Microphysical Properties Of A Large Scale Cloud System 1 3 March 1978
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Microphysical Properties Of A Large Scale Cloud System 1 3 March 1978
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Author : Donald J. Varley
language : en
Publisher:
Release Date : 1980
Microphysical Properties Of A Large Scale Cloud System 1 3 March 1978 written by Donald J. Varley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Cloud physics categories.
This report describes the microphysical properties observed by a specially-instrumented C-130 while flying in portions of a large cloud system on 3 successive days in March 1978. Each of the flights was made slightly east of an upper level trough as it moved across the U.S. Horizontal sampling passes of 50 to 100 nm (93 to 186 km) in length were made at various levels from approximately 2 to 9 km above ground in portions of the cloud system that were relatively homogeneous horizontally and vertically. Particle spectra data from PMS 1-D spectrometers were averaged for consecutive 20-sec periods. On each of the 3 days the particles having the smallest mean size were observed at the highest levels flown and had median diameters near 100 micrometers. The calculated equivalent liquid water content from 7 to 9 km was near 0.0 1 g cu m. The total particle count was between 8,000 and 18,000 cu m over Arkansas and coastal Delaware, but was near 25,000 cu m over the mountains of New Mexico. Values of mass and particle size increased with particle distance fallen, by indicating growth by collective means. The largest equivalent liquid water content values were near 1 g cu m and were recorded in the large snow just above the freezing level. The form factor, a mathematical parameter, was found useful in studying particle spectra. Certain maxima and minima observed in several plotted spectra, especially those from 7-km altitude data, are suggested as being due to an aggregation mechanism. (Author).
Development Of A Large Scale Cloud System 23 27 March 1978
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Author : Ian D. Cohen
language : en
Publisher:
Release Date : 1981
Development Of A Large Scale Cloud System 23 27 March 1978 written by Ian D. Cohen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Cloud physics categories.
Investigations Of Large Scale Storm Systems
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Author : Arnold A. Barnes
language : en
Publisher:
Release Date : 1982
Investigations Of Large Scale Storm Systems written by Arnold A. Barnes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Cirrus clouds categories.
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.
A Survey Of Melting Layer Research
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Author : Robert C. Schaller
language : en
Publisher:
Release Date : 1982
A Survey Of Melting Layer Research written by Robert C. Schaller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Ice categories.
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).
Air Force Surveys In Geophysics
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Author :
language : en
Publisher:
Release Date : 1980
Air Force Surveys In Geophysics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Geophysics categories.
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data
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Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1981
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data written by Robert O. Berthel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Airplanes categories.
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.
Accessions List
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Author : Environmental Science Information Center. Library and Information Services Division
language : en
Publisher:
Release Date : 1981
Accessions List written by Environmental Science Information Center. Library and Information Services Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Ecology categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1989
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Aeronautics categories.
Proceedings Of The 9th International Cloud Physics Conference Tallinn Estonian Ssr Ussr 21 28 August 1984
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Author :
language : en
Publisher:
Release Date : 1984
Proceedings Of The 9th International Cloud Physics Conference Tallinn Estonian Ssr Ussr 21 28 August 1984 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Cloud physics categories.
Meteorological And Geoastrophysical Abstracts
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Author :
language : en
Publisher:
Release Date : 1989
Meteorological And Geoastrophysical Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Atmospheric chemistry categories.