Antarctic Subglacial Aquatic Environments by Martin J. Siegert, Mahlon C. Kennicutt II, Robert A.

By Martin J. Siegert, Mahlon C. Kennicutt II, Robert A. Bindschadler

Published through the yankee Geophysical Union as a part of the Geophysical Monograph Series.

Antarctic Subglacial Aquatic Environments is the 1st quantity in this vital and engaging topic. With its underlying topic of bridging present wisdom to destiny learn, it's a benchmark within the heritage of subglacial lake exploration and research, containing updated discussions in regards to the background and history of subglacial aquatic environments and destiny exploration. the most themes addressed are id, position, physiography, and hydrology of 387 subglacial lakes; protocols for environmental stewardship and defense of subglacial lake environments; info of 3 courses aiming to discover Vostok Subglacial Lake, Ellsworth Subglacial Lake, and Whillans Subglacial Lake over the following 3–5 years; review of technological specifications for exploration courses in accordance with top practices for environmental stewardship and clinical luck; and information of subglacial lakes as habitats for microbial existence and as recorders of previous weather and ice sheet switch. Its strong point, breadth, and inclusiveness will attract microbiologists and people attracted to existence in severe environments, paleoclimatologists and people attracted to sedimentary files of prior alterations, glaciologists striving to appreciate how water underneath glaciers impacts their move, and people engaged in constructing expertise to adopt direct dimension and sampling of maximum environments on the earth and within the sun system.Content:

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Morse, and D. A. Young (2006), New boundary conditions for the West Antarctic Ice Sheet: Subglacial topography beneath Pine Island glacier, Geophys. Res. 1029/ 2005GL025588. , and T. J. Hughes (2000), Calculating basal thermal zones beneath the Antarctic ice sheet, J. , 46(153), 297 – 310. 26 IDENTIFICATION AND SETTING OF ANTARCTIC SUBGLACIAL LAKES Wingham, D. , M. J. Siegert, A. Shepherd, and A. S. Muir (2006), Rapid discharge connects Antarctic subglacial lakes, Nature, 440, 1033 – 1036. , A.

Exped. Inf. , 18, 28 – 29. , B. Legrésy, M. Horwath, and R. Dietrich (2007), Refined analysis of radar altimetry data applied to the region of WRIGHT AND SIEGERT the subglacial Lake Vostok, Antarctica, Remote Sens. , 106, 269 – 284. , et al. (2011), Ellsworth Subglacial Lake, West Antarctica: A review of its history and recent field campaigns, in Antarctic Subglacial Aquatic Environments, Geophys. Monogr. 1029/2010GM000936, this volume. , M. Sen, D. D. Blankenship, P. Stoffa, and T. G. Richter (2005), Inversion and uncertainty estimation of gravity data using simulated annealing: An application over Lake Vostok, East Antarctica, Geophysics, 70(1), J1 – J12.

EFFECT OF SUBGLACIAL LAKES AND LAKE DISCHARGE ON ICE FLOW Observations by Wingham et al. [2006a], Fricker et al. [2007], and Stearns et al. [2008] suggest the rapid transfer of subglacial lake water and periodically flushing of subglacial 36 ANTARCTIC SUBGLACIAL LAKE DISCHARGES lakes connected with other lakes that consequently fill through a hydrological network. These observations point to similar events of similar magnitude. However, they stem from rapid changes at the surface from which the drainage events are inferred.

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