Silvan Leinss


Last Name

Leinss

First Name

Silvan

ORCID

0000-0002-4467-5793

Organisational unit

Filters

Reset filters

Search Results

Publications 1 - 10 of 65
  • Tidewater glacier dynamics dominated by sliding at Bowdoin Glacier, Northwest Greenland
    Item type: Other Conference Item
    Seguinot, Julien; Funk, Martin; Jouvet, Guillaume; et al. (2016)
    Abstract Volume 14th Swiss Geoscience Meeting: Time in Geosciences: Knowledge for a new beginning
  • Terahertz coherent control of optically dark paraexcitons in Cu2O
    Item type: Journal Article
    Leinss, Silvan; Kampfrath, Tobias; von Volkmann, Konrad; et al. (2008)
    Physical Review Letters
  • Thinning leads to calving-style changes at Bowdoin Glacier, Greenland
    Item type: Journal Article
    van Dongen, Eef; Jouvet, Guillaume; Sugiyama, Shin; et al. (2021)
    The Cryosphere
    Ice mass loss from the Greenland ice sheet is the largest single contributor to sea level rise in the 21st century. The mass loss rate has accelerated in recent decades mainly due to thinning and retreat of its outlet glaciers. The diverse calving mechanisms responsible for tidewater glacier retreat are not fully understood yet. Since a tidewater glacier’s sensitivity to external forcings depends on its calving style, detailed insight into calving processes is necessary to improve projections of ice sheet mass loss by calving. As tidewater glaciers are mostly thinning, their calving styles are expected to change. Here, we study calving behaviour changes under a thinning regime at Bowdoin Glacier, north-western Greenland, by combining field and remote-sensing data from 2015 to 2019. Previous studies showed that major calving events in 2015 and 2017 were driven by hydro-fracturing and melt-undercutting. New observations from uncrewed aerial vehicle (UAV) imagery and a GPS network installed at the calving front in 2019 suggest ungrounding and buoyant calving have recently occurred as they show (1) increasing tidal modulation of vertical motion compared to previous years, (2) absence of a surface crevasse prior to calving, and (3) uplift and horizontal surface compression prior to calving. Furthermore, an inventory of calving events from 2015 to 2019 based on satellite imagery provides additional support for a change towards buoyant calving since it shows an increasing occurrence of calving events outside of the melt season. The observed change in calving style could lead to a possible retreat of the terminus, which has been stable since 2013. We therefore highlight the need for high-resolution monitoring to detect changing calving styles and numerical models that cover the full spectrum of calving mechanisms to improve projections of ice sheet mass loss by calving.
  • Snow Structure Evolution Measured by Ground Based Polarimetric Phase Differences
    Item type: Conference Paper
    Leinss, Silvan; Lemmetyinen, Juha; Wiesmann, Andreas; et al. (2014)
    Proceedings of EUSAR 2014, 10th European Conference on Synthetic Aperture Radar
  • Opportunities of snow property extraction based on single and multi pass SAR interferometry
    Item type: Conference Paper
    Leinss, Silvan; Hajnsek, Irena (2012)
    IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2012 : 22 - 27 July 2012, Munich, Germany ; proceedings
  • Multicopter-UAV- and car-borne repeat-pass SAR interferometry and SAR tomography with the compact Gamma SAR systems: first examples and use cases at S- and L-band
    Item type: Conference Paper
    Frey, Othmar; Werner, Charles; Leinss, Silvan; et al. (2025)
    IGARSS 2025 - 2025 IEEE International Geoscience and Remote Sensing Symposium
    Compact SAR systems on agile platforms such as UAVs or automobiles can fill many observation gaps left open by spaceborne synthetic aperture radar (SAR) systems, such as ground motion of north/south facing mountain slopes, applications that require shorter temporal sampling intervals, high-resolution repeat-pass SAR tomography of forested areas, or combinations of spatial resolutions and frequencies currently not available from spaceborne systems. Over the last years, we have continuously developed versatile SAR imaging systems including (1) compact and lightweight FMCW SAR systems at L-band and S-band and (2) processing software for SAR imaging and interferometric processing of SAR data acquired from UAVs and automobiles. In this paper, we present our latest technology demonstrations carried out with Gamma’s FMCW SAR systems in 2024 and 2025: (1) repeat-pass SAR interferometry of a fast moving land slide at S-band, (2) our first multicopter-UAV-borne S-band SAR imagery including repeat-pass SAR interferometric acquisitions, and (3) multicopter-UAV-borne repeat-pass SAR interferometry and first UAV-based SAR tomography results of a suburban area with trees and houses at L-band.
  • Characterization and monitoring of Kyagar Glacier surge dynamics and lake outburst events using TanDEM-X
    Item type: Other Conference Item
    Round, Vanessa; Leinss, Silvan; Huss, Matthias; et al. (2016)
  • Sensitivity of X-band SAR interferometry on the snow pack characterisation
    Item type: Other Conference Item
    Leinss, Silvan; Hajnsek, Irena (2011)
    Abstract Volume : 9th Swiss Geoscience Meeting : Zurich, 11th – 13th November 2011
  • Glacier Detachment Analysis in the West Kunlun Shan Mountains
    Item type: Other Conference Item
    Leinss, Silvan; Willimann, Cyril; Hajnsek, Irena (2019)
  • The Aru Co Twin-Avalanche (Tibet)
    Item type: Other Conference Item
    Leinss, Silvan (2016)
Publications 1 - 10 of 65