Canadian field activities in ice engineering(2)
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چکیده
منابع مشابه
The Goldilocks dilemma: big ice, little ice, or ‘‘just-right’’ ice in the Eastern Canadian Arctic
Our conceptions of the NE sector of the Laurentide Ice Sheet (LIS) at the Last Glacial Maximum (LGM) have evolved through three major paradigms over the past 50 years. Until the late 1960s the conventional view was that the Eastern Canadian Arctic preserved only a simple deglacial sequence from a LIS margin everywhere at the continental shelf edge (Flint Paradigm). Glacial geologic field studie...
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Much has been written about the violent nature of ice hockey and the need to make it safer.' Perhaps the most telling evidence of its violent or unsafe nature were reports of spinal cord injuries in the 1980s and 1990s2 The medical profession was so concerned about the problem that representation was made in February 1983 to the board of directors of the Canadian Amateur Hockey Association (now...
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Reconstructing the past variability of Arctic sea ice provides an essential context for recent multi-year sea ice decline, although few quantitative reconstructions cover the Holocene period prior to the earliest historical records 1,200 years ago. Photochemical recycling of bromine is observed over first-year, or seasonal, sea ice in so-called "bromine explosions" and we employ a 1-D chemistry...
متن کاملIn Situ Field Sequencing and Life Detection in Remote (79°26′N) Canadian High Arctic Permafrost Ice Wedge Microbial Communities
Significant progress is being made in the development of the next generation of low cost life detection instrumentation with much smaller size, mass and energy requirements. Here, we describe in situ life detection and sequencing in the field in soils over laying ice wedges in polygonal permafrost terrain on Axel Heiberg Island, located in the Canadian high Arctic (79°26'N), an analog to the po...
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The information revolution has led to profound changes in hydraulic engineering. Many of these changes are enabled through developments in hydroinformatics. This paper summarizes key elements of hydroinformatics, and it provides examples of projects that have benefited from the new developments. Future hydraulic engineering challenges include the development of more effective means of engaging ...
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ژورنال
عنوان ژورنال: Journal of the Japanese Society of Snow and Ice
سال: 1981
ISSN: 0373-1006,1883-6267
DOI: 10.5331/seppyo.43.175