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Single-column and mixed-layer model analysis of subtropical stratocumulus response mechanisms relevant to climate change
Subtropical stratocumulus clouds are important part of the Earth's energy budget. The response of low clouds to Earth's changing climate is one of the dominant uncertainties in global warming projections, due primarily to unresolved parameterized cloud processes in global climate models (GCMs). Improving our understanding ...
Climate Response to Solar Variation: Cyclic and Secular
The radiation emitted by the Sun varies both cyclically and secularly. We first study in this thesis the response of the Earth's temperature to the 11-year solar cycle at the surface and in the troposphere. Then we study multi-century long climate response and attribute it to various causes, including the Sun. The solar ...
Veriﬁcation of cloud production in the Community Atmosphere Model: A comparison of two data assimilation techniques
Clouds play an important role in regulating our climate, and it is vital that we are able to accurately simulate them in global climate models. Data assimilation can be used to force the model towards simulating a specific historical event, and then the clouds simulated can be compared to those observed during the event. Two ...