Using Sentinel-2 for crop monitoring
Sentinel-2 is the optical satellite of the Copernicus programme. It can be compared to Landsat, although it has a better resolution, of 10 to 20 meters. We’ll be…
Category: Data
How to create mountain ranges in QGIS?
Last time we had the task to create mountain ranges polygons for the whole world. I prepared a small tutorial referred to that. Maybe you can find something…
Import OSM Data Into A PostGIS Database (The Easy Way)
I often find myself in a situation where I want to work with large areas and datasets of OpenStreetMap data. No matter if you want to use them…
From Cloud to GIS: Getting Weather Data.
Introduction In this post we are going to look at how to get weather forecast data and display it as a layer in a desktop geographical information system…
A not complete list of WFS/WMS Catalogs
I am more the offline data user but when it comes to the question “Where can I get my data from?”, Web Feature Services (WFS) are a great…
Extracting information from Sentinel-1
SAR images can see through clouds and in darkness, and are therefore very useful for operational monitoring of our seas. Detecting ships, icebergs, wind patterns, and oil spills…
ERDDAP: Diving into a Data Ocean
Data Lakes has become a popular term in the Big Data community. It’s used to refer to a large storage repository and processing engine. However there is now…
Downloading Sentinel satellite imagery
Sentinel is the buzzword for a series of Earth observation missions like Sentinel-1 (Land and Ocean monitoring,launched in April 2014), Sentinel-2 (land monitoring, launched in June 2015) and…
Adding projection data to ENVI headers (GIMMS 3g example)
Once in a while you may need to take an unprojected file and add coordinate parameters to the header. Assuming you use ENVI, the hard way is to…
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…
Show your Photos in QGIS and ArcGIS: a small example
Hi guys. Once again I found an interesting question in our Geoscientists group on facebook. One user wanted to show her photos in QGIS as she is it…