Tags » SRTM

Near-global coverage of 1 arc second SRTM is becoming available

The near-global SRTM digital elevation model has been an extremely valuable data set for many years now. That data set has a resolution of 3 arc seconds, equalling roughly 90 m. 701 more words

Remote Sensing

Elevation Services. For Analysis. For Real.

Recent updates in Esri’s World Elevation¬†Service¬†had me wondering, how does this service compare to other datasets out there, most notably the popular 90m… 564 more words

The Nile River Basin from SRTM data

Someone asked the other day whether the cross-platform, free and open-source GIS Whitebox GAT can handle watershed delineation from massive, regional-scale DEMs. They had a particular interest in the Nile River basin. 448 more words