ESA - Eduspace DE - Globale Veränderungen - Gletscherdynamik

Küstenveränderung

Entwaldung

Bardia-Nationalpark Kongobecken Kameng-Sonitpur Kilimanjaro Rondonia Shillong und Guwahati

Eis

Antarctica 2003 Gletscher und Klimawandel Rückzug der Gletscher in den Alpen Gletscherbewegung Gletscherüber
wachung im Himalaya Fernerkundung von Eis und Schnee Untersuchung von Gletschern mit Radaraufnahmen

Urbanisierung

Cordoba Kairo Kathmandu Himalaya Kathmandu-Tal Lagos

Vegetation

Annapurna-Naturschutzgebiet Verschollen in den Anden Ngorongoro-Naturschutzgebiet Nigerbinnendelta Vegetation in Südamerika

Article Images

Gletscherdynamik

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Scheme of ice flow from the accumulation to the ablation area

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Scheme of ice flow from the accumulation to the ablation area. Snow that falls on the highest zones of a glacier has the longest and deepest travel path. It emerges again at the lowest point of the glacier tongue and is the oldest ice. Depending on the size and flow-speed of a glacier, the travel time of a snow and ice crystal from the accumulation area to the glacier tongue can take from tens to hundreds of years.

Credits: Andreas Kääb

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ASTER satellite image of 29 May 2002 showing glaciers in the Himalayas, at the border between Bhutan and Tibet (see GoogleEarth file location 1.6). Although this area lies in the subtropics, the glaciers survive. Ice flow transports the ice masses that develop around the cold, snow-rich mountain peaks to the warmer valleys, where it compensates for the intense ice melt.

Credits: NASA/ GSFC/METI/ERSDAC/JAROS, and the US/Japan ASTER science team

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Animation of two ASTER satellite images of the glacier

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Animation of two ASTER satellite images of the glacier in the ASTER image. The images are from spring and late autumn 2001. Do you see the glacier flow?

Credits: NASA/ GSFC/METI/ERSDAC/JAROS, and the US/Japan ASTER science team

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Close-up of animation

Credits: NASA/ GSFC/METI/ERSDAC/JAROS, and the US/Japan ASTER science team

Gletscherbewegung

Einführung

Hintergrund

Zeitversetzte Aufnahmen zueinander in Beziehung setzen

Übungen

Einführung zum Arbeitsblatt Übung (mit LEOWorks 3)

Eduspace - Software

LEOWorks 3

Eduspace - Download

ASTER.zip GoogleEarth file