Delineation of homogenous regions using hydrological variables predicted by projection pursuit regression

Durocher, Martin; Chebana, Fateh; Ouarda, Taha B. M. J.

doi:10.5194/hess-20-4717-2016

Articles | Volume 20, issue 12

https://doi.org/10.5194/hess-20-4717-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-20-4717-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 20, issue 12

Research article

|

29 Nov 2016

Research article |

| 29 Nov 2016

Delineation of homogenous regions using hydrological variables predicted by projection pursuit regression

Martin Durocher, Fateh Chebana, and Taha B. M. J. Ouarda

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Cumulative views and downloads (calculated since 31 Mar 2016)

Month	HTML	PDF	XML	Total
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May 2016	27	7	0	34
Jun 2016	23	5	0	28
Jul 2016	8	2	0	10
Aug 2016	10	2	0	12
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Feb 2017	18	7	1	26
Mar 2017	34	7	5	46
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Latest update: 17 Nov 2025

Short summary

For regional flood frequency, it is challenging to identify regions with similar hydrological properties. Therefore, previous works have mainly proposed to use regions with similar physiographical properties. This research proposes instead to nonlinearly predict the desired hydrological properties before using them for delineation. The presented method is applied to a case study in Québec, Canada, and leads to hydrologically relevant regions, while enhancing predictions made inside them.