20230120 11395900 1.0 FALSE Imagery.GIS.ELEV_DEM_2018_SP 6375000.983491 6546276.887657 1817299.779470 2077666.712804 1 Server=gisdataprod04; Service=sde:sqlserver:gisdataprod04; Database=Imagery; User=gis; Version=sde.DEFAULT ArcSDE Connection 002 Projected GCS_North_American_1983 Linear Unit: Foot_US (0.304801) NAD_1983_StatePlane_California_II_FIPS_0402_Feet <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.0.0'><WKT>PROJCS[&quot;NAD_1983_StatePlane_California_II_FIPS_0402_Feet&quot;,GEOGCS[&quot;GCS_North_American_1983&quot;,DATUM[&quot;D_North_American_1983&quot;,SPHEROID[&quot;GRS_1980&quot;,6378137.0,298.257222101]],PRIMEM[&quot;Greenwich&quot;,0.0],UNIT[&quot;Degree&quot;,0.0174532925199433]],PROJECTION[&quot;Lambert_Conformal_Conic&quot;],PARAMETER[&quot;False_Easting&quot;,6561666.666666666],PARAMETER[&quot;False_Northing&quot;,1640416.666666667],PARAMETER[&quot;Central_Meridian&quot;,-122.0],PARAMETER[&quot;Standard_Parallel_1&quot;,38.33333333333334],PARAMETER[&quot;Standard_Parallel_2&quot;,39.83333333333334],PARAMETER[&quot;Latitude_Of_Origin&quot;,37.66666666666666],UNIT[&quot;Foot_US&quot;,0.3048006096012192],AUTHORITY[&quot;EPSG&quot;,2226]]</WKT><XOrigin>-115211800</XOrigin><YOrigin>-93821500</YOrigin><XYScale>36983428.057351544</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.0032808333333333331</XYTolerance><ZTolerance>0.00020000000000000001</ZTolerance><MTolerance>0.00020000000000000001</MTolerance><HighPrecision>true</HighPrecision><WKID>102642</WKID><LatestWKID>2226</LatestWKID></ProjectedCoordinateSystem> CopyRaster CLIP_Merged_DEMs_ElevInFt_EPSG26910.tif "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.CLIP_Merged_DEMs_ElevInFt_EPSG26910_tif" # # -3.402823e+38 NONE NONE # NONE NONE "Esri Grid format" NONE CURRENT_SLICE NO_TRANSPOSE Rename "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.CLIP_Merged_DEMs_ElevInFt_EPSG26910_tif" "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018" RasterDataset DefineProjection "C:\database connection files\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018" PROJCS["NAD_1983_StatePlane_California_II_FIPS_0402_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",6561666.666666666],PARAMETER["False_Northing",1640416.666666667],PARAMETER["Central_Meridian",-122.0],PARAMETER["Standard_Parallel_1",38.33333333333334],PARAMETER["Standard_Parallel_2",39.83333333333334],PARAMETER["Latitude_Of_Origin",37.66666666666666],UNIT["Foot_US",0.3048006096012192]] DefineProjection "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018" PROJCS["NAD_1983_UTM_Zone_10N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-123.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]] ProjectRaster "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018" "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018_SP" PROJCS["NAD_1983_StatePlane_California_II_FIPS_0402_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",6561666.666666666],PARAMETER["False_Northing",1640416.666666667],PARAMETER["Central_Meridian",-122.0],PARAMETER["Standard_Parallel_1",38.33333333333334],PARAMETER["Standard_Parallel_2",39.83333333333334],PARAMETER["Latitude_Of_Origin",37.66666666666666],UNIT["Foot_US",0.3048006096012192]] "Nearest neighbor" "3.28083333333333 3.28083333333333" # # PROJCS["NAD_1983_UTM_Zone_10N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-123.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]] NO_VERTICAL Rename "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018_SP" "C:\Repos\Dataconnections\Prod\gis - Imagery.sde\Imagery.GIS.ELEV_DEM_2018" RasterDataset 20230202 11462000 20230202 11462000 150000000 5000 ISO19139 5ADE6DEF-9C1E-4806-A06F-1ABB31A1FBC0 dataset Matt Lamborn County of Napa Planning, Building, and Environmental Services Department. GIS Departmental Coordinator (707) 265-2326 1195 Third Street, Suite 210 Napa CA 94559 matt.lamborn@countyofnapa.org 20230127 ArcGIS Metadata 1.0 File Geodatabase mixed ELEV_DEM_2018 Imagery.GIS.ELEV_DEM_2018 2022-08-09 Matt Lamborn County of Napa Planning, Building, and Environmental Services Department. GIS Departmental Coordinator (707) 265-2326 1195 Third Street, Suite 210 Napa CA 94559 matt.lamborn@countyofnapa.org Napa County Elevation Layer 2018 Matt Lamborn County of Napa Planning, Building, and Environmental Services Department. GIS Departmental Coordinator (707) 265-2326 1195 Third Street, Suite 210 Napa CA 94559 matt.lamborn@countyofnapa.org Napa County,Napa,California contours,elevation,2 ft.,2-ft.,2-foot Napa County Elevation DEM Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362 true -122.649116 -122.054061 38.151203 38.865484 1 -122.655612 -122.053515 38.867264 38.150510 The data used to generate this DEM came mainly from the USGS 3DEP program, whose lidar was flown in 2018 in response to the 2017 wildfires in Northern CA. Holes in coverage existed in a few small areas along the county's western boundary. These were supplemented by lidar-derived DEMs from surrounding Sonoma and Lake Counties. All DEMs had matching 1-meter resolution. Main DEM Source: - U.S. Geological Survey 3D Elevation Program (3DEP), 2018 (QL [Quality Level] 2, USGS Lidar Base Specification 1.2) Supplemental DEM Sources: - U.S. Geological Survey 3D Elevation Program (3DEP), 2015 (QL [Quality Level] 2, USGS Lidar Base Specification 1.2) - NASA Grant NNX13AP69G, the University of Maryland, and the Sonoma Vegetation Mapping and LiDAR Program, 2013 (QL [Quality Level] 2, USGS Lidar Base Specification 1.0) DEM TILES USED TO GENERATE COUNTYWIDE TOPO: USGS_1m_x53y427_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x53y428_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x53y429_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x54y425_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x54y426_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x54y427_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x54y428_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x54y429_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x54y430_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y422_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y423_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y424_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y425_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y426_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y427_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y428_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y429_CA_NoCAL_Wildfires_B2_2018.tif USGS_1m_x55y429_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y430_CA_NoCAL_Wildfires_B2_2018.tif USGS_1m_x55y430_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x55y431_CA_NoCAL_Wildfires_B2_2018.tif USGS_1m_x56y423_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y424_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y425_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y426_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y427_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y428_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y429_CA_NoCAL_Wildfires_B2_2018.tif USGS_1m_x56y429_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x56y430_CA_NoCAL_Wildfires_B2_2018.tif USGS_1m_x57y423_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x57y424_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x57y425_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x57y426_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x57y427_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x57y428_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x57y429_CA_NoCAL_Wildfires_B5b_2018.tif USGS_1m_x58y425_CA_NoCAL_Wildfires_B5b_2018.tif - USGS_one_meter_x55y423_CA_Sonoma_A4_2013.tif * - USGS_one_meter_x55y424_CA_Sonoma_A4_2013.tif * - USGS_one_meter_x55y430_CA_LakeCounty_2015.tif * * used as supplemental elevation source to fill in gaps in 3DEP coverage in spots along western edge of Napa Co. boundary. INITIAL RASTER PREP: ------------------------------------------------------- Downloaded DEMs from the LiDAR Explorer site: https://apps.nationalmap.gov/lidar-explorer/#/ Using QGIS work environment, all DEMs were merged into a mosaiced DEM using their native UTM 10 (EPGS:26910) projection. Converted elevation storage from meters to feet via raster calculation (raster * 3.280839895). Reprojected to NAD83 / California zone 2 (ft US) (EPSG:2226) and clipped to the Napa County boundary (buffered by 100ft). Get DEMs into one spot for further processing / topo generation. 2022-07-05T00:00:00 Matt Lamborn County of Napa Planning, Building, and Environmental Services Department. GIS Departmental Coordinator (707) 265-2326 1195 Third Street, Suite 210 Napa CA 94559 matt.lamborn@countyofnapa.org EPSG 7.8.2(3.0.1) 5.3(9.0.0) Pixel 79360 52205 3.280833 3.280833 32 1 Upper Left FALSE LZ77 1 pixel codes SDR TRUE row and column 3.280833 3.280833