Results 121 to 130 of about 23,767,576 (382)

Centreline and cross-glacier air temperature variability on an Alpine glacier: assessing temperature distribution methods and their influence on melt model calculations

open access: yesJournal of Glaciology, 2017
The spatio-temporal distribution of air temperature over mountain glaciers can demonstrate complex patterns, yet it is often represented simplistically using linear vertical temperature gradients (VTGs) extrapolated from off-glacier locations. We analyse
THOMAS E. SHAW   +4 more
doaj   +1 more source

Tides modulate crevasse opening prior to a major calving event at Bowdoin Glacier, Northwest Greenland

open access: yesJournal of Glaciology, 2020
Retreat of calving glaciers worldwide has contributed substantially to sea-level rise in recent decades. Mass loss by calving contributes significantly to the uncertainty of sea-level rise projections.
Eef van Dongen   +8 more
doaj   +1 more source

Representing moisture fluxes and phase changes in glacier debris cover using a reservoir approach [PDF]

open access: yes, 2014
Due to the complexity of treating moisture in supraglacial debris, surface energy balance models to date have neglected moisture infiltration and phase changes in the debris layer.
Brock, Benjamin   +5 more
core   +1 more source

Defect‐Rich 2D Layered Double Hydroxides Enhance Sonodynamic Antibacterial Therapy

open access: yesAdvanced Science, EarlyView.
This study develops defect‐rich ultrathin ZnCuW‐LDH nanosheets (DR‐ZnCuW‐LDH) via acid etching. DR‐ZnCuW‐LDH exhibits fourfold enhanced US‐triggered ROS production due to oxygen defects and electronic modulation, demonstrating potent antibacterial efficacy in vitro/vivo.
Qian Liu   +6 more
wiley   +1 more source

Simulating climatic mass balance, seasonal snow development and associated freshwater runoff in the Kongsfjord basin, Svalbard (1980–2016)

open access: yesJournal of Glaciology, 2018
The Kongsfjord basin in northwest Svalbard is the site of a number of interdisciplinary studies concerned with the effect of fresh water from seasonal snow and glacier melt on the physical and biological environment.
ANKIT PRAMANIK   +3 more
doaj   +1 more source

Radio-Echo Sounding Over Polar Ice Masses [PDF]

open access: yes, 2007
Peer reviewedPublisher ...
Bingham, Robert G., Siegert, Martin J.
core   +1 more source

Mechanisms leading to the 2016 giant twin glacier collapses, Aru Range, Tibet

open access: yesThe Cryosphere, 2018
. In north-western Tibet (34.0∘ N, 82.2∘ E) near lake Aru Co, the entire ablation areas of two glaciers (Aru-1 and Aru-2) suddenly collapsed on 17 July and 21 September 2016. The masses transformed into ice avalanches with volumes of 68 and 83×106 m3 and
A. Gilbert   +8 more
semanticscholar   +1 more source

A Genomic Catalog of Migratory Microbiomes from Wild Birds across China's Habitats

open access: yesAdvanced Science, EarlyView.
ABSTRACT Migratory birds play an important role in the spread of antimicrobial resistance (AMR); however, gaps in surveillance data from vital regions along migratory flyways across China limit the detection of emergent threats. Here, we assembled 340 metagenomes from 52 bird species covering 11 provincial administrative districts in China, presenting ...
Yanan Wang   +13 more
wiley   +1 more source

Seismic Tremor Reveals Spatial Organization and Temporal Changes of Subglacial Water System [PDF]

open access: yes, 2019
©2019. American Geophysical Union. All Rights Reserved.Subglacial water flow impacts glacier dynamics and shapes the subglacial environment. However, due to the challenges of observing glacier beds, the spatial organization of subglacial water systems and
Amundson, Jason M.   +4 more
core   +1 more source

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