Volkmar Assmann

Methane plume detection after the 2022 Nord Stream pipeline explosion in the Baltic Sea

Katarina Abrahamsson, Ellen Damm, Göran Björk, Carina Bunse et autres

Abstract On September 26th, 2022, the detonations at the gas pipelines Nord Stream 1 and 2 resulted in some of the largest non-natural releases of methane known. The distribution of methane in the surrounding seawater and the possible effects were not apparent. …

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Samoylov Deep Drilling Spring Campaign 2018

Loeka L. Jongejans, Volkmar Assmann, Julia Boike, Dmitry Bolshiyanov et autres

Permafrost thaw is associated with impacts on climate, land surface and coastal and river bank structures. Pro-cesses such as thermokarst and thermo-erosion lead to ground subsidence, which can have drastic e˙ects on the topography. One of the main drivers of surface subsidence …