John Andrews from the Texas Data Repository Harvested Dataverse published a collection of topographic and bathymetric data for the Devils River in Texas on 2024-03 18. The dataset includes lidar data in 1m raster and point formats, orthophotos, sonar and GPR point data for a detailed study area near Finnegan Springs, and an index map of data extents.
Use Cases
- Modeling riverbed morphology and erosion based on the bathymetric lidar and sonar data.
- Creating high-resolution base maps for environmental studies using the provided orthophotos.
- Analyzing subsurface features in a specific river pool using the Ground Penetrating Radar (GPR) point data.
- Conducting watershed analysis and habitat mapping based on the composite raster dataset combining lidar and GPR.
Strengths
- Includes multiple complementary data types: lidar, orthophotos, sonar, and GPR.
- Provides a focused, high-detail dataset for a two-kilometer pool from Finnegan Springs to Dolan Falls.
- Data is available in both raster (BIL, geoTiff) and point (LAS) formats for flexibility.
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 topographic/bathymetric lidar, sonar, GPR, and aerial photography.
- Time Range
- null
- Freshness
- Last updated 2024-03-18 05:24:58; freshness should be verified.
- Geography
- Devils River from Juno to Lake Amistad, Texas, with a detailed study area from Finnegan Springs to Dolan Falls.