Technical note: Common characteristics of directional spreading–steepness joint distribution  in freak wave events

Liu, Shouhua; Li, Yizhen; Yue, Xinyang

doi:10.5194/os-12-781-2016

Articles | Volume 12, issue 3

https://doi.org/10.5194/os-12-781-2016

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

https://doi.org/10.5194/os-12-781-2016

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

Articles | Volume 12, issue 3

Technical note

|

09 Jun 2016

Technical note |

| 09 Jun 2016

Technical note: Common characteristics of directional spreading–steepness joint distribution in freak wave events

Shouhua Liu, Yizhen Li, and Xinyang Yue

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Views and downloads (calculated since 14 Jan 2016)

Month	HTML	PDF	XML	Total
Jan 2016	50	12	3	65
Feb 2016	42	11	1	54
Mar 2016	32	9	0	41
Apr 2016	22	9	2	33
May 2016	12	5	0	17
Jun 2016	43	19	2	64
Jul 2016	24	11	2	37
Aug 2016	15	6	0	21
Sep 2016	9	3	0	12
Oct 2016	4	1	0	5
Nov 2016	6	3	0	9
Dec 2016	3	3	1	7
Jan 2017	11	2	0	13
Feb 2017	4	2	0	6
Mar 2017	15	7	0	22
Apr 2017	20	8	0	28
May 2017	19	15	0	34
Jun 2017	18	1	0	19
Jul 2017	7	3	0	10
Aug 2017	1	1	0	2
Sep 2017	7	6	0	13
Oct 2017	5	6	0	11
Nov 2017	5	6	0	11
Dec 2017	7	6	0	13
Jan 2018	5	7	0	12
Feb 2018	7	6	1	14
Mar 2018	7	11	1	19
Apr 2018	7	8	0	15
May 2018	5	17	1	23
Jun 2018	5	5	0	10
Jul 2018	5	7	0	12
Aug 2018	8	4	0	12
Sep 2018	5	9	0	14
Oct 2018	6	11	0	17
Nov 2018	12	6	0	18
Dec 2018	8	5	0	13
Jan 2019	6	7	0	13
Feb 2019	6	8	0	14
Mar 2019	4	10	0	14
Apr 2019	7	6	0	13
May 2019	5	9	0	14
Jun 2019	5	9	0	14
Jul 2019	10	15	0	25
Aug 2019	6	9	0	15
Sep 2019	9	11	0	20
Oct 2019	6	7	0	13
Nov 2019	7	3	0	10
Dec 2019	6	4	0	10
Jan 2020	12	12	2	26
Feb 2020	9	4	0	13
Mar 2020	7	9	0	16
Apr 2020	9	6	0	15
May 2020	13	6	0	19
Jun 2020	20	20	0	40
Jul 2020	65	83	34	182
Aug 2020	7	8	3	18
Sep 2020	6	7	0	13
Oct 2020	7	11	0	18
Nov 2020	5	0	5
Dec 2020	7	11	0	18
Jan 2021	16	15	0	31
Feb 2021	8	6	0	14
Mar 2021	11	3	1	15
Apr 2021	6	5	0	11
May 2021	9	3	1	13
Jun 2021	4	5	0	9
Jul 2021	5	2	0	7
Aug 2021	4	7	0	11
Sep 2021	10	11	1	22
Oct 2021	5	39	0	44
Nov 2021	8	25	2	35
Dec 2021	12	11	1	24
Jan 2022	6	12	0	18
Feb 2022	11	3	2	16
Mar 2022	7	7	0	14
Apr 2022	6	7	1	14
May 2022	5	4	2	11
Jun 2022	1	2	0	3
Jul 2022	7	4	0	11
Aug 2022	4	4	0	8
Sep 2022	3	4	2	9
Oct 2022	12	10	2	24
Nov 2022	10	5	1	16
Dec 2022	8	6	0	14
Jan 2023	4	8	1	13
Feb 2023	5	7	1	13
Mar 2023	15	10	0	25
Apr 2023	3	2	0	5
May 2023	20	5	1	26
Jun 2023	26	6	0	32
Jul 2023	8	3	0	11
Aug 2023	6	5	1	12
Sep 2023	10	3	1	14
Oct 2023	9	5	0	14
Nov 2023	4	0	4
Dec 2023	9	4	1	14
Jan 2024	5	5	0	10
Feb 2024	4	6	4	14
Mar 2024	5	7	1	13
Apr 2024	5	6	2	13
May 2024	5	14	2	21
Jun 2024	8	4	3	15
Jul 2024	7	5	3	15
Aug 2024	17	7	1	25
Sep 2024	10	7	2	19
Oct 2024	11	15	1	27
Nov 2024	9	3	0	12
Dec 2024	5	4	1	10
Jan 2025	4	2	0	6
Feb 2025	7	16	3	26
Mar 2025	8	6	2	16
Apr 2025	9	9	0	18
May 2025	12	6	1	19
Jun 2025	39	15	2	56
Jul 2025	8	13	3	24
Aug 2025	12	9	2	23
Sep 2025	21	14	1	36
Oct 2025	23	15	2	40
Nov 2025	23	14	3	40
Dec 2025	16	20	5	41
Jan 2026	20	16	4	40

Cumulative views and downloads (calculated since 14 Jan 2016)

Month	HTML	PDF	XML	Total
Jan 2016	50	12	3	65
Feb 2016	42	11	1	54
Mar 2016	32	9	0	41
Apr 2016	22	9	2	33
May 2016	12	5	0	17
Jun 2016	43	19	2	64
Jul 2016	24	11	2	37
Aug 2016	15	6	0	21
Sep 2016	9	3	0	12
Oct 2016	4	1	0	5
Nov 2016	6	3	0	9
Dec 2016	3	3	1	7
Jan 2017	11	2	0	13
Feb 2017	4	2	0	6
Mar 2017	15	7	0	22
Apr 2017	20	8	0	28
May 2017	19	15	0	34
Jun 2017	18	1	0	19
Jul 2017	7	3	0	10
Aug 2017	1	1	0	2
Sep 2017	7	6	0	13
Oct 2017	5	6	0	11
Nov 2017	5	6	0	11
Dec 2017	7	6	0	13
Jan 2018	5	7	0	12
Feb 2018	7	6	1	14
Mar 2018	7	11	1	19
Apr 2018	7	8	0	15
May 2018	5	17	1	23
Jun 2018	5	5	0	10
Jul 2018	5	7	0	12
Aug 2018	8	4	0	12
Sep 2018	5	9	0	14
Oct 2018	6	11	0	17
Nov 2018	12	6	0	18
Dec 2018	8	5	0	13
Jan 2019	6	7	0	13
Feb 2019	6	8	0	14
Mar 2019	4	10	0	14
Apr 2019	7	6	0	13
May 2019	5	9	0	14
Jun 2019	5	9	0	14
Jul 2019	10	15	0	25
Aug 2019	6	9	0	15
Sep 2019	9	11	0	20
Oct 2019	6	7	0	13
Nov 2019	7	3	0	10
Dec 2019	6	4	0	10
Jan 2020	12	12	2	26
Feb 2020	9	4	0	13
Mar 2020	7	9	0	16
Apr 2020	9	6	0	15
May 2020	13	6	0	19
Jun 2020	20	20	0	40
Jul 2020	65	83	34	182
Aug 2020	7	8	3	18
Sep 2020	6	7	0	13
Oct 2020	7	11	0	18
Nov 2020	5	0	5
Dec 2020	7	11	0	18
Jan 2021	16	15	0	31
Feb 2021	8	6	0	14
Mar 2021	11	3	1	15
Apr 2021	6	5	0	11
May 2021	9	3	1	13
Jun 2021	4	5	0	9
Jul 2021	5	2	0	7
Aug 2021	4	7	0	11
Sep 2021	10	11	1	22
Oct 2021	5	39	0	44
Nov 2021	8	25	2	35
Dec 2021	12	11	1	24
Jan 2022	6	12	0	18
Feb 2022	11	3	2	16
Mar 2022	7	7	0	14
Apr 2022	6	7	1	14
May 2022	5	4	2	11
Jun 2022	1	2	0	3
Jul 2022	7	4	0	11
Aug 2022	4	4	0	8
Sep 2022	3	4	2	9
Oct 2022	12	10	2	24
Nov 2022	10	5	1	16
Dec 2022	8	6	0	14
Jan 2023	4	8	1	13
Feb 2023	5	7	1	13
Mar 2023	15	10	0	25
Apr 2023	3	2	0	5
May 2023	20	5	1	26
Jun 2023	26	6	0	32
Jul 2023	8	3	0	11
Aug 2023	6	5	1	12
Sep 2023	10	3	1	14
Oct 2023	9	5	0	14
Nov 2023	4	0	4
Dec 2023	9	4	1	14
Jan 2024	5	5	0	10
Feb 2024	4	6	4	14
Mar 2024	5	7	1	13
Apr 2024	5	6	2	13
May 2024	5	14	2	21
Jun 2024	8	4	3	15
Jul 2024	7	5	3	15
Aug 2024	17	7	1	25
Sep 2024	10	7	2	19
Oct 2024	11	15	1	27
Nov 2024	9	3	0	12
Dec 2024	5	4	1	10
Jan 2025	4	2	0	6
Feb 2025	7	16	3	26
Mar 2025	8	6	2	16
Apr 2025	9	9	0	18
May 2025	12	6	1	19
Jun 2025	39	15	2	56
Jul 2025	8	13	3	24
Aug 2025	12	9	2	23
Sep 2025	21	14	1	36
Oct 2025	23	15	2	40
Nov 2025	23	14	3	40
Dec 2025	16	20	5	41
Jan 2026	20	16	4	40

Latest update: 28 Jan 2026

Short summary

Common visual features were found in the joint distribution of directional spreading--steepness when freak waves occurred among seven “freakish” sea states. It's interesting that the visual features look similar. The common visual features supply an important cue for the theoretical and experimental research of freak waves.