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This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

i12 Salinity Transects SouthDelta

Metadata Updated: July 24, 2025

This is a point feature class of high-frequency specific conductance and water temperature measurements at specific points in the South Delta. Specific conductance data was collected for the Department’s involvement in the South Delta Salinity Monitoring Special Study required by the State Water Boards 2018 amendment to the Bay-Delta Water Quality Control Plan (Bay-Delta Plan). The candidate dataset includes all data collected for the High-Speed Salinity Mapping component of the study between September 2021 and December 2023. The dataset contains specific conductance measurements collected at fixed time intervals while traversing channel reaches by boat. The dataset is comprised of date/time, run name, channel name, Lat/Long, speed over ground, course over ground, specific conductance (µS/cm), and temperature (C°). Sample water was pumped through a flow-cell, housing a YSI EXO2 sonde and conductivity/temperature sensor. Water quality measurements were collected at frequencies between 1-5 seconds and spatially located using a WAAS-enabled GPS receiver (Garmin GPS 16x). Transect routes encompass all reaches in the southern Delta identified, in the Bay-Delta Plan, as locations for future segment-based salinity compliance. The salinity transects were performed as a method to validate model outcomes, validate stationary, continuous water quality monitoring sites, inform understanding of tidal dispersion in hydrologically complex regions of the study area, and inform the development of protocols for segment- based salinity compliance.

Access & Use Information

Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: See this page for license information.

Downloads & Resources

Dates

Metadata Created Date July 23, 2025
Metadata Updated Date July 24, 2025

Metadata Source

Harvested from State of California

Additional Metadata

Resource Type Dataset
Metadata Created Date July 23, 2025
Metadata Updated Date July 24, 2025
Publisher California Department of Water Resources
Maintainer
Identifier ee16f784-b5f3-4b1b-81c0-61f854837bfd
Data First Published 2023-08-22T18:02:32.000Z
Data Last Modified 2025-05-29T16:10:07.000Z
Category Natural Resources, Water
Public Access Level public
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Datagov Dedupe Retained 20250724164837
Harvest Object Id 45b98bab-78dc-45fa-98a2-ddff29a24f54
Harvest Source Id 3ba8a0c1-5dc2-4897-940f-81922d3cf8bc
Harvest Source Title State of California
License http://www.opendefinition.org/licenses/cc-by
Source Datajson Identifier True
Source Hash ce272ae5c3b87fde310e3f85916877a934d7101f0fe5596c7b72733044698d07
Source Schema Version 1.1

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