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Assessing the Performance of SHETRAN Simulating a Geologically Complex Catchment

Lookup NU author(s): Dr Stephen Birkinshaw

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2022 by the authors. Despite recent progress in terms of cheap computing power, the application of physically-based distributed (PBD) hydrological codes still remains limited, particularly, because some commercial-license codes are expensive, even under academic terms. Thus, there is a need for testing the performance of free-license PBD codes simulating complex catchments, so that cheap and reliable mechanistic modelling alternatives might be identified. The hydrology of a geologically complex catchment (586 km2) was modelled using the free-license PBD code SHETRAN. The SHETRAN evaluation took place by comparing its predictions with (i) discharge and piezometric time series observed at different locations within the catchment, some of which were not taken into account during model calibration (i.e., multi-site test); and (ii) predictions from a comparable commercial-license code, MIKE SHE. In general, the discharge and piezometric predictions of both codes were comparable, which encourages the use of the free-license SHETRAN code for the distributed modelling of geologically complex systems.

Publication metadata

Author(s): Vazquez RF, Brito JE, Hampel H, Birkinshaw S

Publication type: Article

Publication status: Published

Journal: Water (Switzerland)

Year: 2022

Volume: 14

Issue: 20

Online publication date: 21/10/2022

Acceptance date: 18/10/2022

Date deposited: 29/06/2023

ISSN (electronic): 2073-4441

Publisher: MDPI AG

URL: https://doi.org/10.3390/w14203334

DOI: 10.3390/w14203334

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