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A Proposed Model for Flood Routing in Abstracting Ephemeral Channels

From the Proceedings of the 1972 Meetings of the Arizona Section - American Water Resources Assn. and the Hydrology Section - Arizona Academy of Science - May 5-6, 1972, Prescott, Arizona / Almost all runoff from semiarid rangeland watersheds in southern Arizona results from intense highly variable thunderstorm rainfall. Abstractions, or transmission losses, are important in diminishing streamflow, supporting riparian vegetation and providing natural groundwater recharge. A flood routing procedure is developed using data from the walnut gulch experimental watershed, where flood movement and transmission losses are represented by a system using storage in the channel reach as a state variable which determines loss rates. Abstractions are computed as a cascade of general components in linear form. Wide variation in the parameters of this linear model with increasing inflow indicates that a linear relation between losses and storage is probably incorrect for ephemeral channels.

Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/300260
Date06 May 1972
CreatorsLane, Leonard J.
ContributorsSoil and Water Conservation Research Division, Agricultural Research Service, USDA, Arizona Agricultural Experiment Station, Tucson, Arizona, Southwest Watershed Research Center, Tucson, Arizona 85705
PublisherArizona-Nevada Academy of Science
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageEnglish
Typetext, Proceedings
RightsCopyright ©, where appropriate, is held by the author.

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