[GRASS-user] Lights at night data
Hamish
hamish_b at yahoo.com
Thu Oct 27 00:57:05 EDT 2011
Marco Girardello wrote:
> I was wondering whether you you have any suggestions on
> where to find geospatialdata on lights at night. I have
> managed to find some the excellent time series data available
> on the NOAA website:
>
> http://ngdc.noaa.gov/dmsp/downloadV4composites.html
interesting,
> The dataset is available at a resolution of 1km, but I
> would be interested in something at a higher resolution
> (possibly 100m) for the Europe/ the UK. I would interested
> in either time series data or shapshots taken over a certain
> period of time. Any help would be greatly appreciated!
for the Night on Earth images seen here,
http://grass.osgeo.org/screenshots/raster.php
there is:
http://visibleearth.nasa.gov/view_rec.php?id=1438
more here:
http://sos.noaa.gov/datasets/Land/nightlights.html
I suspect you won't be able to find 100m resolution for that,
but if you have a local need you might be able to reconstruct
what they did with nighttime satellite images, but maybe you
need a wide cumulative exposure to make it work well.(?)
Hamish
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