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deltalidar_ft
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en
REQUIRED: A brief narrative summary of the data set.
REQUIRED: A summary of the intentions with which the data set was developed.
REQUIRED: The name of an organization or individual that developed the data set.
REQUIRED: The date when the data set is published or otherwise made available for release.
deltalidar_ft
deltalidar_ft
withheld
raster digital data
REQUIRED: The basis on which the time period of content information is determined.
REQUIRED: The year (and optionally month, or month and day) for which the data set corresponds to the ground.
REQUIRED: The frequency with which changes and additions are made to the data set after the initial data set is completed.
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515041.916667
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REQUIRED: Reference to a formally registered thesaurus or a similar authoritative source of theme keywords.
REQUIRED: Common-use word or phrase used to describe the subject of the data set.
REQUIRED: Restrictions and legal prerequisites for accessing the data set.
REQUIRED: Restrictions and legal prerequisites for using the data set after access is granted.
Raster Dataset
Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.0.8321
SacDelta_LiDAR_DEM_2007
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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>
lidar
digital elevation model
DEM
bare earth elevation
Delta
Sacramento
San Joaquin
Central Valley
California
2007
2008
<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>
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.
California Department of Water Resources, URS Corporation, Fugro EarthData
en
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
REQUIRED: The person responsible for the metadata information.
REQUIRED: The organization responsible for the metadata information.
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.
REQUIRED: The telephone number by which individuals can speak to the organization or individual.
20120621
ISO 19115 Geographic Information - Metadata
DIS_ESRI1.0
dataset
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Local Area Network
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deltalidar_ft
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