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Addressing how spatial resolution affects image velocimetry outputs: implications for measurements from space

Lookup NU author(s): Harley Dixey, Professor Stuart DunningORCiD, Dr Matthew PerksORCiD

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

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Author(s): Dixey HT, Rollanson E, Dunning S, Perks MT

Publication type: Article

Publication status: Published

Journal: Hydrological Sciences Journal

Year: 2026

Pages: epub ahead of print

Online publication date: 29/01/2026

Acceptance date: 30/09/2025

Date deposited: 03/02/2026

ISSN (print): 0262-6667

ISSN (electronic): 2150-3435

Publisher: Taylor & Francis

URL: https://doi.org/10.1080/02626667.2025.2580574

DOI: 10.1080/02626667.2025.2580574

Data Access Statement: The input UAS videos and aDcp data used for these analyses can be found in Engel et al. (2022). The version of KLT-IV used for analysis can be found in Perks (2024). Code used for processing UAS videos data used in the production of figures can be found in Dixey (2025). Planet data are not openly available as Planet is a commercial company; however, access to these data is possible as part of their education and research programme (https://www.planet.com/markets/education-and-research/).

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