Results 1 to 10 of about 583 (230)
Extraction and applications of Rayleigh wave ellipticity in polar regions
Annals of Glaciology, 2022 Seismic Rayleigh wave ellipticity measurements are the horizontal-to-vertical ratio of the Rayleigh wave particle motion, and are sensitive to the subsurface structure beneath a seismic station.
Glenn A. Jones +5 more
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A new global gridded glacier dataset based on the Randolph Glacier Inventory version 6.0
Journal of Glaciology, 2021 Gridded glacier datasets are essential for various glaciological and climatological research because they link glacier cover with the corresponding gridded meteorological variables.
Yaojun Li +3 more
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Journal of Glaciology, 2022 Understanding glacier drainage system behaviour and its response to increased meltwater production faces several challenges in the High Arctic because many glaciers are transitioning from polythermal to almost entirely cold thermal structures.
Jānis Karušs +5 more
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Fluid resonance in elastic-walled englacial transport networks
Journal of Glaciology, 2021 Englacial water transport is an integral part of the glacial hydrologic system, yet the geometry of englacial structures remains largely unknown. In this study, we explore the excitation of fluid resonance by small amplitude waves as a probe of englacial
Maria McQuillan, Leif Karlstrom
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Geophysical research on the IGAN Glacier in 2021
Interexpo GEO-Siberia, 2022 The results of radar studies of the IGAN glacier carried out in 2019 and 2021 are presented in the paper. Measurements of the thickness of the snow cover and ice were carried out using the PICOR-LED GPR (1600 MHz) and VIRL-7 (20 MHz), respectively.
A. N. Shein +4 more
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Geophysical imaging of alpine rock glaciers [PDF]
Journal of Glaciology, 2007 AbstractSlope instabilities caused by the disappearance of ice within alpine rock glaciers are an issue of increasing concern. Design of suitable counter-measures requires detailed knowledge of the internal structures of rock glaciers, which can be obtained using geophysical methods.
Hansruedi Maurer, Christian Hauck
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A synthetic study of acoustic full waveform inversion to improve seismic modelling of firn
Annals of Glaciology, 2022 The density structure of firn has implications for hydrological and climate modelling and for ice shelf stability. The firn structure can be evaluated from depth models of seismic velocity, widely obtained with Herglotz-Wiechert inversion (HWI), an ...
Emma Pearce +7 more
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Teleseismic earthquake wavefields observed on the Ross Ice Shelf
Journal of Glaciology, 2021 Observations of teleseismic earthquakes using broadband seismometers on the Ross Ice Shelf (RIS) must contend with environmental and structural processes that do not exist for land-sited seismometers.
Michael G. Baker +6 more
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Acoustic Sensing of Glacial Discharge in Greenland
Geophysical Research Letters, 2023 The accessibility and simplicity of monitoring instruments and processing methods are crucial for environmental monitoring worldwide. There is growing evidence that proglacial discharge may be observed by listening to the glacier terminus using ...
E. A. Podolskiy, T. Imazu, S. Sugiyama
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Multi-decadal basal slip enhancement at Saskatchewan Glacier, Canadian Rocky Mountains
Journal of Glaciology, 2023 Glacier motion responds dynamically to changing meltwater inputs, but the multi-decadal response of basal sliding to climate remains poorly constrained due to its sensitivity across multiple timescales.
Nathan T. Stevens +5 more
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