An all-island landslide database for Ireland
DOI:
https://doi.org/10.55650/igj.2025.1525Abstract
National landslide inventories are essential for effective landslide management and adaptation to climate change. The Island of Ireland has two separate inventories compiled by two different government agencies. We present the methodology for the construction of the first all-island landslide database (Cullen and Bourke, 2023). We use the two previously assembled jurisdictional databases supplemented with our own data.
The new all-Ireland landslide inventory contains a total of 3098 landslides, including 134 previously unreported landslides. In addition, we supplemented the records with weather conditions for an additional 86 landslides. The all-Ireland landslide database contains the earliest written landslide record documented globally. There is the potential to extend and enhance the inventory through further exploitation of historical sources. We find that the number of failures listed in coastal locations are significantly under-reported.
A preliminary analysis of the database indicates that most slope failures in Ireland occur in peat (45%) and 95% of those are associated with wet conditions. This is significant given the predicted changes in climate.
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