Description
The following is a summary of the features from the DSM2 Monitoring Special Study (MSS) release that were merged into the
DSM2 2023 Full Calibration Release (FC_2023.01)* to create the "DSM2 Input 2025-05-28 historical update" release.
The "DSM2 Input 2025-05-28 historical update" release was calibrated using DSM2 v8.4.1.
- Delta Modeling Section (DMS) standard directory structure and file naming conventions
- MSS time period, calendar years 2015-2024
- Time series input from MSS, with Yolo Bypass and Yolo Toe Drain inputs added.
- Five minute time step for boundary flow and EC inputs
- Martinez stage boundary input adjusted to compensate for the lack of simulation of wind and density-induced pressure gradient from salinity gradients
- Channel depletions adjusted to improve simulation of null zone diversions and improve circulation patterns around Fabian Tract and Pescadero Tract.
- Inferred drainage EC inputs from MSS for South Delta. All negative values were replaced with zeros.
- Gate configuration and operating rules from MSS, with one change to the operating rules to correct an error in the operation of the Suisun Marsh Salinity Control Gates (SMSCG)
- Input allows for variable delta x in different parts of the domain.
- Cross-sections updated in South Delta using DEM for Modeling, Version 4.3 (https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-version-4-3).
Source code and executables: DSM2 HYDRO, QUAL, and PTM:
https://github.com/CADWRDeltaModeling/dsm2/releases/
* DSM2 2023 Full Calibration Release (FC_2023.01) and the corresponding release notes are available at https://data.cnra.ca.gov/dataset/dsm2-fc-2023-01
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Known Issues | known_issues_dsm2_input_2025-05-28_historical_update.pdf | Open resource | |
| DSM2 Input 2025-05-28 historical update | ZIP | The following is a summary of the features from the DSM2 Monitoring Special Study (MSS) release that were merged into the DSM2 2023 Full Calibration Release (FC_2023.01)* to create the "DSM2 Input 2025-05-28 historical update" release. The "DSM2 Input 2025-05-28 historical update" release was calibrated using DSM2 v8.4.1. * Delta Modeling Section (DMS) standard directory structure and file naming conventions * MSS time period, calendar years 2015-2024 * Time series input from MSS, with Yolo Bypass and Yolo Toe Drain inputs added. * Five minute time step for boundary flow and EC inputs * Martinez stage boundary input adjusted to compensate for the lack of simulation of wind and density-induced pressure gradient from salinity gradients * Channel depletions adjusted to improve simulation of null zone diversions and improve circulation patterns around Fabian Tract and Pescadero Tract. * Inferred drainage EC inputs from MSS for South Delta. All negative values were replaced with zeros. * Gate configuration and operating rules from MSS, with one change to the operating rules to correct an error in the operation of the Suisun Marsh Salinity Control Gates (SMSCG) * Input allows for variable delta x in different parts of the domain. * Cross-sections updated in South Delta using DEM for Modeling, Version 4.3 (add link). Source code and executables: DSM2 HYDRO, QUAL, and PTM: https://github.com/CADWRDeltaModeling/dsm2/releases/ * DSM2 2023 Full Calibration Release (FC_2023.01) and the corresponding release notes are available at https://data.cnra.ca.gov/dataset/dsm2-fc-2023-01 | Open resource |
| Bathymetry files, version 2025-05-28 | HTML | Open resource | |
| DSM2 v8.4.1 | ZIP | Open resource | |
| DSM2 Grid 2025-05-28 historical shapefiles | ZIP | dsm2_grid_2025_05_28_historical_shapefiles.zip | Open resource |
| DEM for Modeling, Version 4.3 | HTML | This DEM includes the bathymetry data that were used to update cross-sections in the South Delta. | Open resource |