Heterogeneity measures in hydrological frequency analysis: review and new developments

Requena, Ana I.; Chebana, Fateh; Ouarda, Taha B. M. J.

doi:10.5194/hess-21-1651-2017

Articles | Volume 21, issue 3

https://doi.org/10.5194/hess-21-1651-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-21-1651-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 21, issue 3

Research article

|

21 Mar 2017

Research article |

| 21 Mar 2017

Heterogeneity measures in hydrological frequency analysis: review and new developments

Ana I. Requena, Fateh Chebana, and Taha B. M. J. Ouarda

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Views and downloads (calculated since 05 Apr 2016)

Month	HTML	PDF	XML	Total
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May 2016	13	8	1	22
Jun 2016	12	5	0	17
Jul 2016	19	9	2	30
Aug 2016	11	2	0	13
Sep 2016	5	4	0	9
Oct 2016	1	2	9	12
Nov 2016	6	2	8	16
Dec 2016	1	4	0	5
Jan 2017	3	4	0	7
Feb 2017	5	1	0	6
Mar 2017	320	87	10	417
Apr 2017	312	76	9	397
May 2017	42	41	0	83
Jun 2017	33	16	1	50
Jul 2017	18	18	0	36
Aug 2017	13	14	0	27
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Jan 2018	6	9	0	15
Feb 2018	15	9	0	24
Mar 2018	13	13	0	26
Apr 2018	10	15	0	25
May 2018	10	9	0	19
Jun 2018	7	8	1	16
Jul 2018	7	11	0	18
Aug 2018	17	17	0	34
Sep 2018	8	14	0	22
Oct 2018	7	23	2	32
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Feb 2019	7	16	0	23
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Apr 2019	29	7	0	36
May 2019	31	10	0	41
Jun 2019	26	18	0	44
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Aug 2019	33	12	0	45
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Mar 2020	28	11	0	39
Apr 2020	26	13	0	39
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Jun 2020	29	18	0	47
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Oct 2020	24	12	2	38
Nov 2020	32	7	1	40
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Oct 2021	31	35	0	66
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Jan 2022	38	21	0	59
Feb 2022	41	12	1	54
Mar 2022	38	17	0	55
Apr 2022	33	8	0	41
May 2022	34	11	1	46
Jun 2022	30	12	0	42
Jul 2022	34	6	0	40
Aug 2022	41	9	0	50
Sep 2022	36	4	1	41
Oct 2022	41	18	0	59
Nov 2022	38	5	1	44
Dec 2022	37	4	1	42
Jan 2023	33	13	2	48
Feb 2023	11	5	0	16
Mar 2023	14	5	0	19
Apr 2023	27	3	0	30
May 2023	20	7	0	27
Jun 2023	9	7	2	18
Jul 2023	9	9	3	21
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Jan 2024	12	12	1	25
Feb 2024	6	6	2	14
Mar 2024	11	16	2	29
Apr 2024	11	7	4	22
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Jun 2024	18	3	3	24
Jul 2024	15	6	6	27
Aug 2024	17	3	2	22
Sep 2024	13	7	0	20
Oct 2024	8	10	1	19
Nov 2024	11	5	0	16
Dec 2024	15	6	2	23
Jan 2025	23	6	0	29
Feb 2025	24	10	0	34
Mar 2025	20	8	1	29
Apr 2025	11	14	1	26
May 2025	19	7	1	27
Jun 2025	46	12	4	62
Jul 2025	17	20	2	39
Aug 2025	14	9	1	24
Sep 2025	43	18	1	62
Oct 2025	19	26	1	46
Nov 2025	33	14	0	47

Cumulative views and downloads (calculated since 05 Apr 2016)

Month	HTML	PDF	XML	Total
Apr 2016	114	45	0	159
May 2016	13	8	1	22
Jun 2016	12	5	0	17
Jul 2016	19	9	2	30
Aug 2016	11	2	0	13
Sep 2016	5	4	0	9
Oct 2016	1	2	9	12
Nov 2016	6	2	8	16
Dec 2016	1	4	0	5
Jan 2017	3	4	0	7
Feb 2017	5	1	0	6
Mar 2017	320	87	10	417
Apr 2017	312	76	9	397
May 2017	42	41	0	83
Jun 2017	33	16	1	50
Jul 2017	18	18	0	36
Aug 2017	13	14	0	27
Sep 2017	22	12	0	34
Oct 2017	8	8	0	16
Nov 2017	8	7	0	15
Dec 2017	9	14	0	23
Jan 2018	6	9	0	15
Feb 2018	15	9	0	24
Mar 2018	13	13	0	26
Apr 2018	10	15	0	25
May 2018	10	9	0	19
Jun 2018	7	8	1	16
Jul 2018	7	11	0	18
Aug 2018	17	17	0	34
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Oct 2018	7	23	2	32
Nov 2018	7	15	1	23
Dec 2018	11	15	0	26
Jan 2019	6	6	0	12
Feb 2019	7	16	0	23
Mar 2019	32	11	0	43
Apr 2019	29	7	0	36
May 2019	31	10	0	41
Jun 2019	26	18	0	44
Jul 2019	35	11	0	46
Aug 2019	33	12	0	45
Sep 2019	27	18	0	45
Oct 2019	31	13	1	45
Nov 2019	30	12	0	42
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Apr 2020	26	13	0	39
May 2020	29	4	0	33
Jun 2020	29	18	0	47
Jul 2020	25	19	3	47
Aug 2020	31	12	4	47
Sep 2020	40	10	1	51
Oct 2020	24	12	2	38
Nov 2020	32	7	1	40
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Feb 2021	37	10	0	47
Mar 2021	33	12	0	45
Apr 2021	32	14	1	47
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Jun 2021	33	10	0	43
Jul 2021	36	14	0	50
Aug 2021	34	5	0	39
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Nov 2021	38	25	0	63
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Feb 2022	41	12	1	54
Mar 2022	38	17	0	55
Apr 2022	33	8	0	41
May 2022	34	11	1	46
Jun 2022	30	12	0	42
Jul 2022	34	6	0	40
Aug 2022	41	9	0	50
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Oct 2022	41	18	0	59
Nov 2022	38	5	1	44
Dec 2022	37	4	1	42
Jan 2023	33	13	2	48
Feb 2023	11	5	0	16
Mar 2023	14	5	0	19
Apr 2023	27	3	0	30
May 2023	20	7	0	27
Jun 2023	9	7	2	18
Jul 2023	9	9	3	21
Aug 2023	9	7	2	18
Sep 2023	7	10	1	18
Oct 2023	15	5	1	21
Nov 2023	6	4	1	11
Dec 2023	12	5	1	18
Jan 2024	12	12	1	25
Feb 2024	6	6	2	14
Mar 2024	11	16	2	29
Apr 2024	11	7	4	22
May 2024	11	7	4	22
Jun 2024	18	3	3	24
Jul 2024	15	6	6	27
Aug 2024	17	3	2	22
Sep 2024	13	7	0	20
Oct 2024	8	10	1	19
Nov 2024	11	5	0	16
Dec 2024	15	6	2	23
Jan 2025	23	6	0	29
Feb 2025	24	10	0	34
Mar 2025	20	8	1	29
Apr 2025	11	14	1	26
May 2025	19	7	1	27
Jun 2025	46	12	4	62
Jul 2025	17	20	2	39
Aug 2025	14	9	1	24
Sep 2025	43	18	1	62
Oct 2025	19	26	1	46
Nov 2025	33	14	0	47

Latest update: 20 Nov 2025

Short summary

The notion of a measure to quantify the degree of heterogeneity of a region from which information is required to estimate the magnitude of events at ungauged sites is introduced. These heterogeneity measures are needed to compare regions, evaluate the impact of particular sites, and rank the performance of delineating methods. A framework to define and assess their desirable properties is proposed. Several heterogeneity measures are presented and/or developed to be assessed, giving guidelines.