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DSM2 Georeferenced Model Grid

Published by California Department of Water Resources | State of California | Metadata Last Checked: January 27, 2026 | Last Modified: 2026-01-20T17:55:24.403016
ArcGIS and QGIS map packages, with ESRI shapefiles for the DSM2 Model Grid. These are not finalized products. Locations in these shapefiles are approximate. Monitoring Stations - shapefile with approximate locations of monitoring stations. DSM2 Grid 2025-05-28 Historical ------------------------------------------- FC_2023.01 ------------------------------------------- DSM2 v8.2.0, calibrated version: -------------------------------------------------------------------------------- * dsm2_8_2_grid_map_calibrated.mpkx - ArcGIS Pro map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_grid_map_calibrated.mpk - ArcGIS Desktop map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_grid_map_qgis.zip - QGIS map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_gridmap_shapefiles.zip - A zip file containing all the shapefiles used in the above map packages: - dsm2_8_2_0_calibrated_channels_centerlines - channel centerlines, follwing the path of CSDP centerlines - dsm2_8_2_0_calibrated_network_channels - channels represented by straight line segments which are connected the upstream and downstream nodes - dsm2_8_2_0_calibrated_nodes - DSM2 nodes - dsm2_8_2_0_calibrated_dcd_only_nodes - Nodes that are only used by DCD - dsm2_8_2_0_calibrated_and_dcd_nodes - Nodes that are shared by DSM2 and DCD - dsm2_8_2_0_calibrated_and_smcd_nodes - Nodes that are shared by DSM2 and SMCD - dsm2_8_2_0_calibrated_gates_actual_loc - The approximate actual locations of each gate in DSM2 - dsm2_8_2_0_calibrated_gates_grid_loc - The locations of each gate in the DSM2 model grid - dsm2_8_2_0_calibrated_reservoirs - The approximate locations of the reservoirs in DSM2 - dsm2_8_2_0_calibrated_reservoir_connections - Lines showing connections from reservoirs to nodes in DSM2 DSM2 v8.2.1, historical version: ----------------------------------------------------------------------------------------- * DSM2 v8.2.1, historical version grid map release notes (PDF), updated 7/12/2022 * DSM2 v8.2.1, historical version grid map, single zoom level (PDF) * DSM2 v8.2.1, historical version grid map, multiple zoom levels (PDF) - PDF grid map designed to be printed on 3 foot wide plotter paper. * DSM2 v8.2.1, historical version map package for ArcGIS Desktop: A map package for ArcGIS Desktop containing the grid map layers with symbology. * DSM2 v8.2.1, historical version grid map shapefiles (zip): A zip file containing the shapefiles used in the grid map. Change Log ----------------- 7/12/2022: The document "DSM2 v8.2.1, historical version grid map release notes (PDF)" was corrected by removing section 4.4, which incorrectly stated that the grid included channels 710-714, representing the Toe Drain, and that the Yolo Flyway restoration area was included.

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
                                            {
  "fn": "Min Yu",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:Min.Yu@water.ca.gov"
}
description ArcGIS and QGIS map packages, with ESRI shapefiles for the DSM2 Model Grid. These are not finalized products. Locations in these shapefiles are approximate. Monitoring Stations - shapefile with approximate locations of monitoring stations. DSM2 Grid 2025-05-28 Historical ------------------------------------------- FC_2023.01 ------------------------------------------- DSM2 v8.2.0, calibrated version: -------------------------------------------------------------------------------- * dsm2_8_2_grid_map_calibrated.mpkx - ArcGIS Pro map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_grid_map_calibrated.mpk - ArcGIS Desktop map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_grid_map_qgis.zip - QGIS map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_gridmap_shapefiles.zip - A zip file containing all the shapefiles used in the above map packages: - dsm2_8_2_0_calibrated_channels_centerlines - channel centerlines, follwing the path of CSDP centerlines - dsm2_8_2_0_calibrated_network_channels - channels represented by straight line segments which are connected the upstream and downstream nodes - dsm2_8_2_0_calibrated_nodes - DSM2 nodes - dsm2_8_2_0_calibrated_dcd_only_nodes - Nodes that are only used by DCD - dsm2_8_2_0_calibrated_and_dcd_nodes - Nodes that are shared by DSM2 and DCD - dsm2_8_2_0_calibrated_and_smcd_nodes - Nodes that are shared by DSM2 and SMCD - dsm2_8_2_0_calibrated_gates_actual_loc - The approximate actual locations of each gate in DSM2 - dsm2_8_2_0_calibrated_gates_grid_loc - The locations of each gate in the DSM2 model grid - dsm2_8_2_0_calibrated_reservoirs - The approximate locations of the reservoirs in DSM2 - dsm2_8_2_0_calibrated_reservoir_connections - Lines showing connections from reservoirs to nodes in DSM2 DSM2 v8.2.1, historical version: ----------------------------------------------------------------------------------------- * DSM2 v8.2.1, historical version grid map release notes (PDF), updated 7/12/2022 * DSM2 v8.2.1, historical version grid map, single zoom level (PDF) * DSM2 v8.2.1, historical version grid map, multiple zoom levels (PDF) - PDF grid map designed to be printed on 3 foot wide plotter paper. * DSM2 v8.2.1, historical version map package for ArcGIS Desktop: A map package for ArcGIS Desktop containing the grid map layers with symbology. * DSM2 v8.2.1, historical version grid map shapefiles (zip): A zip file containing the shapefiles used in the grid map. Change Log ----------------- 7/12/2022: The document "DSM2 v8.2.1, historical version grid map release notes (PDF)" was corrected by removing section 4.4, which incorrectly stated that the grid included channels 710-714, representing the Toe Drain, and that the Yolo Flyway restoration area was included.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version map package for ArcGIS Desktop",
    "format": "ArcGIS Desktop map package",
    "mediaType": "application/octet-stream",
    "description": "A map package for ArcGIS Desktop containing the grid map layers with symbology.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/45d3995f-ce9a-4a3f-81cc-710d15e1ad33/download/dsm2_8_2_1_grid_map_historical.mpk"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "A zip file containing the shapefiles used in the grid map.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/5b1ab459-bd4a-47af-900e-37d95a1b3e74/download/dsm2_8_2_1_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Bay-Delta monitoring stations",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "Approximate locations of monitoring stations in the Bay-Delta system. The attribute table fields are as follows:
id: CDEC style abbreviation
agency_id: the station id used by the data provider
name: the station name
lat: latitude from the data provider
lon: longitude from the data provider
x: UTM Zone 10 Nad83 easting, based on lon, modified to improve accuracy
y: UTM Zone 10 Nad83 northing, based on lat, modified to improve accuracy
d1641_id: The D1641 ID
wdl_id: The ID used by the DWR Water Data Library
cdec_id: The ID used by the California Data Exchange Center (CDEC)
agency: The name of the data provider
notes: Additional station information",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/c0a67d10-4cb5-40f1-b74c-3855eb8689a7/download/monitoring_stations.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - all layers, Arc GIS Desktop",
    "format": "ArcGIS Desktop map package",
    "mediaType": "application/octet-stream",
    "description": "Arc GIS Desktop map package containing all the layers for the DSM2 v8.2 calibrated model grid.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/770fcdae-68df-46b8-8a69-8f54ee40e4a8/download/dsm2_8_2_grid_map_calibrated.mpk"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - all layers, Arc GIS Pro",
    "format": "ArcGIS Pro map package",
    "mediaType": "application/octet-stream",
    "description": "Arc GIS Pro map package containing all the layers for the DSM2 v8.2 calibrated model grid.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/d297e353-e274-40e6-b14d-ac93b31b6d54/download/dsm2_8_2_grid_map_calibrated.mpkx"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 Grid 2025-05-28 historical shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "MSS South Delta changes
* Added additional Paradise Cut channels
* split some existing Paradise Cut channels, creating new channels.
Additional changes
* changed Tule Red connection from two channels with one weir each, to one channel with two weirs.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/3d78ef29-3744-4f47-a84b-ca60ee7077aa/download/dsm2_grid_2025_05_28_historical_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map, multiple zoom levels",
    "format": "PDF",
    "mediaType": "application/pdf",
    "description": "PDF grid map designed to be printed on 3 foot wide plotter paper.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/83ea01c3-d8a3-417e-bb7b-47ea4c412a13/download/dsm2_grid_8_2_1_historical_20210609.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - all layers, QGIS map package",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "QGIS map package containing all the layers for the DSM2 v8.2 calibrated model grid.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/40da0f70-fd2c-4e40-bf88-a8e9eb814c86/download/dsm2_8_2_0_calibrated_grid_map_qgis.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 Grid 2025-09-03 historical shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "Same as version "DSM2 Grid 2025-05-28 historical", with connection added from Franks Tract to Old River",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/b8c2485e-57f1-433d-a3cd-813f3efb3659/download/dsm2_grid_2025-09-03_historical_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - shapefiles for all layers",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "This is a zip file containing all the shapefiles that are contained in the map packages, except for the monitoring stations layer.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/e060d188-f1b0-4a1d-9e3a-4e87065a19ab/download/dsm2_8_2_0_calibrated_gridmap_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map release notes (updated 7/12/2022)",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/7d868ef3-40a5-496e-a4db-40187e4ba02e/download/dsm2georeferencedgridreleasenotes_update_20220712.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 FC.2023.01 grid map, multiple zoom levels",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/ec42e173-a191-4b77-80c1-bd16c8a120ab/download/dsm2_grid_fc_2023_01.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 FC.2023.01 grid map, single zoom level",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/f586f6a5-043c-4a3a-af33-5e70feefd08b/download/dsm2_grid_fc_2023_01_singlezoom.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map, single zoom level",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/fc1952e4-c666-4f1c-94ea-f7312899f2b8/download/dsm2_grid_8_2_1_historical_singlezoom_20210609.pdf"
  }
]
identifier 3ae75177-4dd1-4c96-b89d-95c7f9cbf4cb
issued 2020-05-13T18:08:21.685580
keyword 
                                            [
  "Channels",
  "DSM2",
  "Grid",
  "Model",
  "Nodes",
  "Shapefile",
  "california department of water resources"
]
modified 2026-01-20T17:55:24.403016
publisher 
                                            {
  "name": "California Department of Water Resources",
  "@type": "org:Organization"
}
theme 
                                            [
  "Natural Resources",
  "Water"
]
title DSM2 Georeferenced Model Grid

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