Continental Mapping Consultants, Inc. REQUIRED: The date when the data set is published or otherwise made available for release. vector digital data \\ORTHO10808\C$\Temp\Wapato\Lidar_DEM_Tiles.shp Tualatin National Wildlife Refuge has identified LiDAR based topographic inventory as a top priority. LiDAR based Digital Elevation Models (DEMs) will provide an invaluable tool to design the landscape for more efficient flows of water to the critical habitat areas. The LiDAR acquisition for this project will support ongoing Inventory and Monitoring activities, refuge management, and planning. LiDAR will provide a wealth of vegetation structure data for a planned vegetation mapping project. LiDAR can also aid the current Hydrogeomorphological (HGM) assessment being developed by Inventory and Monitoring. Continental Mapping Consultants, Inc. (CMC) acquired LiDAR data and imagery for the Tualatin National Wildlife Refuge on May 15, 2012. The project area was expanded to include a 100m buffer around the area of interest to ensure complete coverage. This report documents the data acquisition, processing methods, accuracy assessment, and deliverables for the project. Provide airborne based LIDAR (Light Detection and Ranging) data of the Tualatin National Wildlife Refuge. The LiDAR acquisition for this project will support ongoing Inventory and Monitoring activities, refuge management, and planning. LiDAR will provide a wealth of vegetation structure data for a planned vegetation mapping project. LiDAR can also aid the current Hydrogeomorphological (HGM) assessment being developed by Inventory and Monitoring. 05/15/2012 ground condition Complete As needed -123.160532 -123.077884 45.492720 45.360818 Remote Sensing DEM Remote Sensing Hydrogeomorphological Habitat Hydrological Hydro Tualatin Oregon National Wildlife Refuge NWR Wapato As determined by the National Wildlife Refuge As determined by the National Wildlife Refuge Continental Mapping Consultants, Inc. 608.834.9823 Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.3.1.3000 Continental Mapping Consultants, Inc. 09/27/2012 LiDAR Data Acquisition: The LiDAR acquisition mission was flown on May 15, 2012. LiDAR acquisition of the project area consisted of 21 low level flight lines with an average altitude of 375 meters. The imagery acquisition consisted of 9 high level flight lines flown at an average altitude of 860 meters. 05/15/2012 A network of control points was established within the project boundary to validate the accuracy of the LiDAR data. The network consisted of Real Time Kinetic (RTK) points collected by Terra Remote Sensing, and existing US Fish and Wildlife Service monuments. The following points, WP02, WP03, WP06, and WP08 were verified by Terra Remote Sensing against the active CORS control stations, JIME (Portland, OR) and NWBG (Newberg, OR). An additional network check was completed between CORS stations FTS5, GOBS, and P367. Points WP02 and WP08 were also used as an RTK/PPK (Post Processed Kinematic) base station for the collection of lidar and orthophoto checkpoints. The raw LAS was then taken into TerraScan and had overlapping flight lines cut to create seams between flight lines. Classification was run across the project to extract the bare earth points from the unclassified data using multiple settings and factors in a ground based filter. The ground points from the classified tiles were then used to create Arc Grids at 1.6 foot resolution using LP 360 software. Hydro break lines that were collected during the ground classification for flowing water greater than 100 feet wide, water bodies larger than 2 acres or 350 feet in diameter, and culvert polygons were used in conjunction with the bare earth LAS. Bare earth points that were within 1 foot proximity of a break line or polygon were buffered out of the ground. Ground inside of the culvert polygons was removed to allow water to flow for hydraulic modeling purposes. The ARC Grid can then be used to create a representation of the earth's surface and be used for modeling purposes. A variety of information needed can be obtained through this data set by the use and manipulation of the data by multiple agencies. September, 2012 LP 360, TerraScan Metadata imported. 09/27/2012 Vector G-polygon 78 Lambert Conformal Conic 45.500000 45.500000 -122.750000 45.500000 328083.989501 164041.994751 coordinate pair 0.000000 0.000000 international feet D_NAD_1983_CORS96 Geodetic Reference System 80 6378137.000000 298.257222 North American Vertical Datum of 1988 feet Explicit elevation coordinate included with horizontal coordinates Lidar_DEM_Tiles FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. ELEVATION LEVEL_DESC TileID Downloadable Data 0.010 20120927 Continental Mapping Consultants, Inc. Continental Mapping Consultants, Inc. REQUIRED: The mailing and/or physical address for the organization or individual. REQUIRED: The city of the address. REQUIRED: The state or province of the address. REQUIRED: The ZIP or other postal code of the address. 608.834.9823 FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 local time http://www.esri.com/metadata/esriprof80.html ESRI Metadata Profile 201209271412340020120927