The Opening of the Arctic Ocean
Getting dropped off at Wild Lake. Emelie is carrying gear to shore to set up base camp number two where two weeks were spent. Photo: Mark ...
How is the vegetation of the tundra affected by the absence of reindeer?
... Photo: Arvid Alm One of the most important herbivores in the Arctic is the reindeer. They are known for affecting what plant species exist in the Arctic, e.g. reindeer grazing can decrease the spread of trees, tall shrub and herbs. The ...
Were Alaska, north Canada, Greenland and Svalbard once attached?
... Majka The researchers flew to Ellesmere Island to collect samples from rocky outcrops. Photo: Jaroslaw Majka Base camp at Yelverton Inlet, on the north side of Ellesmere Island. Photo: Jaroslaw Majka In the summer of 2017, researchers ...
What will happen to animals and plants in the Arctic when the climate changes?
The research group on Wrangels Island. Photo: Anders Angerbjörn 147 samples of prehistoric material were collected on Wrangel Island, many of the collected samples consisted of woolly mammoth tusks. Photo: Anders ...
Models show what happens with the Antarctic ice sheet when the climate changes
Mountain Ulvetanna (meaning wolf tooth) in Dronning Maud Land – both high and dramatic. Photo: Carl Lundberg Schirmacher Oasis. Photo: Carl Lundberg Almost all of Antarctica is covered with ice. In ...
Taymyr – enigma of the Siberian Arctic
... Sciences, Uppsala University The world, as we know it today, is largely shaped by the last hundred million years of plate movements. Our present environments, from topography to climate, are dictated by the collision and on-going convergence ...
Eurasian ice sheets – Taymyr Peninsula 1998
Eurasian ice sheets – Taymyr Peninsula 1998 Project leader: Christian Hjort, Department of Quaternary Geology, Lund University The aim of the project ”Eurasian Ice Sheets” is a largely EU-financed project ...
Svalbard's Caledonian Terranes, Nordaustlandet 1998
... archipelago primarily concerns the Precambrian and Caledonian tectonic evolution of eastern terranes and their relationships to other parts of the European and Greenland high Arctic. The early years of research concentrated on the ...
The Swedish programme for social science research in the polar regions
... of Sciences, Stockholm Scientific background Although Svalbard is a high Arctic archipelago with no indigenous population, it has been the site of human activities for at least the last 400 years. This is the time span from which we have ...
Late Quaternary ice sheets in the Kara Sea
To understand the climatic links between oceans, atmosphere and continents we need further knowledge on the timing and extent of late Pleistocene ...
What would the Arctic tundra look like without grazing?
... their way back to base camp. Photo: Elin Lindén In the Arctic, almost all ice-free land is grazed by wild or domesticated reindeer. Reindeer grazing affect the Arctic landscape by controlling what type of plants and what plant species that ...
Understanding Arctic climate by observing Arctic weather
... and a microwave profiler. In the middle a scanning cloud radar and to the right the foredeck mast with instruments at the top. Photo: Michael Tjernström Arctic climate is changing faster than elsewhere, and climate is the average of the ...
Towards understanding ice in Arctic clouds
The 7th Deck of the Oden Icebreaker where aerosol sampling instruments were deployed. Photo: Grace Porter Arctic weather is notoriously difficult to model and predict. This is partly due to the inadequate representation of Arctic mixed ...
Why Arctic bubbles matter to all of us
Matt Salter and Helen Czerski setting mooring lines for the floating aerosol chamber. Photo: Mario Hoppman The weather in ...
What are high-Arctic aerosols and clouds made of?
... the 4th deck of Oden. The red Swiss lab-container to the left of the aerosol lab where our inlet systems and instrumentation were installed. Photo: Paul Zieger The Arctic is experiencing a dramatic transformation as a result of anthropogenic ...
Could marine microorganisms in the clouds slow down the melting of Arctic ice?
The research during expedition Arctic Ocean 2018. Illustration: Paul Zieger Every year we hear alarming news about the disappearing ice in the Arctic Ocean. The climate in the ...
What controls Arctic cloud properties?
Ian Brooks working on the cloud radar. Photo: Matthias Gottschalk Clouds are the most important factor controlling the amount of energy reaching the surface as sunlight ...
How are sea-ice microorganisms affected by ocean acidification?
The ocean absorbs approximately one third of the CO2 released into the atmosphere each year, and the uptake of CO2 is decreasing the pH of the ...
How autonomous and robotic technologies help us understand the climate system
The Arctic Ocean is a key area of global climate change and has been undergoing drastic changes in the recent decade. As a moderator between the atmosphere and the ...
The Search for Arctic biofilms: understanding the sea surface microlayer in an open lead
Tiera-Brandy Robinson and Matthew Salter on the catamaran while repairs are made. Photo: Karin Alfredsson The objective of this project was to ...