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Below are the Post-Hurricane Harvey imagery specifications and deliverables as outlined by H-GAC in August 2017. The deliverables are currently available for purchase by contacting the H-GAC Data Services GIS staff.
Specifications
- Coverage Area
- 2,555 Lambert Tiles
- 10,322 Sq. Miles
- Resolution
- 1 Foot GSD in RGB (True Color)
- 1 Foot GSD in CIR (Color-Infrared)
- Additional Specifications
- Leica ADS100 push-broom sensor
- 12,500’ flight elevation with minimum 30% side lap
- 2016 H-GAC Aerial Imagery ground control points and horizontal accuracy
Deliverables
- 2,555 MrSID lambert tiles
- True-Color/RGB 1 Foot tiles
- Color-Infrared/CIR 1 Foot tiles
- Mosaic Datasets included for both
- Fully processed and edge-matched
- Project Documentation
- Includes flight report with capture dates via PDF and Shapefile
- Project Metadata
- Product Disclaimer
Flight Timeline*
- Initial acquisition flights
- Aug. 30, 2017 - Sept. 6, 2017
- Re-flights of distorted/cloud cover areas
- Sept.7, 2017 - Sept. 8, 2017
*Due to time constraints attempting to capture as much flooding as possible, some areas were originally acquired with extreme distortion and cloud-cover making them unusable and therefore needed to be re-flown days later.