A Sensitivity Analysis Approach to Identifying Drivers of Streamflow Hysteresis

A Sensitivity Analysis Approach to Identifying Drivers of Streamflow Hysteresis

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Authors

Emma Christine House, Ehab Meselhe, Marian Muste, Kyeongdong Kim, Ibrahim Demir

Abstract

We study the critical interplay between streamflow hysteresis and local hydro-morphologic conditions. Hysteresis strength, which can lead to over 60% errors in discharge estimation with widely accepted monitoring methods, is primarily influenced by local characteristics such as bed slope, roughness, and event wave intensity. Our study used a 1D numerical model to highlight the hysteresis response to local hydro-morphological changes acting in isolation or combination. The sensitivity study entails gradual variation of the hydrograph intensity, backwater condition, bed slope (0.0001

DOI

https://doi.org/10.31223/X5CJ1Q

Subjects

Civil and Environmental Engineering, Engineering, Hydraulic Engineering

Keywords

Streamflow hysteresis, sensitivity, HEC-RAS

Dates

Published: 2025-09-27 22:30

Last Updated: 2025-09-28 18:28

License

CC-BY Attribution-NonCommercial-ShareAlike 4.0 International