Change-point analysis of hydrological time series using grey relational method

This paper establishes a grey relational method to test for change-points in hydrological data and illustrates its applications to the river net area of Shunde in China. A new concept, the translational relational degree, has also been introduced. We propose three translational relational degree for...

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Bibliographic Details
Published in:Journal of hydrology (Amsterdam) 2006-06, Vol.324 (1), p.323-338
Main Authors: Wong, H., Hu, B.Q., Ip, W.C., Xia, J.
Format: Article
Language:English
Subjects:
Change-point analysis
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Exact sciences and technology
Grey relational method
hydrologic models
Hydrological time series
Hydrology
Hydrology. Hydrogeology
mathematical models
Natural hazards: prediction, damages, etc
simulation models
time series analysis
Translational relational degree
watershed hydrology
watersheds
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Summary:This paper establishes a grey relational method to test for change-points in hydrological data and illustrates its applications to the river net area of Shunde in China. A new concept, the translational relational degree, has also been introduced. We propose three translational relational degree formulae, which have been shown to better reflect the geometric proximity among sequences than existing grey relational degree formulae. These formulae produce consistent results leading to similar conclusions.
ISSN:0022-1694
1879-2707
DOI:10.1016/j.jhydrol.2005.10.007