|September 2002 Lidar Point Data of Southern California Coastline: Dana Point to Point La Jolla|
|This data set contains lidar point data from a strip of Southern California coastline (including water, beach, cliffs, and top of cliffs) from Dana Point to Point La Jolla. The geographic extent of the data set is equivalent to the 18 quarter-quadrangles listed in Other_Citation_Details plus 30 meters of overedge beyond the extents of each quarter-quadrangle (overlap between quads). The data set was created by combining data collected using an Optech Inc. Airborne Laser Terrain Mapper (ALTM) 1225 in combination with geodetic quality Global Positioning System (GPS) airborne and ground-based receivers. The Bureau of Economic Geology, the University of Texas at Austin owns and operates an ALTM 1225 system (serial number 99d118). The system was installed in a single engine Cessna 206 (tail number N4589U) owned and operated by the Texas State Aircraft Pooling Board. The lidar data set described by this document was collected on 9 September 2002 (25202) between 22:44 and 02:02 UTC (see Lineage, Source_Information, Source_Contribution for pass information). Conditions on that day were clear skies, no fog or low clouds, but haze. 99d118 instrument settings for this flight were; laser pulse rate: 25kHz, scanner rate: 26Hz, scan angle: +/-20deg, beam divergence: narrow, altitude: 760-960m AGL, and ground speed: 99-110kts. Two GPS base stations (Scripps pier and San Onofre Power Plant, see Lineage, Source_Information, Source_Contribution for coordinates) were operating during the survey. Data represented is all points including terrain, vegetation, and structures. This data also contains returns from the water surface. No processing has been done to remove returns from terrain, vegetation, structures or water surfaces.|
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- The National Geophysical Data Center serves as the archive for this LIDAR data. NGDC should only be contacted for this data if it cannot be obtained from NOAA Coastal Services Center.
- The National Geophysical Data Center serves as the archive for this LIDAR dataset. NGDC should only be contacted for the data if it cannot be obtained from NOAA Coastal Services Center.