[Location: Location_Category='CONTINENT', Location_Type='SOUTH AMERICA', Location_Subregion1='BOLIVIA']
Global Rural-Urban Mapping Project, Version 1 (GRUMPv1): Urban Extents Grid
Entry ID: CIESIN_SEDAC_GRUMPv1_EXT

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Summary
Abstract: The Global Rural-Urban Mapping Project, Version 1 (GRUMPv1) consists of estimates of human population for the years 1990, 1995, and 2000 by 30 arc-second (1km) grid. The urban extent grids distinguish urban and rural areas based on a combination of population counts (persons), settlement points, and the presence of Nighttime Lights . Areas are defined as urban where contiguous lighted cells from ... View entire text

Purpose: To provide a raster representation of urban areas (or urban mask) for use with GRUMP population grids or other data sets.
Related URL
Link: GET DATA
Description: Data download page.

Link: GET RELATED VISUALIZATION
Description: Maps in PDF and PNG formats.
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: 85.0   S: -58.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Center for International Earth Science Information Network (CIESIN)/Columbia University, International Food Policy Research Institute (IFPRI), The World Bank, and Centro Internacional de Agricultura Tropical (CIAT)
Dataset Title: Global Rural-Urban Mapping Project, Version 1 (GRUMPv1): Urban Extents Grid
Dataset Release Date: 2011
Dataset Release Place: Palisades, NY
Dataset Publisher: NASA Socioeconomic Data and Applications Center (SEDAC)
Version: 1.00
Data Presentation Form: raster, map
Online Resource: http://sedac.ciesin.columbia.edu/data/set/grump-v1-urban-extents
Temporal Coverage
Start Date: 1995-07-01
Stop Date: 1995-07-01
Location Keywords
CONTINENT > AFRICA > NORTHERN AFRICA > ALGERIA
CONTINENT > AFRICA > CENTRAL AFRICA > ANGOLA
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Science Keywords
ISO Topic Category
Access Constraints Public
Ancillary Keywords
Originating Center
UNEP/EAD/GRID - Geneva
Data Center
Global Resource Information Database - Geneva, Division of Early Warning and Assessment, United Nations Environment Programme Supplemental Info
Data Center URL: http://www.grid.unep.ch/

Data Center Personnel
Name: HY DAO
Phone: 41-22-917-82-25
Fax: 41-22-917-80-29
Email: Hy.Dao at unep.org
Contact Address:
Head of Metadata & Socio-Economics Unit
City: Geneva
Postal Code: 1219
Country: SWITZERLAND
Personnel
HY DAO
Role: TECHNICAL CONTACT
Phone: 41-22-917-82-25
Fax: 41-22-917-80-29
Email: Hy.Dao at unep.org
Contact Address:
Head of Metadata & Socio-Economics Unit
City: Geneva
Postal Code: 1219
Country: SWITZERLAND
Creation and Review Dates
Last DIF Revision Date: 2006-05-26

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