منابع مشابه
Polar compounds in diesel soot and historic monument surfaces
Diesel soot, an important contributor to atmospheric aerosols, consists of a complex mixture of compounds. However, a very limited knowledge on the organic composition of aerosol and the water soluble fraction exists. A considerable portion of polar (oxygenated) organic compounds remained unanalysed, and additional analyses are needed to identify the polar compounds. Column fractionation of a d...
متن کاملTeleconnection 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 کاملResponse to Dyck et al. (2007) on polar bears and climate change in western Hudson Bay
The ‘‘viewpoint’’ article by Dyck et al. (2007) [Dyck. M.G., Soon, W., Baydack, R.K., Legates, D.R., Baliunas, S., Ball, T.F., Hancock, L.O., 2007. Polar bears of western Hudson Bay and climate change: are warming spring air temperatures the ‘‘ultimate’’ survival control factor? Ecol. Complexity 4, 73–84. doi:10.1016/j.ecocom.2007.03.002.] suggest that factors other than climate warming are res...
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...
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ژورنال
عنوان ژورنال: Report of the Annual Meeting
سال: 1922
ISSN: 0317-0594,1712-9095
DOI: 10.7202/300010ar