Table 2 Vulnerability indicators and data sources used in the CVI calculation. Di corresponds to the different data used to derive the indicators, as numbered in Fig. 6)

From: A global assessment of coastal vulnerability and dominant contributors

Indicator

Data used

Data Sources

References

Spatial resolution

Period of data

Coastal slope/ coastal relief

• Coastal slope (D1)

• Coastal relief (D2)

Global Coastal Characteristics (GCC) dataset was calculated based on Copernicus DEM

Athanasiou et al. (2024)45

1 km (alongshore)

various

Geomorphology

• Coastline type (D6)

Global coastal transects types classification dataset

Hulskamp et al. (2023)55

500 m (alongshore)

various

• Coastal slope (D1)

Global Coastal Characteristics (GCC) dataset

Athanasiou et al. (2024)45

1 km (alongshore)

various

• Coastal relief (D2)

• Presence of mangroves/salt marsh (D3)

• Landcover type (D4)

• Geology type (D10)

Global Lithological Map (GLiM)

Hartmann and Moosdorf (2012)46

0.5°/ 54 km (grid)

various

• Coastal typology type (D9)

Coastal estuarine typologies

Dürr et al. (2011)43

0.5°/ 54 km (grid)

various

• Presence of deltas (D7)

Global deltas dataset

Caldwell et al. (2019)59

 

various

• Presence of estuaries (D8)

Global estuaries dataset

Alder (2003)60

 

various

Geology

• Geology type (D10)

Global Lithological Map (GLiM)

Hartmann and Moosdorf (2012)46

0.5°/ 54 km (grid)

various

Mean wave height/ maximum wave height/ wave climate

• Significant wave height (Hs) (D11)

ERA5 reanalysis data

Hersbach et al. (2023)47

0.25°/ 30 km (grid)

1987 – 2016

Mean tidal range

• Mean higher high water (MHHW) (D5)

• Mean lower low water (MLLW) (D5)

Global Coastal Characteristics (GCC) data calculated based on GTSMv3.0

Athanasiou et al. (2024)45

1 km (alongshore)

1985 − 2014

Relative sea level change

• Rate of relative sea level change (D12)

Global dataset on relative sea level change

Nicholls et al. (2021)54

average of 70 km

1993 − 2015

Shoreline change

• Rate of shoreline change (D13)

Shoreline change rates data

Luijendijk et al. (2018)48

500 m (alongshore)

1984 − 2016