January snow accumulation in the St. Lawrence Valley (1961-1990) |
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| Authors: | Jerry Toupin |
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| Institution: | 1. Earth and Atmospheric Sciences, University of Alberta, 8406-91st street, Campus St. Jean, T6C 4G9, Edmonton, Alberta, Canada
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| Abstract: | Located in Eastern Canada, the St. Lawrence Valley (between Montreal and Quebec City; ±350 km) is known as one of the snowiest populated valleys in the world. Usually more than 250 cm of snow falls every winter. Snowstorms are frequent, as more than 10 major snowstorms are registered every year 1] interfering greatly with human activities. Numerical analyses (univariate analysis, discriminant analysis and stepwise multiple regression) for the 1961-1990 period on total snow depth for the month of January reveals three winter-regional climates along this valley: A-) the southern part of Montreal; slightly warmer with less snow and less rainfall, B-) the area around Quebec City; colder with more snow and C-) an intermediate corridor in-between those two cities. Two major variables were identified as responsible for explaining these three winter regional climates: maximum temperature and rainfall. |
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