aims are to: Determine submarine permafrost thawing rates on the Bykovsky Peninsula (north Siberia) and Alaska North Slope using a combination of geophysical, sampling, and remote sensing methods Determine [...] permafrost landscape dynamics and Earth System feedbacks Permafrost coring in the Fish Creek Delta, North Alaska (Photo: Alfred Wegener Institut) Arctic permafrost landscapes change rapidly under the influence [...] permafrost thaw processes. Different study sites, such as the Lena Delta in Siberia or the Alaska North Slope, among others, serve as the key study sites for my research. Contact: Ingmar Nitze Keywords: