Angle of Insolation Some light strikes with a low angle.

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Presentation transcript:

Angle of Insolation Some light strikes with a low angle

Angle of Insolation Some light strikes with a great angle

Angle of Insolation Which is the smaller angle of insolation? Which will make the ground more hot? Which will make a SHORTER shadow?

In the diagram at left, an observer in New York State “sees” the sun at three different noon-times during the course of a year (X, Y, and Z). ZENITH

The animation indicates a shadow growing to the east, because (1) the sun is rising in the east. (2) the Earth rotates the same way. (3) the sun is setting to the west. (4) the Mayan calendar ends this year!

ZENITH In the diagram at left, an observer in New York State “sees” the sun at three different noon-times during the course of a year (X, Y, and Z).

Which light waves are more concentrated? Which light waves are more diffuse?

Which has more energy? They are both equal! One is more diffuse and one more concentrated!

Which diagram best shows the noon Sun providing an observer with the greatest amount of insolation? WHY?

Angles of insolation vary for 3 reasons: 1. The season (Angle of insolation is greater in summer) 2.The latitude of the light (The lower the latitude the greater the angle) 3.The time of day (Angle of insolation is greater at noon)

SEASONS

LATITUDE

TIME OF DAY

In New York State, summer is warmer than winter because in summer New York has

Which graph best represents the general relationship between latitude and average surface temperature?