منابع مشابه
Teleconnection between the Arctic Oscillation and Hudson Bay river discharge
[1] Rising surface air temperatures in response to anthropogenic forcing are intensifying the global hydrologic cycle. Some of the more dramatic signs of climate change are increasing precipitation, evaporation, and freshwater discharge in continental river basins draining to high-latitude oceans. At regional scales, however, an acceleration of the hydrologic cycle is not always detected. In co...
متن کاملThe Legacy of Destructive Snow Goose Foraging on Supratidal Marsh Habitat in the Hudson Bay Lowlands
Stephen L. Peterson* Ecological succession and climate change are pushing tundra as well as Arctic and subarctic Robert F. Rockwell† lowland plant communities toward increased woody vegetation cover. However, areas Christopher R. Witte† and along the Hudson Bay Lowlands that are over-grazed by hyper-abundant lesser snow geese David N. Koons‡ are experiencing drastic losses of grass, sedge, and ...
متن کاملAbundance indices of belugas in James Bay and eastern Hudson Bay in summer 2004 Indices d ' abondance
* This series documents the scientific basis for the evaluation of fisheries resources in Canada. As such, it addresses the issues of the day in the time frames required and the documents it contains are not intended as definitive statements on the subjects addressed but rather as progress reports on ongoing investigations. * La présente série documente les bases scientifiques des évaluations d...
متن کاملMortality from Smallpox: The 1780s Epidemic in the Hudson Bay Region
The smallpox epidemic that passed through the Hudson Bay region in 1780-82 is reported to have devastated the native population, causing mortality of 60 to 90 percent. We reassess this claim using three approaches. First we review case-fatality rates from smallpox in more recent, well-documented epidemics; we discuss the nature of smallpox transmission; and we review the possible impact of gene...
متن کاملMultiple Deglaciations of the Hudson Bay Lowlands, Canada, Since Deposition of the Missinaibi (Last-Interglacial?) Formation
s with Programs 14. Andrews, J. T., and Falconer, G. (1969). Late glacialand post-glacial history and emergence of the Ot-tawa Islands, Hudson Bay, N.W.T.: Evidence onthe deglaciation of Hudson Bay. Canadian Journa/of Earth Sciences 6, 12631276. Andrews, J. T., and Mahaffy, M. A. (1976). Growthrates of the Laurentide Ice Sheet and sea level low-ering (with emphasis on th...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1917
ISSN: 0036-8733
DOI: 10.1038/scientificamerican04281917-418