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a) Venus is a wonderfully bright morning “star” during parts of the year for us – it is the high albedo that makes it appear so bright and visible even at dawn.  Explain why even though Venus has an albedo that is nearly twice as high as Earth's its average surface temperature is hot enough to melt lead. What appears to be controlling the climate on Venus? B) Venus does not have plate tectonics like the earth but it does seem to go through periods of intense volcanic activity at a time scale of every 500 million years (we are not sure how or why this happens).  But it has been nearly 500 million years since the last major volcanic episode – if Venus were to begin to have a new volcanic episode what impact would this have on the Venusian climate?  Explain why it might be hard to predict if the climate would get even hotter or perhaps cool down.  Make sure to talk about both positive and negative climate feedbacks associated with volcanic activity.

a) Venus is a wonderfully bright morning “star” during parts of the year for us – it is the high albedo that makes it appear so bright and visible even at dawn.  Explain why even though Venus has an albedo that is nearly twice as high as Earth's its average surface temperature is hot enough to melt lead. What appears to be controlling the climate on Venus? B) Venus does not have plate tectonics like the earth but it does seem to go through periods of intense volcanic activity at a time scale of every 500 million years (we are not sure how or why this happens).  But it has been nearly 500 million years since the last major volcanic episode – if Venus were to begin to have a new volcanic episode what impact would this have on the Venusian climate?  Explain why it might be hard to predict if the climate would get even hotter or perhaps cool down.  Make sure to talk about both positive and negative climate feedbacks associated with volcanic activity.

Applications and Investigations in Earth Science (9th Edition)
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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a) Venus is a wonderfully bright morning “star” during parts of the year for us – it is the high albedo that makes it appear so bright and visible even at dawn.  Explain why even though Venus has an albedo that is nearly twice as high as Earth's its average surface temperature is hot enough to melt lead. What appears to be controlling the climate on Venus?

B) Venus does not have plate tectonics like the earth but it does seem to go through periods of intense volcanic activity at a time scale of every 500 million years (we are not sure how or why this happens).  But it has been nearly 500 million years since the last major volcanic episode – if Venus were to begin to have a new volcanic episode what impact would this have on the Venusian climate?  Explain why it might be hard to predict if the climate would get even hotter or perhaps cool down.  Make sure to talk about both positive and negative climate feedbacks associated with volcanic activity. Draw

Question #1: Comparing climates at the planetary scale Venus • Venus - Albedo: 0.72 (high fraction of light reflected back into space) Radar surface image - Atmosphere: 96.5% CO2, 3.5 % N, and 20 ppm H,O -Average temp: 464°C Atmosphere image Amount of in coming solar radiation: 2,660 W/m? • Earth - Albedo: 0.39 - Amount of in coming solar radiation: 1,380 W/m? Earth - Atmosphere: 78% N,, 21% O,, 350 ppm CO2, and 0-1% H,О Average temp: 15°C
Transcribed Image Text:Question #1: Comparing climates at the planetary scale Venus • Venus - Albedo: 0.72 (high fraction of light reflected back into space) Radar surface image - Atmosphere: 96.5% CO2, 3.5 % N, and 20 ppm H,O -Average temp: 464°C Atmosphere image Amount of in coming solar radiation: 2,660 W/m? • Earth - Albedo: 0.39 - Amount of in coming solar radiation: 1,380 W/m? Earth - Atmosphere: 78% N,, 21% O,, 350 ppm CO2, and 0-1% H,О Average temp: 15°C
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