**Author details**

Namgaladze Aleksandr1 \*, Knyazeva Maria1 , Karpov Mikhail1,2, Zolotov Oleg1 , Martynenko Oleg3 , Yurik Roman4 , Foerster Matthias5 and Prokhorov Boris5


3 York University, Toronto, Canada

4 Polar Geophysical Institute, Murmansk, Russia

5 Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Potsdam, Germany
