TECHNICAL PAPERS
Oct 1, 1991
Point‐Rainfall Measurement in Terms of Time Interval
Publication: Journal of Hydraulic Engineering
Volume 117, Issue 10
Abstract
An alternative approach to recording and analyzing point rainfall is proposed. This alternative measure makes use of simple modifications of an autographic rain gage and a dedicated controller to monitor pulses generated by the rain gage when a selected amount of rainfall is collected. The times of occurrence of successive pulses are recorded. This approach reduces the amount of data storage tremendously, yet preserves all the information with fine temporal resolution. The resultant rainfall series, when expressed in terms of frequency against log10 (time interval) between successfive pulses, are fitted with a two-parameter gamma distribution function. The function, when replotted as cumulative density function, provides a simple means to simulate synthetic rainfall series for applications where serial correlation of events is not important.
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References
1.
Kottegoda, N. T. (1980). Stochastic water resources technology. Macmillan Press, London, United Kingdom.
2.
Raudkivi, A. J. (1979). Hydrology. Pergamon Press, Oxford, United Kingdom.
3.
Winston, W. L. (1987). Operations research: applications and algorithms. PWS Publication, Boston, Mass.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 117 • Issue 10 • October 1991
Pages: 1304 - 1309
Copyright
Copyright © 1991 ASCE.
History
Published online: Oct 1, 1991
Published in print: Oct 1991
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Authors
Affiliations
S. K. Tan, Member, ASCE
Sr. Lect., School of Civ. and Struct. Engrg., Nanyang Tech. Univ., Nanyang Avenue, Singapore 2263
Y. M. Chiew, Member, ASCE
Sr. Lect., School of Civ. and Struct. Engrg., Nanyang Tech. Univ., Nanyang Avenue, Singapore 2263
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.