How rock glacier hydrology, deformation velocities and ground temperatures interact: Examples from the Swiss Alps

R Kenner, L Pruessner, J Beutel… - Permafrost and …, 2020 - Wiley Online Library
An increasing number of studies highlight the controlling influence of water on rock glacier
deformation velocities. The link between the concept of water‐driven shearing processes …

Short-term velocity variations at three rock glaciers and their relationship with meteorological conditions

V Wirz, S Gruber, RS Purves, J Beutel… - Earth Surface …, 2016 - esurf.copernicus.org
In recent years, strong variations in the speed of rock glaciers have been detected, raising
questions about their stability under changing climatic conditions. In this study, we present …

GPS-equipped wireless sensor network node for high-accuracy positioning applications

B Buchli, F Sutton, J Beutel - European Conference on Wireless Sensor …, 2012 - Springer
This work presents the design, implementation, and end-to-end system concept and
integration of a wireless data acquisition system for high-accuracy positioning applications …

Measurement and validation of energy harvesting IoT devices

L Sigrist, A Gomez, R Lim, S Lippuner… - … , Automation & Test …, 2017 - ieeexplore.ieee.org
With the appearance of wearable devices and the IoT, energy harvesting nodes are
becoming more and more important. The design and evaluation of these small standalone …

Multi-technique approach to rockfall monitoring in the Montserrat massif (Catalonia, NE Spain)

M Janeras, JA Jara, MJ Royan, JM Vilaplana… - Engineering …, 2017 - Elsevier
Montserrat Mountain is located near Barcelona in Catalonia, in the northeast of Spain, and
its massif is formed by conglomerate interleaved by siltstone/sandstone with steep slopes …

Dynamic power management for long-term energy neutral operation of solar energy harvesting systems

B Buchli, F Sutton, J Beutel, L Thiele - … of the 12th ACM conference on …, 2014 - dl.acm.org
In this work we consider a real-world environmental monitoring scenario that requires
uninterrupted system operation over time periods on the order of multiple years. To achieve …

Templab: A testbed infrastructure to study the impact of temperature on wireless sensor networks

CA Boano, M Zúñiga, J Brown, U Roedig… - … -14 proceedings of …, 2014 - ieeexplore.ieee.org
Temperature has a strong impact on the operations of all electrical and electronic
components. In wireless sensor nodes, temperature variations can lead to loss of …

Event-triggered natural hazard monitoring with convolutional neural networks on the edge

M Meyer, T Farei-Campagna, A Pasztor… - Proceedings of the 18th …, 2019 - dl.acm.org
In natural hazard warning systems fast decision making is vital to avoid catastrophes.
Decision making at the edge of a wireless sensor network promises fast response times but …

Optimal power management with guaranteed minimum energy utilization for solar energy harvesting systems

R Ahmed, B Buchli, S Draskovic, L Sigrist… - ACM Transactions on …, 2019 - dl.acm.org
In this work, we present a formal study on optimizing the energy consumption of energy
harvesting embedded systems. To deal with the uncertainty inherent in solar energy …

Temporal variability of diverse mountain permafrost slope movements derived from multi-year daily GPS data, Mattertal, Switzerland

V Wirz, M Geertsema, S Gruber, RS Purves - Landslides, 2016 - Springer
In this study, high resolution surface measurements of diverse slope movements are
compared to environmental factors such as ground surface temperature (GST) and snow …