Adminstrative
boundaries

California boundaries *
Download from California Spatial Information Library (CaSIL) Also icludes administrative, cultural, political, physical, and transportation geospatial data.

U.S. Census Bureau boundary files
Download from U.S. Census Bureau or from ESRI

Bathemetry

CDFG bathemetry data (CA only)

NGDC Bathymetry, Topography and Global Relief Page

Biological Data

Predicted dist. for terrestrial vertebrate species (CA only)
Download from CalGAP Project at UCSB

Climate

Historical Climate Station Data *
Download from United States Historical Climatology Network via FTP.

PRISM Climate Data Layers *
Download from Spatial Climate Analysis Service.

Precipitation Zones: Mean Annual 1900-1960
Download from CDF-FRAP

Census data
Download from CDF-FRAP

Bioregions
Download from CDF-FRAP

Jepson ecological region boundaries of California
Download from CalGAP Project at UCSB

Burn Severity Datasets *
Download from NPS-USGS National Burn Severity Mapping Project

Fire Perimeters and other fire data for California
Download from CDF-FRAP

Fire Data
Download from the U.S. Fish & Wildlife Service.

NOAA-CCAP Land Cover data, 2000
Extent: Coastal California counties
Resolution: 30 meters
Download from NOAA-CCAP.

Multi-source Land Cover Data, 2002 (coming soon for 2006)
Extent: Califoria
Resolution: 100 meters
Download from CDF-FRAP.

California GAP Analyais Project's LANDCOV dataset
Extent: Califoria
Minimum mapping unit (MMU): 40-100 acres
Download from CalGAP Project at UCSB.

LANDFIRE Existing Vegetation, 2005
Extent: U.S.
Resolution: 30 meters
Download from LANDFIRE.
See GIIF for attribute information for the Existing Vegetation Type (EVT).

National Land Cover Dataset (NLCD)
Extent: U.S.
Resolution: 30 meters
Download via FTP from MRLC-USGS.

LCMMP Vegetation Data
Extent: Califoria
Minimum mapping unit (MMU): 2.5 acres
Download from CDF-FRAP.

Land cover change data
Extent: Califoria
Download from CDF-FRAP.

Calveg 1977 data
Extent: Califoria
Minimum mapping unit (MMU): 400 acres
Download from CDF-FRAP.

Vegetation (hardwood, rangeland, coastal redwood, etc.)
Extent: Califoria
Download from CDF-FRAP.

Global Change Master directory
Download from NASA.

Land stewardship & management status of Calif.
Download from CalGAP Project at UCSB

Digital Elevation Models (DEM) *
Download from BARD (SF Bay only), CaSIL (CA only), CSU Northridge Geography Dept (CA only), CU Boulder, USGS, USGS Seamless Data Server, or GIS Data Depot.

Shaded Relief
Download from CalGAP Project at UCSB (CA only)

Digital Topographic Maps/ Digital Raster Graphics (DRGs)
Download from Topowest, BARD (SF Bay only), CaSIL (CA only), orCDFG (CA only), or order from USGS or GIS Data Depot

LiDAR data of Napa County, Eel River Watershed, and other locales
Download from NCALM @ UC Berkeley

U.S. TIGER line street files
Download from U.S. Census Bureau or from ESRI

Major California roads
Download from CaSIL, CalGAP Project, BARD (for SFF Bay only), or Bureau of Transportation Statistics

TeleAtlas roads
Use from ESRI Data & Maps discs; see GIIF for CDs or DVDs.

Bay Area roads and highways, transit, etc.
Download from Metropolitan Transportation Commission.

Watershed Data
Download from CDF-FRAP

Watershed boundaries (CALWATER, Hydrologic basins, etc.)
Download from CDF-FRAP, CaSIL, EPA

Hydography, Rivers & Streams
Download from BARD (SF Bay only), GIS Data Depot, CDF-FRAP

San Francisco Estuary Institute data
Download from SFEI.org

NOAA-CCAP Land Cover data, 2000
Extent: Coastal California counties
Resolution: 30 meters
Download from NOAA-CCAP.

NWI's Wetland Mapper, Digital Data
Download from Fish & Wildlife Service.

Daily Surface Weather and Climatalogical Summaries
Download from DAYMET.

Wind data
Download from National Renewable Energy Laboratory.

Weather station data
Download from CIMIS.

Satellite & Airborne Imagery

Global Land Cover Facility *
Download from Earth Science Data Interface

CalView Landsat 7 imagery *
Download from CaSIL

USGS Landsat 7 imagery *
Download from CaSIL

Landsat 5 and 7 Data Holdings by Path/Row *
Download from EarthExplorer USGS or Glovis USGS.
Download from OhioView (global)

Landsat TM of California
Download from CalGAP Project at UCSB

SPOT Images
Download/order from Sirius, or from CaSIL or CDFG (CA only)

Various satellite imagery
Link from U.S. Fish & Wildlife Service

ImageNet
Order archived Landsat, SPOT, and many other types from ImageNet

ASTER & MODIS data
Download from USGS.

AVIRIS hyperspectral airborne data
Download from JPL, NASA.

SF Bay

Association of Bay Area Governments

Bay Area Automated Mapping Association (BAAMA)

Bay Area Regional Database (BARD)

San Francisco Estuary Institute data
Download from SFEI.org

Bay Area Roads & Transit
Download from Metropolitan Transportation Commission (MTC)

SF Ports - Wind data

Water Quality Data with GPS Locations *
Download from Bay-Delta and Tributaries Database (BDAT)

Counties:
Contra Costa County GIS
Marin County GIS: County website, MarinMap.org
San Francisco County GIS
Sonoma County GIS

Other California county websites: http://www.coordinatedlegal.com/gis.html

California Spatial Information Library (CaSIL)

US Forest Service, Region 5 GIS Data Clearinghouse

California Dept. Forestry-Fire Resource Assessment Program (CDF-FRAP)

California GAP Analysis Project

California Environmental Resources Evaluation System (CERES) (search by organization, by geographic area, by theme, or by data type)

GIS Data Depot

Environmental Protection Agency (EPA), Northern California

Central Coast Joint Data Committee

Northern California GIS Data Links

Berkeley/Penn Urban & Environmental Modeler's Datakit
Data compiled by the Institute of Urban and Regional Development (IURD) at the University of California, Berkeley.
This data compilation contains ESRI shapefiles and grids describing many of the physical, administrative, transportation, demographic, economic, land use and land cover, and environmental characteristics of the 48 contiguous United States.

Download shapefile data from the Berkeley/Penn project
Download raster data from the Berkeley/Penn project


Multi-Resolution Land Characteristics Consortium (includes EPA, NOAA, USFS, USGS, LANDFIRE, BLM, NRCS, NPS, NASA, USFWS). Good websites include:
http://www.epa.gov/mrlc/data.html
http://www.mrlc.gov/index.asp
http://seamless.usgs.gov/

USGS Seamless Server

USDA Geospatial Data Gateway

National Atlas

USGS Eros Data Center
http://edc.usgs.gov
http://edcw2ks15.cr.usgs.gov/fgdc/EDCgateway.html

U.S. Fish & Wildlife Service

DIVA-GIS website: very good data sources international countries

• Global Administrative Boundaries

DIVA-GIS website: very good global data sources