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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | GISList: New global population density dataset |
| Date: |
11/23/2001 06:41:38 AM |
| From: |
Hugo Ahlenius |
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New global population density dataset:
As a user of the old CIESIN/ORNL Gridded Population of the World 1995 (GPW),
I just stumbled upon a new similar dataset, by the same people -- Landscan
2000.
This dataset is population density in approx. 1x1 km mapping units, mapped
and assessed using Census data, land cover, elevation, roads and nighttime
lights/satellite imagery.
Earlier global population data (such as GPW) had a patchiness in some places
after the mapping units, after administrative boundaries. This new dataset
avoids that, using a more continous way of data collection.
It states on the download page, in the readme, that the dataset is up for
review, and should be considered pre-release quality -- but it still seems
pretty good (not much competition though).
(Please note that I don't have any affiliation with CIESIN or ORNL)
// Hugo Ahlenius
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Hugo Ahlenius E-Mail: hugo@grida.no
Project Officer Phone: +47 3703 5713
UNEP GRID-Arendal Fax: +47 3703 5050
Service box 706, N-4808 Arendal Mobile: +47 9964 7071
Norway WWW: http://www.grida.no
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