Rockfalls, rock slides and rock avalanches in high mountains The terms rockfall, rock avalanche and rockslide are often used interchangeably. Different authors have proposed definitions based on volume thresholds, but the establishment of fixed boundaries can be tricky. Rockfall can be defined as the detachment of a mass of rock from a steep rock-wall, along discontinuities and/or through rock bri ...[Read More]
Permafrost fever, do we need a doctor?
Today we will shed some light on permafrost thanks to Dr. Dmitry (Dima) Streletskiy. Dima is an Assistant Professor of Geography and International Affairs at the George Washington University. He leads several research grants focusing on various aspects of climate change and its impacts on natural and human systems in the Arctic. Streletskiy is the President Elect of the United Sates Permafrost Ass ...[Read More]