.

Lin, R.F., D. O’C. Starr, J. Reichardt, and P J. DeMott, 2005: Nucleation in Synoptically Forced Cirrostratus, J. Geophys. Res., 100, D8, D08208, 10.1029/2004JD005362, 30 April 2005.

Phillips, V.T.J., S.C. Sherwood, C. Andronache, A. Bansemer, W.C. Conant, P.J. DeMott, R.C. Flagan, A. Heysmfield, H. Jonsson, M. Poellot, J.H. Seinfeld, T. Vanreken, V. Varutbangkul and J.C. Wilson, 2005: Anvil Glaciation in a Deep Cumulus Updraft over Florida Simulated with an Explicit Microphysics Model. Part I - The Impact of Various Nucleation Processes. Q.J. Royal Met. Soc., 131, 2019–2046.

Petters, M.D., S.M. Kreidenweis, J.R. Snider, K. Koehler, Q. Wang, A.J. Prenni, and P.J. DeMott, 2005: Cloud formation on polymerized organic aerosols. Accepted to Tellus.

Cziczo, D.J., D.S. Thomson, T. L. Thompson, P.J. DeMott, and D.M. Murphy, 2006: Particle Analysis by Laser Mass Spectrometry (PALMS) studies of ice nuclei and other low number density particles. Intnl. J. Mass Spectrometry, 258 (1-3): 21-29.

Koehler, K., S.M. Kreidenweis, P. J. DeMott, A.J. Prenni, C.M. Carrico, B. Ervens, and G. Feingold, 2006: Cloud condensation activity of atmospheric aerosols. Part II: Application to organic species. Atmos. Chem. Phys., 6, 795-809.

Kreidenweis, S. M., M. D. Petters, and P. J. DeMott, 2006: Deliquescence activation of organic aerosols. Geophys. Res. Lett., 33, L06801, doi:10.1029/2005GL024863.

Petters, M.D., S.M. Kreidenweis, J.R. Snider, K. Koehler, Q. Wang, A.J. Prenni, and P.J. DeMott, 2006: Cloud formation on polymerized organic aerosol. Tellus, 58B, 196–205.

Petters, M.D., A.J. Prenni, S.M. Kreidenweis, P.J. DeMott, A. Matsunaga, Y.B. Lim, and P.J. Ziemann, 2006: Chemical aging and the hydrophobic-to-hydrophilic conversion of carbonaceous aerosol. Geophys. Res. Lett., 33, L24806, doi:10.1029/2006GL027249.

Van den Heever, S.C., G. Carrio, W.R. Cotton, P. J. DeMott and A.J. Prenni, 2006: Impacts of Nucleating Aerosol on Florida Storms. Part I: Mesoscale Simulations. J. Atmos. Sci.., 63, 1752-1775.

DeMott, P. J., D. J. Cziczo, E. Dunlea, M. S. Richardson, D. S. Thomson, S. M. Kreidenweis, J. Jimenez, and D. M. Murphy, 2007: Measurements of homogeneous freezing by natural aerosol particles. In preparation for submission to J. Geophys. Res.

DeMott, P. J., M. D. Petters, A. J. Prenni, S. M. Kreidenweis, R. Stanglmaier, M. Bennett, B. Willson and J. Volckens, 2007: Cloud activation behaviors of some diesel exhaust particles. In preparation for submission to J. Geophys. Res.

DeMott, P. J., M.D. Petters, A.J. Prenni, C.M. Carrico, and S.M. Kreidenweis, 2007: Ice nucleation behavior of biomass combustion particles. In preparation for submission to Atmos. Chem. Phys.

DeMott, P.  J., C. H. Towhy, D. C. Rogers, S. D. Brooks and S. M. Kreidenweis, 2007: Ice formation in supercooled clouds: Dependence on the spatial distribution, physical and chemical properties of ice nuclei and other aerosol particles. In preparation for submission to J. Atmos. Sci.

DeMott, P. J., A. J. Prenni, D. C. Rogers, and S. M. Kreidenweis, 2007: Multi-study compilation of ice nuclei concentrations, physical and chemical characteristics, and their implications for numerical model parameterization development. In preparation for submission to J. Atmos. Sci.

Fridlind, A. M., A. S. Ackerman, G. McFarquhar, G. Zhang, M. R. Poellot, P. J. DeMott, A. J. Prenni, and A. J. Heymsfield, 2007: Ice formation in supercooled boundary layer clouds during the Mixed-Phase Arctic Cloud Experiment (M-PACE). Submitted to J. Geophys. Res.

Koehler, K., M. D. Petters, P. J. DeMott, S. M. Kreidenweis, and O. B. Popovicheva, 2007: Hygroscopicity, cloud condensation nuclei activity and ice nucleation ability of selected combustion soot particles. In preparation for submission to Atmos. Chem. Phys.

Koehler, K., S. M. Kreidenweis, P. J. DeMott, A. J. Prenni, and M. D. Petters, 2007: Potential impact of Owens (dry) Lake dust on warm and cold cloud formation. Submitted to J. Geophys. Res.

Koehler, K., S. M. Kreidenweis, P. J. DeMott, A. J. Prenni, and M. D. Petters, 2007: The ability of a surrogate desert dust (Arizona Test Dust) to initiate cloud formation. In preparation for submission to J. Geophys. Res.

Morris C., D. Sands, G. Vali, R. Jaenicke, Z. Levin, P. DeMott, O. Möhler, A. Flossman, P. Ariya, H. Puxbaum, B. Vogel, U. Pöschl, R. Psenner, D. Georgakopoulos, H. Bauer, P. Nicot, M. Posfai, D. Courault, J. Nowoisky, L, Deguillaume, N. Chaumerliac, T. Hill, B. Moffett, C Leyronas, and L. Huber,  2007: The microbiology-meteorology interplay: Prospects for research on the impact of bioaerosols on atmospheric processes. In preparation for submission to Biogeosciences.

Petters, M.D., A.J. Prenni, S.M. Kreidenweis, P.J. DeMott, 2007: On measuring the critical diameter of cloud condensation nuclei using mobility selected aerosol particles. Accepted to Aerosol. Sci. and Technol.

Phillips, V. T. J., P. J. DeMott, and C. Andronache, 2007: An Empirical Parametrisation of Heterogeneous Ice Nucleation for Multiple Chemical Species of Aerosol. Part I: Description of Scheme. Submitted to J. Atmos. Sci.

Phillips, V. T. J., P. J. DeMott, and C. Andronache, 2007: An Empirical Parametrisation of Heterogeneous Ice Nucleation for Multiple Chemical Species of Aerosol. Part II: Comparison with Observations. Submitted to J. Atmos. Sci.

Popovicheva O. B., Persiantseva N. M., Shonija N. K., P. J. DeMott, K. Koehler, M. D. Petters, S. M. Kreidenweis, V. Tishkova, B. Demirdjian, J. Suzanne, 2007: Water interaction with hydrophobic and hydrophilic soot particles. In preparation , Phys. Chem. Chem. Phys.

Prenni, A.J.,  J.Y. Harrington, M. Tjernström, P.J. DeMott, A. Avramov, C.N. Long, S.M. Kreidenweis, P.Q. Olsson, J. Verlinde, 2007: Do aerosols regulate arctic cloudiness? Accepted to Bull. Amer. Meteor. Soc.

Prenni, A.J., P.J. DeMott, C. Twohy, D.C. Rogers, S.D. Brooks, S.M. Kreidenweis, A.J. Heymsfield and M.R. Poellot, 2007: Inferences to ice formation mechanisms in Florida cumuli from ice nuclei measurements of anvil ice crystal residuals. Accepted to J. Geophys. Res.

Prenni, A. J., M. D. Petters, S. M.. Kreidenweis, P. J. DeMott, and P.J. Ziemann, 2007: Cloud droplet activation of secondary organic aerosol. Accepted to J. Geophys. Res.

Richardson, M. S., P. J. DeMott, S. M. Kreidenweis, D. J. Cziczo, E. Dunlea, J. L. Jimenez, D. S. Thompson, L. L. Ashbaugh, R. D. Borys, D. S. Westphal, G. S. Cassucio and T. L. Lersch, 2007: Measurements of heterogeneous ice nuclei in the Western U.S. in springtime and their relation to aerosol characteristics. Accepted to J. Geophys. Res.

Verlinde, J., J. Y. Harrington, G. M. McFarquhar, V. T. Yannuzzi, A. Avramov, S. Greenberg, N. Johnson, G. Zhang, M. R. Poellot, J. H. Mather, D. D. Turner, E. W. Eloranta, B. D. Zak, A. J. Prenni, J. S. Daniel, G. L. Kok, D. C. Tobin, R. Holz, K. Sassen, D. Spangenberg, P. Minnis, T. P. Tooman, M. D. Ivey, C. P Bahrmann, P. J. DeMott, A. J. Heymsfield, R. Schofield, 2007: The Mixed-Phase Arctic Cloud Experiment (M-PACE). Submitted to Bull. Amer. Meteor. Soc.

 

G. Invitations and Presentations

More than 70 presentations made at scientific conferences and meetings. Selected ones:

Invited Plenary Speaker, “Atmospheric Ice Nucleation,” 17th International Conference on Nucleation and Atmospheric Aerosols, Galway, Ireland, August 2007.

Invited seminars, “Ice Nuclei Variability, Relation to Ambient Aerosol Properties, and Impacts on Mixed-Phase Clouds” and “Laboratory Studies of Ice Formation by Mineral Dust and Soot-Containing Aerosol Particles”, Meteorological Research Institute, Japan, January 15, 2006.

Invited talk, “A look at clouds: what is a cloud, what is its origin and what can we predict and model about its destiny?” European Science Foundation Exploratory Workshop: Microbiological Meteorology, Avignon, France, March 1, 2006

Invited seminar, “Atmospheric Ice Formation by Mineral Dust Particles: Recent Laboratory and Field Studies”. Forschungszentrum Karlsruhe Institute for Meteorology and Climate Research, Karlsruhe, Germany, March 7, 2006

Invited lecture, “Aerosol chemistry and ice clouds”. IGAC Specialty Conference on Aerosol Indirect Effects, Manchester, England, January 2005.

Invited talk, “Aerosol-ice cloud interactions”, Session on Aerosol Cloud Interactions at European Geophysical Society/American Geophysical Union/Eurpoean Union of Geophysics Joint Meeting, Nice, France, April, 2003.

Invited talk, “The Physics and Chemistry of Aerosol Indiect Effects on Ice-phase Clouds” for the Colorado State University Department of Atmospheric Science 40th Anniversary, July 2002.

Invited seminar, “Atmospheric Particulate Matter and Cirrus Clouds”. Colorado State University chapter of Sigma Xi National Research Honor Society, November 2001.

Invited seminar, “Measurements and modeling of ice formation by aerosols in upper tropospheric conditions”, Atmospheric Chemistry Group, Harvard University, December 2000.

Invited participant, Workshop on "Addressing the Current State of Weather Modification Science as a Basis for Future Environmental Sustainability and Policy Development," National Research Council, November 2000.

Invited seminar, “Measurements and modeling of ice phase transitions by aerosol particles in upper tropospheric conditions”, Dept. of Geophysical Sciences, University of Chicago, November 1999.

Invited lecture, “Laboratory studies of cirrus cloud processes”, Topical Cirrus Conference, Optical Society of America Annual Meeting, Baltimore, MD, October 1998.

Invited lecture, “The role of atmospheric aerosols in cloud and precipitation formation”. Conference on Hail Damage Mitigation and Hail Science, Bismarck, ND, March 1996.

Invited seminar, “Measurements on ice formation in upper tropospheric cloud conditions”, NCAR M3 Division, Boulder, CO, August 1995.

Invited lecture, "Research activities at the Colorado State University Cloud Simulation and Aerosol Laboratory", Chinese Academy of Meteorological Sciences, May 1989.

Invited seminar, "Ice nucleation: ‘Time’ for a different perspective." National Center for Atmospheric Research - Convective Storms Division. 3 May, 1983, Boulder, CO.

 

H. Advisory and Supervisory Experience

Person                         Title                                        Supervisory role                     Period

Brian Jesse                  Electronics Technician           Immediate supervisor     1986-2005

Mark Branson             Work study/M.S. student       Supervisor/advising        1988-1993  David Torgerson         Work study in Physics           Immediate supervisor       1991-1993

Tara Jensen                 M.S. student                           Informal advising             1992-1993

Ian Baker                    M.S. student                           Supervisor/advising         1993-1994

John Robb                   Graduate Student hourly         Supervisor                        1994-1995

Randy Vetter              Undergraduate hourly            Assistant supervisor         1995

Suzanne Hyde             Undergraduate hourly            Assistant supervisor         1995

Craig Huey                 Undergraduate hourly            Assistant supervisor         1996

Yalei Chen                  Ph.D. student                          Informal advising             1996-1999

Tony Prenni                NOAA Postdoctoral Fellow   Co-advisor                        2000-2002

Cassie Archuleta        M.S. student                           Advising, Committee       2000-2003

Sarah Brooks              Postdoctoral Fellow               Co-advisor                        2002-2004

Kristen Koehler          M.S./Ph.D. student                 Committee member         2002-2006

Matt Richardson         Ph.D. student                          Committee member         2003-2007

Markus Petters           Postdoctoral Fellow               Co-advisor                        2004-2006

Matthew Parsons        Postdoctoral Fellow               Co-advisor                        2007-

Trude Eidhammer      Postdoctoral Fellow               Co-advisor                        2007-