Gridded Population of the World, Version 3 (GPWv3): Centroids
Entry ID: CIESIN_SEDAC_GPWv3_CENTROIDS

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Summary
Abstract: Gridded Population of the World, Version 3 (GPWv3) Centroids consists of estimates of human population counts and densities for the years 1990, 1995, 2000, 2005, 2010, and 2015 by administrative unit centroid location. The centroids are based on the 399,781 input administrative units used in GPWv3. In addition to population counts and variables, the centroids have associated administrative unit ... View entire text

Purpose: To provide a vector (point) version of the input administrative units used in GPWv3 for use in data integration.
Related URL
Description: Data download page.
Geographic Coverage
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Spatial coordinates   
  N: 79.89   S: -54.75   E: 179.85   W: -179.2

Data Set Citation
Dataset Originator/Creator: Center for International Earth Science Information Network (CIESIN)/Columbia University, and Centro Internacional de Agricultura Tropical (CIAT)
Dataset Title: Gridded Population of the World, Version 3 (GPWv3): Centroids
Dataset Release Date: 200512
Dataset Release Place: Palisades, NY
Dataset Publisher: NASA Socioeconomic Data and Applications Center (SEDAC)
Version: 3.00
Data Presentation Form: vector, tabular
Online Resource: http://sedac.ciesin.columbia.edu/data/set/gpw-v3-centroids
Temporal Coverage
Start Date: 1990-07-01
Stop Date: 1990-07-01
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Location Keywords
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Data Resolution
Latitude Resolution: 0.5 degree
Longitude Resolution: 0.5 degree
Horizontal Resolution Range: 50 km - < 100 km or approximately .5 degree - < 1 degree
Temporal Resolution: Monthly
Temporal Resolution Range: Monthly - < Annual
Use Constraints The distribution of this data set is funded by NASA's Earth Science Enterprise (ESE). The data are not copyrighted; however, we request that when you publish data or results using these data, please acknowledge as follows:

The data used in this study were acquired as part of the Tropical Rainfall Measuring Mission (TRMM). The algorithms were ... View entire text
Data Set Progress
IN WORK
Originating Center
Data Center
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA Supplemental Info
Data Center URL: http://disc.gsfc.nasa.gov/

Data Center Personnel
Name: GES DISC HELP DESK SUPPORT GROUP
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Distribution
Distribution Media: Online (HTTP)
Distribution Size: Compressed: ~27 MB; Original: ~36 MB
Distribution Format: HDF
Fees: No Fee
Personnel
Role: TECHNICAL CONTACT
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
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Publications/References
Tropical Rainfall Measuring Mission Science Data and Information System (TSDIS) Interface Control Specification Between the TSDIS and the TSDIS Science User (TSU)
Volume 3: File Specifications for TRMM Products - Level 1.
Volume 4: File Specifications for TRMM Products - Level 2 and Level 3.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2005-12-01
Last DIF Revision Date: 2011-12-22

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