USE OF TOPOLOGICAL INFORMATION IN HYDROGRAPH ESTIMATION

M. R. Karlinger; D. P. Guertin; B. M. Troutman

doi:10.1111/j.1752-1688.1987.tb00806.x

USE OF TOPOLOGICAL INFORMATION IN HYDROGRAPH ESTIMATION

M. R. Karlinger, D. P. Guertin, B. M. Troutman

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

ABSTRACT: Discharge hydrographs computed from the theory of linear flow through topologically random channel networks are compared to actual discharge hydrographs for basins in semiarid regions of central Wyoming. The basins drained by the channel networks range in size from 0.69 to 10.8 square miles. Topological information consisting of stream‐network magnitude and link ‐length distribution parameters are used in calibrating celerity values that ensure that the peak discharge and excess rainfall volume of the resulting computed hydrographs match the peak discharge and excess‐rainfall volume of the actual hydrographs. Results indicate that, for a given peak discharge and excess‐rainfall volume in a basin, the sensitivity of the calibrated celerity values to excess‐rainfall duration is small if the ratio of excess‐rainfall volume to peak discharge is at least 1.75 times the excess‐rainfall duration.

Original language	English (US)
Pages (from-to)	271-279
Number of pages	9
Journal	JAWRA Journal of the American Water Resources Association
Volume	23
Issue number	2
DOIs	https://doi.org/10.1111/j.1752-1688.1987.tb00806.x
State	Published - Apr 1987
Externally published	Yes

Keywords

drainage patterns
sensitivty analysis
statistical models
unit hydrograph

ASJC Scopus subject areas

Ecology
Water Science and Technology
Earth-Surface Processes

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10.1111/j.1752-1688.1987.tb00806.x

Cite this

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abstract = "ABSTRACT: Discharge hydrographs computed from the theory of linear flow through topologically random channel networks are compared to actual discharge hydrographs for basins in semiarid regions of central Wyoming. The basins drained by the channel networks range in size from 0.69 to 10.8 square miles. Topological information consisting of stream‐network magnitude and link ‐length distribution parameters are used in calibrating celerity values that ensure that the peak discharge and excess rainfall volume of the resulting computed hydrographs match the peak discharge and excess‐rainfall volume of the actual hydrographs. Results indicate that, for a given peak discharge and excess‐rainfall volume in a basin, the sensitivity of the calibrated celerity values to excess‐rainfall duration is small if the ratio of excess‐rainfall volume to peak discharge is at least 1.75 times the excess‐rainfall duration.",

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AU - Karlinger, M. R.

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Y1 - 1987/4

N2 - ABSTRACT: Discharge hydrographs computed from the theory of linear flow through topologically random channel networks are compared to actual discharge hydrographs for basins in semiarid regions of central Wyoming. The basins drained by the channel networks range in size from 0.69 to 10.8 square miles. Topological information consisting of stream‐network magnitude and link ‐length distribution parameters are used in calibrating celerity values that ensure that the peak discharge and excess rainfall volume of the resulting computed hydrographs match the peak discharge and excess‐rainfall volume of the actual hydrographs. Results indicate that, for a given peak discharge and excess‐rainfall volume in a basin, the sensitivity of the calibrated celerity values to excess‐rainfall duration is small if the ratio of excess‐rainfall volume to peak discharge is at least 1.75 times the excess‐rainfall duration.

AB - ABSTRACT: Discharge hydrographs computed from the theory of linear flow through topologically random channel networks are compared to actual discharge hydrographs for basins in semiarid regions of central Wyoming. The basins drained by the channel networks range in size from 0.69 to 10.8 square miles. Topological information consisting of stream‐network magnitude and link ‐length distribution parameters are used in calibrating celerity values that ensure that the peak discharge and excess rainfall volume of the resulting computed hydrographs match the peak discharge and excess‐rainfall volume of the actual hydrographs. Results indicate that, for a given peak discharge and excess‐rainfall volume in a basin, the sensitivity of the calibrated celerity values to excess‐rainfall duration is small if the ratio of excess‐rainfall volume to peak discharge is at least 1.75 times the excess‐rainfall duration.

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USE OF TOPOLOGICAL INFORMATION IN HYDROGRAPH ESTIMATION

Abstract

Keywords

ASJC Scopus subject areas

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