The_Climate_of_Canada(加拿大气候).ppt

1、of Canada,The Climate,The Geographical Position,vast coastlines&diverse weather the Pacific Ociean to the west the Arctic Ociean to the north the Atlantic Ociean to the east,Hudson Bay,Facters Infect the Climate,Hudson Bay (哈德逊湾),faciliatate(加强) the southward penetration( 入侵) of cold arctic air,Fact

2、ers Infect the Climate,make the southeast of Canada warmer,limit effects,The Gulf Stream（墨西哥湾）,Facters Infect the Climate,The Labrador Current(拉布拉多寒流) reduce the tempreture in the northeast of the country,The summer months warm the Prairie Procinces in the west,Cities along the Atlantic and Pacific

3、coasts such as Halifax and Vancouver have mild climates similar to Boston or Seattle,The Maritime Province,often damp, cold, and cloudy.Occasionally,hurricanes that have travelled up the eastern coast of the US bring heavy rians and winds to maritime regions,Prairie Province,summer : warm , ideal fo

4、r growing grain. have thunderstorms and enough rianfall to support agriculture. Winter : bring blizzards and cold winds.,British Columbia,two distinct climate zones: the wet milder coastal region and the drier inland region.,The northern regions, during the winter months: experience severe cold weat

5、her with average temperatures in the rang of -25C to -35C . in summer: the days are long and daily highs are ofen above 16C .Fog and cloud are commom,The Influences of the Cold Weather-Great energy consumption,1.Direct consumption(about 1/3 of the annual energy consumption ),preventing the freezing coldness sweeping the snow melting the ice,2.Indrect consumption(also considerable),for example, if the thickness of snow increased by 1 mm, 50 per cent more energy will be consu