Results 91 to 100 of about 856,577 (241)

Palaeo-ice streams in the north-eastern Laurentide Ice Sheet

open access: yes, 2015
This thesis presents a palaeoglaciological study aimed to determine the location, geometry and temporal evolution of palaeo-ice streams of the north-easternmost Laurentide Ice Sheet.
Hernán De Angelis (471753)
core   +1 more source

Genese des Nordseeraumes im Quartär

open access: yesFennia: International Journal of Geography, 1974
In spite of alterations due to transgressions, Pleistocene forms are still discernible in the North Sea area. In this study, explanation of their genesis is based on a reconstruction of the ice‑sheds of different dimen­sions and the dynamic elements of ...
Heinrich Reinhard
doaj  

Enhanced Acoustic Adhesion Enabling Agile and Small Wall‐Climbing Robot Design With Anisotropic Origami Structure

open access: yesAdvanced Science, EarlyView.
This 28 g robot incorporates innovative ring structures and anisotropic origami springs to achieve high speeds and exceptional load capacity. It successfully carries a 100 g payload while ascending walls or ceilings at speeds of up to 8 and 20 cm/s, demonstrating enhanced adhesion and maneuverability over current climbing robots.
Xinxian Chen   +5 more
wiley   +1 more source

Multi-decadal evolution of Crary Ice Rise region, West Antarctica, amid modern ice-stream deceleration

open access: yesJournal of Glaciology
The ongoing deceleration of Whillans Ice Stream, West Antarctica, provides an opportunity to investigate the co-evolution of ice-shelf pinning points and ice-stream flux variability.
Hannah Verboncoeur   +7 more
doaj   +1 more source

Ice stream motion facilitated by a shallow-deforming and accreting bed

open access: yesNature Communications, 2016
Ice streams are fundamental to ice sheet dynamics, but the mechanisms controlling their flow remain elusive. Here, the authors perform macro- and microscale analyses of mega-scale glacial lineations, which indicate a continuously accreting, shallow ...
Matteo Spagnolo   +10 more
doaj   +1 more source

Last deglaciation of northern continental Europe

open access: yesCuadernos de Investigación Geográfica, 2015
Correlation of main ice sheet limits in northern continental Europe during Late Weichselian is presented, based on available data concerning occurrence of ice-marginal formations and their radiometric dating.
L. Marks
doaj   +1 more source

Sustainable Hydrogel‐Forming Microneedle‐Reservoir Patches for Transdermal Delivery of Hydrophilic Macromolecules: Biopolymers, Green Manufacturing and Translation

open access: yesAdvanced Science, EarlyView.
Hydrogel‐forming microneedle (HFMN)‐reservoir patches provide a modular route for controlled transdermal delivery of hydrophilic biomacromolecules. The platform integrates skin‐barrier penetration, sustainable biopolymers, scalable green manufacturing, hydration‐driven transport, model‐cargo validation, and translational quality requirements.
Siddharth Mohanty   +4 more
wiley   +1 more source

Palaeo-ice streams: an introduction [PDF]

open access: yes, 2003
[FIRST PARAGRAPH] Ice streams are narrow fast-flowing zones within ice sheets, and in the case of Antarctica are responsible for draining up to 90% of the mass from the ice sheet.
Piotrowski, J.A.   +5 more
core   +1 more source

Exploring Antarctic Feedback Mechanisms Using Two‐Way Coupled Subglacial Hydrology and Ice Flow Modeling in the Siple Coast

open access: yesGeophysical Research Letters
The Siple Coast region of West Antarctica is known for its fast flowing, topographically unconstrained ice streams that evolve due to subglacial conditions.
Koi McArthur   +2 more
doaj   +1 more source

Grounding line stability in a regime of low driving and basal stresses

open access: yesJournal of Glaciology, 2019
The dynamics of a marine ice sheet's grounding lines determine the rate of ice discharge from the grounded part of ice sheet into surrounding oceans. In many locations in West Antarctica ice flows into ice shelves through ice streams experiencing low ...
O. V. Sergienko, D. J. Wingham
doaj   +1 more source

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