The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models

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The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models
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Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1987
The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models 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 1987 with Cloud physics categories.
A number of meteorological applications involving clouds require being able to determine a reasonable hydrometeor particle size distribution when given the mean hydrometeor mass density ('liquid-' or 'ice-water content') over a region of space. Such applications include numerical cloud model with 'parameterized' or 'bulk' microphysics, which have often assumed exponential size distributions. This study proposes a parameterization scheme based on a doubly-truncated exponential particle size distribution, i.e. a distribution that is truncated at both the large and small diameter ends. The necessary inputs to the scheme are the liquid or ice water content and the temperature of the sample, and, in some circumstances, and estimate of the lower truncation limit. Outputs include the parameters of the exponential distribution, including the upper truncation limit. A special set of relationships is used for rain when the largest particles exceed the assumed breakup diameter of 6 mm. The scheme relies on theoretical relationships derived from the equation for the double-truncated distribution, and on empirically-derived relationships. The empirical expressions include relationship between M and Z (where M is the liquid or ice water content and Z is the radar reflectivity) and values for the product Lambda D sum M (where Lambda is the parameter of the exponential distribution and D sub M is the upper truncation limit).
Implications Of The Khrgian Mazin Distribution Function For Water Clouds And Distribution Consistencies With Aerosols And Rain
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Author : V. G. Plank
language : en
Publisher:
Release Date : 1991
Implications Of The Khrgian Mazin Distribution Function For Water Clouds And Distribution Consistencies With Aerosols And Rain written by V. G. Plank and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Aerosols categories.
Environmental Research Papers
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Author : U.S. Air Force Geophysics Laboratory
language : en
Publisher:
Release Date :
Environmental Research Papers written by U.S. Air Force Geophysics Laboratory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Aeronautics categories.
Technical Reports Awareness Circular Trac
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Author :
language : en
Publisher:
Release Date : 1987-12
Technical Reports Awareness Circular Trac written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-12 with Science categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1988
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 1988 with Aeronautics categories.
The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models
DOWNLOAD
Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1987
The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models 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 1987 with Clouds categories.
Meteorological And Geoastrophysical Abstracts
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Author :
language : en
Publisher:
Release Date : 1988
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 1988 with Atmospheric chemistry categories.
The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1987
The Application Of Doubly Truncated Hydrometeor Distributions To Numerical Cloud Models written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
A number of meteorological applications involving clouds require being able to determine a reasonable hydrometeor particle size distribution when given the mean hydrometeor mass density ('liquid-' or 'ice-water content') over a region of space. Such applications include numerical cloud model with 'parameterized' or 'bulk' microphysics, which have often assumed exponential size distributions. This study proposes a parameterization scheme based on a doubly-truncated exponential particle size distribution, i.e. a distribution that is truncated at both the large and small diameter ends. The necessary inputs to the scheme are the liquid or ice water content and the temperature of the sample, and, in some circumstances, and estimate of the lower truncation limit. Outputs include the parameters of the exponential distribution, including the upper truncation limit. A special set of relationships is used for rain when the largest particles exceed the assumed breakup diameter of 6 mm. The scheme relies on theoretical relationships derived from the equation for the double-truncated distribution, and on empirically-derived relationships. The empirical expressions include relationship between M and Z (where M is the liquid or ice water content and Z is the radar reflectivity) and values for the product Lambda D sum M (where Lambda is the parameter of the exponential distribution and D sub M is the upper truncation limit).
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1988
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1988
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Government reports announcements & index categories.