Roads at risk: traffic detours from debris flows in southern Norway

Meyer, N. K.; Schwanghart, W.; Korup, O.; Nadim, F.

doi:10.5194/nhess-15-985-2015

Articles | Volume 15, issue 5

https://doi.org/10.5194/nhess-15-985-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/nhess-15-985-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 5

Research article

|

19 May 2015

Research article |

| 19 May 2015

Roads at risk: traffic detours from debris flows in southern Norway

N. K. Meyer, W. Schwanghart, O. Korup, and F. Nadim

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Total article views: 3,611 (including HTML, PDF, and XML)

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PDF: 1,671
XML: 146
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Views and downloads (calculated since 30 Oct 2014)

Month	HTML	PDF	XML	Total
Oct 2014	33	18	0	51
Nov 2014	44	20	1	65
Dec 2014	26	14	2	42
Jan 2015	13	9	2	24
Feb 2015	12	7	2	21
Mar 2015	9	2	0	11
Apr 2015	14	1	0	15
May 2015	55	59	1	115
Jun 2015	47	36	0	83
Jul 2015	39	18	0	57
Aug 2015	12	9	0	21
Sep 2015	6	8	0	14
Oct 2015	16	16	1	33
Nov 2015	28	38	1	67
Dec 2015	7	62	1	70
Jan 2016	31	31	2	64
Feb 2016	26	15	1	42
Mar 2016	6	4	0	10
Apr 2016	13	8	0	21
May 2016	16	10	0	26
Jun 2016	5	4	1	10
Jul 2016	5	2	2	9
Aug 2016	5	5	0	10
Sep 2016	11	11	0	22
Oct 2016	6	3	0	9
Nov 2016	6	4	1	11
Dec 2016	6	6	0	12
Jan 2017	10	6	0	16
Feb 2017	5	4	1	10
Mar 2017	13	6	0	19
Apr 2017	16	11	0	27
May 2017	16	7	6	29
Jun 2017	15	5	1	21
Jul 2017	12	6	0	18
Aug 2017	9	6	1	16
Sep 2017	14	11	0	25
Oct 2017	5	11	1	17
Nov 2017	13	27	1	41
Dec 2017	16	21	2	39
Jan 2018	10	18	2	30
Feb 2018	3	10	0	13
Mar 2018	16	17	2	35
Apr 2018	14	16	0	30
May 2018	10	11	1	22
Jun 2018	11	21	0	32
Jul 2018	14	23	3	40
Aug 2018	18	24	4	46
Sep 2018	21	15	0	36
Oct 2018	17	22	4	43
Nov 2018	15	26	0	41
Dec 2018	12	22	0	34
Jan 2019	8	22	1	31
Feb 2019	7	6	2	15
Mar 2019	10	15	1	26
Apr 2019	3	18	0	21
May 2019	6	5	1	12
Jun 2019	4	18	1	23
Jul 2019	4	17	0	21
Aug 2019	5	16	0	21
Sep 2019	1	10	0	11
Oct 2019	10	21	1	32
Nov 2019	8	17	0	25
Dec 2019	5	6	1	12
Jan 2020	8	9	2	19
Feb 2020	3	7	0	10
Mar 2020	6	5	0	11
Apr 2020	3	6	1	10
May 2020	6	6	0	12
Jun 2020	16	6	0	22
Jul 2020	31	20	17	68
Aug 2020	8	14	10	32
Sep 2020	14	8	0	22
Oct 2020	7	10	0	17
Nov 2020	11	12	2	25
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Jan 2021	20	12	1	33
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Mar 2021	11	8	0	19
Apr 2021	3	6	0	9
May 2021	8	8	0	16
Jun 2021	6	9	0	15
Jul 2021	6	7	1	14
Aug 2021	5	14	0	19
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Oct 2021	3	37	0	40
Nov 2021	10	26	1	37
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Jan 2022	9	13	0	22
Feb 2022	5	4	1	10
Mar 2022	6	15	1	22
Apr 2022	10	6	3	19
May 2022	9	5	3	17
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Jul 2022	6	6	0	12
Aug 2022	12	8	0	20
Sep 2022	8	8	1	17
Oct 2022	10	11	1	22
Nov 2022	6	12	0	18
Dec 2022	10	7	0	17
Jan 2023	9	13	1	23
Feb 2023	16	12	0	28
Mar 2023	18	17	1	36
Apr 2023	3	4	2	9
May 2023	14	12	3	29
Jun 2023	8	7	1	16
Jul 2023	10	5	0	15
Aug 2023	11	7	2	20
Sep 2023	10	12	0	22
Oct 2023	10	18	0	28
Nov 2023	4	0	4
Dec 2023	12	2	1	15
Jan 2024	14	7	1	22
Feb 2024	7	5	0	12
Mar 2024	9	10	2	21
Apr 2024	16	11	5	32
May 2024	22	16	3	41
Jun 2024	51	13	3	67
Jul 2024	18	18	3	39
Aug 2024	18	4	3	25
Sep 2024	8	8	1	17
Oct 2024	20	10	1	31
Nov 2024	12	7	0	19
Dec 2024	9	3	1	13
Jan 2025	8	11	0	19
Feb 2025	26	10	1	37
Mar 2025	22	8	2	32
Apr 2025	17	11	1	29
May 2025	20	5	1	26
Jun 2025	36	16	2	54
Jul 2025	33	15	0	48
Aug 2025	17	10	1	28
Sep 2025	37	10	0	47
Oct 2025	25	19	2	46
Nov 2025	18	12	0	30

Cumulative views and downloads (calculated since 30 Oct 2014)

Month	HTML	PDF	XML	Total
Oct 2014	33	18	0	51
Nov 2014	44	20	1	65
Dec 2014	26	14	2	42
Jan 2015	13	9	2	24
Feb 2015	12	7	2	21
Mar 2015	9	2	0	11
Apr 2015	14	1	0	15
May 2015	55	59	1	115
Jun 2015	47	36	0	83
Jul 2015	39	18	0	57
Aug 2015	12	9	0	21
Sep 2015	6	8	0	14
Oct 2015	16	16	1	33
Nov 2015	28	38	1	67
Dec 2015	7	62	1	70
Jan 2016	31	31	2	64
Feb 2016	26	15	1	42
Mar 2016	6	4	0	10
Apr 2016	13	8	0	21
May 2016	16	10	0	26
Jun 2016	5	4	1	10
Jul 2016	5	2	2	9
Aug 2016	5	5	0	10
Sep 2016	11	11	0	22
Oct 2016	6	3	0	9
Nov 2016	6	4	1	11
Dec 2016	6	6	0	12
Jan 2017	10	6	0	16
Feb 2017	5	4	1	10
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Apr 2017	16	11	0	27
May 2017	16	7	6	29
Jun 2017	15	5	1	21
Jul 2017	12	6	0	18
Aug 2017	9	6	1	16
Sep 2017	14	11	0	25
Oct 2017	5	11	1	17
Nov 2017	13	27	1	41
Dec 2017	16	21	2	39
Jan 2018	10	18	2	30
Feb 2018	3	10	0	13
Mar 2018	16	17	2	35
Apr 2018	14	16	0	30
May 2018	10	11	1	22
Jun 2018	11	21	0	32
Jul 2018	14	23	3	40
Aug 2018	18	24	4	46
Sep 2018	21	15	0	36
Oct 2018	17	22	4	43
Nov 2018	15	26	0	41
Dec 2018	12	22	0	34
Jan 2019	8	22	1	31
Feb 2019	7	6	2	15
Mar 2019	10	15	1	26
Apr 2019	3	18	0	21
May 2019	6	5	1	12
Jun 2019	4	18	1	23
Jul 2019	4	17	0	21
Aug 2019	5	16	0	21
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Sep 2020	14	8	0	22
Oct 2020	7	10	0	17
Nov 2020	11	12	2	25
Dec 2020	11	7	0	18
Jan 2021	20	12	1	33
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Apr 2021	3	6	0	9
May 2021	8	8	0	16
Jun 2021	6	9	0	15
Jul 2021	6	7	1	14
Aug 2021	5	14	0	19
Sep 2021	16	20	1	37
Oct 2021	3	37	0	40
Nov 2021	10	26	1	37
Dec 2021	10	11	0	21
Jan 2022	9	13	0	22
Feb 2022	5	4	1	10
Mar 2022	6	15	1	22
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Aug 2022	12	8	0	20
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Oct 2022	10	11	1	22
Nov 2022	6	12	0	18
Dec 2022	10	7	0	17
Jan 2023	9	13	1	23
Feb 2023	16	12	0	28
Mar 2023	18	17	1	36
Apr 2023	3	4	2	9
May 2023	14	12	3	29
Jun 2023	8	7	1	16
Jul 2023	10	5	0	15
Aug 2023	11	7	2	20
Sep 2023	10	12	0	22
Oct 2023	10	18	0	28
Nov 2023	4	0	4
Dec 2023	12	2	1	15
Jan 2024	14	7	1	22
Feb 2024	7	5	0	12
Mar 2024	9	10	2	21
Apr 2024	16	11	5	32
May 2024	22	16	3	41
Jun 2024	51	13	3	67
Jul 2024	18	18	3	39
Aug 2024	18	4	3	25
Sep 2024	8	8	1	17
Oct 2024	20	10	1	31
Nov 2024	12	7	0	19
Dec 2024	9	3	1	13
Jan 2025	8	11	0	19
Feb 2025	26	10	1	37
Mar 2025	22	8	2	32
Apr 2025	17	11	1	29
May 2025	20	5	1	26
Jun 2025	36	16	2	54
Jul 2025	33	15	0	48
Aug 2025	17	10	1	28
Sep 2025	37	10	0	47
Oct 2025	25	19	2	46
Nov 2025	18	12	0	30

Latest update: 17 Nov 2025

Short summary

In the past decades the importance of and reliance on all kinds of transport networks has grown extensively making them more vulnerable to any kind of hazard. The linear structure of road networks is especially sensitive to debris flows, a process frequently occurring in the mountainous area of Norway. The paper quantifies the functional risk associated with these processes. The results reveal that the costs related to route closures are strongly related to the information status of drivers.