Geophysical Survey Data from Skeiðarársandur, Iceland, 2022

April and June 2022 data collection includes three geophysical datasets: ground-penetrating radar (GPR), side-scan sonar, and sub-bottom profile (CHIRP) data. The data were collected by the British Geological Survey from the proximal Skeiðarársandur area and its coastline at the mouth of Gígjukvísl. Approximately 30 km of 250 MHz GPR data and 12 km of 100 MHz GPR data were acquired, alongside sonar surveys of a proglacial lake.

Use Cases

• Map subsurface sediment architecture based on ground-penetrating radar data.
• Characterize lakebed features and buried sediment layers based on side-scan sonar and CHIRP sub-bottom profiler data.
• Analyze depositional environments of jökulhlaup events and coastal braidplains based on georeferenced survey data.
• Calibrate geophysical models using positional data logged concurrently with radar trace samples.

Strengths

• Includes approximately 30 km of 250 MHz GPR data and 12 km of 100 MHz GPR data, providing spatial coverage.
• Data were collected in April and June 2022, offering a specific temporal snapshot.
• Multiple complementary sensor types (GPR, side-scan sonar, CHIRP) provide multi-faceted insights.
• All survey data is georeferenced using GNSS data with real-time corrections.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

British Geological Survey (BGS)

Collection Method

Field collection using ground-penetrating radar (Utsi GroundVue systems), side-scan sonar (AquaScan Precision), CHIRP sub-bottom profiler (Bathy 2010PC), and GNSS positioning.

Time Range

April and June 2022

Freshness

Last updated 2026-05-28 14:05:25.313179; freshness should be verified.

Geography

Proximal Skeiðarársandur area (~63.9 N, 17.2 E) and Skeiðarársandur coastline (63.7 N, 17.5 E), Iceland, at the mouth of Gígjukvísl and a proglacial lake fronting Skeiðarárjökull.