U.S. Census Grids (Summary File 3), 1990
Entry ID: CIESIN_SEDAC_USCG_90SF3

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Summary
Abstract: U.S. Census Grids (Summary File 3), 1990 contain grids of demographic and socioeconomic data from the year 1990 U.S. census in ASCII and geotiff formats. The grids have a resolution of 30 arc-seconds (0.0083 decimal degrees), or approximately 1 square km. The gridded variables are based on census block geography from Census 1990 TIGER/Line Files and census variables (population, households, and housing variables). This data set is produced by the Columbia University Center for International Earth Science Information Network (CIESIN).

The data in American Standard Code for Information Interchange (ASCII) and Geographic Tagged Image File Format (GeoTIFF) formats are available from the NASA Socioeconomic Data and Applications Center (SEDAC).

Purpose: To provide gridded demographic data, including characteristics of income, education, and housing, for the United States for data integration.
Related URL
Description: Data download page.
Geographic Coverage
Spatial coordinates   
  N: 72.0   S: 17.0   E: -65.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Seirup, L., G. Yetman, and L. Razafindrazay
Dataset Title: U.S. Census Grids (Summary File 3), 1990
Dataset Release Date: 2012
Dataset Release Place: Palisades, NY
Dataset Publisher: NASA Socioeconomic Data and Applications Center (SEDAC)
Version: 1.00
Data Presentation Form: raster
Online Resource: http://sedac.ciesin.columbia.edu/data/set/usgrid-summary-file3-1990
Temporal Coverage
Start Date: 1990-04-01
Stop Date: 1990-04-01
Location Keywords
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Data Resolution
Latitude Resolution: 0.0083 Decimal degrees
Longitude Resolution: 0.0083 Decimal degrees
ISO Topic Category
Quality 1. The 1990 SF3 files for each state are loaded into Microsoft Access and queries are used to extract the records pertaining to census blocks and the fields being used for gridding.


2. The SF3 fields are combined as specified in the variable documentation to create the variables being gridded.

3. For all ... View entire text
Access Constraints None
Use Constraints Users are free to use, copy, distribute, transmit, and adapt the work for commercial and non-commercial purposes, without restriction, as long as clear attribution of the source is provided.
Data Set Progress
COMPLETE
Originating Center
Data Center
Socioeconomic Data and Applications Center Supplemental Info
Data Center URL: http://sedac.ciesin.columbia.edu/
Dataset ID: CIESIN_SEDAC_USCG_90SF3

Data Center Personnel
Name: SEDAC USER SERVICES
Phone: +1 845-365-8920
Fax: +1 845-365-8922
Email: ciesin.info at ciesin.columbia.edu
Contact Address:
61 Route 9W, P.O. Box 1000
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA
Distribution
Distribution Media: ONLINE HTTP
Distribution Format: ASCII
Fees: 0

Distribution Media: ONLINE HTTP
Distribution Format: GeoTIFF
Fees: 0
Personnel
Role: TECHNICAL CONTACT
Phone: +1 845-365-8920
Fax: +1 845-365-8922
Email: ciesin.info at ciesin.columbia.edu
Contact Address:
61 Route 9W, P.O. Box 1000
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA
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Publications/References
Seirup, L., and G. Yetman (2012), U.S. Census Grids (Summary File 1), 1990, NASA Socioeconomic Data and Applications Center (SEDAC), Palisades, NY, http://sedac.ciesin.columbia.edu/data/set/usgrid-summary-file1-1990
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2013-06-03
Last DIF Revision Date: 2013-11-25
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