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Glacier exploration crevasse detector

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Journal Article
Published: 01 March 2007
Journal of Environmental and Engineering Geophysics (2007) 12 (1): 3–13.
... of ∼20 m has still proved appropriate. Testing the effect of back-filling these holes with snow suggests it is better to leave them un-altered after loading, otherwise coupling with the glacier surface is increased, resulting in more ground roll. Hand-planted geophones remain the best detector...
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Journal Article
Published: 04 December 2019
Seismological Research Letters (2020) 91 (1): 1–15.
... to explore such processes as iceberg calving, basal sliding, crevassing, and subglacial hydrology. As in the planetary mission scenario, engineers can make fiber cable able to take harsh environments with power systems, sensitive electronics, laser, and data storage bundled at one end. We may also expect...
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Series: Geological Society, London, Memoirs
Published: 01 January 2016
EISBN: 9781862397088
... brittle part of a glacier as a result of ice undergoing extension. Basal crevasses may also form when ice is under tension. Crevasse-filling: A relatively straight ridge of stratified sand and gravel, till or other sediments, formed by the filling of a (surface or basal) crevasse in a stagnant...
Journal Article
Published: 01 April 2020
Seismological Research Letters (2020) 91 (2B): 1095–1338.
.... This volcanic center remained active through the late Pleistocene. Recent research by LANL staff explores whether the PFS might be more than a simple tec- tonic normal fault (Swanson et al., 2019); it is possible that the volcano-tectonic systems are more mutually inclusive than previously understood...
Journal Article
Published: 01 April 2021
Seismological Research Letters (2021) 92 (2B): 1213–1479.
..., snow and firn dynamics, glacier stick-slip, icequakes, iceberg calving and crevassing and temporal moni- toring are also encouraged. Studies focusing on critical zone and engineering applications are additionally welcome and may include studies of groundwater and remediation, site characterization...
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP461.14
EISBN: 9781786203427
... (e.g. Fischer et al. 2013 ; van Liefferinge & Pattyn 2013 ) and possible expansion of the IceCube neutrino detector ( Aartsen et al. 2014 ). To explain the existence of SPL, we evaluate the present and past thermodynamics of this region necessary for the production and storing of basal...
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Series: Geophysical References Series
Published: 01 January 2002
DOI: 10.1190/1.9781560801979.ch1
EISBN: 9781560802969
... falling in a small vacuum chamber, the position of the reflector being measured with a laser interferometer. Portable absolute gravimeters are now in experimental exploration use. They can be operated in sets coupled by fiber optics to measure absolute gravity gradients directly. See Niebauer et al...
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