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Cirrus Particle Distribution Study
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Book Synopsis Cirrus Particle Distribution Study by : Donald J. Varley
Download or read book Cirrus Particle Distribution Study written by Donald J. Varley and published by . This book was released on 1978 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes particle spectra in thin cirrus clouds that were sampled on 18 March 1978 southwest of Albuquerque. The sampling aircraft, an MC-130E, flew near 31,000 ft (9.4 km) and acquired cloud particle data with its three PMS spectrometer probes. Ice crystals larger than 50 micrometer were recorded for only about 17 min, but smaller ones were measured by an axial scattering probe for several more minutes. Listings of particle concentration vs size, averaged over consecutive 30 sec intervals for 75 min, are included. (Author).
Book Synopsis Cirrus Particle Distribution Study by : Donald J. Varley
Download or read book Cirrus Particle Distribution Study written by Donald J. Varley and published by . This book was released on 1979 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cirrus Particle Distribution Study by : Ian D. Cohen
Download or read book Cirrus Particle Distribution Study written by Ian D. Cohen and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: On 19 March 1978 an MC-130E aircraft obtained ice particle data in cirrus clouds near Albuquerque, N.M. Some data were also obtained from a high altostratus layer below the cirrus. Printouts of particle size and average number distribution for consecutive 30-sec periods during the flight are presented. Additionally, graphical displays of average particle spectra and 2-D particle examples are given for five 3- to 5-min periods when cloud conditions were relatively homogeneous. (Author)
Book Synopsis Cirrus Particle Distribution Study by : Donald J. Varley
Download or read book Cirrus Particle Distribution Study written by Donald J. Varley and published by . This book was released on 1979 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the fourth in a series of reports presenting particle distribution data acquired in cirrus clouds over the western U.S. The data herein were obtained 21 March 1978 by an instrumented MC-130E near Albuquerque, N.M. The area was under the influence of a slight upper level ridge, and the cirrus appeared related to jet stream winds. No significant surface weather was present at the time. Results include the following: (1) The largest particles measured were near 2500 micrometers, but there were only one or fewer of these per m3; (2) occasional particles as large as 1300 micrometers were recorded in what visually was cloud-free air; (3) few of the particles could be recognized in any known classification system but those most frequently recognized were bullet rosettes; (4) the PMS 2-D data revealed particle-type changes occurring in 5 sec or less of flight time; (5) a halo around the sun was periodically seen when mixed-type crystals containing bullet rosettes were recorded; (6) varying numbers of small particles (the difference between 1 to 28 micrometers) were recorded almost continually, even in clear air, while the aircraft was between 23,000 ft (7.0 km) and 27,300 ft (8.3 km) MSL; (7) computed ice water content values generally decreased with height and increased with temperature in the cirriform clouds sampled; (8) particle size spectra were seldom exponential for particles smaller than approximately 250 micrometers; and (9) bimodal peaks were frequent in the population distribution near 100 and 250 micrometers. (Author).
Book Synopsis Cirrus Particle Distribution Study by : Donald J. Varley
Download or read book Cirrus Particle Distribution Study written by Donald J. Varley and published by . This book was released on 1979 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the fourth in a series of reports presenting particle distribution data acquired in cirrus clouds over the western U.S. The data herein were obtained 21 March 1978 by an instrumented MC-130E near Albuquerque, N.M. The area was under the influence of a slight upper level ridge, and the cirrus appeared related to jet stream winds. No significant surface weather was present at the time. Results include the following: (1) The largest particles measured were near 2500 micrometers, but there were only one or fewer of these per m3; (2) occasional particles as large as 1300 micrometers were recorded in what visually was cloud-free air; (3) few of the particles could be recognized in any known classification system but those most frequently recognized were bullet rosettes; (4) the PMS 2-D data revealed particle-type changes occurring in 5 sec or less of flight time; (5) a halo around the sun was periodically seen when mixed-type crystals containing bullet rosettes were recorded; (6) varying numbers of small particles (the difference between 1 to 28 micrometers) were recorded almost continually, even in clear air, while the aircraft was between 23,000 ft (7.0 km) and 27,300 ft (8.3 km) MSL; (7) computed ice water content values generally decreased with height and increased with temperature in the cirriform clouds sampled; (8) particle size spectra were seldom exponential for particles smaller than approximately 250 micrometers; and (9) bimodal peaks were frequent in the population distribution near 100 and 250 micrometers. (Author).
Book Synopsis A Survey of Melting Layer Research by : Robert C. Schaller
Download or read book A Survey of Melting Layer Research written by Robert C. Schaller and published by . This book was released on 1982 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes previous melting-layer research both within and outside AFGL and provides recommendations for future research in the melting layer. An extensive literature search provided a bibliography of previous research. This bibliography is included as an appendix. Several definitions of the top and bottom of the melting layer are presented and discussed. Aggregation and breakup appear to be the chief microphysical processes that determine the particle-size spectrum of snow and ice that enter the melting layer. Studies of the actual melting process and of the melting layer as seen by radar are presented. Microphysical and thermodynamic characteristics are discussed. Dynamic considerations are mentioned. Previously gathered aircraft data are reviewed, and recommendations are made for future aircraft and radar data-gathering efforts. (Author).
Book Synopsis Air Force Surveys in Geophysics by :
Download or read book Air Force Surveys in Geophysics written by and published by . This book was released on 1978 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Paper written by and published by . This book was released on 1981 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Research Papers by : U.S. Air Force Geophysics Laboratory
Download or read book Environmental Research Papers written by U.S. Air Force Geophysics Laboratory and published by . This book was released on with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Implications of the Khrgian-Mazin Distribution Function for Water Clouds and Distribution Consistencies with Aerosols and Rain by : V. G. Plank
Download or read book Implications of the Khrgian-Mazin Distribution Function for Water Clouds and Distribution Consistencies with Aerosols and Rain written by V. G. Plank and published by . This book was released on 1991 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Air Force Surveys in Geophysics by :
Download or read book Air Force Surveys in Geophysics written by and published by . This book was released on 1979 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Vapor, Precipitation, Clouds and Fog by : D. D. Grantham
Download or read book Water Vapor, Precipitation, Clouds and Fog written by D. D. Grantham and published by . This book was released on 1983 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigations of Large Scale Storm Systems by : Arnold A. Barnes
Download or read book Investigations of Large Scale Storm Systems written by Arnold A. Barnes and published by . This book was released on 1982 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The microphysics of Large Scale Cloud Systems (LSCS) was investigated by in-situ measurements made from two specially instrumented aircraft, a United States Air Force MC-130E and a Learjet 36 Information was obtained on the distribution of liquid and ice water content, particle size distributions, crystal habits, and other meteorological variables. The morphologies of three storms were investigated in detail as the storms crossed the United States.
Book Synopsis Solar Radiation and Clouds by : Ronald Welch
Download or read book Solar Radiation and Clouds written by Ronald Welch and published by Springer. This book was released on 2015-03-30 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research reported in this monograph represents an attempt to explore the extreme values as well as the more probable values of the radiative characteristics of water and ice clouds in the solar wavelengths. It discusses topics such as monomodal drop size distributions, cloud thickness, cloud geometry, to the radiative characteristics of clouds and ice crystals.
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1976 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Conversion of Aircraft Ice Crystal Measurements Into Terms of Liquid Water Using Simulated Data by : Robert O. Berthel
Download or read book The Conversion of Aircraft Ice Crystal Measurements Into Terms of Liquid Water Using Simulated Data written by Robert O. Berthel and published by . This book was released on 1981 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This investigation presents simulated environments of ice crystals to computer analysis as a means of imitating particle measurements made by electro-optical devices such as the Particle Measuring System's 1-D instrument. A mathematical model is developed so that single crystals of known geometric form can be processed by considering each crystal's spatial relationship to the assumed measuring instrument. Crystal orientation is defined using a random number technique. The results of the assumed measurements are converted into mass of equivalent liquid water by different methods and are compared with the known mass of the simulated environment. Relationships are derived for the conversion of several forms of single ice crystals into terms of equivalent melted diameters of liquid water and a comparison is made between the mass calculated from the derived equations with the conversion equations relating measured length to equivalent melted diameter currently in use.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
