Articles | Volume 20, issue 2
Nat. Hazards Earth Syst. Sci., 20, 673–694, 2020
https://doi.org/10.5194/nhess-20-673-2020
Nat. Hazards Earth Syst. Sci., 20, 673–694, 2020
https://doi.org/10.5194/nhess-20-673-2020

Research article 27 Feb 2020

Research article | 27 Feb 2020

High-accuracy coastal flood mapping for Norway using lidar data

Kristian Breili et al.

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Cited articles

Almås, A.-J. and Hygen, H. O.: Impacts of sea level rise towards 2100 on buildings in Norway, Build. Res. Inf., 40, 245–259, https://doi.org/10.1080/09613218.2012.690953, 2012. a, b, c, d, e, f
Aunan, K. and Romstad, B.: Strong coasts and vulnerable communities: Potential implications of accelerated sea-level rise for Norway, J. Coast. Res., 24, 403–409, https://doi.org/10.2112/07A-0013.1, 2008. a, b, c
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Breili, K., Simpson, M. J. R., and Nilsen, J. E. Ø.: Observed Sea-Level Changes along the Norwegian Coast, J. Mar. Sci. Eng., 5, 29, https://doi.org/10.3390/jmse5030029, 2017. a
Church, J. A., Clark, P. U., Cazenave, A., Gregory, J. M., Jevrejeva, S., Levermann, A., Merrifield, M. A., Milne, G. A., Nerem, R. S., Nunn, P. D., Payne, A. J., Pfeffer, W. T., Stammer, D., and Unnikrishnan, A. S.: Sea level change, in: Climate Change 2013: The Physical Science Basis, Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, chap. 13, edited by: Stocker, T. F., Qin, D., Plattner, G. K., Tignor, M., Allen, S. K., Boschung, J., Nauels, A., Xia, Y., Bex, V., and Midgley, P. M., Cambridge University Press, ISBN 978-1-107-05799-1, 1137–1216, 2013. a, b
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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.
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