Results 41 to 50 of about 131,619 (292)

A comparison of automated approaches to extracting englacial-layer geometry from radar data across ice sheets

open access: yesAnnals of Glaciology, 2020
Radar surveys across ice sheets typically measure numerous englacial layers that can often be regarded as isochrones. Such layers are valuable for extrapolating age–depth relationships away from ice-core locations, reconstructing palaeoaccumulation ...
Richard Delf   +4 more
doaj   +1 more source

Ground penetrating radar in temperate ice: englacial water inclusions as limiting factor for data interpretation

open access: yesJournal of Glaciology, 2023
Ground penetrating radar (GPR) has been extensively used in glaciology to infer glacier's ice thickness, liquid water content, water drainage pathways, and other properties.
Christophe Ogier   +6 more
doaj   +1 more source

Geophysics: revealing the dynamics of Earth, Spring 2021 [PDF]

open access: yes, 2022
Newsletter of the Geophysics Department at Colorado School of ...

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Geophysics, Colorado School of Mines, Spring 2010

open access: yes, 2022
Newsletter of the Geophysics Department at Colorado School of ...

core  

Debris cover and surface melt at a temperate maritime alpine glacier: Franz Josef Glacier, New Zealand [PDF]

open access: yes, 2012
Melt rates on glaciers are strongly influenced by the presence of supraglacial debris, which can either enhance or reduce ablation relative to bare ice.
Brook, Martin S.   +5 more
core   +1 more source

Air-temperature control on diurnal variations in microseismicity at Laohugou Glacier No. 12, Qilian Mountains

open access: yesAnnals of Glaciology, 2019
We conducted a 9-d seismic experiment in October 2015 at Laohugou Glacier No. 12. We identified microseismic signals using the short-term/long-term average trigger algorithm at four stations and classified them as long and short-duration events based on ...
Tao Zhang   +5 more
doaj   +1 more source

Spatial variation and predictors of plant species' intrinsic climate sensitivity across the conterminous United States

open access: yesEcography, EarlyView.
Understanding how species' sensitivity to climate varies spatially across their ranges and elucidating the important causes is essential for identifying ecologically meaningful geographic units and conservation actions for biodiversity. In this study, we estimated climatic occurrence niches of vascular plants to explore the spatial variation in species'
Weiqing Qu   +4 more
wiley   +1 more source

Using active geophysical methods to characterise a temperate glacier's hydrological system

open access: yes, 2021
Worldwide, glaciers are receding as a consequence of climate change. Due to the global glacier recession, glaciers are experiencing enhanced melting, which results in an increase in meltwater availability. This increased meltwater has the ability to alter the glacier's hydraulic conditions and ultimately affects the dynamics of glaciers.
  +6 more sources

Imaging englacial and subglacial drainage networks with UAV-based 3D GPR

open access: yesJournal of Glaciology
Meltwater drainage through glaciers strongly influences ice dynamics and related hazards, yet detailed observations of active englacial and subglacial networks remain scarce due to challenges in direct observation.
Johanna Klahold   +3 more
doaj   +1 more source

Geophysics, Colorado School of Mines, Spring 2002

open access: yes, 2022
Newsletter of the Geophysics Department at Colorado School of ...

core  

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