Refereed journal publications
Al-Jumily, K.J., R.B. Charlton, and R.G. Humphries, 1991: Identification of rain and hail with circular polarization radar. J. Appl. Meteor., 31, 1075-1087.
Barge, B.L., 1974: Polarization measurements of precipitation backscatter in Alberta; J. Rech. Atmos., VIII, Nos. 1-2, 163-173.
Bebbington, D.H.O., R.McGuinness, and A.R.Holt 1987: Correction of propagation effects in S-band circular polarisation-diversity radars. Proc. IEE , 134H, 431-437.
Chisholm, A.J., 1973: Alberta Hailstorms Part 1: Radar case studies and airflow models. Meteor. Monographs, 14, No. 36, 1-36.
Douglas, R.H., and W. Hitschfeld, 1959: Patterns of hailstorms in Alberta. Qtrly. J. Royal Meteor. Soc., 85, 105-119.
Douglas, R.H., 1960: Observations of Alberta hailstorms. Cumulus Dynamics, New York, Pergaman Press, 145-147.
Douglas, R.H., W. Hitschfeld 1960: Size distribution, ice contents and radar reflectivities of hail in Alberta. Nubila, Vol. III, 5-11.
Douglas, R.H., 1961: Radar reflectivities of hail samples. Nature, 191, No 4785, 266-267.
Douglas, R. H., 1961: Radar observations of Alberta hailstorms. Nubila, Anno IV, No. 2, 52-58.
English, M., B.Kochtubajda, F.D.Barlow, A.R.Holt and R.McGuinness 1991: Radar measurement of rainfall by differential propagation phase: a pilot experiment Atmosphere-Ocean , 29, 357-380.
Goyer, G.G. 1975: Time integrated radar echo tops as a measure of cloud seeding effects; J. Appl. Meteor., 14, 1362-1365 (Corrigendum 1637).
Hendry, A., G.C. McCormick, and B.L. Barge, 1976: The degree of common orientation of hydrometeors observed by polarization diversity radars. J. Appl. Meteor., 15, 633-640.
Hendry, A., G.C. McCormick, and B.L. Barge, 1976: Ku-Band and S-Band Observations of the Differential Propagation Constant in Snow. IEEE Transactions Antennas and Propagation, AP-24, 521-525.
Holt, A.R., 1984: Some factors affecting the remote sensing of rain by polarisation diversity radar in the 3-35 GHz frequency range. Radio Science, 19, 1399-1412.
Holt , A. R., 1988:Extraction of differential propagation phase from data from S-band circularly polarised radars. Electronics Letters , 24, 1241-2.
Holt, A. R., and R.McGuinness 1990: Rainrate measurements using a circular polarisation-diversity radar in "Weather Radar Networking" (Ed. Collier and Chapius) (Dordrecht: Kluwer Academic Publishers 1990) 304-313.
Holt, A.R., and J.Tan 1992: Separation of differential propagation phase and differential backscatter phase in polarisation-diversity radar. Electronics Letters , 28, 943-944.
Holt , A.R., 1992: Towards an understanding of the effects of propagation through rain on data through from polarisation diversity radars. in "Direct and Inverse Methods in Radar Polarimetry" (Ed. W-M. Boerner et al.) (Dordrecht: Kluwer Academic Publishers) 1697-1712.
Holt, A.R., P.I. Joe, R. McGuinness, E. Torlaschi, T. Nichols, F. Bergwall, and D.A. Holland, 1994: Simultaneous polarization and Doppler observations of severe convective storms in central Alberta. Atmospheric Research, 34, 37-56.
Humphries, R.G., 1974: Observations and calculations of depolarization effects at 3 GHz due to precipitation. J. Rech. Atmos., 8, Nos. 1-2, 155-162.
Humphries, R.G., and B.L. Barge, 1979: Polarization and dual-wavelength radar observations of the bright band, IEEE Transactions of Geoscience Electronics, GE-17, 190-195.
Inkster, D.R., and R.R. Rogers, 1974: More radar derived statistics on slantpath attenuation at 10 GHz. J. Rech. Atmos., VIII, Nos. 1-2, 421-428
McCormick, G.C., A. Hendry, and B.L. Barge, 1977: The anisotropy of precipitation media, Nature , 238, No. 5361, 214-216.
Metcalf, J.I., and R.G. Humphries, 1981: Workshop on polarization techniques in radar meteorology. Bull. Amer. Meteor. Soc., 62, 416-417.
McGuinness, R., D.H.O.Bebbington, and A.R.Holt 1987: Modelling propagation effects in S-band circular polarisation-diversity radars. Proc. IEE , 134H, 423-430.
McGuinness , R., 1988: A knowledge based colour graphics system for multi-parameter weather radar data. Int. Jour. of Remote Sensing , 9, 515-525
Rogers, R.R. and N.K. Sakellariou, 1986: Precipitation production in three Alberta thunderstorms, Atmosphere-Ocean, 24, 145-168.
Tan, J., A.R. Holt, A. Hendry, and D.H.O. Bebbington, 1991: Extracting rainfall rates from X-band radar data by using differential propagation phase shift. J. Atmos. Oceanic Technol., 6, 790 - 801.
Torlaschi, E., R. G. Humphries, and B.L. Barge, 1984: Circular polarization for precipitation measurement. Radio Sci., 19, 193-200.
Torlaschi, E., and B. Pettigrew, 1990: Propagation effects on reflectivity for circular polarized S-band radars. J. Atmos. Oceanic Technol., 7, 114-117.
Torlaschi, E., and A.R. Holt, 1992: Separation of propagation and backscattering effects in circular polarization diversity S-band radars. J. Atmos. Oceanic Technol., 10, 465-477
Warner, C., 1973: Radar and photo studies of Alberta hailstorms. Weather, 28, 293-299.
Zawadzki, I., 1982: The quantitative interpretation of weather radar measurements. Atmosphere-Ocean, 20, 158-180.
Papers in Conference proceedings
Al-Jumily, K.J., R.G. Humphries, and L.D. Phillips, 1986: Discrimination between rain and hail with polarization diversity radar. Proc. 23rdConf. on Radar Meteor., Sept. 1986, Snowmass, Colorado, 70-73.
Ballantyne, E., and I. Zawadzki, 1968: HARPI, 1967. Proc. 13th Radar Meteor. Conf., Montreal, Que., 314-319.
Barge, B.L., 1970: Polarization observations in Alberta. Proc. 14th Radar Meteor. Conf., Tucson, Arizona, 221-224.
Barge, B.L., 1972: Radar signal depolarization by hydrometeors in Alberta hailstorms. Proc. 15th Radar Meteor. Conf., Urbana-Champaign, Ill., Oct. 1972, 1-6.
Barge, B.L., 1974: Polarization measurements of precipitation backscatter in Alberta; preprints WCRM Colleguum on the fine scale structure of precipitation and electro-magnetic propagation, Nice, France, 10pp.
Barge, B.L., and F. Bergwall, 1976: Fine scale structure of convective storms associated with hail production, Second WMO Conference on Weather Modification, Boulder, Colorado, 341-348.
Barge, B.L., F. Bergwall, G.G. Goyer, and J.H. Renick, 1976: Fine scale structure of convective storms-implications for cloud seeding in Alberta; CMS 10th Annual Congress, Quebec City; 12 pp.
Barge, B.L., J. Ramsden, M.R. Johnson, and R.G. Humphries, 1979: Structure and adaptability in weather radar data systems, Paper presented at Symposium/Workshop on Digital Radar Reflectivity Processing, Edmonton, Alberta, October 1979, 20 pp.
Barge, B.L., and R.G. Humphries, 1980: Identification of rain and hail with polarization and dual-wavelength radar. Proc. 19th Conf. on Radar Meteor., Miami Beach, Florida, 507-516.
Bergwall, F., R.G. Humphries, and G.S. Strong, 1983: The use of radar and a convective index for 1-6 hour regional forecasts, 21st Radar Meteor. Conf., Edmonton, Alberta, 371-374.
Chisholm, A.J., 1968: Observations by 10-cm radar of an Alberta hailstorms in a sheared environment. Proc. 13th Conf. on Radar Meteor., Montreal, Que., 82-87.
Chisholm, A.J., 1970: The radar and airflow structure of Alberta hailstorms. Proc. 14th Radar Meteor. Conf., Tucson, Arizona, 35-42.
Chisholm, A.J., 1971: The radar and airflow structure of hailstorms. Presented at the Symposium on Radar and Laser Methods in Cloud Physics - 15th IUGG General Assembly, Moscow, 35-42.
Chisholm, A.J., and J.H. Renick, 1972: Supercell and multicell Alberta hailstorms. Abstracts Intern. Conf. on Cloud Physics, London, England, 67-68.
Douglas, R.H., 1960: Size distributions, water contents, and radar reflectivities of hail in Alberta. Proc. 8th Weather Radar Conf., San Francisco, 127-134.
Douglas, R.H., 1961: Radar reflectivities of hail samples. Proc. 9th Weather Radar Conf., Kansas City, Missouri, 147-152.
Douglas, R.H., 1964: Hail size distributions. Proc. Conf. on Radio Meteor. and the 11th Weather Radar Conf., Boulder, Colorado, 146-149.
English, M., and J.D. Marwitz, 1981: Radar reflectivity seeding signatures; 20th Conference on Radar Meteor., Boston, Nov. 1981, 380-384 .
Gibson, C., and B. Kochtubajda, 1991: Overview of weather clutter research at the Alberta Research Council. 48th (NATO) AGARD-EPP, Symposium, CP-501, Ottawa, Ontario, 34 1-8.
Gibson, C., 1991: The Application of Lattice-Structure Adaptive filters to Clutter Suppression for Scanning Radar. 48th (NATO) AGARD-EPP, Symposium, CP-501, Ottawa, Ontario, 19 1- 10.
Hendry, A., and L.E. Allan, 1973: Apparatus for real-time display of correlation and relative phase angle data from the Alberta Hail Studies Radar. National Research Council of Canada, Radio and Electrical Engineering Division, ERB-875, 16 pp.
Hendry, A., B.L. Barge, and G.C. McCormick, 1975: The degree of common alignment of hydrometeors. Proc. 16th Radar Meteor. Conf., Houston, Texas, 427-432.
Hitschfeld, W., and R. H. Douglas, 1958: Patterns of hailstorms in Alberta 1957, Proc. 7th Weather Radar Conf., Miami Beach, Florida, 6-13.
Hitschfeld, W., 1971: Hail detection by radar. Paper presented to IAMAP-IUCSTP, Moscow, Aug., 1971, at 15th General Assembly of IUGG, 5 pp.
Hitschfeld, W., and R.H. Douglas, 1961: A theory of hail growth based on radar and surface studies of Alberta hailstorms. Proc. 9th Weather Radar Conf., Kansas City, Missouri, 153-158.
Hitschfeld, W., 1965: Numerical and radar studies of convection. Proc. Intern. Conf. on Cloud Physics, Tokyo, Japan, 25-29.
Holt, A.R., R.McGuinness, and R.G.Humphries 1985:Effects of propagation through rain on polarisation-diversity radar. Proc. 4th Int. Conf. on Ant. & Propag., IEE Conference Publication No 248, 1-5
Holt, A.R., R.G.Humphries and R.McGuinness 1988: Some advantages of using polarisation-diversity illustrated through the analysis of radar data from a storm in Central Alberta. Proc. IGARSS '88: ESA SP-284, 237-240.
Holt, A.R., R.G.Humphries and R.McGuinness 1989: The polarisation characteristics of some clear-air phenomena. Preprints 24th Conf. on Radar Meteorology, TALLAHASSE. 401-402
Holt, A.R. and R.McGuinness 1991: The attenuation of circular polarisation reflectivities in Alberta Storms. Preprints 25th Conf. on Radar Meteorology, PARIS. 591-594
Holt, A.R., E.Torlaschi, R.McGuinness, D.A.Holland, F.Bergwall, T.Nichols and P.Joe 1992: Polarisation and Doppler observations of a tornadic storm in Central Alberta.Proc. 11th Conf. on Clouds and Precipitation, Montreal: 650-653
Holt, A.R., R. McGuinness, E. Torlaschi, and D.H.O. Bebbington:, 1992: On the use of polarization-diversity to aid recognition of ground clutter and anomalous propagation in radar echoes from storms. Proc. Open Symposium on Wave Propagation and Remote Sensing, URSI Commission F, June 8-12, 1992, Revenscar, N. Yorks, United Kingdom, 2.4.1-2.4.5.
Humphries, R.G., 1974: Observations and calculations of depolarization effects at 3 GHz due to precipitation. Preprints IUCRM Colloquim on the Fine Scale Structure of Precipitation and Electro-Magnetic Propagation, Nice, France..
Humphries, R.G.,J. Ramsden, M.R. Johnson, and B.L. Barge, 1978: Real-time, computer-generated displays of radar data for aircraft coordination and hydrology. Proc. 18th Conf. on Radar Meteor., Atlanta, Georgia, 464-467.
Humphries, R.G., and B.L. Barge, 1980: Calculations of dual-wavelength radar reflectivity ratios for non-Rayleigh oblate spheroids. Proc. 19th Conf. on Radar Meteor., Miami Beach, Florida, 517-522.
Humphries, R.G., and F. Bergwall, 1984: The polarization properties of fine scale reflectivity patterns within a severe storm. Proc. 22nd Conf. on Radar Meteor., Zurich, Switzerland, 140-144.
Humphries, R.G., A.R.Holt and P.L.Smith 1991: A radar configuration for monopulse differential reflectivity measurements. Preprints 25th Conf. on Radar Meteorology, PARIS. 622-625
Inkster, D.R., and R.R. Rogers, 1973: More radar derived statistics on slantpath attenuation at 10 GHz. Preprints IUCRM Colloquim on the Fine Scale Structure of Precipitation and Electro-Magnetic Propagation, Nice, France. 6 pp.
Kochtubajda, B., 1991: Application of radar-derived rainfall measurements in a forage insurance program. Preprints, 25th Intn'l. Conf. on Radar Meteorology, Paris, France, 572-575.
Krauss, T.W., 1979: The relationship between volume-averaged radar reflectivity and hail at the ground for Alberta thunderstorms. Proc. 11th Conf. on Severe Local Storms, Kansas City, Missouri, 202-207.
McCormick, G.C., 1968: An antenna for obtaining polarization-related data with Alberta hail radar. Proc. 13th Conf. on Radar Meteor., Montreal, 340-347.
McGuinness, R., A.R.Holt and R.G.Humphries 1984: The interpretation of CDR radar data to obtain rainrates in storms. Preprints 22nd Conf. on Radar Meteorology, ZURICH. 276-280
McGuinness, R. and A.R.Holt 1986: Interpreting CDR,ZDR radar data using a computer colour graphics display. Preprints 23rd Conf. on Radar Meteorology, SNOWMASS. JP377-380
McGuinness, R. and A.R.Holt 1989: The extraction of rainrates from CDR data. Preprints 24th Conf. on Radar Meteorology, TALLAHASSE. 338-341
Methot, A., and E. Torlaschi, 1986: On remote sensing of hail by circular polarization. Proc. 23rd Conference on Radar Meteorology, American Meteorological Society, September 22-26, 1986, Snowmass, Colorado, 74-77.
Pell, J., 1969: Differences between Alberta hail and non-hail storms as observed by radar. Proc. 6th Conf. on Severe Local Storms, Chicago, Ill., 269-302.
Pell, J., 1970: The interactions and radar detectability of hail cells aloft as inferred from surface data. Proc. 14th Radar Conf., Tucson, Arizona, 13-18.
Ramsden, J., M.R. Johnson, R.G. Humphries, and B.L. Barge 1976: Interactive computer-generated displays of radar data; Proc. 17th Radar Meteor. Conf., Seattle,Washington, 468-473.
Renick, J.H., 1971: Radar reflectivity profiles of individual cells in a persistent multicellular Alberta hailstorm. Proc. 7th Conf. on Severe Local Storms, Kansas City, Missouri, 63-70. (Also presented at CMS 5th Annual Conf., MacDonald College.)
Richardson, S., B.L. Barge, and R.G. Humphries, 1983: Hailfall probability based on radar reflectivity. Proc. 21st Radar Conf., Edmonton, Alberta, 421-424.
Tan, J., A.R.Holt, D.H.O.Bebbington and R.McGuinness 1991: Predicting Attenuation effects on C-Band Linear polarization radar data by using S-Band circular polarization diversity radar. Preprints 25th Conf. on Radar Meteorology, PARIS. 595-598
Tan, J., A.R.Holt and D.H.O.Bebbington 1991: Estimates of the effects of attenuation on polarization-diversity radar data at C-Band. Proc. ESA/ESTEC International workshop on multiparameter radar applied to microwave propagation. 94-101.
Torlaschi, E., R. G. Humphries, and B.L. Barge, 1982: Circular polarisation for precipitation measurements. Symposium on Multiple-Parameter Radar Measurements of Precipitation, URSI, August 23-27, 1982, Bournemouth, U.K, 7 pp.
Torlaschi, E., 1983: Potential use of circular depolarization measurements for inference of raindrop and hailstone size distributions, Proc. 21st Conf. on Radar Meteor., Edmonton, Alberta, 454-458.
Torlaschi, E., and R.G. Humphries, 1983: Statistics of reflectivity gradients. Proc. 21st Radar Meteor. Conf., Edmonton, Alberta, 173-175.
Torlaschi, E., and G. Boulet, 1984: Assessement of polarization diversity radar using observed raindrop spectra. Proc. 22nd Conference on Radar Meteorology, American Meteorological Society, September 10-13, 1984, Zurich, Switzerland, 346-351.
Torlaschi, E., B. Pettigrew, and J. St.Pierre, 1989: Circular polarization: Correction of propagation effects, and comparison between radar fields and ground precipitation patterns. Proc. 24th Conference on Radar Meteorology, American Meteorological Society, March 27-31, 1989, Tallahassee, Florida, 371-374.
Torlaschi, E., 1991: S-band circular polarization diversity radars: A method for correcting the propagation effects. Proc. 25th International Conference on Radar Meteorology, American Meteorological Society, Paris, France, 599-601.
Torlaschi, E., D.A. Holland, A.R. Holt, R. McGuinness, and B. Kochtubajda, 1992: Estimates of precipitation in summer storms in central Alberta. 11th International Conference on Clouds and Precipitation, IAMAP, August 17-21, 1992, Montreal, Quebec, 674-675.
Wojtiw, L., and C.G. Ewing, 1983: The use of radar to estimate crop damage for hailstorms in Alberta, Canada. Proc. 21st Radar Conf., Edmonton, Alberta, 435-441
Wojtiw, L., and C. Ewing, 1986: The relationship of time-integrated radar reflectivity with hail crop damage. Proc. 23rd AMS Conf. on Radar Meteor., Snowmass, Colorado. JP 23-26.
Scientific reports
Barlow, R., A.R. Holt, B. Kochtubajda, and R. McGuinness, 1990: Radar measurement of rainfall by differential propagation phase. Alberta Research Council/University of Essex. 244pp.
Barlow, F.D., C.G. Gibson, M.R. Johnson, B. Kochtubajda, A. Krol, and C.F. Richmond, 1992: Weather radar siting assistance. Final report prepared for DMR Group Inc., (acting for DND, Canada), Ottawa. 69pp.
Gibson, C. 1992: Extraction of Melting Layer Statistics from Alberta S-band Weather Radar Observations. ARC report prepared for Communications Research Centre, Dept. of Communications, Canada, 51 pp.
Gibson, C.G., B. Kochtubajda, and F. Bergwall, 1991: Feasibility study for the extraction of melting layer statistics from archived Alberta weather radar observations. Final report prepared for Communications Research Centre, Ottawa. 118pp.
Gibson, C.G., C. Richmond, G. Cardinal, M. English, M. Johnson, B. Kochtubajda, W. Korendyk, R. Morris, M. Stanley-Jones, and K. Tremaine, 1990: Feasibility study and proposal concerning the dopplerization of ARC's S-band weather radar and the provision of services to AES in connection with the dopplerized system. Final report prepared for Atmospheric Environment Services, Downsview. 120pp.
Kochtubajda, B., 1988: Radar-derived rainfall measurements for improved hay and pasture production estimates. Report prepared for Alberta Hail and Crop Insurance Corporation, Lacombe, Alberta. 67pp.
Kochtubajda, B., 1989: A real-time demonstration to provide radar-derived rainfall measurements for a forage insurance program. Report prepared for Alberta Hail and Crop Insurance Corporation, Lacombe, Alberta. 45pp.
Kochtubajda, B., 1991: Provision of C-band radar data for the monitoring, detection and tracking of summer severe storms in central Alberta. Final report prepared for Western Region, Atmospheric Environment Service, Edmonton. 34pp.
Kochtubajda, B., and C.G. Gibson, 1992: A study to evaluate existing hail detection algorithms for the Alberta region. Final report prepared for Atmospheric Environment Service, Downsview, Ontario. 31pp.
Zawadzki, I., and E. Torlaschi, 1988: Attenuation and propagation effects on S-band and C-band radars. Atmospheric Environment Service of Canada, 24 pages.