which latitudes receive direct 90° insolation at any point during the year?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
which latitudes receive direct 90° insolation at any point during the year?
Transcribed Image Text:1. Equinox (March 21 and September 23): To model the Earth's position on an equinox (March
21 and September 23), rotate the Earth so that the North Pole is on 0'. Use the protractor on
the model to determine the angle of insolation at noon for the labeled latitudes. Record your
data in the Equinox column on the data table below.
2. June 21: To model the Earth's position on June 21, rotate the Earth so that the North Pole is
pointing 23.5 towards the Sun. Use the protractor on the model to determine the angle of
insolation at noon for the labeled latitudes. Record your data in the June 21 column on the
data table below.
3. December 21: To model the Earth's position on December 21, rotate the Earth so that the
North Pole is pointing 23.5' away from the Sun. Use the protractor on the model to determine
the angle of insolation at noon for the labeled latitudes. Record your data in the December 21
column on the data table below.
I
Angle of Insolation at Noon on the First Day of Each Season
Latitude
June 21
Equinox
December 21
Equator
(0*)
73 degrees
90 degrees
66.5 degrees
Tropic of Cancer
(23.5'N)
90 degrees
66.5 degrees
43 degrees
New York State
71.5 degrees
48 degrees
24.5 degrees
(42 N)
Arctic Circle
47 degrees
23.5 degrees
O degrees
(66.5'N)
North Pole
(90'N)
23.5 degrees
O degrees
no sunlight
Tropic of
Сapricorn
(23.5 S)
66.5 degrees
43 degrees
90 degrees
23.5 degrees
47 degrees
Antarctic Circle
(66.5 S)
O degrees
South Pole
(90 S)
no sunlight
O degrees
23.5 degrees
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