Observing deforestation with Sentinel-1
While preparing for an upcoming presentation at the annual meeting of the American Geophysical Union (AGU) I came across a topic that I thought might make an interesting blog…
Tag: Radar
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: SRTM 1 Data Worldwide
The digital elevation dataset resulting from the SRT Mission in the year 2000 is probably the most widely used digital elevation dataset in the world. It was first…
Freeware SAR processing, Part II: PolSARPro
In this post I’ll take you through some simple functions in the freeware polarimetric SAR processing package, PolSARPro. The software is distributed by the European Space Agency (ESA)…
Freeware SAR processing (Part 1.)
One thing about working with synethic aperture radar (SAR) data is that regular image processing functions are often unsuitable. This is because most processes were design to deal…
What is the synthetic aperture in “Synthetic Aperture Radar” (SAR)?
Talking to a colleague recently about monitoring changes to the magrove forest of the Rufiji Delta in tanzania, he commented on the relative scarcity of satellite data over…
Free Sources of Geospatial Raster Data
I’m always looking for good sources of free data, so I thought I would post a few here in case they were useful to others. The sources listed…