11. The below diagram shows an 800,000 year record atmospheric CO2 extracted from air bubbles trapped in Antarctic Ice cores. What was the average atmospheric CO2 concentration during a glacial period? How about during an interglacial period? How do both of those numbers compare to modern values?

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
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11. The below diagram shows an 800,000 year record
atmospheric CO2 extracted from air bubbles trapped in
Antarctic Ice cores. What was the average atmospheric CO2
concentration during a glacial period? How about during
an interglacial period? How do both of those numbers
compare to modern values?
April 07, 2021
Ice-core data before 1958. Mauna Loa data after 1958.
400
350
300
250
200
150
500
400
300
200
Thousands of Years Ago
CO₂ Concentration (ppm)
800
700
600
1
100
0
Transcribed Image Text:11. The below diagram shows an 800,000 year record atmospheric CO2 extracted from air bubbles trapped in Antarctic Ice cores. What was the average atmospheric CO2 concentration during a glacial period? How about during an interglacial period? How do both of those numbers compare to modern values? April 07, 2021 Ice-core data before 1958. Mauna Loa data after 1958. 400 350 300 250 200 150 500 400 300 200 Thousands of Years Ago CO₂ Concentration (ppm) 800 700 600 1 100 0
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