Near Pan-Svalbard cryospheric hazards inventory (SvalCryo) ...

• Main Authors: Nicu, Ionut Cristi, Rubensdotter, Lena, Tanyas, Hakan, Lombardo, Luigi
• Format: Dataset
• Language: English
• Published: Zenodo 2024
• Subjects: cryospheric hazards; Arctic; Svalbard; retrogressive thaw slumps; thermo-erosion gullies; Barentsøya; Dickson Land; Edgeøya; Heer Land; James I Land; Nathorst Land; Nordenskiöld Land; Norwegian Polar Institute; Olav V Land; Sabine Land; Sørkapp Land; Torell Land; Wedel Jarlsberg Land
• Online Access: https://dx.doi.org/10.5281/zenodo.10522820; https://zenodo.org/doi/10.5281/zenodo.10522820

We present a comprehensive inventory of thaw slumps (TS) and thermo-erosion gullies (TEG) on the Svalbard Archipelago. We used the most recent orthophotos (0.5 x 0.5 m pixel size) acquired in 2009-2011 from the Web Map Services (WMS) of the Norwegian Polar Institute. TS and TEG were identified and digitised on-screen as polygons in the ETRS_1989_UTM_Zone_33N coordinate reference system. TS and TEG were identified based on their morphology, digitised on-screen (maximum zoom was 1:1000) as polygons, and then individually quality checked in the GIS environment. This process was repeated twice, to avoid any bias in feature(s) mapping, first by a geomorphologist (first author) and then by an Arctic geologist (second author). The cryospheric inventory of the 14 regions (Andreé Land, Dickson Land, James I Land, Nordenskiöld Land, Bünsow Land, Olav V Land, Sabine Land, Nathorst Land, Heer Land, Wedel Jarlsberg Land, Torell Land, Sørkapp Land, Barentsøya and Edgeøya) totalises 8491 polygons, out of which 3679 are TS ...