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The Influence of Solar Variability on the Atmosphere and Ocean Dynamics

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

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  1. The Influence of Solar Variability on the Atmosphere and Ocean Dynamics Speaker：Pei-Yu Chueh Adviser：Yu-Heng Tseng Date：2010/09/09

  2. Introduction

  3. 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]

  4. Observation-Solar signals • Atmosphere • Ocean bathythermograph [van Loonet al., 2000] [White et al., 1997]

  5. 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]

  6. 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]

  7. Thank you!

  8. The influence of solar forcing

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