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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: GISList: New global population density dataset |
| Date: |
11/27/2001 02:36:31 AM |
| From: |
Hugo Ahlenius |
|
|
| -----Original Message-----
| From: Dimitri Rotow [mailto:dar@manifold.net\
| Sent: Monday, November 26, 2001 21:33
| To: Gislist (E-mail)
| Subject: RE: GISList: New global population density dataset
| What's the URL?
Sorry! I forgot that:
http://sedac.ciesin.org/plue/gpw/landscan/
The entire e-mail is at the bottom.
// Hugo Ahlenius
-------------------------------------------------------------
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
-------------------------------------------------------------
| 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
|
|
| -------------------------------------------------------------
| 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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