Glossary

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Indian Space Research Organization (ISRO)

Indian Space Research Organization

Institut de Recherche pour le Développement (IRD)

The IRD (Institute for Research and Development) is a French public science and technology research institute under the joint authority of the French ministries in charge of research and overseas development.

Institut Géographique National (IGN)

French National Geographic Institute

Interferometry

Each point of a radar image gives amplitude and phase information depending on the distance between the sensor and the observed point. An interferogram shows the phase difference between two images, highlighting ground movements of just a few millimetres between acquisitions.
The resulting ground deformation maps have many applications, including the study and monitoring of volcanoes, earthquakes and landslides.

Interoperability

Interoperability describes the ability of independent, heterogeneous systems to collaborate in the most harmonious way possible in order to exchange or deliver information to users in a simple and efficient manner. This is generally achieved through the adoption of common standards.