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Palaeoclimate

Oldest permafrost in Siberia discovered

[Translate to English:] Batagai-Permafrost-Abbruch in Sibirien
[15. June 2021] 

While determining the age of a permafrost layer in Siberia, an international team of experts set a new record: at its deepest point, the soil is at least 650,000 years old.


Arctic Ocean

Heat from Below: How the Ocean is Wearing Down the Arctic Sea Ice

[Translate to English:] IceBird Summer
[15. June 2021] 

The influx of warmer water masses from the North Atlantic into the European marginal seas of the Arctic Ocean plays a significant role in the marked decrease in sea-ice growth, especially in winter. Sea-ice physicists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), together with researchers from the US and Russia, now present evidence for this in two new studies, which show that heat from the Atlantic has hindered ice growth in the Barents and Kara Seas for years.


IPCC-IPBES Workshop Report

Climate change, biodiversity loss and social justice – these challenges can only be overcome together

New workshop report on climate and biodiversity offers guidelines for pioneering policies

Lettering: Climate Protection, Biodiversity, Social Justice - the compelling triad of successful climate policy
[10. June 2021] 

The fight against global warming and for sustainable development can only succeed if, from now on, humankind considers the issues of climate change, biodiversity loss and social justice together, and takes them into account equally in all political decisions – globally, nationally and regionally – as well as their interactions. According to the German co-authors, this is the most important takeaway from a new workshop report on biodiversity and climate change, the first to be jointly prepared by experts from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) and the Intergovernmental Panel on Climate Change (IPCC). In the report, which will be released globally today, the researchers show why especially phasing out fossil fuels…


Keel Laying for New Research Ship

CO2-neutral on the North Sea

Successor to the research ship Uthörn will feature sustainable drive system powered by green methanol

[Translate to English:] Designstudie Uthörn II
[08. June 2021] 

The Alfred Wegener Institute is setting new standards for sustainability in German maritime shipping. On 8 June 2021 the keel for the successor to the research cutter Uthörn will be laid at the Fassmer Shipyard in Berne, Lower Saxony.


Scientific Publication

Salps fertilise the Southern Ocean more effectively than krill

The iron released by the tunicates’ fecal pellets is more bioavailable than that from krill pellets

[Translate to English:] Salpa thompsoni
[02. June 2021] 

Experts at the Alfred Wegener Institute have, for the first time, experimentally measured the release of iron from the fecal pellets of krill and salps under natural conditions and tested its bioavailability using a natural community of microalgae in the Southern Ocean. In comparison to the fecal pellets of krill, Antarctic phytoplankton can more easily take up the micronutrient iron from those produced by salps.


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