The Dartmouth Flood Observatory provides two data products for monitoring large seasonal wetlands. These are based on data from the QuikSCAT/SeaWinds satellite and include weekly raster images of surface water status and a time series of water surface area. The products are considered mature but may require further validation.
Use Cases
- Tracking seasonal changes in wetland extent based on weekly surface water status imagery.
- Analyzing long-term trends in water surface area for large monitored wetlands.
- Validating satellite-derived water status with intermittent MODIS optical data or USGS discharge data as mentioned in the description.
Strengths
- Weekly temporal resolution for surface water status imagery.
- Data products are considered mature by the providing observatory.
- Surface water area data is compared with other sources like MODIS or USGS data where possible.
Limitations
- Some further validation of the mature product is required.
- Row count and column-level documentation are absent; field semantics must be inferred after download.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- Dartmouth Flood Observatory, using data from the QuikSCAT/SeaWinds satellite.
- Collection Method
- Satellite remote sensing data processed to determine surface water status.
- Freshness
- Weekly production for one product, but overall dataset freshness is unverified.
- Geography
- Large wetland areas monitored by the Dartmouth Flood Observatory.