insolation and the seasons Flashcards
What is insolation?
incoming solar radiation
what are factors that affect insolation
angle of isolation
duration of insolation
type of surface insolation strikes
What is visible light?
most of the solar energy that reaches the earth is in the form of
what are 2 things that are visible light
some is infrared and some is ultraviolet
what does angle of insolation affect
the temp
what is nearly all the uv raditation absorbed by earth’s stratosphere
ozone gas in the ozone layer
what other gases absorb much of the incoming infrared radiation
water vaper,co2,methane greenhouse gases
what is visible light converted to
heat (infrared radiation)
what warms the surface and the atmosphere
terrestrial radiation
what happens when earth revolves around the sub causing the northern and southern hemisphere to alternate
the amount of insolation they receive during the year
Define parallelism
earths axis always points in the same direction towards Polaris
What are seasons caused by?
The tilt of the Earth’s axis
solar noon
the moment when the sun reaches its highest altitude in the aky for the day
when is the sun dierctly over head NY
never
what latitudes can the solar noon be dierclty overhead
between 23.5 N and 23.5 S
where would the direct solar radiation always strike if the earths axis was not tilted
The equator
no tilt causes
no seasonal changes
As latitude increases from the equator, temperatures would decrease at equal predictable race both north and south
Happen if earths axis was more tilted
more extreme seasons
where are shadows always casted
in the opposite direction
When are shadows longest?
early morning and late afternoon
in nys where is the noon soon always
the southern sky
when does radiative balance occur
when incoming solar radiation equals outgoing terrestrial radiation
what is insolation lag
the greatest temperatures for the day and year that occur at a time later than the greatest intensity for insolation for the day of year
where does the June stoltise always set and rise
north east and north west
where does EQ always set and rise
east and west
where does DS always set and rise
south east and south west
