Best-ever topographic map of Earth released

manumuskin

manumuskin

Piney
Jul 20, 2003
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millville nj
www.youtube.com
Teegate said:
There is a link in the article where you can access the maps. It appears you need to click on the "Get Data" link at that site to get what you need to acquire the topo's. Lets us know how you make out.

http://www.msnbc.msn.com/id/44938627/ns/technology_and_science-science/#.Tp1EYXNbbBR

The link to the maps if you don't want to read the article. I suggest you do though.

https://lpdaac.usgs.gov/

Guy
Click to expand...
must've used a GOES satellite to do it.they orbit at the equator and cannot see the poles.they have other satellites that orbit much lower and circle at the poles,forget what their called but they are much closer to the ground.

I've been trying to figure it out for fifteen minutes.Don't know where to go or what to do.Typical government.make it available but don't make it easy.
 
Boyd

Boyd

Administrator
Staff member
Site Administrator
Jul 31, 2004
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2,810
Ben's Branch, Stephen Creek
I just took a fast look at this... but I don't think it offers anything much for us here in NJ. The MODIS imagery is available as 250/500/1000 meters per pixel. That is really low resolution - consider that the NJ 2007 orthoimagery is 1 foot per pixel.

The ASTER DEM data is 15/30/90 meters per pixel. The 1/9 arc second LIDAR DEM that I have written about has a resolution of 3 meters per pixel.

But this should be a good resource for other parts of the world where high quality USGS data isn't available, and maybe there are some other things about it that make it especially useful for specific purposes.
 
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