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, 1997 Glaciers are huge and slow moving rivers of ice which exist in various parts of the world: Alaska, the Rockies, the Alps, Spitsbergen, China, for example. They drain areas in which snow accumulates, much as rivers drain catchment areas where rain falls. Glaciers also flow in the same basic way that rivers do.
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Scientific American, 2012
The article looks at research by microbial ecologist John Priscu on the microorganisms found in the melting ice sheets of the glaciers of Antarctica, finding the presence of living bacteria in ice from 420,000 years ago that retain the ability for growth and cell division. The species identified were similar to common existing bacteria. Researchers are
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The article looks at research by microbial ecologist John Priscu on the microorganisms found in the melting ice sheets of the glaciers of Antarctica, finding the presence of living bacteria in ice from 420,000 years ago that retain the ability for growth and cell division. The species identified were similar to common existing bacteria. Researchers are
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Ice Sheets in the Cenozoic [PDF]
, 2020 This chapter reviews the history of glaciation on Earth during the Cenozoic era (the past 65 million years) compiled from ocean sediment cores, notably by a deduction from their oxygen isotope ratio records of global ice volume changes. It examines the character of the ice age cycles during the Pleistocene (the last 2.6 million years), whose recent ...
Bas de Boer, Roderik S. W. van de Wal
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Ice Sheets in the Future [PDF]
, 1984 One of the reasons that the dynamics of ice sheets are studied is the desire to obtain knowledge about their future behaviour. In particular during the last few million years ice volume on earth varied enormously. Cold periods with huge ice sheets on the northern hemisphere continents were interrupted by relatively warm interglacials, in which only the
Johannes Oerlemans, C. J. van der Veen
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IEEE Spectrum, 2011
It's rare that an academic researcher gets to experience the life of a stunt pilot, but we found ourselves in more or less that position this past May, as we flew over the ice covered fjords of southeast Greenland. It was exhilarating-and a little scary. We were riding in one of NASA's research aircraft, a P-3 Orion turboprop, on which we had installed
Prasad Gogineni +2 more
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It's rare that an academic researcher gets to experience the life of a stunt pilot, but we found ourselves in more or less that position this past May, as we flew over the ice covered fjords of southeast Greenland. It was exhilarating-and a little scary. We were riding in one of NASA's research aircraft, a P-3 Orion turboprop, on which we had installed
Prasad Gogineni +2 more
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Journal of Fluid Mechanics, 1997
A linearized perturbation about the Vialov–Nye fixed-span solution for a steady-state ice sheet yields a Sturm-Liouville problem. The numerical eigenvalue problem is solved and the resulting normal modes are used to compute Green's and influence functions for perturbations to the accumulation rate, the rate factor and for long-wavelength ...
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A linearized perturbation about the Vialov–Nye fixed-span solution for a steady-state ice sheet yields a Sturm-Liouville problem. The numerical eigenvalue problem is solved and the resulting normal modes are used to compute Green's and influence functions for perturbations to the accumulation rate, the rate factor and for long-wavelength ...
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2003
Publisher Summary This chapter discusses the advances in both global and regional understanding of Quaternary history, deposits, and geomorphic processes that have brought new information and new techniques for characterizing the growth, decay, and products of the Cordilleran Ice Sheet during the Pleistocene. The Cordilleran Ice Sheet, the smaller of
Richard B. Waitt +3 more
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Publisher Summary This chapter discusses the advances in both global and regional understanding of Quaternary history, deposits, and geomorphic processes that have brought new information and new techniques for characterizing the growth, decay, and products of the Cordilleran Ice Sheet during the Pleistocene. The Cordilleran Ice Sheet, the smaller of
Richard B. Waitt +3 more
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Science, 2016
Ice Sheets![Figure][1] Increasing carbon dioxide levels could destabilize the Antarctic Ice Sheet PHOTO: © RGB VENTURES/SUPERSTOCK/ALAMY STOCK PHOTO Why did the Antarctic Ice Sheet begin to grow 34 million years ago, and what does that have to do with us? Galeotti et al. studied a marine sediment core recovered from just off the coast of Antarctica
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Ice Sheets![Figure][1] Increasing carbon dioxide levels could destabilize the Antarctic Ice Sheet PHOTO: © RGB VENTURES/SUPERSTOCK/ALAMY STOCK PHOTO Why did the Antarctic Ice Sheet begin to grow 34 million years ago, and what does that have to do with us? Galeotti et al. studied a marine sediment core recovered from just off the coast of Antarctica
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Science, 2016
Radar data reveal how sensitive the Greenland Ice Sheet is to long-term climatic changes [Also see Report by MacGregor et al. ]
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Radar data reveal how sensitive the Greenland Ice Sheet is to long-term climatic changes [Also see Report by MacGregor et al. ]
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