Speckle filtering
Speckle is a common phenomenon in SAR data, which has its origin in the radar image acquisition principles. In almost all applications in geosciences speckle…
Resource Spectrum: Radar
Polarimetry
The lesson “PolSAR” deals with the nature of electromagnetic waves and polarization as basic features to describe and analyze objects on the Earth’s surface. Basics…
Radargrammertry
The term “Radargrammetry” describes a group of methods and techniques that analyzes Radar images under consideration of differing viewing angles. Thereby, the benefits of stereoscopic…
Subsidence monitoring (NEST)
In this tutorial you learn how to monitor the behavior of the Earth’s surface due to underground hard coal mining activities with SAR data. The…
SAR Imaging
This is a very important Lesson on the way to understand how a Radar image is detected and how a Radar works! The module “SAR…
Image focusing with Python
Raw Synthetic Aperture Radar (SAR) data in its uncompressed form has to be focused in order to be used for further processing steps, e.g. the…
InSAR Basics
This lessons introduces a vastly used technology called “Radar Interferometry” (InSAR). The presentation procures information about the development of InSAR as an analysis tool in…
InSAR Error Sources
The lesson “InSAR Error Sources” deals with factors that influence the accuracy of the interferometric phase. The vastly used parameter “Interferometric Coherence” is introduced and…
Image focusing with MATLAB
Raw Synthetic Aperture Radar (SAR) data in its uncompressed form has to be focused in order to be used for further processing steps, e.g. the…
Digital Image Processing
The module “Digital Image Processing Basics” contains a set of slides that might come in handy for teaching and learning the very basics of the…
Agriculture
The module “Agricultural Applications with SAR Data” provides information about the potentials and limitations of SAR data for farming activities. Relevant sensor and target parameters…
Cryosphere – Basics
This lesson presents the physical principles of the interaction between the radar signal and snow. It is dealing with the influence of different surface conditions…
Snow Cover
The lesson on snow cover shows different approaches to map snow cover extent/snow covered area (SCA) from SAR, e.g. from SAR amplitude imagery and coherence.…
Glaciers & Ice Sheets
In this lesson you learn about different applications of SAR data for derive geophysical variables and products over glaciers and ice sheets. The manifold applications…
Sea Ice + Icebergs
This lesson describes the basic principles and algorithms to map sea ice concentration and other parameters from SAR. The presented applications are ranging from sea…
Permafrost
This lesson illustrates different applications of SAR for permafrost mapping. It is presenting application examples for research on freeze-thaw cycles, methane emission and permafrost related…
Hydrosphere
This lesson introduces water as the key variable in the hydrosphere of the Earth. It gives insights into the distribution of water on Earth and…
Soil Moisture
This lesson gives an overview of the properties of soil and soil moisture. The relevant physical basics for soil moisture measurements and existing approaches for…
Hydrosphere Applications
The application potential of Radar Remote Sensing in the hydrosphere expands far beyond soil moisture retrieval. In this lesson measurement techniques for Wetlands, Water bodies,…
Sensors, Missions & Data
This lessons gives a short review of existing radar sensors, both active and passive, used in hydrospheric applications. Furthermore, recent satellite missions carrying these sensors…
Lithosphere
This lesson introduces you to the application of SAR interferometry and advanced InSAR time-series methods (Persistent scatterer – PS, Small BAseline Subset – SBAS) to…
Surface Waves
This lesson introduces into the physical background of surface waves and their creation. SAR mechanisms for imaging waves are presented and measurement techniques are explained.
Oceanography
The introduction to oceanographic applications with SAR data gives a broad overview of the topic. It introduces various fields of application, gives hints on further…
Surface Wind
The lesson “Surface Wind” gives insights into mechanisms of Sea surface wind and its impact on the water surface. The concept of empirical geophysical wind…