CHAPTER 11 FIGURES

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Figure 11.01

October Ozone Minimum at Halley Bay, Antarctica

Figure 11.02

BUV and TOMS Antarctic Ozone Data

Figure 11.03

Antarctic Ozone Percent Differences Between the 1970s and 1990s

Figure 11.04

October Zonal Mean Total Ozone

Figure 11.05

Annual Variations of Ozone in Antarctica

Figure 11.06

Antarctic Ozone Hole at Syowa, Antarctica for 1982

Figure 11.07

TOMS Total Ozone for Sept-Oct 1982

Figure 11.08

Syowa Ozone Profiles for 1982

Figure 11.09

What Causes the Ozone Hole?

Figure 11.10

Nitrous Oxide Measurements From AAOE Mission

Figure 11.11

Column Abundances of NOx for Sept. 21, 1987, as Measured by AAOE Campaign

Figure 11.12

NCEP Temperature and Wind Analysis Showing Antarctic Polar Vortex

Figure 11.13

Southern Hemisphere Balanced Zonal Wind for August

Figure 11.14

Balanced Zonal Wind at 60°S

Figure 11.15

Balanced Zonal Wind at 50hPa

Figure 11.16

Zonal Mean of Temperature for August (1979-1995)

Figure 11.17

Seasonal Variations in Temperature With Altitude at 80°S

Figure 11.18

Potential Vorticity in the Southern Hemisphere Winter 1994

Figure 11.19

Potential Vorticity Plot for September 20, 1992

Figure 11.20

Global Net Heating Rate at 50hPa (1979-1995 NCEP Data)

Figure 11.21

June Zonal Mean Temperature and Heating Rate (1979-1995 Average)

Figure 11.22

Air Parcel Trajectories Inside the Polar Vortex, Sept. 20-14, 1992, With Total Ozone

Figure 11.23

Air Parcel Descent Inside the Polar Vortex, Apr.-Nov. 1992

Figure 11.24

CLAES Measured N2O Concentrations on the 650K Surface for Selected Days in 1992 and 1993 as Tracer of Stratospheric Motions and Evolution of Polar Vortex

Figure 11.25

Southern Hemisphere Wintertime Stratospheric (Brewer-Dobson) Circulation

Figure 11.26a

TOMS Total Ozone for October 1970-1982

Figure 11.26b

TOMS Total Ozone for October 1983-1990

Figure 11.27

October Zonal Mean Ozone (1979-1992 TOMS Data)

Figure 11.28

Wave One Pattern in the Zonal Mean Total Ozone Field

Figure 11.29

EP-TOMS Total Ozone for Selected Days in October 1996

Figure 11.30

SBUV Measured Ozone Profiles (Mixing Ratio and Density) for October 1987

Figure 11.31

Ozone Profiles Measured at the South Pole, Sept.-Oct. 1994

Figure 11.32

The Annual Cycle of Total Ozone for All Latitudes Based on TOMS 1979-1992 Data

Figure 11.33

TOMS Southern Hemisphere Total Ozone Images for August-December 1992

Figure 11.34

TOMS-Derived Daily Minimum Ozone Amounts for the Southern Hemisphere for 1992 vs 1996 with 1979-1994 Data as Background Average

Figure 11.35

TOMS-Derived Ozone Hole Areal Size for 1992 vs 1996 With 1979-1994 Data as Background Average (Ozone hole is defined as total ozone <220 DU)

Figure 11.36

Average Ozone Hole Size for September 7-October 13 (1979-1996 average)

Figure 11.37

Zonal Average Ozone Concentration for the Southern Hemisphere (POAM II Data)

Figure 11.38

Daily Average Ozone Density at 20 Kilometers Inside the Polar Vortex

Figure 11.39

McMurdo Base, Antarctica Balloon Observations of Ozone at 12 to 20 Kilometers

Figure 11.40

MLS Measured Ozone on the 500 Kelvin Isentropic Surface

Figure 11.41

Ozone Hole Observations Summary

Figure 11.42

Polar Stratospheric Clouds

Figure 11.43

Antarctic Polar Stratospheric Cloud Frequency Distribution (from POAM II data)

Figure 11.44

Plot of Aerosol Particle Volume as a Function of Temperature (based on MASP data)

Figure 11.45

Winter Temperature Range Inside Northern and Southern Polar Vortex at Three Altitudes

Figure 11.46

Schematic Diagram of Polar Stratospheric Cloud Surface Chemistry

Figure 11.47

Plot of ClOx/Cly and HCl/Cly Ratios in the Antarctic Polar Vortex on July 28, 1994

Figure 11.48

Schematic Diagram of Polar Ozone Destruction Reactions

Figure 11.49

Ozone Hole Photochemistry Showing Ozone and Chlorine Monoxide Concentrations

Figure 11.50

Schematic Diagram Showing Heterogeneous Chlorine Chemistry Activation

Figure 11.51

Minimum SH Temperatures and HOCl photolysis Rate at 85°S

Figure 11.52

Chemical Evolution of Air Parcel Inside Antarctic Polar Vortex, August 17 - September 17, 1992

Figure 11.53

UARS Data Showing Antarctic Polar Vortex Trace Chemical Constituents, Sept. 17, 1992

Figure 11.54

Evolution of ClO Concentrations Inside the Antarctic Polar Vortex in 1992

Figure 11.55

Evolution of ClONO2 Concentrations Inside the Antarctic Polar Vortex in 1992

Figure 11.56

Evolution of Nitric Acid (HNO3) Inside the Antarctic Polar Vortex in 1992

Figure 11.57

Northern Hemisphere Total Ozone for Selected March 1971-1998

Figure 11.58

TOMS Northern Hemisphere Total Ozone for Selected March 1971-1998 

Figure 11.59

Zonal Mean Temperature at 80°N and 80°S at 50hPa

Figure 11.60

Schematic Diagram of Ozone Hole Theory