Transcript 2.6 Continentality & climate

Continentality & Climate
• Understand how continentality affects climate
• Ch. 4 P. 69-73
Continental
Coastal
Define the term temperature Range
• Temperature range = the difference
between the highest and the lowest
average monthly temperatures of a
region.
• Large or high temperature range =
extremes of temperature, hot summer
cold winter.
• Small or low temperature range =
moderated temperature, warm summer,
cool winter
Did You Know?
• That Newfoundland’s annual
temperature range is 20C. (Environment Canada)
• In comparison, Winnipeg's is 38.9 and
Vancouver's is 14.8.
• Would you classify Newfoundland’s
temperature range as extreme (high) or
moderate (low)?
Analyze the relationship between range of
temperature and distance to the ocean. P. 69
• As distance from the ocean increases, summer
temperatures are higher.
• As distance from the ocean increases winter
temperatures are lower
• THE RESULT:
– As distance from the ocean increases, annual
temperature range increases (larger).
• Continental climates experience greater extremes of
temperature than coastal climates at the same
latitude
Hot summers & colder
winters
Warm summers & cool
winters
Continentality…for real
• The plains region of Saskatchewan, for
example, experience a continental climate.
The winter temperatures are very cold.
The summer temperatures are fairly hot.
• Coastal Newfoundland would experience a
Maritime climate. The winter temperatures
would be very mild. The summer
temperatures would be warm but not hot.
Climate Graphs
Climate Graphs…cont’d
Where would this location be? (Northern Hemisphere, Southern
Hemisphere or equator?)
Where?
•Hemisphere?
•Near water?
Seasons?
•Summer
•Winter
•Dry
•Wet
Temperatures?
Precipitation?
•Dry
•Wet
Account for the seasonal changes in precipitation and
temperature for a selected location
• Explain the differences in these two climographs
•Latitude?
•Elevation?
•Distance from ocean?
•Type of rainfall?
Define “Monsoon” p. 70
• From Arabic for seasonal wind
• A sudden wet season in the tropics
Equator
Monsoons
Know why winter and summer monsoons occur.
P. 70-71
India’s Winter monsoon
H
L
•Continental Asia cools (in comparison to….the ocean)
•High atmospheric pressure results over the land
•Wind blows southward towards the low over Indian ocean
•Very little rain; dry wind blowing from the land
India’s Summer monsoon
L
H
•Continental Asia heats up (in comparison to….the ocean)
•Low atmospheric pressure results over the land
•Wind blows northward towards the low over India
•Heavy rains; moist wind blowing from warm Indian ocean
Distinguish between the terms weather & climate. P.
54
• Climate = the average
atmospheric conditions of a
region.(longer term - ex. trend,
monthly seasonal, yearly)
• Weather = the state of the
atmosphere at any one place
or time. (ie. Short term - daily)
• Both refer to temperature, rain
fall, humidity etc.
• Weather is short term
Whereas climate is average
over long time
Practice See the pattern & fill in the blank
City
Low & high
temp.
Dist. From ocean Temp. range
Km
St. Johns
-4 to +15
0
19
Regina
-17 to +19
1350
36
Ottawa
?
32
Quebec city
350
?
Cities considered in this exercise are all between 44 & 50 ON
HOMEWORK/LAB
•Create scatter-graph p. 69 #33
•Draw a “line of best fit”
•Statement describing relationship
between distance from the ocean
and temperature range