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 |