Index

40-km Problem, see Model "Ozone Deficit" Activation Energy, 22 Age of Air in the Stratosphere, 130-131 Antarctic Ozone Hole Area. 152-153

Chlorine Activation, 160-161

Chlorine Deactivation, 172-173

CIO dimer, 161 164

CI, in the Vortex, 166-168

Descent in the Vortex. 158-159

Denitrification and Dehydration, 164-165

Depth, 152-154

Heterogeneous Chemistry on PSCs, 160-161

Latitudinal Distribution of I.oss, 153-154 (>, Catalytic Loss Cycles, 168-169 O, Loss, 10-12, 160-172 Polar Stratospheric Clouds (PSCs), 158-16(1 Polar Vortex, 155-158 Arctic Ozone Loss Chlorine Activation. 178-179 CI, in the Vortex, 178 Denitrification and Dehydration, 177-178 Descent in the Vortex. 176-177 O, Loss, 179-182 Polar Vortex, 175-177 Arrhenius, Svante, 22 Association Reactions, 23-24 High-Pressure Limit, 23 Low-Pressure Limit, 23

Br, see Br„ Odd Bromine BrCi. .see Odd Bromine Brewer-Dobson Circulation, 126—127 BrO, see Br,, Odd Bromine BrONO;,, see Odd Bromine BrONO, Hydrolysis, 107-108

Enhancement from Eruption of Mount

Pinatubo, 141-142 Source of HO,. 95 Br„ 103-105 Br,, see Odd Bromine

Carbon Monoxide (CO), 96 Catalytic Loss of Odd Oxygen, 47-52 Cycles, <o>. 168-169

CH,„ 123-125 Chapman Chemistry, 41-42 Chemical Families, 60-61

CI. see C'L, Odd Chlorine CIO, see C\, Odd Chlorine ClONO -, see Odd Chlorine C),, 66-69

Cly, see Odd Chlorine CO, sec Carbon Monoxide Column O,, 6 Compact Relation, 134 Continuity Equation, 28-30

Denitrification and Dehydration, 164-165 Diurnal Steady State, 30 Dob,son Unit (DU). 7

Eddy Transport, 127-128 Equivalent Latitude. 37

Eruption of Mount Pinatubo, see Mount Pinatubo Eruption

First-Order Reactions. 18-20

HBr, see Odd Bromine HCI, see Odd Chlorine Heterogeneous Reactions Kinetics, 24-28 Reactions on PSCs, 160-161 sec also N,Os Hydrolysis see also BrONO, Hydrolysis HF, see. Odd Flourine HNO-„ see Odd Nitrogen HOBr. .vcc Odd Bromine. 99 HOC1, see Odd Chlorine, 99 HO„ see Odd Hydrogen

HO,, see Odd Hydrogen Hydrolysis Reactions, see N,0, Hydrolysis, BrONO, Hydrolysis "

Lifetime, 29, 30-33 Global, 33 Local, 32 of CFCs, 63 of Brv Members, 104 of CI,. Members, 66-67 of HO, Members, 98 of NO,, Members, 81 of O,, 52-54 Replacement, 31-32 Stratospheric. 33 Long-Lived Tracer. 37-38. 133-135 Compact Relation, 134 Slope Equilibrium, 134 Lowermost Stratosphere, 120

M or [M], 4 Mesopause. 1 Mesosphere, 1 Middleworld, 120 Mid-Latitude Ozone Trends, 12-! 4 Model "Ozone Deficit", 56 Mount Erebus, 168 Mount Pinatubo Eruption Effect on Aerosol Surface Area Density, 137-139

Effect on Stratospheric Circulation, 148-149 Effect on Column Ozone, 15-16 Effects on Photolysis, 147 Heterogeneous Chemistry, 139-144 Changes in CIy, 144-145 Changes in HO„ 145-146 Changes in Ox Loss Rates, 146-147 Net Effect of the Volcanic Eruption, 149-150, 15-16

Nevado del Rui/„ 137 NX),, see Odd Nitrogen NA Hydrolysis, 86-87

Enhancement from Eruption of Mount

Pinatubo. 139-141 Source of HO„ 95 NO, see NO,. Odd Nitrogen NO,, see NO,, Odd Nitrogen NO,, 80 84 NO,., see Odd Nitrogen Number density, 4

Odd Bromine (Br,), Defined. 103

Derived From Halons, 102-103 Diurnal Cycles. 110-112 Lifetimes, 104 Loss, 112

Partitioning, 103-108 Polar Night Partitioning, 110 Stratospheric Abundance, 108-110 Odd Chlorine (Cly>, 61-79 Defined, 66

Derived From CFCs, 61-64 Diurnal Cycles, 74 -77 Lifetimes, 66-67 Loss, 79

Partitioning, 65-78 Stratospheric Abundance, 71-75 Odd Fluorine, 112-113 Odd Hydrogen (HO,). Defined, 94 Lifetimes, 98 Loss, 100-102 Partitioning, 97-100 Production, 94-97 Stratospheric Abundance, 101-102 Odd Nitrogen (NO,.). 79-94 Defined, 80

Derived from N;0, 79-80 Diurnal Cycles, 90-94 Lifetimes, 81 Loss, 94

Partitioning, 80-94 Stratospheric Abundance, 87-88 Odd Oxygen (Oj. 42-47

Contributions of Catalytic Cycles to Loss,

55-56 Defined, 42 Distribution, 6-8

Influence of Transport on Distribution,

117-119, 131-133 Lifetime. 52-54. 131-133 Loss Rale. 52 Partitioning, 44-45 Production Rate, 52 Steady-State Approximation, 46 Trends, 12-14 OH, see Odd Hydrogen Overworld, 120 Ozone (O,)

Absorption of UV radiation, 2 Decrease After the Eruption of Mount

Pinatubo, 15-16 Distribution in [he atmosphere, 5—10 Mid-Latitude Trends. 12-14 Role in stratospheric energy balance. 3 Role in tropospheric energy balance. 3

O,, see Odd Oxygen

Ozone Deficit, see Model "Ozone Deficit" Ozone Hole, see Antarctic Ozone Hole

Photochemical Steady State, 30 Photolysis. 19-20

Effects of Mount Pinatubo on Photolysis, 147 Photolysis Frequency, 19 Polar Stratospheric Clouds, 158-160 Polar Vortex Arctic, 175-177 Antarctic, 155-158 Potential Temperature, 34—36 Potential Vorticity, 37 Pressure Altitude, 34 PSCs, see Polar Stratospheric Clouds PV. see Potential Vorticity

Rate Limiting Step, 48 49 Reactive Uptake Coefficient, 25

SAD, see Surface Area Density Second-Order Reactions, 21-22 Temperature Dependence, 22 Solar Zenith Angle, 20 Steady state, 29-30 Stratopause. 1 Stratosphere, 1

Stratosphere-Troposphere Bxchange. 119-125 Stratosphere- Mesosphere F.xchange. 125-126 Sulfate Aerosols, 25-27 Surface Area Density, 25 SZA, see Solar Zenith Angle

Temperature Dependence of Second-Order

Reactions. 22 Thermal Decomposition, 24 Three-Body Reactions, see Association Reactions Transport

Barriers. 128-129

Influence on Long-Lived Tracer Distribution. 129-130

Influence on Odd Oxygen Distribution, 117-119 Tropopause, 1, 119-126 Troposphere, 1

VMR, see Volume Mixing Ratio Volcanic Effects, see Mount Pinatubo Eruption Volcano, see Mount Pinatubo Eruption Volume Mixing Ratio, 4

Water Vapor. 122-12.5

Zonal Average, 37

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