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A Physically Based Flood Frequency Distribution
Author(s) -
DíazGranados M. A.,
Valdes J. B.,
Bras R. L.
Publication year - 1984
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/wr020i007p00995
Subject(s) - hydrograph , storm , flood myth , hydrology (agriculture) , environmental science , streamflow , frequency distribution , joint probability distribution , drainage basin , 100 year flood , probability density function , flood forecasting , meteorology , geology , mathematics , statistics , geography , cartography , geotechnical engineering , archaeology
The geomorphoclimatic instantaneous unit Hydrograph theory, the joint probability density function of storm duration and intensity, and Philip's representation of the infiltration process are used to derive a flood frequency distribution that could be used in regions with no streamflow records. The resulting flood frequency distribution is in analytical form containing only few climatologic and physiographic parameters of the catchment. This frequency distribution was tested against frequency distributions calculated from historic records for arid and wet climates, with good and reasonable results, respectively.