Climate Sensitivity

Climate Sensitivity - CLIMATE SENSITIVITY The Roe and Baker...

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CLIMATE SENSITIVITY The Roe and Baker Paper Summary By Sudarshan.B Uncertainty in climate projections has not narrowed in the past 30 years. Implying a fundamental gap in our understanding Climate sensitivity is defined as equilibrium change in global and annual mean surface air temperature ∆T due to increment in downward radiative flux ∆R f that would result from sustained doubling of atmospheric CO 2 over it’s pre-industrial value. The question to analyze is the high ∆T tail and the decrease in distribution width. Explanations for the range of predictions are due to i) Uncertainties in physical pro- cesses ii) Complex interactions among individual processes iii) Chaotic climate system Feedback analysis is used to see relationships between processes and distribution of ∆T. These are time-independent processes. ∆T = λ∆R f , where λ is a constant. In the absence of feedback we observe that λ is equi- valent to λ o is equivalent to .3. ∆R
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This note was uploaded on 10/21/2011 for the course ATMOSPHERI Research taught by Professor V.ram during the Spring '11 term at UCSD.

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Climate Sensitivity - CLIMATE SENSITIVITY The Roe and Baker...

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