| Project Scientist III
Hydromet Applications Program (HAP)
303-497-8909
roelof ucar.edu
Job Duties
Principal Scientist: Weather modification programs
Research Areas
Research interests include weather modification with special emphasis
on precipitation enhancement and cloud processes and aerosol-cloud
interactions.
Education
De1992 Ph.D. Physics, University of South Africa Ph.D.
Thesis: Observational and numerical studies of cloud and precipitation
development with a view to rainfall enhancement
1986 M.S. (cum lauda), Meteorology, University of Pretoria, Republic
of South Africa
1982 B.S., (Honours), Meteorology, University of Pretoria, Republic
of South Africa
Selected Publications
Bruintjes, R.T., K. Ross, S.Piketh, R. Burger, R.J. Swap, and T.
Jensen, 2003: In-situ measurements of aerosols and CCN during SAFARI
2000 and their impacts on cloud microphysics. Accepted for publication
in Journal of Geophysical Research.
Ross, K.E., S.J. Piketh, R.T. Bruintjes, R.P. Burger, R.J. Swap
and H.J. Annegarn, 2003: Spatial and seasonal variations in the
distribution of cloud condensation nuclei and the aerosol-cloud
condensation nuclei relationship over Southern Africa. In Press,
Journal of Geophysical Research.
Kreidenweis, S.M., L.A. Remer, R.T. Bruintjes, R. Kleidman, R.
Halthore, and Oleg Dubovik, 2001: Observations of smoke aerosol
from biomass burning in Mexico. Journal of Geophysical Research,
106(D5), 4831-4844.
Bruintjes, R.T., 1999: A review of cloud seeding experiments to
enhance precipitation and some new prospects. Bull. Amer. Meteor.
Soc. 80, 805-820.
Hu, Z., R.T. Bruintjes and E.A. Betterton, 1998: Sensitivity of
cloud droplet growth to collision and coalescence efficiencies -
A theoretical study. J. of Atmos. Sci., 55, 2502-2515.
Klimowski et al, 1998: The 1995 Arizona Program: A field program
devoted to the understanding of winter precipitation development
in mountainous terrain. Bull. Amer. Meteor. Soc., 79, 799-813.
Reisner, J., R.M. Rasmussen and R.T. Bruintjes, 1998: Explicit
forecasting of supercooled liquid water in winter storms using a
mesoscale model. Quarterly Journal Royal Meteor. Soc., 124, 1071-1107.
Cooper, W.L., R.T. Bruintjes and G.K. Mather, 1997: Some preliminary
calculations pertaining to hygroscopic seeding. J. of Appl. Meteor.,
36, 1449-1469.
Bruintjes, R.T., T.L. Clark and W.D. Hall, 1995: The dispersion
of tracer plumes in mountainous regions in central Arizona: Comparisons
between observations and modeling results. J. Appl. Meteor., 34,
971-988.
Bruintjes, R.T., T.L. Clark and W.D. Hall, 1994: Interactions between
topographic airflow and cloud and precipitation development during
the passage of a winter storm in Arizona. J. Atmos. Sci., 51, 48-67.
Bruintjes, R.T., A.J. Heymsfield, and T.W. Krauss, 1987: An examination
of double-plate ice crystals and the initiation of precipitation
in summertime cumulus clouds. J. Atmos. Sci., 44, 1331-1349.
Authored or co-authored more than 30 refereed and more than 150
non-refereed publications and participated in the writing of several
review documents for the WMO and a report for the National Academy
of Sciences. Also lectured cloud physics and weather modification
courses at the University of Arizona and the University of Witwatersrand
in Johannesburg, South Africa. Supervised several post-graduate
students from universities around the world over the past five years
and continues to do so.
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