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This bathymetric dataset is intended to be used as a base component of studies in the Sacramento-San Joaquin Delta.
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 3.6, dated September 27, 2023. This archived dataset was developed by DWR for its internal use. This data is not suitable for property boundary determination, construction layout, legal descriptions, or any other professional land surveying or legal purpose. The data represents estimates of past conditions and measurements, may contain errors, and is no longer representative of current conditions. Neither the State of California, its agents, nor its employees, make any warranty, representation or guarantee, express or implied; nor assumes any liability or responsibility for the accuracy, completeness, or usefulness of this data. Comments, problems, improvements, updates, or suggestions should be forwarded to bathymetry@water.ca.gov as available and appropriate. |
| summary:
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This bathymetric dataset is intended to be used as a base component of studies in the Sacramento-San Joaquin Delta.
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 3.6, dated September 27, 2023. This archived dataset was developed by DWR for its internal use. This data is not suitable for property boundary determination, construction layout, legal descriptions, or any other professional land surveying or legal purpose. The data represents estimates of past conditions and measurements, may contain errors, and is no longer representative of current conditions. Neither the State of California, its agents, nor its employees, make any warranty, representation or guarantee, express or implied; nor assumes any liability or responsibility for the accuracy, completeness, or usefulness of this data. Comments, problems, improvements, updates, or suggestions should be forwarded to bathymetry@water.ca.gov as available and appropriate. |
| accessInformation:
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California Department of Water Resources, Division of Regional Assistance, North Central Region Office, Hydrography and Technical Support. |
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2101.5149719125484 |
| typeKeywords:
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["ArcGIS Server","Data","Image Service","Service"] |
| description:
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<div style='text-align:Left;'><div><div><p><span>The California Department of Water Resources (DWR), North Central Region Office (NCRO), Bathymetry Data Collection Section, conducted a bathymetric survey of the San Joaquin River as part of the Delta Wide Bathymetry Program. The main purpose of the data is to help complete bathymetric datasets of the Central Delta and allow for relevant comparisons. </span></p><p><span>• Field Dates: December 17,30 2024; January 13,16,21,23,29, 2025; February 10-12, 18, 24, 27 2025; March 3-4, 10-11, 18, 2025 </span></p><p><span>• Survey Type: Multibeam </span></p><p><span>• Data Density: 1 foot </span></p><p><span>• Horizontal Datum: North American Datum of 1983 (NAD83) California Coordinate System (CCS83) State Plane Zone 3, US feet </span></p><p><span>• Vertical Datum: North American Vertical Datum of 1988 (NAVD88) geoid 18, US feet </span></p><p><span>• Processing Epoch: 2025.211; CSRC Datum Epoch: 2017.5 </span></p><p><span>• Related Datasets: San Joaquin River at Bradford Island 2015, San Joaquin River at Fisherman's Cut 2015, San Joaquin River at Twitchell Island 2015, Three Mile Slough 2019, San Joaquin River Singlebeam 2020, San Joaquin River at Brannan Island 2022 </span></p><p><span>• Involved Staff: Data collected and processed by NCRO Bathymetry and Hydrography sections </span></p><p><span>• Survey Responsible Charge: Jacob Wright, PLS (CA 8717) </span></p><p><span>Please contact the distributor for questions regarding survey control or QC checks. For complete metadata make sure the viewer (ArcGIS or other software) is set to view FGDC metadata.</span></p></div></div></div> |
| licenseInfo:
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<div style='text-align:Left;'><div><div><p><span>This dataset was valid at the time it was measured, however, changes may have occurred since and these data may no longer represent actual surface conditions. The user is responsible for the results of any application of this data for other than its intended purpose. Acknowledgement of the Department of Water Resources, NCRO, Hydrography and Technical Support is appreciated for products derived from these data.</span></p></div></div></div> |
| catalogPath:
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| title:
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Bathy_NCRO_20250318_SanJoaquinRiver |
| type:
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Image Service |
| url:
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https://parcgis.water.ca.gov/arcgisimgpublicmngr/services |
| tags:
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["elevation","inlandWaters","Bathymetry","Multibeam","Sonar","San Joaquin River","Bradford Island","Three Mile Slough","Fisherman's Cut","Twitchell Island","Jersey Island","December 2024","January","February","March 2025"] |
| culture:
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en-US |
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| name:
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Bathy_NCRO_20250318_SanJoaquinRiver |
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| minScale:
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33624.239550600774 |
| spatialReference:
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NAD_1983_StatePlane_California_III_FIPS_0403_Feet |