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The Influence of Solar Variability on the Atmosphere and Ocean Dynamics. Speaker : Pei-Yu Chueh Adviser : Yu- Heng Tseng Date : 2010/09/09. Introduction. Observation - Solar variability.
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The Influence of Solar Variability on the Atmosphere and Ocean Dynamics Speaker:Pei-Yu Chueh Adviser:Yu-Heng Tseng Date:2010/09/09
Observation-Solar variability • The variation of 1.4W/m2 observed between the 11-year cycle minimum in 1986 and maximum in 1991 could be deduced potentially to cause a mean increase in global average surface temperature of ca. 0.12 K . [Haigh, 2002]
Observation-Solar signals • Atmosphere • Ocean bathythermograph [van Loonet al., 2000] [White et al., 1997]
Mechanism • The coupled air-sea response mechanism to solar forcing. • Increased solar • Increased input in cloud free areas • More vapor (precipitation) • More evaporation (temperature) • Stronger trades [Meehlet al., 2003; Van Loon et al., 2007]
Mechanism • The variations in stratospheric ozone in response to solar variability. • Solar irradiance • UV • O3 • Stratosphere • Troposphere warming • Heating ocean • [Haigh, 1996; Shindell et al., 1999; White, 2006]