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    •  ozeanversauerung.jpg Ocean Acidification
    •  meereis.jpg Sea ice
    •  permafrost.jpg Permafrost
    •  muell_im_meer2.jpg Marine Litter
    •  201207072012_Kelpwald1_Duene_UNettelmann_UweNettelmann.jpg North Sea
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    • Symbolbild Klimamodellierung 20161215_Icon_Klimamodellierung_011_MartinKuensting_AWIGrafik.jpg Polar Predictions
    • Das AWI-Forschungsflugzeug Polar 6 bei der ersten Messkampagne des Ultra-Breitband-Eisradars, dessen Antennen unter dem Rumpf und den Flügeln montiert sind. Auf dieser Aufnahme fliegt das Flugzeug über den 79-Grad-Nordgletscher in Grönland. Deutlich zu erkennen sind die Schmelzwasserseen auf der Gletscheroberfläche. 20160811_Ultrabreitband_Radar002_TobiasBinder.jpg Ice Sheets
    • AWI-Meereisphysikers arbeiten auch bei auffrischendem Wind und zunehmender Schneedrift auf dem Meereis.


Polarsternexpedition ANT-XXIX/6; 8. Juni - 12. August 2013; Kapstadt-Punta Arenas
Ziel der Expedition: Ein interdisziplinäres Forschungsprogramm in Atmosphäre, Meereis, Ozean und Ökosystem im antarktischen Winter, um die physikalischen und biogeochemischen Eigenschaften und Prozesse während der Wachstumsphase des Meereises besser zu verstehen. Fahrt war die erste antarktische Winterexpedition seit dem Jahr 2006. (Kurs wie im Winterexperiment 1992) 


English

AWI sea-ice physicists are working on the sea ice, while the wind is acclerating and the snow drift is increasing.

Polarsternexpedition ANT-XXIX/6; 8. June - 12. August 2013; Cape Town -Punta Arenas (Chile); The aim of the cruise is to carry out an interdisciplinary research programm on atmosphere, sea ice, ocean, and ecosystem during winter to obtain an understanding of physical and biogeochemical properties and processes during the sea ice growth season. It was the first Antarctic winter expedition since the year 2006.


 20130624_ANT29_6_052_StefanHendricks.jpg MOSAiC Expedition
    • Frühlingseinzug und Schnee- bzw. Gletscherschmelze am Kongsfjord (Küste südlich Feiringfjellet) Spitzbergen. 

Aufnahme des Stationsingenieurs René Bürgi aus dem AWIPEV-Überwinterungsteam 2015-16

English:


Spring has finally arrived in Ny-Ålesund, Spitsbergen. With the warming temperature the snow and the glaciers have started to melt, forming many meltwater streams, which run into the fjord.

Photo made by Renè Bürgi, member of the AWIPEV overwintering team 2015-16.

 20150531_Fruehlingsschmelze_Kongsfjord_023_RBuergi.jpg IPCC Special Report on the Ocean and Ice – a preview
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  • // Ice Sheets

Glaciers and Ice Sheets

  • Melting ice – flooded shores

    Which islands and coastal regions of our planet will remain inhabitable in the future primarily depends on the intensity of ice mass loss in Greenland and the Antarctic. AWI researchers are currently using satellites to determine the status of these ice sheets

  • Das AWI-Forschungsflugzeug Polar 6 bei der ersten Messkampagne des Ultra-Breitband-Eisradars, dessen Antennen unter dem Rumpf und den Flügeln montiert sind. Auf dieser Aufnahme fliegt das Flugzeug über den 79-Grad-Nordgletscher in Grönland. Deutlich zu erkennen sind die Schmelzwasserseen auf der Gletscheroberfläche.

    Now we have the perfect prescription

    With the aid of our new ultra-wideband ice radar, AWI glaciologists can scan glaciers and ice sheets from top to bottom.  Angelika Humbert and Tobias Binder explain how this technology works

  • Um zwei Uhr nachts binden AWI-Wissenschaftler Tore Hattermann (rot) und Levin Probst (blau) Termistokabel zusammen, die nach Abschluss der seit Stunden laufenden Bohrung im Bohrloch verankert werden müssen.

    E-mails from the Filchner Ice Shelf

    The fate of our world’s coasts will be decided in the Antarctic, where huge ice shelves have to date prevented gigantic inland ice masses from pouring into the ocean and raising the sea level. AWI researchers have placed instruments directly below the Filchner-Ronne Ice Shelf

  • Greenland's Ice Conveyor Belt

    To better understand the ice flows scientists  drill through an ice stream for the first time - with the aid of a pioneering ice camp and methods.

     

Greenland

Ice really is a hot commodity

AWI glaciologist Ilka Weikusat talks about drilling through a fast-flowing Greenland ice stream for…

Infografik: Vergleich der Meereisbildung und Strömungsverhältnisse vor und unter dem Filchner-Ronne-Schelfeis heute und in der Zukunft

Oceanography

How warm water masses threaten the ice…

How the ocean‘s heat is threatening the Filchner-Ronne Ice Shelf

Die Heißwasser-Bohrung durch das Filchner-Schelfeis läuft und darf bis zum Durchbruch nicht unterbrochen werden. Anderenfalls gefriert das Wasser in den Leitungen und Rohren sofort.

Glaciology

How hot-water drilling works

How do scientists drill through the ice shelf which is 900 metres deep? With very hot water!

News

Model comparison: Experts calculate future ice loss and the extent to which Greenland and the Antarctic will contribute to sea-level rise

International Project ISMIP6

Model comparison: Experts calculate future ice loss and the extent to which Greenland and the Antarctic will contribute to sea-level rise

Ice-sheet models are an essential tool in making predictions regarding the future of the Greenland and Antarctic Ice Sheets. Nevertheless, these models still have a number of weaknesses. In an international model comparison, 14 research groups fed their ice-sheet models the same atmospheric and ocean data, and calculated what additional amounts of sea-level rise Greenland and the Antarctic would contribute by the year 2100.

How the ocean is gnawing away at glaciers

Greenland

How the ocean is gnawing away at glaciers

The Greenland Ice Sheet is melting faster today than it did only a few years ago. The reason: it’s not just melting on the surface – but underwater, too.

Changes in high-altitude winds over the South Pacific produce long-term effects on the Antarctic

Climate Research

Changes in high-altitude winds over the South Pacific produce long-term effects on the Antarctic

In the past million years, the high-altitude winds of the southern westerly wind belt, which spans nearly half the globe, didn’t behave as uniformly over the Southern Pacific as previously assumed. Instead, they varied cyclically over periods of ca. 21,000 years. A new study has now confirmed close ties between the climate of the mid and high latitudes and that of the tropics in the South Pacific, which has consequences for the carbon budget of the Pacific Southern Ocean and the stability of the West Antarctic Ice Sheet. 



Last update: 20.11.2020
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