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Deep-Sea Research

Surprise in the deep sea

Researchers discover sponge paths on the ocean floor

[Translate to English:] Schwämme hinterlassen Spuren
[26. April 2021] 

Sponges: They are considered to be one of the most primitive forms of animal life, because they have neither locomotion organs nor a nervous system. A team around deep-sea scientist Antje Boetius has now discovered that sponges leave trails on the sea floor in the Arctic deep sea. They conclude that the animals might move actively - even if only a few centimetres per year.


Deep-Sea Research

Assessing the Impacts of Nodule Mining on the Deep-Sea Environment

European Consortium monitors first in situ test of a pre-prototype collector vehicle in the Pacific

Manganese nodule
[06. April 2021] 

Scientists of the JPI Oceans project “MiningImpact” are embarking on a 6-week expedition to the Clarion-Clipperton Fracture Zone (CCZ) in the Pacific. Their goal is to carry out independent scientific monitoring of the test of a pre-prototype nodule collector machine conducted in parallel from a second vessel by the Belgian company Global Sea Mineral Resources (GSR). “MiningImpact” fully adheres to good scientific practice and all data will be made publicly available.


Climate Research

Droughts in Germany could become more extreme

Researchers analyse data from the last millennium

[Translate to English:] Niedrigwasser der Elbe in Dresden.
[19. March 2021] 

In the future, droughts could be even more severe than those that struck parts of Germany in 2018.


Antarctic Expedition

Polarstern expedition investigates massive calved iceberg

Experts explore for the first time life on the seafloor in a region formerly covered by thick ice

[Translate to English:] Polarstern in the smallest gap called "foxhole" between iceberg A74 (right) and Brunt Ice Shelf (left). Look to direction out of the foxhole, in which Polarstern manoevered after station work. 


Polarstern in der "Fuchsbau" getauften schmalsten Stelle zwischen Eisberg A74 (rechts) und Brunt-Schelfeis (links). Blick in die Richtung Ausgang des "Fuchsbaus", in die das Schiff nach Beendigung der Stationsarbeit weiter gefahren ist.
[17. March 2021] 

Roughly two weeks ago, a massive iceberg calved from the Antarctic Ice Sheet. As the only research vessel nearby, the Polarstern took the opportunity to enter the area between the iceberg and the Brunt Ice Shelf. The first images from the seafloor reveal an amazing level of biodiversity in a region that was covered by thick ice for decades.


Palaeoclimate

‘Missing Ice Problem’ Finally Solved

[Translate to English:] Piedmont-Gletscher im Nordosten Grönlands
[23. February 2021] 

During glacial periods, the sea level falls, because vast quantities of water are stored in the massive inland glaciers. To date, however, computer models have been unable to reconcile sea-level height with the thickness of the glaciers.


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