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Percent slope derived from 2022 LiDAR bare-earth DTM (Digital Terrain Model, State Plane) and reclassified into set intervals and 9 different categories from 0% to greater than 50%.
Slope in Percent specified by the Ag Commissioner: (Enumerated domain value definition source County of Sonoma ISD – GIS)
List of values
Value 1 Zero to 5% slopes
Value 2 >5% slopes to 10% slopes
Value 3 >10% slopes to 15% slopes
Value 4 >15% slopes to 20% slopes
Value 5 >20% slopes to 25% slopes
Value 6 >25% slopes to 30% slopes
Value 7 >30% slopes to 40% slopes
Value 8 >40% slopes to 50% slopes
Value 9 > 50% slopes
2022 Lidar derived DTM:
The Digital Terrain Model (DTM) represents the orthometric elevations of the earth’s surface with all above ground features removed. It is created by first creating a TIN of ground classified lidar returns and converting the TIN to a raster at the desired resolution. The DTM is hydroflattened. This is a 3-foot resolution version of the DTM, with pixel values in feet and a State Plane horizontal coordinate system.
https://tukmangeospatial.egnyte.com/dl/ADWSBBL7ac
Grantees & Coordinating Organizations: North Coast Resource Partnership, Solano County
Funders: California Natural Resources Agency, State Coastal Conservancy, NASA, USGS, Sonoma Water, University of California, San Diego, Sonoma Ag + Open Space, Humboldt Bay Municipal Water District
Technical Team: NV5 Geospatial and Tukman Geospatial
Access: Publicly available, see links throughout this document
https://s3.us-west-1.wasabisys.com/lidarderivs/Sonoma_be_stateplane.zip
Percent slope derived from 2022 LiDAR bare-earth DTM (Digital Terrain Model, State Plane) and reclassified into set intervals and 9 different categories from 0% to greater than 50%.
Slope in Percent specified by the Ag Commissioner: (Enumerated domain value definition source County of Sonoma ISD – GIS)
List of values
Value 1 Zero to 5% slopes
Value 2 >5% slopes to 10% slopes
Value 3 >10% slopes to 15% slopes
Value 4 >15% slopes to 20% slopes
Value 5 >20% slopes to 25% slopes
Value 6 >25% slopes to 30% slopes
Value 7 >30% slopes to 40% slopes
Value 8 >40% slopes to 50% slopes
Value 9 > 50% slopes
2022 Lidar derived DTM:
The Digital Terrain Model (DTM) represents the orthometric elevations of the earth’s surface with all above ground features removed. It is created by first creating a TIN of ground classified lidar returns and converting the TIN to a raster at the desired resolution. The DTM is hydroflattened. This is a 3-foot resolution version of the DTM, with pixel values in feet and a State Plane horizontal coordinate system.
https://tukmangeospatial.egnyte.com/dl/ADWSBBL7ac
Grantees & Coordinating Organizations: North Coast Resource Partnership, Solano County
Funders: California Natural Resources Agency, State Coastal Conservancy, NASA, USGS, Sonoma Water, University of California, San Diego, Sonoma Ag + Open Space, Humboldt Bay Municipal Water District
Technical Team: NV5 Geospatial and Tukman Geospatial
Access: Publicly available, see links throughout this document
https://s3.us-west-1.wasabisys.com/lidarderivs/Sonoma_be_stateplane.zip