London, United Kingdom is located at -0.178° Longitude, 51.4° Latitude. Enter the solar-zenith angles for this city on each of the following dates. Summer Solstice: Autumn Equinox: Winter Solstice: Spring Equinox:
London, United Kingdom is located at -0.178° Longitude, 51.4° Latitude. Enter the solar-zenith angles for this city on each of the following dates. Summer Solstice: Autumn Equinox: Winter Solstice: Spring Equinox:
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
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Transcribed Image Text:Lab 5 Questions (Angles)
Started: Oct 29 at 2:21pm
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Answer the following questions. You may reopen this activity until the submission deadline. Only your last
attempt before the deadline will be graded. (It is like submitting a paper assignment. The points are earned
based on your final answers.)
*All dates are in reference to the northern hemisphere (i.e., "Summer" means the Northern Hemisphere
summer, June-August).
*Report all significant digits. For example:
o 2/1 = 2
o 1/2 = 0.5
o 1/4 = 0.25
Transcribed Image Text:D
Question 5
London, United Kingdom is located at -0.178° Longitude, 51.4° Latitude.
Enter the solar-zenith angles for this city on each of the following dates.
Summer Solstice:
Autumn Equinox:
Winter Solstice:
Spring Equinox:
(Remember, all answers are positive. There are no negative angles.)
0.5 pts
Expert Solution
Step 1
London UK is located at−0.178∘ Longitude, 51.4∘ Latitude. the solar-zenith angles for this city on each of the following dates;
1) At summer solstice :
Angle of declination, d= 23.45° (Positive during summer solstice)
Latitude, l= 51.4 °
Elevation angle = 90 + l - d
= 90 + 51.4 - 23.45 = 117.95
As you have seen value is greater than 90°, subtract this value from 180°.
Angle of elevation= 180 - 117.95 = 62.05
Zenith Angle = 90 - elevation angle = 90 - 62.05= 27.95
2) At Autumn equinox:
We know Declination =0°
Angle of elevation= 90+ 51.4 -0 = 141.4
As you have value was greater than 90°so subtract it from 180°.
Angle of elevation= 180 - 141.4 = 38.6
Zenith angle = 90 - 38.6 = 51.4
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