Rain day frequency and mean daily rainfall intensity as determinants of total rainfall over the eastern Orange free state
作者:
M. S. J. Harrison,
期刊:
Journal of Climatology
(WILEY Available online 1983)
卷期:
Volume 3,
issue 1
页码: 35-45
ISSN:0196-1748
年代: 1983
DOI:10.1002/joc.3370030104
出版商: John Wiley&Sons, Ltd.
关键词: Rainfall variations;Rain days;Rain per rain day;Circulation variations;Weather modification;Southern Africa
数据来源: WILEY
摘要:
AbstractSummer rainfall totals over the eastern Orange Free State are described in terms of number of days of rain and of mean rainfall per rain day. Variations in rainfall may be considered to result from frequency changes in an objectively‐chosen subset of significant rain days. It is demonstrated, through the use of the equationy= αx exp (βx) (wherexandyare the cumulative percentages of the number of rain days and of the rainfall respectively), that increases in mean rainfall per rain day result from an increased number of, and increased intensity of rain on, the heaviest rain days. Some implications of these findings for studies of atmospheric circulation changes and for weather modification are discus
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