| snippet:
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This bathymetric dataset is intended to be used as a base component of studies in the Sacramento-San Joaquin Delta. |
| 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. |
| accessInformation:
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California Department of Water Resources, Division of Regional Assistance, North Central Region Office, Hydrography and Technical Support. |
| thumbnail:
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thumbnail/thumbnail.png |
| maxScale:
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2101.514971912551 |
| typeKeywords:
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["ArcGIS Server","Data","Image Service","Service"] |
| description:
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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.This Image Service was published on 02/24/2026 by Bianca Pertl of the DWR Division of Engineering, who may be contacted at 916-757-3593, or at bianca.pertl@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate.The California Department of Water Resources (CA-DWR), North Central Region Office (NCRO), Bathymetry Data Collection Section, conducted a bathymetric survey of Middle River from the conlfuence with Old River to Union Point. The main purpose of the data is to improve knowledge about water circulation and conveyance in the South Delta. The survey took place between March7th and March 13th, 2017 using multibeam echo sounder technology. The data were positionally corrected using Inertially Aided Post-Processed Kinematic (IAPPK) procedures. • Field Dates: March 7, March 8, March 9, March 13, 2017 • Survey Type: Multibeam • Data Density: 1 foot grid • Horizontal Datum: North American Datum of 1983 (NAD83) California Coordinate System (CCS83) State Plane Zone 3, US feet • Vertical Datum: North American Vertical Datum of 1988 (NAVD88) geoid 12A, US feet • Processing Epoch: 2017.197; CSRC Datum Epoch: 2010 • Related Datasets: Middle River 2011, Victoria Canal 2011, Old River 2013, Middle River South 2022, Old River @ Union Island 2022, Victoria Canal 2022, Paradise Cut 2022, Tom Paine Slough 2022, Old River 2022, Middle River South 2023, Middle River @ Undine 2024 • Involved Staff: Data collected and processed by NCRO Bathymetry and Hydrography sections • Survey Responsible Charge: Jacob Wright, PLS (CA 8717) Please see associated survey report for full control and QC check details. For complete metadata make sure the viewer (ArcGIS or other software) is set to view FGDC metadata. |
| licenseInfo:
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While the Department of Water Resources makes every effort to ensure that its databases are error-free, errors do occur. We ask that you notify us immediately of any errors that you discover in our data. With regards to this dataset, neither the State of California Government, nor any of its employees, makes any warranty, representation or guarantee, express or implied, nor assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of the data. |
| catalogPath:
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|
| title:
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Bathy_NCRO_20170313_MiddlerRiver_at_OldRiver |
| 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","Middle River","Old River","Union Point","March 2017"] |
| culture:
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en-US |
| portalUrl:
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|
| name:
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Bathy_NCRO_20170313_MiddlerRiver_at_OldRiver |
| guid:
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|
| minScale:
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67248.47910120164 |
| spatialReference:
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NAD_1983_California_zone_3 |