Coastal vulnerability index Per Danielsson per danielssonswedgeo se

Coastal vulnerability index Per Danielsson per. danielsson@swedgeo. se

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Multi Scale CVI • Multi Scale CVI, A Cooper and S. Mc. Laughlin, (University of Ulster, N. Ireland) • Work in different scales – National level – Regional level – Local level • Different parameters at different scale 7

Multi Scale CVI 8

Multi Scale CVI Vulnerability = f coastal characteristics + coastal forcing + socio-economic 9

Multi Scale CVI Coastal Characteristics CC CVI • • • Geology Topography Distance to the beach • • Ongoing erosion Sea defence • • Housing Industry Roads Railways Cultural heritage Recreation Conservation status Coastal Forcing CF Socioeconomic SE 10

Value for Coastal Characteristics, CC Parameter/Värde Geology Topography /elevation (m) Distance to the beach Ongoing erosion Sea defence 1 2 3 Solid material or Medium sensitivity for Easily erodible material. very little sensitivity erosion. (medium and fine sand, for erosion. (gravel, coarse sand, silt and alluvium) (solid rock, silty moraine, clay silt, moraine, hard clay) silty clay and peat) >3 MSL. 1 -3 MSL 0 -1 MSL >200 m 50 – 200 m 0 – 50 m Presented as a line on the map 11

Parameter: CC 1 - geology 12

Arc. GIS Model Builder 13

Sub-indices CC och SE 14

CVI-map 15

Interactive Web Map 16