#-------------------------------------------------------------------------------------- # # Level 1 data products # -- include raw PhotoScan image outputs and spectral reflectance measurements # #-------------------------------------------------------------------------------------- File list: --------------- 1. NGEEArctic_Seward_Osprey_*_*_*_RGB.tif -- RGB SfM ortho-mosaic from PhotoScan software. Pixel resolution: ~0.015 meters Spatial reference: WGS 84 / UTM zone 3N (EPSG:32603) 2. NGEEArctic_Seward_Osprey_*_*_*_RGB.json -- Spatial extent of the RGB SfM product. Spatial reference: Decimal Degrees, WGS84 (EPSG:4326) 3. NGEEArctic_Seward_Osprey_*_*_*_RGB.png -- gdal generated RGB image quicklook 4. NGEEArctic_Seward_Osprey_*_*_*_DSM.tif -- Digital surface model (DSM) generated along with RGB processing in PhotoScan Pixel resolution: ~0.031 meters Spatial reference: WGS 84 / UTM zone 3N (EPSG:32603) 5. NGEEArctic_Seward_Osprey_*_*_*_DSM.json -- Spatial extent of the DSM SfM product. Spatial reference: Decimal Degrees, WGS84 (EPSG:4326) 6. NGEEArctic_Seward_Osprey_*_*_*_DSM.png -- gdal generated DSM image quicklook 7. NGEEArctic_Seward_Osprey_*_*_*_TIR.tif -- Thermal infrared ortho-mosaic from PhotoScan software Pixel resolution: ~0.082 meters Spatial reference: WGS 84 / UTM zone 3N (EPSG:32603) 8. NGEEArctic_Seward_Osprey_*_*_*_TIR.json -- Spatial extent of the TIR ortho-mosaic product. Spatial reference: Decimal Degrees, WGS84 (EPSG:4326) 9. NGEEArctic_Seward_Osprey_*_*_*_TIR.png -- TIR image quicklook 10. NGEEArctic_Seward_Osprey_Kougarok_*_*_*.laz -- Cloud points generated along with RGB processing in PhotoScan LAZ file info extent : 561777.2, 562053.4, 7193069.4, 7193364.2 (xmin, xmax, ymin, ymax) coord. ref. : +proj=utm +zone=3 +datum=WGS84 +units=m +no_defs +ellps=WGS84 +towgs84=0,0,0 area : 53018.82 m² points : 63.23 million points density : 1192 points/m² 11. NGEEArctic_Seward_Osprey_*_*_*_SurfaceReflectance.csv -- Spectral reflectance data generated from MoDaCS Lat/Long spatial reference: Decimal Degrees, WGS84 (EPSG:4326) For detailed data processing, please refer to Yang et al., (2020). References: Yang, D. et al. (2020). A Multi-Sensor Unoccupied Aerial System Improves Characterization of Vegetation Composition and Canopy Properties in the Arctic Tundra. Remote Sensing.