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This bathymetric dataset is intended to be used as a base component of studies in the Sacramento-San Joaquin Delta.
The associated data are considered DWR enterprise GIS data, which meet all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.1, dated September 11, 2019.
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.
Comments, problems, improvements, updates, or suggestions should be forwarded to GIS@water.ca.gov. |
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This bathymetric dataset is intended to be used as a base component of studies in the Sacramento-San Joaquin Delta.
The associated data are considered DWR enterprise GIS data, which meet all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.1, dated September 11, 2019.
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.
Comments, problems, improvements, updates, or suggestions should be forwarded to GIS@water.ca.gov. |
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California Department of Water Resources, Division of Regional Assistance, North Central Region Office, Hydrography and Technical Support Section. |
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5000 |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The California Department of Water Resources (CA-DWR), North Central Region Office (NCRO), Bathymetry Data Collection Section, conducted a singlebeam bathymetric survey of several shallow areas and submerged islands in the San Joaquin River to supplement to ongoing multibeam surveys of the River and increase bathymetric coverage. </SPAN><SPAN><SPAN>The data were collected in NAD83 (California State Plane Zone III coordinate system) and NAVD88 datums.</SPAN></SPAN></P><P><SPAN>• Survey Dates: April 11-25, 2019 </SPAN></P><P><SPAN>• Instrumentation: Singlebeam echo sounder with Inertially-Aided Post-Processed Kinematic (IAPPK) GPS procedures. </SPAN></P><P><SPAN>• Point Spacing: about 1 Foot</SPAN></P><P><SPAN>• Horizontal Units: US Foot</SPAN></P><P><SPAN>• Vertical Units: US Foot</SPAN></P><P><SPAN>• Related datasets: Columbia Cut 2012, additional multibeam work pending release</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>Not for use as a navigation aid. The data reflects measurements taken at specific time periods and the Department of Water Resources makes no claim as to the current state of these waterways. Do not share or publish this data without including proper attribution.</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN>The original source projection of the DWR GIS atlas dataset was California Teale Albers, NAD83. For copies of data in original projection, please contact DWR directly.</SPAN></P></DIV></DIV></DIV> |
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i06_Bathy_NCRO_20190425_SanJoaquinRiver_Islands |
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["Sonar","Inland Waters","April","2019","Singlebeam","Elevation","Bathymetry","San Joaquin River","Little Venice Island","Tinsley Island","Fern Island","Columbia Cut","DWR GIS Atlas"] |
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en-US |
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150000000 |
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