Services Directory - Total_Population

Total_Population_counts (Map Service)

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Current Version: 10.81

Service Description:

The population count grids contain estimates of the number of person per grid cell. A proportional allocation gridding algorithm, utilizing more than 300,000 national and sub-national administrative units, is used to assign population values to grid cells. The population count that the grids are derived from are extrapolated based on combination of subnational growth rates from census dates and national growth rates from United Nations statistics.

GPWv3 is produced by the Columbia University Center for International Earth Science Information Network (CIESIN) in collaboration with Centro International de Agricultura Tropical (CIAT). Available at SEDAC (NASA Socieconomic Data and Applications Center) - hosted by CIESIN at Columbia University.

Center for International Earth Science Information Network (CIESIN)/Columbia University, United Nations Food and Agriculture Programme (FAO), and Centro Internacional de Agricultura Tropical (CIAT). 2005

Map Name: Layers

Legend

All Layers and Tables

Layers:

Total Population counts(0)

Tables:

Description:

Copyright Text: CIESIN, CIAT

Spatial Reference:
102100

Single Fused Map Cache: true

Capabilities: Map,TilesOnly

Tile Info:

Height: 256
Width: 256
DPI: 96
Levels of Detail: (# Levels: 20)

Level ID: 0 [Start Tile, End Tile]
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Level ID: 17 [Start Tile, End Tile]
Level ID: 18 [Start Tile, End Tile]
Level ID: 19 [Start Tile, End Tile]

Format: PNG
Compression Quality: 0
Origin:
Spatial Reference:
102100

Initial Extent:

Full Extent:

Min Scale: 1.47914381897889E8
Max Scale: 288895.277144

Min LOD: 2
Max LOD: 11

Units: esriMeters

Supported Image Format Types: PNG

Export Tiles Allowed: false
Max Export Tiles Count: 100000

Document Info:

Title: Global Total Population
Author: j.d.hoyos_CIAT
Comments:
Subject: Total population of the world, version 3 (GPWv3)- Estimate of human population for the year 2005 by 2.5 arc-minute grid cells and associated data sets dated CIRCA 2000.
Category:
Keywords: population, counts