This week’s featured Western Waters Digital Llibrary item is “Hydrological Data and Peak Discharge Determination of Small Hawaiian Watersheds: Island of Oahu.” From the abstract, “Basic hydrological data including rainfall, runoff, historical flood, watershed characteristics, soil type, and land use of Hawaiian small watersheds on Oahu have been compiled and analyzed. Frequency analysis for annual peak discharge was made for 23 small watersheds on Oahu by using Gumbel’s extreme value theory. A regional flood formula has been derived for Honolulu and between mountain ranges of the island
of Oahu through the use of multiple regression.” This technical report comes to the WWDL from the University of Hawaii at Manoa’s Water Resources Research Center.

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