Quiz 23 - Climate Feedbacks_ FA23_ METR-112 Sec 85 - Globl Climate Chng
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Apr 3, 2024
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Uploaded by xiaoqinglii96
11/6/23, 8:46 PM
Quiz 23 - Climate Feedbacks: FA23: METR-112 Sec 85 - Globl Climate Chng
https://sjsu.instructure.com/courses/1571472/quizzes/1687479
1/4
Which are the examples of trend that you can see in a temperature time
series plot?
(1) Trend
(2) Oscillation
(3) Random variations
(4) Jump
Only 2 Only 1 1, 2, 3, 4 Only 3 2 / 2 pts
Question 2
If you were to break up the data, what are the trends over the following
time periods
(1) 1880-1920; (2) 1920-1940 and (3) 1970-2000
11/6/23, 8:46 PM
Quiz 23 - Climate Feedbacks: FA23: METR-112 Sec 85 - Globl Climate Chng
https://sjsu.instructure.com/courses/1571472/quizzes/1687479
2/4
(1) decreasing (2) decreasing trend (3) increasing trend (1) no obvious trend (2) increasing trend (3) increasing trend (1) increasing (2) decreasing trend (3) no significant trend (1) increasing (2) decreasing trend (3) decreasing trend 2 / 2 pts
Question 3
Positive feedback describes processes that accelerate the initial change
True False
11/6/23, 8:46 PM
Quiz 23 - Climate Feedbacks: FA23: METR-112 Sec 85 - Globl Climate Chng
https://sjsu.instructure.com/courses/1571472/quizzes/1687479
3/4
2 / 2 pts
Question 4
Negative feedback describes processes that reduces an imposed change
True False 0 / 4 pts
Question 5
Incorrect
Incorrect
What is the sequence of feedback for “ice-albedo feedback” under a
warming climate?
(1) Earth warms;
(2) Earth cools;
(3) ice coverage decreases;
(4) ice coverage increases;
(5) albedo decreases;
(6) albedo increases;
(7) absorption of sunlight decreases;
(8) absorption of sunlight increases;
As a result, it leads to even higher temperature
2, 4, 6, 8 2, 4, 5, 7 1, 3, 5, 8 1, 3, 5, 7 4 / 4 pts
Question 6
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11/6/23, 8:46 PM
Quiz 23 - Climate Feedbacks: FA23: METR-112 Sec 85 - Globl Climate Chng
https://sjsu.instructure.com/courses/1571472/quizzes/1687479
4/4
What is the sequence of feedback for “water vapor feedback” under a
cooling climate?
Earth cools;
(1) Evaporation decreases;
(2) Evaporation increases;
(3) Atmospheric water vapor content decreases;
(4) Atmospheric water vapor content increases;
(5) Greenhouse effect weakens;
(6) Greenhouse effect strengthens;
As a result, Earth cools even more.
2, 4, 5 1, 3, 6 2, 4, 6 1, 3, 5 0 / 3 pts
Question 7
Incorrect
Incorrect
For cloud feedback of high clouds,
1. high clouds are thin, thus only reflect little of the incoming shortwave
radiation. 2. Trap out-going longwave radiation towards space.
As a result, the net effect is warming
True False