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Spatio-temporal propagation of North Atlantic Oscillation (NAO) rainfall deviations to streamflow in British catchments

West, Harry; Quinn, Nevil; Horswell, Michael

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Authors

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Dr Harry West Harry.West@uwe.ac.uk
Senior Lecturer in Geography & Environmental Management

Michael Horswell Michael.Horswell@uwe.ac.uk
Senior Lecturer in GIS & Spatial Analysis



Abstract

The North Atlantic Oscillation (NAO) teleconnection is often cited as the leading mode of climate variability in Great Britain. The NAO has been found to produce significant rainfall deviations that vary in space and time. This study sought to analyse the effect of the NAO at the catchment scale across a large number of catchments in Great Britain across a long study period (1900–2015). We first quantify the effect of the NAO on rainfall and streamflow at a monthly scale, revealing distinctive spatio-temporal patterns under positive and negative phases of the NAO. Through a comparison of correlation analyses we also explore whether catchment characteristics moderate the propagation of NAO–rainfall deviations to streamflow, and classify catchments based on their resilience and susceptibility to NAO–rainfall deviations. In summary, our analyses combined contribute to an improved understanding of the hydrometeorological impact of the NAO in British catchments.

Citation

West, H., Quinn, N., & Horswell, M. (2022). Spatio-temporal propagation of North Atlantic Oscillation (NAO) rainfall deviations to streamflow in British catchments. Hydrological Sciences Journal, 67(5), 676-688. https://doi.org/10.1080/02626667.2022.2038791

Journal Article Type Article
Acceptance Date Jan 10, 2022
Online Publication Date Mar 3, 2022
Publication Date Apr 30, 2022
Deposit Date Jan 27, 2022
Publicly Available Date Mar 4, 2023
Journal Hydrological Sciences Journal
Print ISSN 0262-6667
Electronic ISSN 2150-3435
Publisher Taylor & Francis
Peer Reviewed Peer Reviewed
Volume 67
Issue 5
Pages 676-688
DOI https://doi.org/10.1080/02626667.2022.2038791
Public URL https://uwe-repository.worktribe.com/output/8688487

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Spatio-Temporal Propagation of North Atlantic Oscillation (NAO) Rainfall Deviations to Streamflow in British Catchments (468 Kb)
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Copyright Statement
This is an Accepted Manuscript version of the following article, accepted for publication in Hydrological Sciences Journal. West, H., Quinn, N., & Horswell, M. (2022). Spatio-temporal propagation of North Atlantic Oscillation (NAO) rainfall deviations to streamflow in British catchments. Hydrological Sciences Journal, 67(5), 676-688. It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited


Spatio-Temporal Propagation of North Atlantic Oscillation (NAO) Rainfall Deviations to Streamflow in British Catchments (74 Kb)
Document

Licence
http://creativecommons.org/licenses/by-nc/4.0/

Publisher Licence URL
http://creativecommons.org/licenses/by-nc/4.0/

Copyright Statement
This is an Accepted Manuscript version of the following article, accepted for publication in Hydrological Sciences Journal. West, H., Quinn, N., & Horswell, M. (2022). Spatio-temporal propagation of North Atlantic Oscillation (NAO) rainfall deviations to streamflow in British catchments. Hydrological Sciences Journal, 67(5), 676-688. It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited







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