GDEM V3 vs SRTM 1: a comparison
Some time has past since I last wrote a DEM comparison, comparing ALOS World with SRTM 1 and GDEM V2 with SRTM 3. But as NASA and METI…
Tag: SRTM
ALOS World 3D V1.1 vs. SRTM1
Some days ago a new version of the ALOS 30m DEM was released: Void pixels due to clouds and snow pixels within 60 deg. of north and south…
Beautiful Watershed Polygons in QGIS
As the title sugests I am showing you, how to create beautiful watershed polygons. We will start with some raster files and use a nice GRASS tool for…
Comparing ALOS Global Digital Surface Model “ALOS World 3D – 30m” with SRTM 1
The last post with the focus on recent data for your work when it comes to DSMs or DEMs was a bit early honestly. I was working with…
Short Announcement: “Quality Check” on SRTM1
Well, I was expecting this. Damn, those new SRTM1 raster files provided via EarthExplorer by the USGS are sweet. You can download them right away just by creating…
SRTM-1 (1 Arc second) now available with large global coverage
With this post I would like to come back on a topic from September 2014. In this blog post on Digital-Geography I announced that from September 2014 until…
Raster Comparison using ArcGIS
In one of the biggest groups of geoscientists in Germany, Austria and Switzerland the question arose how to do a raster comparison in ArcGIS. I’ve already mentioned some…
DEM comparison: SRTM 3 vs. ASTER GDEM v2
Let’s get ready to rumble! No, just kidding. We are all excited about the recent message from the white house: SRTM “1” (1 equals 1 arcsecond, whereas 3…
Announcement: Realease of worldwide high-resultion SRTM-data (30m)
The White House announced on September 23th during the United Nations Heads of State Climate Summit in New York that they are going to release the high-resolution images…
short announce: Reverb @NASA the new WIST
Sorry to talk about this important tool with a little delay. As I was lecturing at the university I was using the Warehouse Inventory Search Tool (WIST) by…
Innovative SRTM Download
It’s been a couple weeks since I’ve posted here, but I just found something I wanted to pass along. If you work with geospatial data, you are probably…