John Andrews from the Texas Data Repository Harvested Dataverse collected topographic and bathymetric lidar, orthophotos, sonar, and ground-penetrating radar data for the Devils River in Texas. The data covers the river from Juno to Lake Amistad, with a detailed study area from Finnegan Springs to Dolan Falls. The dataset was last updated on March 18, 2024.
Use Cases
- Generate high-resolution digital elevation models based on the 1-meter topographic and bathymetric lidar raster data.
- Analyze riverbed composition and subsurface structures based on the ground-penetrating radar point data.
- Conduct detailed habitat or geomorphological studies in the Finnegan Springs to Dolan Falls area based on the composite lidar and GPR raster dataset.
- Create orthorectified base maps for the region based on the provided orthophotos in GeoTIFF format.
Strengths
- Includes multiple complementary data types: lidar, orthophotos, sonar, and ground-penetrating radar.
- Provides data in both raster (BIL) and point cloud (LAS) formats for flexibility.
- Contains a detailed, two-kilometer study area with a composite dataset merging lidar and GPR data.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and total file size are unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Texas Data Repository Harvested Dataverse
- Collection Method
- Collected via airborne or terrestrial remote sensing (lidar, sonar, GPR) and aerial photography.
- Time Range
- null
- Freshness
- Last updated 2024-03-18 08:43:34; freshness should be verified.
- Geography
- Devils River from Juno to Lake Amistad, Texas, USA, with a detailed area from Finnegan Springs to Dolan Falls.