The intensity-duration-frequency (IDF) relationships bound rainfall intensity to duration and return period. These relationships are commonly used as an input in design of many hydraulic structures and drainage systems. Empirical IDF are estimated on the basis of recorded maximum annual precipitation of given durations, often ranging from 1 h to 24 h. For shorter durations, extrapolations are applied. In this paper, maximum annual precipitation for durations shorter than 1 h (namely, 30 min and 10 min) are evaluated using a rainfall disaggregation model and then used for the evaluation of the IDF relationship. A comparison of values obtained with the extrapolated values is then performed, and the results are discussed. Keywords: intensity-duration-frequency curves, rainfall disaggregation, entropy.
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17 October 2013
11TH INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2013: ICNAAM 2013
21–27 September 2013
Rhodes, Greece
Research Article|
October 17 2013
IDF relationships for short duration rainfall
Valeria Montesarchio;
Valeria Montesarchio
Università degli Studi Niccolò Cusano, Via Don Carlo Gnocchi, 3, 00166 Rome,
Italy
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Francesco Napolitano;
Francesco Napolitano
Dipartimento di Ingegneria Civile, Edile e Ambientale (DICEA), Sapienza University of Rome, Via Eudossiana 18, 00184 Rome,
Italy
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Fabio Russo;
Fabio Russo
Dipartimento di Ingegneria Civile, Edile e Ambientale (DICEA), Sapienza University of Rome, Via Eudossiana 18, 00184 Rome,
Italy
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S. Spina
S. Spina
Dipartimento di Ingegneria Civile, Edile e Ambientale (DICEA), Sapienza University of Rome, Via Eudossiana 18, 00184 Rome,
Italy
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AIP Conf. Proc. 1558, 1685–1688 (2013)
Citation
Valeria Montesarchio, Francesco Napolitano, Fabio Russo, S. Spina; IDF relationships for short duration rainfall. AIP Conf. Proc. 17 October 2013; 1558 (1): 1685–1688. https://doi.org/10.1063/1.4825854
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