Articles | Volume 19, issue 5
https://doi.org/10.5194/hess-19-2395-2015
https://doi.org/10.5194/hess-19-2395-2015
Research article
 | 
20 May 2015
Research article |  | 20 May 2015

Using variograms to detect and attribute hydrological change

A. Chiverton, J. Hannaford, I. P. Holman, R. Corstanje, C. Prudhomme, T. M. Hess, and J. P. Bloomfield

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Cited articles

Beaulieu, C., Chen, J., and Sarmiento, J. L.: Change-point analysis as a tool to detect abrupt climate variations, Philos. T. Roy. Soc. A, 1962, 1228–1249, 2012.
Bradford, R. and Marsh, T.: Defining a network of benchmark catchments for the UK, Water Maritime Eng., 156, 109–116, 2003.
Burn, D. H., Hannaford, J., Hodgkins, G. A., Whitfield, P. H., Thorne, R., and Marsh, T.: Reference hydrologic networks II. Using reference hydrologic networks to assess climate-driven changes in streamflow, Hydrol. Sci. J., 57, 1580–1593, https://doi.org/10.1080/02626667.2012.728705, 2012.
Burnham, K. P. and Anderson, D. R.: Model selection and multimodel inference: a practical informatic-theoretic approach, Springer Verlag, New York, 2002.
CEH: Hydrological Review of 2001, Centre for Ecology and Hydrology, Oxfordshire, UK, 2002.
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Short summary
Current hydrological change detection methods are subject to a host of limitations. This paper develops a new method, temporally shifting variograms (TSVs), which characterises variability in the river flow regime using several parameters, changes in which can then be attributed to precipitation characteristics. We demonstrate the use of the method through application to 94 UK catchments, showing that periods of extremes as well as more subtle changes can be detected.