[Location: Location_Category='OCEAN', Location_Type='INDIAN OCEAN', Location_Subregion1='COMOROS']
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
Link: GET DATA
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
CONTINENT > AFRICA > NORTHERN AFRICA > ALGERIA
CONTINENT > AFRICA > CENTRAL AFRICA > ANGOLA
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Data Resolution
Latitude Resolution: 0.25 deg.
Longitude Resolution: 0.25 deg.
Horizontal Resolution Range: 10 km - < 50 km or approximately .09 degree - < .5 degree
Vertical Resolution: Approx 80 km (atmospheric column)
Vertical Resolution Range: Vertical Resolution Ranges
Temporal Resolution: Approx one day
Temporal Resolution Range: Hourly - < Daily
Science Keywords
ISO Topic Category
Platform
AURA > Aura Ancillary Description
Instrument
OMI > Ozone Monitoring Instrument Ancillary Description
Project
Quality The 'version 003' product is the second public release. It is based on
improved radiance calibration. For details, please see document:
http://www.cfa.harvard.edu/~tkurosu/SatelliteInstruments/OMI/PGERel...
Use Constraints This Data set (version 003/second public release) is better than
the earlier version but it is not fully validated yet. Before using it
... View entire text
Ancillary Keywords
Originating Center
OMI SIPS
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/
Dataset ID: OMHCHOG

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
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Distribution
Distribution Media: FTP
Distribution Size: Approx 55 MB per file
Distribution Format: HDF-EOS5
Fees: None
Personnel
KELLY CHANCE, PH. D
Role: INVESTIGATOR
Phone: 617-495-7389
Fax: 617-495-5439
Email: kchance at cfa.harvard.edu
Contact Address:
Harvard-Smithsonian Center for Astrophysics
60 Garden Street
Mail Stop 50
City: Cambridge
Province or State: MA
Postal Code: 02138
Country: USA
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Publications/References
Ahmad, S. P., P. F. Levelt, P. K. Bhartia, E. Hilsenrath,
G. W. Leppelmeier, and J. E. Johnson, Atmospheric Products from the
Ozone Monitoring Instrument (OMI), Proceedings of SPIE conference on
Earth Observing Systems VIII, San Diego, California, Aug 3-8,
2003. http://disc.sci.gsfc.nasa.gov/acdisc/ozone/docs/omi-spie-2003.doc

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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2008-07-09
Last DIF Revision Date: 2013-04-29

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