High-accuracy coastal flood mapping for Norway using lidar data

Breili, Kristian; Simpson, Matthew James Ross; Klokkervold, Erlend; Roaldsdotter Ravndal, Oda

doi:https://doi.org/10.5194/nhess-20-673-2020

Articles | Volume 20, issue 2

https://doi.org/10.5194/nhess-20-673-2020

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

https://doi.org/10.5194/nhess-20-673-2020

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

Articles | Volume 20, issue 2

Research article

|

27 Feb 2020

Research article |

| 27 Feb 2020

High-accuracy coastal flood mapping for Norway using lidar data

Kristian Breili, Matthew James Ross Simpson, Erlend Klokkervold, and Oda Roaldsdotter Ravndal

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Final revised paper (published on 27 Feb 2020)
Preprint (discussion started on 12 Aug 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Review for “High accuracy coastal flood mapping for Norway using LiDAR data” – September 2019', Jordan Eamer, 23 Sep 2019
- AC1: 'Reply to reviewer 1', Kristian Breili, 21 Nov 2019
RC2: 'Review Comments', Dean Gesch, 03 Oct 2019
- AC2: 'Reply to reviewer 2', Kristian Breili, 21 Nov 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (review by editor) (20 Dec 2019) by Paolo Tarolli

AR by Kristian Breili on behalf of the Authors (23 Dec 2019) Author's response

ED: Publish as is (20 Jan 2020) by Paolo Tarolli

AR by Kristian Breili on behalf of the Authors (22 Jan 2020)

Short summary

Using accurate elevation data, we generate coastal flooding maps for Norway. Although Norway is at low risk from sea level rise, parts of the coast are potentially vulnerable to flooding. Nationwide we identify an area of 400 km², 105 000 buildings, and 510 km of roads that are at risk of flooding from a storm surge at present (these numbers increase to 610 km², 137 000, and 1340 km with projected sea level rise to 2090). The maps aid coastal management and climate adaption in Norway.