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Data was collected by ESA in 2019. This bathymetric dataset will be used as a base component of scientific research and studies of the Sacramento-San Joaquin Delta. Single and multidimensional flow model simulations, levee stability analyses, construction plans, and biological studies are examples of projects that depend on detailed bathymetric information. This dataset was collected to better manage and understand flow and water quality dynamics. 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 3.4, dated September 14, 2022. 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.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Bathymetric survey of part of the Sutter Bypass, collected on April 12 and 13, 2019 using single beam echo sounder technology and was performed by ESA. </SPAN></P><P><SPAN>Project Name: Tisdale E1 </SPAN></P><P><SPAN>ESA Project Number: D130028.40</SPAN></P><P><SPAN>Crew: M. Norcott and C. Turner.</SPAN></P><P><SPAN>The original field survey data were collected in NAD83 and NAVD88 datums. Horizontal and vertical units are both in feet. </SPAN><SPAN>The original field survey data have been converted to California Teale Albers, NAD83 at time of field survey data import.</SPAN></P></DIV></DIV></DIV>
ESA (Environmental Science Associates)
Elevation
ISO 006
Bathymetry
Sacramento
San Joaquin Delta
Walnut Grove
Ryde
Slough
April
2019
Single Beam
Sutter
Sutter Bypass
DWR GIS Atlas
<DIV STYLE="text-align:Left;"><DIV><DIV><P><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></P><P><SPAN /><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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