Zobrazeno 1 - 10
of 245
pro vyhledávání: '"Anna Ruth"'
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-16 (2024)
Abstract Pliocene global temperatures periodically exceeded modern levels, offering insights into ice sheet sensitivity to warm climates. Ice-proximal geologic records from this period provide crucial but limited glimpses of Antarctic Ice Sheet behav
Externí odkaz:
https://doaj.org/article/b1dbbcfb8d6a42e79420ba7a0571ad1c
Supervised classification of slush and ponded water on Antarctic ice shelves using Landsat 8 imagery
Autor:
Rebecca L. Dell, Alison F. Banwell, Ian C. Willis, Neil S. Arnold, Anna Ruth W. Halberstadt, Thomas R. Chudley, Hamish D. Pritchard
Publikováno v:
Journal of Glaciology, Vol 68, Pp 401-414 (2022)
Surface meltwater is becoming increasingly widespread on Antarctic ice shelves. It is stored within surface ponds and streams, or within firn pore spaces, which may saturate to form slush. Slush can reduce firn air content, increasing an ice-shelf's
Externí odkaz:
https://doaj.org/article/ca21aee3c148465f9e5c0e8f79fa1d35
Publikováno v:
PLoS ONE, Vol 17, Iss 8, p e0272985 (2022)
BackgroundPatient decisions to take preventative treatments for osteoporosis depend on their perceptions of fracture risk, medication effect sizes (ES) of benefits and harms. However, physicians and lay persons may have differing perceptions of risks
Externí odkaz:
https://doaj.org/article/a8048744192541ae86e9c99209f42168
Characteristics of the deforming bed: till properties on the deglaciated Antarctic continental shelf
Autor:
ANNA RUTH W. HALBERSTADT, LAUREN M. SIMKINS, JOHN B. ANDERSON, LINDSAY O. PROTHRO, PHILIP J. BART
Publikováno v:
Journal of Glaciology, Vol 64, Pp 1014-1027 (2018)
Contemporary ice stream flow is directly linked to conditions at the ice/bed interface, yet this environment is logistically difficult to access. Instead, we investigate subglacial processes important for ice stream flow by studying tills on the degl
Externí odkaz:
https://doaj.org/article/299ea2abb75a455b8eceaa944c0a32df
Autor:
Sarah L. Greenwood, Lauren M. Simkins, Anna Ruth W. Halberstadt, Lindsay O. Prothro, John B. Anderson
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-12 (2018)
Ice sheets are vulnerable to changes in the environment where ice discharges into the ocean. Here, the authors show that, in spite of widespread retreat following the last glacial maximum, a sub-sector of the East Antarctic Ice Sheet in the Ross Sea
Externí odkaz:
https://doaj.org/article/c3b4133e9c9c4c2495f408d757060cfe
Autor:
Sean Cuddy, Austin Schinlever, Sara Dochnal, Jon Suzich, Mina Farah, Chris Boutell, Anna Ruth Cliffe
Publikováno v:
Proceedings, Vol 50, Iss 1, p 91 (2020)
Herpes Simplex Virus (HSV) establishes a latent infection in neurons, in which viral transcription is restricted and viral promoters are associated with heterochromatin. In response to certain stimuli, the virus reactivates to permit transmission. Th
Externí odkaz:
https://doaj.org/article/6239b73f2b7d4083b7912668e22d58c9
Autor:
Anna Ruth W. Halberstadt, Colin J. Gleason, Mahsa S. Moussavi, Allen Pope, Luke D. Trusel, Robert M. DeConto
Publikováno v:
Remote Sensing, Vol 12, Iss 8, p 1327 (2020)
Surface meltwater generated on ice shelves fringing the Antarctic Ice Sheet can drive ice-shelf collapse, leading to ice sheet mass loss and contributing to global sea level rise. A quantitative assessment of supraglacial lake evolution is required t
Externí odkaz:
https://doaj.org/article/d8eea9be65594387867a8ec88dc60f76
Autor:
Mahsa Moussavi, Allen Pope, Anna Ruth W. Halberstadt, Luke D. Trusel, Leanne Cioffi, Waleed Abdalati
Publikováno v:
Remote Sensing, Vol 12, Iss 1, p 134 (2020)
Melt and supraglacial lakes are precursors to ice shelf collapse and subsequent accelerated ice sheet mass loss. We used data from the Landsat 8 and Sentinel-2 satellites to develop a threshold-based method for detection of lakes found on the Antarct
Externí odkaz:
https://doaj.org/article/3a5bf4507b1c4068b2751ce718231ac8
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