PeCaBeau - Station after station after station....

Sixteen hours of daylight. This was the beginning of our trip. We have now arrived at about nine hours.

PeCaBeau - First station completed

It took us seven days to reach our first station. We are interested in carbon, sediment and nutrient dynamics on the Beaufort Shelf. That’s why we needed to wait a bit until we finally went to where the Northwest Passage ends.

Steaming through the Northwest Passage and getting ready

Since 09 September we are at sea. A charter flight with about 35 crew members and the same number of scientists brought us from Québec City to Resolute Bay on Cornwallis Island in the Canadian Arctic Archipelago.


It is not easy to tell you how many we are - I have not even tried to count. Since more than three years we work on this project and it will take even longer to work on all the data and samples we will bring back to our labs and offices and to our partners all over the world.

PeCaBeau! Let’s go.

After almost a 2-year hiatus from active research activities, our field campaigns are back on! This blog series will take you to the Canadian Arctic and onboard the CCGS Amundsen.

Serpentine Ice Channels and their Interaction with Riverbed Permafrost in the Lena River Delta

A new study, led by a number of Nunataryuk researchers, shows that optical and radar remote sensing can be used to map ice frozen to the riverbed vs. ice, resting on top of the unfrozen water layer.

First pan-Arctic assessment of dissolved organic carbon in lakes of the permafrost region

A first pan-Arctic assessment of dissolved organic carbon in lakes of the permafrost region is now published in Biogeosciences.

Paleo-Ecology of the Yedoma Ice Complex on Sobo-Sise Island (EasternLena Delta, Siberian Arctic)

The regional Yedoma records in the Lena Delta and on Bykovsky Peninsula confirm the existence of late Pleistocene tundra-steppe environments in West Beringia about 52 000 years ago.

Permafrost Carbon and CO2 Pathways Differ at Contrasting Coastal Erosion Sites in the Canadian Arctic

Paper led by George Tanski showing that carbon and CO2 pathways from coastal erosion in the Canadian Arctic differ greatly for different erosion types.

Permafrost Causes Unique Fine‐Scale Spatial Variability Across Tundra Soils

New study by Siewert et al. shows that subsurface soil properties in permafrost tundra terrain exhibit tremendous spatial variability.

Source apportionment of methane escaping the subsea permafrost system in the outer Eurasian Arctic Shelf

The East Siberian Arctic Shelf holds large amounts of inundated carbon and methane (CH4). Holocene warming, fortified by anthropogenic warming, has caused thawing of the underlying subsea permafrost.

A framework for studying risks from permafrost thaw

New study presents the development of a risk management framework adapted to the Arctic coastal context.

Population living on permafrost in the Arctic

This new study by Justine Ramage et al. is the first demographic study assessing the population living on permafrost and the impact of permafrost thaw on the population living in the Arctic Circumpolar Permafrost Region (ACPR).

Foldable map shows permafrost extent around the world

You can now download the new permafrost extent map as a foldable Dymaxion map.

Permafrost and the risk of anthrax transmission

A recent outbreak of anthrax disease, severely affecting reindeer herds in Siberia, has been reportedly associated topermafrost thaw.