ESA - Eduspace EN - Global Change - Synthetic Aperture Radar (SAR)

15-Jul-2025

Coastal change

Danube Delta change detection Oil spills

Deforestation

Bardia National Park Congo River Basin Kameng-Sonitpur Elephant Reserve Kilimanjaro Rondonia Shillong and Guwahati

Ice

Antarctica 2003 Climate change and glaciers Glacier analysis using radar imagery Glacial retreat in the Alps Glacier Ice Flow Monitoring of glaciers in the Himalayas Remote sensing of ice and snow

Urbanisation

Cairo City of Kathmandu Córdoba Himalayas Kathmandu Valley Lagos

Vegetation

Annapurna Conservation Area Lost in the Andes Ngorongoro Conservation Area Niger Inland Delta Vegetation in South America

Article Images

Synthetic Aperture Radar (SAR)

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Photo of the Gruben area in the Swiss Alps

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North is to the left. For location and orientation, see the GoogleEarth file location 3.3.

Credits: Andreas Kääb

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North is at the top, meaning the viewing direction from above is from left to right on the interferogram. The interferogram displays the phase differences as the distances from the satellite to the ground on 7 and 8 March 1996, as measured by the ERS SAR sensor.

Credits: T. Strozzi, GAMMA Remote Sensing, Switzerland

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Topography-only interferogram simulated from a digital elevation

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Black areas are removed because the terrain is too steep in these areas to be properly seen in the SAR images.

Credits: T. Strozzi, GAMMA Remote Sensing, Switzerland

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Credits: T. Strozzi, GAMMA Remote Sensing, Switzerland

Glacier analysis using radar imagery

Introduction

Background

Radar

Exercises

Worksheet introduction Exercise 1: Multitemporal radar and multispectral optical data Exercise 2: The influence of weather conditions on radar imagery Conclusions

Eduspace - Software

LEOWorks 4 (MacOS)LEOWorks 4 (Windows)LEOWorks 4 (Linux)

Eduspace - Download

Images_Glaciers.zip GoogleEarth file