The PROBE field trip, the components, and part of the design and construction of the ARM Mark I radiometer and the analysis were supported by the U.S. Department of Energy, Office of Health and Environmental Research, Grant No. DE-FG02-92ER61373. Messrs. John Bennett, Reg Henry, Brian Turner, and Bernard Petraitis, of the CSIRO, Division of Atmospheric Research, designed and fabricated the ARM Mark I radiometer. The authors also acknowledge the permission and help given by the PNG Bureau of Meteorology in the use of their observation site at Kavieng.
Ansmann, A., U. Wandinger, M. Riebesell, C. Weitkamp, and W. Michaelis, 1992: Independent measurement of extinction and backscatter profiles in cirrus clouds by using a combined Raman elastic-backscatter lidar. Appl. Opt.,31, 7113–7131.
Arking, A., and D. Ziskin, 1994: Relationship between clouds and sea surface temperatures in the western tropical Pacific. J. Climate,7, 988–1000.
Bignell, K. J., 1970: The water vapor infrared continuum. Quart. J. Roy. Meteor. Soc.,96, 390–403.
Burch, D. E., 1970: Investigation of the absorption of infrared radiation by atmospheric gases. Semiannual Tech. Rep. U-4784, Aeronutronic Division, Philco-Ford Corporation, Newport Beach, CA.
Cess, R. D., L. Potter, J.-P. Blanchet, G. J. Boer, A. D. Del Genio, M. Deque, V. Dymnikov, V. Galin, W. L. Gates, S. J. Ghan, J. T. Kiehl, A. A. Lacis, H. Le Treut, Z.-X. Li, H.-Z. Liang, B. J. McAvaney, V. P. Meleshko, J. F. B. Mitchell, J.-J. Morcrette, D. A. Randall, L. Rikus, E. Roeckner, J. F. Royer, U. Schlese, D. A. Sheinin, A. Slingo, A. P. Sokolov, K. E. Taylor, W. M. Washington, R. T. Wetherald, I. Yagai, and M. H. Zhang, 1990: Intercomparison and interpretation of climate feedback processes in 19 atmospheric general circulation models. J. Geophys. Res.,95, 16 601–16 615.
Clough, S. A., F. X. Kneizys, and R. W. Davies, 1989: Line shape and the water vapour continuum. Atmos. Res.,23, 229–241.
Davis, P. A., 1971: Applications of an airborne ruby lidar during a BOMEX program of cirrus observations. J. Appl. Meteor.,10, 1314–1323.
Fernald, F. G., 1984: Analysis of atmospheric lidar observations: Some comments. Appl. Opt.,23, 652–653.
Griffith, K. T., S. K. Cox, and R. G. Knollenberg, 1980: Infrared radiative properties of tropical cirrus clouds inferred from aircraft measurements. J. Atmos. Sci.,37, 1077–1087.
Heymsfield, A. J., 1986: Ice particles observed in a cirriform cloud at −83°C and implications for polar stratospheric clouds. J. Atmos. Sci.,43, 851–855.
——, and C. M. R. Platt, 1984: A parameterization of the particle size spectrum of ice clouds in terms of ambient temperature and the ice water content. J. Atmos. Sci.,41, 846–855.
——, and G. M. McFarquhar, 1996: High albedoes of cirrus in the Tropical Pacific Warm Pool: Microphysical interpretation from CEPEX and from Kwajalein, Marshall Islands. J. Atmos. Sci,53, 2424–2451.
Knollenberg, R. G., K. Kelly, and J. C. Wilson, 1993: Measurements of high number densities of ice crystals in the tops of tropical cumulonimbus. J. Geophys. Res.,98, 8639–8664.
Lee, A. C. L., 1973: A study of the continuum absorption within the 8–13 μm atmospheric window. Quart. J. Roy. Meteor. Soc.,99, 490–505.
Macke, A., 1993: Scattering of light by polyhedral ice crystals. Appl. Opt.,32, 2780–2788.
Minnis, P., D. F. Young, K. Sassen, J. M. Alvarez, and C. J. Grund, 1990: The 27–28 October 1986 FIRE IFO Cirrus Case Study: Cirrus parameter relationships derived from satellite and lidar data. Mon. Wea. Rev.,118, 2402–2425.
Mitchell, D. L., and W. P. Arnott, 1994: A model predicting the evolution of ice particle size spectra and radiative properties of cirrus clouds. Part II: Dependence of absorption and extinction on ice crystal morphology. J. Atmos. Sci.,51, 817–832.
Pal, S. R., A. I. Carswell, I. Gordon, and A. Fong, 1995: Lidar-derived cloud optical properties obtained during the ECLIPS program. J. Appl. Meteor.,34, 2388–2399.
Platt, C. M. R., 1971: A narrow-beam radiometer for atmospheric radiation studies. J. Appl. Meteor.,10, 1307–1313.
——, 1973: Lidar and radiometric observations of cirrus clouds. J. Atmos. Sci.,30, 1191–1204.
——, 1978: Lidar backscatter from horizontal ice crystal plates. J. Appl. Meteor.,17, 482–488.
——, 1979: Remote sounding of high clouds. Part I: Calculation of visible and infrared optical properties from lidar and radiometer measurements. J. Appl. Meteor.,18, 1130–1143.
——, 1981: Remote sounding of high clouds. Part III: Monte Carlo calculations of multiple scattered lidar returns. J. Atmos. Sci.,38, 156–167.
——, 1997: A parameterization of the visible extinction coefficient of ice clouds in terms of the ice/water content. J. Atmos. Sci.,54, 2083–2098.
——, and G. L. Stephens, 1980: The interpretation of remotely sensed high cloud emittances. J. Atmos. Sci.,37, 2314–2322.
——, and A. C. Dilley, 1981: Remote sounding of high clouds. Part IV: Observed temperature variations in cirrus optical properties. J. Atmos. Sci.,38, 1069–1082.
——, and Harshvardhan, 1988: Temperature dependence of cirrus extinction: Implications for climate feedback. J. Geophys. Res.,93, 11 051–11 058.
——, A. C. Dilley, J. C. Scott, I. J. Barton, and G. L. Stephens, 1984:Remote sounding of high clouds. Part V: Infrared properties and structure of tropical thunderstorm anvils. J. Climate Appl. Meteor.,23, 1296–1308.
——, J. C. Scott, and A. C. Dilley, 1987: Remote sounding of high clouds. VI: Optical properties of mid-latitude and tropical cirrus. J. Atmos. Sci.,44, 729–747.
——, J. D. Spinhirne, and W. D. Hart, 1989: Optical and microphysical properties of a cold cirrus cloud: Evidence for regions of small ice particles. J. Geophys. Res.,94, 11 151–11 164.
——, J. W. Bennett, S. A. Young, M. D. Fenwick, P. J. Manson, G. R. Patterson, and B. Petraitis, 1993: Narrow-beam fast filter radiometry and the use of the lidar/radiometer method in the Atmospheric Radiation Measurement Program. Proc. 3rd Atmos. Radiation Measurement (ARM) Science Team Meeting, Norman, OK, U.S. Dept. of Energy, 293–297.
Prabhakara, C., J.-M. Yoo, G. Dalu, and D. P. Kratz, 1991: Optically thin cirrus clouds over oceans and possible impact on sea surface temperature of Warm Pool in Western Pacific. NASA Tech. Memo. No. 104550, 36 pp. [Available from Goddard Space Flight Center, Greenbelt, MD 20771.].
Ramanathan, V., and W. Collins, 1991: Thermodynamic regulation of ocean warming by cirrus clouds deduced from observations of the 1987 El Nino. Nature,351, 27–32.
Ramaswamy, V., and V. Ramanathan, 1989: Solar absorption by cirrus clouds and the maintenance of the tropical upper troposphere thermal structure. J. Atmos. Sci.,46, 2293–2310.
Roberts, R. E., J. E. A. Selby, and L. M. Biberman, 1976: Infrared continuum absorption by atmospheric water vapor in the 8–12 μm window. Appl. Opt.,15, 2085–2090.
Roeckner, E., 1988: Cloud-radiation feedbacks in a climate model. Atmos. Res.,21, 293–303.
Sassen, K., 1992: Evidence for liquid phase cirrus cloud formation from volcanic aerosols: Climatic implications. Science,257, 516–519.
——, and B. S. Cho, 1992: Subvisual-thin cirrus lidar dataset for satellite verification and climatological research. J. Appl. Meteor.,31, 1275–1286.
——, C. J. Grund, J. D. Spinhirne, R. M. Hardesty, and J. M. Alvarez, 1990: The 27–28 October 1986 FIRE IFO Cirrus Case Study: A five lidar overview of cloud structure and evolution. Mon. Wea. Rev.,118, 2288–2311.
Shaw, J. A., J. B. Snider, J. H. Churnside, and M. D. Jacobson, 1995:Comparison of infrared atmospheric brightness temperatures measured by a Fourier transform spectrometer and a filter radiometer. J. Atmos. Oceanic Technol.,12, 1124–1128.
Spinhirne, J. D., and W. D. Hart, 1990: Cirrus structure and radiative parameters from airborne lidar and spectral radiometer observations: The 28 October 1986 FIRE Study. Mon. Wea. Rev.,118, 2329–2343.
Stephens, G. L., and T. J. Greenwald, 1991: The earth’s radiation budget and its relation to atmospheric hydrology: 2. Observations of cloud effects. J. Geophys. Res.,96, 15 325–15 340.
Takano, Y., and K. N. Liou, 1995: Radiative transfer in cirrus clouds. Part III: Light scattering by irregular ice crystals. J. Atmos. Sci.,52, 818–837.
Uthe, E. E., and P. B. Russell, 1976: Lidar observations of tropical high altitude cirrus clouds. Radiation in the Atmosphere, H. J. Bolle, Ed., Science Press, 242–244.
Wang, P.-H., M. P. McCormick, L. R. Poole, W. P. Chu, G. K. Yue, G. S. Kent, and K. M. Skeens, 1994: Tropical high cloud characteristics derived from SAGE II extinction measurements. Atmos. Res.,34, 53–83.
Westwater, E. R., J. H. Churnside, J. A. Shaw, J. B. Snider, K. S. Gage, Y. Han, W. Ecklund, A. Riddle, and A. C. Williams, 1995:Ground-based remote sensor observations during the PROBE experiment in the tropical western Pacific. Proc. IGARSS ’95, Florence, Italy, IEEE, 882–886.
Yang, P., and K. N. Liou, 1996: Finite-difference time domain method for light scattering by small ice crystals in three-dimensional space. J. Opt. Soc. Amer. A.,13, 2072–2085.
Young, L. A., 1984: Atmospheric transmittance determination from sky radiance in real time in the tropics. Appl. Opt.,23, 396–401.
Young, S. A., 1995: Analysis of lidar backscatter profiles in optically thin clouds. Appl. Opt.,34, 7019–7031.