Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Dustin M Schroeder"'
Constraining the Thickness of the Conductive Portion of Europa's Ice Shell Using Sparse Radar Echoes
Autor:
Dustin M. Schroeder, Natalie S. Wolfenbarger, Gregor B. Steinbrügge, Riley Culberg, Samuel M. Howell, Elizabeth Spiers, Marshall Styczinski
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 20, Pp n/a-n/a (2024)
Abstract Ice penetrating radar sounding is the primary geophysical technique for imaging the subsurface of planetary ice shells and has the potential to directly detect the ice–ocean interface. However, many sounding measurements may lack laterally
Externí odkaz:
https://doaj.org/article/580c0561a03045f482a7eae1a67eb4b5
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 2, Pp n/a-n/a (2024)
Abstract Adélie‐George V Land in East Antarctica, encompassing the vast Wilkes Subglacial Basin, has a configuration that could be prone to ice sheet instability: the basin's retrograde bed slope could make its marine terminating glaciers vulnerab
Externí odkaz:
https://doaj.org/article/83e4d9b6183d4314aa3f5f4688da3ff0
Autor:
Dustin M. Schroeder
Publikováno v:
Annals of Glaciology, Vol 63, Pp 13-17 (2022)
Ice-penetrating radar sounding is a powerful geophysical tool for studying terrestrial and planetary ice with a rich glaciological heritage reaching back over half a century. Recent years have also seen rapid growth in both the radioglaciological com
Externí odkaz:
https://doaj.org/article/f75f1713f42b478486b30cd37b8b8cd8
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
This study uses ice sheet modeling experiments to show that thawing portions of the Antarctic ice sheet bed can increase century-scale mass loss, particularly in the Wilkes and Enderby Land regions of East Antarctica.
Externí odkaz:
https://doaj.org/article/4a8fbb2df42448cc81c0a5fa8d21547f
Autor:
Dustin M. Schroeder, Anna L. Broome, Annabel Conger, Acacia Lynch, Emma J. Mackie, Angelo Tarzona
Publikováno v:
Journal of Glaciology, Vol 68, Pp 733-740 (2022)
The earliest airborne geophysical campaigns over Antarctica and Greenland in the 1960s and 1970s collected ice penetrating radar data on 35 mm optical film. Early subglacial topographic and englacial stratigraphic analyses of these data were foundati
Externí odkaz:
https://doaj.org/article/305b17e893964e338fead501fe5c6c0f
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-10 (2022)
The formation of double ridges on Europa is poorly understood. Here the authors analyze airborne radar observations of an analog feature on the Greenland Ice Sheet to show that the refreezing of shallow water sills may produce such ridges.
Externí odkaz:
https://doaj.org/article/d28069ed6c9942c6b953a3fc40af3ea2
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
The long-term impact of extreme surface melt on the Greenland Ice Sheet is poorly constrained. Here the authors use airborne radar to characterize a subsurface refrozen melt layer that formed following extreme melt in 2012, showing that it likely red
Externí odkaz:
https://doaj.org/article/67ed3419f4984bf2b7565a8cefe18319
Publikováno v:
Journal of Glaciology, Vol 67, Pp 75-83 (2021)
Subglacial topography is an important feature in numerous ice-sheet analyses and can drive the routing of water at the bed. Bed topography is primarily measured with ice-penetrating radar. Significant gaps, however, remain in data coverage that requi
Externí odkaz:
https://doaj.org/article/321e050fffdf4f9c8586960b34b1e852
Autor:
Ian M. Shoemaker, Alexander Kusenko, Peter Kuipers Munneke, Andrew Romero-Wolf, Dustin M. Schroeder, Martin J. Siegert
Publikováno v:
Annals of Glaciology, Vol 61, Pp 92-98 (2020)
The Antarctic Impulsive Transient Antenna (ANITA) balloon experiment was designed to detect radio signals initiated by high-energy neutrinos and cosmic ray (CR) air showers. These signals are typically discriminated by the polarization and phase inve
Externí odkaz:
https://doaj.org/article/2df485aba40a4013b3afd3ae6544d9b1
Autor:
Oliver T. Bartlett, Steven J. Palmer, Dustin M. Schroeder, Emma J. MacKie, Timothy T. Barrows, Alastair G. C. Graham
Publikováno v:
Annals of Glaciology, Vol 61, Pp 46-57 (2020)
Airborne radio-echo sounding (RES) surveys are widely used to measure ice-sheet bed topography. Measuring bed topography as accurately and widely as possible is of critical importance to modelling ice dynamics and hence to constraining better future
Externí odkaz:
https://doaj.org/article/429e3d0e634345638764827fdf8398be