Calibration of hydrological models for ecologically relevant streamflow predictions: a trade-off between fitting well to data and estimating consistent parameter sets?

Hallouin, Thibault; Bruen, Michael; O'Loughlin, Fiachra E.

doi:10.5194/hess-24-1031-2020

Articles | Volume 24, issue 3

https://doi.org/10.5194/hess-24-1031-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/hess-24-1031-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 24, issue 3

Research article

|

04 Mar 2020

Research article |

| 04 Mar 2020

Calibration of hydrological models for ecologically relevant streamflow predictions: a trade-off between fitting well to data and estimating consistent parameter sets?

Thibault Hallouin, Michael Bruen, and Fiachra E. O'Loughlin

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Cumulative views and downloads (calculated since 06 May 2019)

Month	HTML	PDF	XML	Total
May 2019	208	87	1	296
Jun 2019	45	16	1	62
Jul 2019	19	15	1	35
Aug 2019	16	19	0	35
Sep 2019	113	7	0	120
Oct 2019	97	10	1	108
Nov 2019	155	18	0	173
Dec 2019	148	6	0	154
Jan 2020	104	9	0	113
Feb 2020	25	5	1	31
Mar 2020	303	96	4	403
Apr 2020	63	24	1	88
May 2020	34	16	0	50
Jun 2020	43	21	0	64
Jul 2020	53	78	2	133
Aug 2020	96	16	2	114
Sep 2020	79	12	0	91
Oct 2020	82	144	1	227
Nov 2020	91	51	0	142
Dec 2020	82	18	0	100
Jan 2021	83	48	0	131
Feb 2021	75	180	0	255
Mar 2021	83	424	1	508
Apr 2021	85	17	1	103
May 2021	84	14	0	98
Jun 2021	70	12	0	82
Jul 2021	77	11	0	88
Aug 2021	89	13	0	102
Sep 2021	88	16	1	105
Oct 2021	86	31	0	117
Nov 2021	93	34	1	128
Dec 2021	83	6	1	90
Jan 2022	79	12	0	91
Feb 2022	69	7	1	77
Mar 2022	72	10	0	82
Apr 2022	61	4	0	65
May 2022	68	7	0	75
Jun 2022	92	10	2	104
Jul 2022	84	9	0	93
Aug 2022	172	12	0	184
Sep 2022	52	9	1	62
Oct 2022	58	7	2	67
Nov 2022	70	18	0	88
Dec 2022	54	5	0	59
Jan 2023	60	14	1	75
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Apr 2023	52	7	0	59
May 2023	48	14	0	62
Jun 2023	48	10	1	59
Jul 2023	50	15	4	69
Aug 2023	60	18	2	80
Sep 2023	53	12	0	65
Oct 2023	63	15	1	79
Nov 2023	36	9	3	48
Dec 2023	63	9	1	73
Jan 2024	42	11	0	53
Feb 2024	47	14	0	61
Mar 2024	51	22	3	76
Apr 2024	51	8	1	60
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Jun 2024	63	15	2	80
Jul 2024	63	7	3	73
Aug 2024	96	5	3	104
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Oct 2024	97	6	2	105
Nov 2024	94	4	2	100
Dec 2024	80	7	2	89
Jan 2025	90	8	1	99
Feb 2025	45	8	2	55
Mar 2025	43	5	1	49
Apr 2025	86	13	3	102
May 2025	57	7	0	64
Jun 2025	70	14	2	86
Jul 2025	46	27	3	76
Aug 2025	76	15	5	96
Sep 2025	193	15	3	211
Oct 2025	68	26	1	95
Nov 2025	78	28	4	110
Dec 2025	60	30	3	93
Jan 2026	157	39	12	208
Feb 2026	398	16	2	416
Mar 2026	69	19	4	92

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Short summary

A hydrological model was used to compare different parameterisation strategies in view of predicting ecologically relevant streamflow indices in 33 Irish catchments. Compared for 14 different periods, a strategy fitting simulated and observed streamflow indices yielded better performance than fitting simulated and observed streamflow, but it also yielded a less consistent ensemble of parameter sets, suggesting that these indices may not be hydrologically relevant for model parameterisation.


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