| snippet:
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This dataset is a bare earth elevation model of the Legal Delta and Suisun Marsh that was derived from the LiDAR data acquired in 2007 and 2008. |
| summary:
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This dataset is a bare earth elevation model of the Legal Delta and Suisun Marsh that was derived from the LiDAR data acquired in 2007 and 2008. |
| accessInformation:
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California Department of Water Resources, URS Corporation, Fugro EarthData |
| thumbnail:
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thumbnail/thumbnail.png |
| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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<div style='text-align:Left;'><p style='margin:0 0 0 0;'><span>In January of 2007, California Department of Water Resources tasked a team consisting of the URS Corporation and Fugro EarthData to obtain and process high resolution topographic data using lidar. The project area encompassed the Sacramento-San Joaquin Delta, Suisan Marsh, and the Los Vaqueros reservoir in California. Total project area in square miles was 1646 with a 100-ft buffer along the project boundary. The aerial lidar survey for this purpose was collected at a nominal 1-meter post spacing. Airborne 1 flew the lidar and processed the boresight calibration, Towill Inc. surveyed the ground control, and Fugro EarthData Inc. did all the lidar processing. The major acquistion window occurred in Jan/Feb of 2007 with reflights completing during Feb/March of 2008. The processed lidar was delivered in ascii, las, and ESRI geodatabase formats along with 1ft contours and a 1m DEM bare earth grid.</span></p><div><div><p><span>All data are registered to UTM Zone 10, NAD83 horizontal datum and NAVD88 vertical datum. The elevations are in feet and the cell size is 1m by 1m.</span></p><p><span>The accuracy specifications are as follows: Vertical accuracy: 95% at 0.6 ft and 90% at 0.5 ft. Horizontal accuracy: 1.0 ft, 1 sigma.</span></p></div></div></div> |
| licenseInfo:
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<div style='text-align:Left;'><p><span><span>This is an official DWR Image Service, which meets all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.1, dated September 11, 2019. </span></span></p><p><span><span>DWR makes no warranties or guarantees —either expressed or implied — as to the completeness, accuracy, or correctness of the data. DWR neither accepts nor assumes liability arising from or for any incorrect, incomplete, or misleading subject data. </span></span></p><p><span>This Image Service was published on 12/12/2019, by Stephanie Baker of the DWR Division of Engineering, who may be contacted at 916-653-9815, or at stephanie.baker@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate. </span></p><div><div><p><span /></p></div></div></div> |
| catalogPath:
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| title:
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SacDelta_LiDAR_DEM_2007 |
| type:
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Image Service |
| url:
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https://parcgis.water.ca.gov/arcgisimgpublicmngr/admin/elevation/SacDelta_LiDAR_DEM_2007/ImageServer |
| tags:
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["lidar","digital elevation model","DEM","bare earth elevation","Delta","Sacramento","San Joaquin","Central Valley","California","2007","2008"] |
| culture:
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en-US |
| name:
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SacDelta_LiDAR_DEM_2007 |
| guid:
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| spatialReference:
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NAD_1983_UTM_Zone_10N |