MECHANISMS FOR DECADAL-TO-CENTENNIAL CLIMATE
VARIABILITY
E.S. SARACHIK, M. WINTON, AND F.L. YIN.
University of Washington
Seattle, USA
Contents
1 Introduction
1.1 The Instrumental Record
1.2 The Paleo-Record.
1.3 Mechanisms........
2 Forcing Function Variability
2.1 Solar Output . . . . . .
2.2 Volcanoes . . . . . . . .
2.3 Anthropogenic Aerosols
2.4 Other External Forcings
3 Stochastic Forcing
3.1 Some Simple Statistical Preliminaries.
3.1.1 Coin Tossing . . . . . . . . . .
3.1.2 The variance of sample means .
3.2 The Hasselmann Mechanism ..
3.3 Atmospheric Variability . . . .
3.4 Variability in Coupled Models .
4 Decadal ENSO Variability
5 Internal Ocean Variability
5.1 Boundary Conditions and the Concept of Internal Ocean Variability
5.2 General Considerations of Variability .
5.3 Decadal Variability . . .
5.4 Longer Term Variability . . . . . . .
6 Coupled Atmosphere-Ocean Modes
7 Sudden Transitions
8 Mechanism and Predictability
NATO AS! Series, Vol. ! 44
Decadal Climate Variability
Dynamics and Predictability
158
158
161
161
163
163
165
166
167
167
167
167
169
169
171
174
175
177
177
179
180
183
191
194
202·
Edited by David L. T. Anderson and Jilrgen Willebrand
© Springer-Verlag Berlin Heidelberg 1996
VARIABILITY
E.S. SARACHIK, M. WINTON, AND F.L. YIN.
University of Washington
Seattle, USA
Contents
1 Introduction
1.1 The Instrumental Record
1.2 The Paleo-Record.
1.3 Mechanisms........
2 Forcing Function Variability
2.1 Solar Output . . . . . .
2.2 Volcanoes . . . . . . . .
2.3 Anthropogenic Aerosols
2.4 Other External Forcings
3 Stochastic Forcing
3.1 Some Simple Statistical Preliminaries.
3.1.1 Coin Tossing . . . . . . . . . .
3.1.2 The variance of sample means .
3.2 The Hasselmann Mechanism ..
3.3 Atmospheric Variability . . . .
3.4 Variability in Coupled Models .
4 Decadal ENSO Variability
5 Internal Ocean Variability
5.1 Boundary Conditions and the Concept of Internal Ocean Variability
5.2 General Considerations of Variability .
5.3 Decadal Variability . . .
5.4 Longer Term Variability . . . . . . .
6 Coupled Atmosphere-Ocean Modes
7 Sudden Transitions
8 Mechanism and Predictability
NATO AS! Series, Vol. ! 44
Decadal Climate Variability
Dynamics and Predictability
158
158
161
161
163
163
165
166
167
167
167
167
169
169
171
174
175
177
177
179
180
183
191
194
202·
Edited by David L. T. Anderson and Jilrgen Willebrand
© Springer-Verlag Berlin Heidelberg 1996
