Isolation and Seasons Flashcards
(50 cards)
What is insolation
Incoming solar radiation
What is ozone
O3
Where is O3 found
stratosphere
What does ozone do?
Absorbs harmful uv rays from the sun
Less ozone would cause
more uv; more skin cancer, cataracts
What is destroying ozone?
chlorofluorocarbons (CFCs) –> spray can propellants
Low angle on insolation means ___ ____ ___
Spread out (indirect rays)
Cooler
Longer shadows
High angle of insolation means
Sun rays concentrated (direct rays)
Hotter
Shorter shadow
Factors that affect AOI, time of day
highest angle - solar noon
lowest angle - sunset and rise
Factors that affect AOI, time of year
low angle - winter
medium angle - spring and autumn
high angle - summer
Low latitute _______ of AOI, High latitude ______ AOI
high angle, low angle
We are closer to the sun in our ____, and farther in our ______
winter, summer
Earth is tilted….
23.5 degrees
temp goes up when
energy absorbed > radiated
temp goes down when
energy radiated > absorbed
temp stays the same
energy absorbed = radiated
Our noon time shadow points ____, because the noon time sun is to the ____
North, south
North sides are…. and are good for…..
shady and cooler, good for ski slopes and moss
South sides are…. and are good for…..
Sunny and warmer, good for solar panels swimming pools etc
Date of summer solstice
June 21 + -
Date of winter solstice
December 21 + -
Date of Autumnal equinox
September 22 + -
Date of Vernal equinox
March 20 + -
Suns vertical ray during summer solstice
Tropic of cancer
