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Assessment of severity of the extreme River Tyne flood in January 2005 using gauged and historical information

Lookup NU author(s): David Archer, Dr Kirsty Harwood

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Abstract

The extreme Tyne (Northumbria, UK) flood in January 2005 provided the opportunity to reassess flood risk and to link peak discharge and flooded area to probability of occurrence. However, in spite of the UK guidance on flood risk assessment given in the Flood Estimation Handbook (FEH), there is still considerable subjectivity in deriving risk estimates. A particular problem for the Tyne arises from the effects of river bed gravel extraction both on the reliability of gauged discharges and in the interpretation of historical level data. In addition, attenuation and drawdown of Kielder Water has reduced downstream flood risk since 1982. Estimates from single-site, pooled estimates and historical information are compared. It is concluded that the return period of the observed flood was around 71 years on the lower Tyne and was probably the largest flood since 1815.

Publication metadata

Author(s): Archer DR, Leesch F, Harwood K

Publication type: Article

Publication status: Published

Journal: Hydrological Sciences Journal

Year: 2007

Volume: 52

Issue: 5

Pages: 992-1003

ISSN (print): 0262-6667

ISSN (electronic): 2150-3435

Publisher: Taylor & Francis Group

URL: http://dx.doi.org/10.1623/hysj.52.5.992

DOI: 10.1623/hysj.52.5.992

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