Results 91 to 100 of about 2,982 (205)

Calving dynamics at Jakobshavn Isbrae (Sermeq Kujalleq) controlled by local geometry: insights from a 3D Stokes calving model

Journal of Glaciology
We present the first simulations of Jakobshavn Isbrae (Sermeq Kujalleq), west Greenland, using a 3D Stokes calving model that permits unrestricted advance and retreat.
Iain Wheel, Anna J. Crawford, Douglas I. Benn   +2 more
doaj   +1 more source

Crevasse density, orientation and temporal variability at Narsap Sermia, Greenland. [PDF]

J Glaciol, 2023
Van Wyk de Vries M, Lea JM, Ashmore DW.
europepmc   +1 more source

Relating the occurrence of crevasses to surface strain rates

, 1993
The presence of crevasses on the surface of ice masses indicates that a fracture criterion has been met. Understanding how crevasses form will provide information about the stress and strain-rate fields in the ice.
Vaughan, David G., David G. Vaughan
core   +1 more source

Mechanisms for upstream migration of firn aquifer drainage: preliminary observations from Helheim Glacier, Greenland

Journal of Glaciology
Surface meltwater can influence subglacial hydrology and ice dynamics if it reaches ice sheet's base. Firn aquifers store meltwater and drain into wide crevasses marking the aquifer's downstream boundary, indicating water from firn aquifers can drive ...
Jessica Z. Mejia, Kristin Poinar, Colin R. Meyer, Aleah N. Sommers, Winnie Chu   +4 more
doaj   +1 more source

Direct observations of melting, freezing, and ocean circulation in an ice shelf basal crevasse. [PDF]

Sci Adv, 2023
Washam P, Lawrence JD, Stevens CL, Hulbe CL, Horgan HJ, Robinson NJ, Stewart CL, Spears A, Quartini E, Hurwitz B, Meister MR, Mullen AD, Dichek DJ, Bryson F, Schmidt BE.   +14 more
europepmc   +1 more source

Excerpt: Crevasses by Edmund Hillary

This article provides an acount of Sir Edmund Hillary's encounter with a band of crevasses near the South Pole on his 1958 trek across Antarctica. The excerpt includes biographic information about Hillary, who was knighted for his ascent of Mount Everest,

core  

Mapping Glacier Structure in Inaccessible Areas From Turning Seismic Sources Into a Dense Seismic Array

Geophysical Research Letters
Understanding glaciers structural heterogeneity is crucial for assessing their fate. Yet, places where structure changes are strong, such as crevasses fields, are often inaccessible for direct instrumentation. To overcome this limitation, we introduce an
Ugo Nanni, Philippe Roux, Florent Gimbert   +2 more
doaj   +1 more source

Crevasse refreezing and signatures of retreat observed at Kamb Ice Stream grounding zone. [PDF]

Nat Geosci, 2023
Lawrence JD, Washam PM, Stevens C, Hulbe C, Horgan HJ, Dunbar G, Calkin T, Stewart C, Robinson N, Mullen AD, Meister MR, Hurwitz BC, Quartini E, Dichek DJG, Spears A, Schmidt BE.   +15 more
europepmc   +1 more source

Heterogeneous melting near the Thwaites Glacier grounding line. [PDF]

Nature, 2023
Schmidt BE, Washam P, Davis PED, Nicholls KW, Holland DM, Lawrence JD, Riverman KL, Smith JA, Spears A, Dichek DJG, Mullen AD, Clyne E, Yeager B, Anker P, Meister MR, Hurwitz BC, Quartini ES, Bryson FE, Basinski-Ferris A, Thomas C, Wake J, Vaughan DG, Anandakrishnan S, Rignot E, Paden J, Makinson K.   +25 more
europepmc   +1 more source

Glacial Water: A Dynamic Microbial Medium. [PDF]

Microorganisms, 2023
Varliero G, Lebre PH, Frey B, Fountain AG, Anesio AM, Cowan DA.   +5 more
europepmc   +1 more source