The following images and data are from the NASA Ozone Watch website. 2020 Season Annual records Sep 20: 25 2006: 27 2020: 24 Jul 1:0 Dec 31:0 Ozone hole area (millions of km') 1979: 0 Jul 1: 233 Dec 31: 235 Average (7 Sep. -13 Oct.) ozone hole area (millions of km') 1979: 225 I1994: 92 Oct 6: 94 h.u.l.lllul.I 2020: 103 Minimum ozone (Dobson Units) Dec 31: 214 Average (21 Sep. -16 Oct.) minimum ozone (Dobson Units) Aug 12: 179 1980 1990 2000 2010 2020 Jul 1: 183 Minimum stratospheric temperature (K) Note: No data were acquired during the 1995 season Jul Aug Sep Oct Nov Dec a) Looking at the Annual records plot, briefly explain how you can tell that the 2020 ozone hole was worse than the preceding year (2019). b) Considering the data in the first plot (and other knowledge you have from the class), offer an explanation as to why the 2020 ozone hole might have been particularly bad. From the NASA site for the first figure: "The graphs above show the progress of the ozone hole for 2020. The gray shading indicates the highest and lowest values measured since 1979. The red numbers are the maximum or minimum values. The dashed line in the minimum temperature plot indicates the temperature below which PSCS can form." (This can be brief- one sentence should be enough.)
The following images and data are from the NASA Ozone Watch website. 2020 Season Annual records Sep 20: 25 2006: 27 2020: 24 Jul 1:0 Dec 31:0 Ozone hole area (millions of km') 1979: 0 Jul 1: 233 Dec 31: 235 Average (7 Sep. -13 Oct.) ozone hole area (millions of km') 1979: 225 I1994: 92 Oct 6: 94 h.u.l.lllul.I 2020: 103 Minimum ozone (Dobson Units) Dec 31: 214 Average (21 Sep. -16 Oct.) minimum ozone (Dobson Units) Aug 12: 179 1980 1990 2000 2010 2020 Jul 1: 183 Minimum stratospheric temperature (K) Note: No data were acquired during the 1995 season Jul Aug Sep Oct Nov Dec a) Looking at the Annual records plot, briefly explain how you can tell that the 2020 ozone hole was worse than the preceding year (2019). b) Considering the data in the first plot (and other knowledge you have from the class), offer an explanation as to why the 2020 ozone hole might have been particularly bad. From the NASA site for the first figure: "The graphs above show the progress of the ozone hole for 2020. The gray shading indicates the highest and lowest values measured since 1979. The red numbers are the maximum or minimum values. The dashed line in the minimum temperature plot indicates the temperature below which PSCS can form." (This can be brief- one sentence should be enough.)
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:The following images and data are from the NASA Ozone Watch website.
2020 Season
Annual records
Sep 20: 25
2006: 27
2020: 24
Jul 1:0
Dec 31:0
Ozone hole area (millions of km')
1979: 0
Jul 1: 233
Dec 31: 235
Average (7 Sep. -13 Oct.) ozone hole area (millions of km')
1979: 225
I1994: 92
Oct 6: 94
h.u.l.lllul.I 2020: 103
Minimum ozone (Dobson Units)
Dec 31: 214
Average (21 Sep. -16 Oct.) minimum ozone (Dobson Units)
Aug 12: 179
1980
1990
2000
2010
2020
Jul 1: 183
Minimum stratospheric temperature (K)
Note: No data were acquired during the 1995 season
Jul
Aug
Sep
Oct
Nov
Dec
a) Looking at the Annual records plot, briefly explain how you can tell that the 2020 ozone hole was worse than the
preceding year (2019).
b) Considering the data in the first plot (and other knowledge you have from the class), offer an explanation as to why
the 2020 ozone hole might have been particularly bad. From the NASA site for the first figure: "The graphs above
show the progress of the ozone hole for 2020. The gray shading indicates the highest and lowest values measured
since 1979. The red numbers are the maximum or minimum values. The dashed line in the minimum temperature plot
indicates the temperature below which PSCS can form." (This can be brief- one sentence should be enough.)
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