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contributor authorGifford, F. A.
date accessioned2017-06-09T14:09:28Z
date available2017-06-09T14:09:28Z
date copyright1995/07/01
date issued1995
identifier issn0894-8763
identifier otherams-13476.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4148930
description abstractRecent atmospheric cloud-spreading (relative diffusion) data from a variety of sources are combined to show that the horizontal spreading rate is approximately linear over a time range from 1 to 10 or more hours (20?200 or more km) of downwind cloud travel. This result agrees with earlier observational studies, in which the horizontal cloud standard deviation σy has consistently been found to vary as tp, where t is the downwind travel time and p is in the range 1?1.2. For the present dataset, σy is found to vary as t1.1. A recent theoretical prediction, p = 7/6, valid over the entire range of t, is very close to these observed values.
publisherAmerican Meteorological Society
titleSome Recent Long-Range Diffusion Observations
typeJournal Paper
journal volume34
journal issue7
journal titleJournal of Applied Meteorology
identifier doi10.1175/1520-0450-34.7.1727
journal fristpage1727
journal lastpage1730
treeJournal of Applied Meteorology:;1995:;volume( 034 ):;issue: 007
contenttypeFulltext


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