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Understanding how uncertainty in the forcing irradiances impacts simulations of snow
Snowmelt in mountains is an important part of the water and energy cycles and provides water for 1/6th of the world's population. The downwelling irradiances are the primary drivers of this melt, however, they are rarely observed. The use of estimated irradiances, few observations, lack of evaluation of alternative sources ...
Understanding how uncertainty in the forcing irradiances impacts simulations of snow
Snowmelt in mountains is an important part of the water and energy cycles and provides water for 1/6th of the world's population. The downwelling irradiances are the primary drivers of this melt, however, they are rarely observed. The use of estimated irradiances, few observations, lack of evaluation of alternative sources ...
On the nature of severe orographic thunderstorms near the Andes in subtropical South America
Identifying common features and differences between the mechanisms producing extreme convection near major mountain ranges of the world is an essential step toward a general understanding of orographic precipitation on a global scale. The overarching objective of this dissertation is to understand and examine orographic ...
Understanding the responses of precipitation, evaporative demand, and terrestrial water availability to planetary temperature in climate models
In many models of land hydrology, precipitation (P) and potential evapotranspiration (PET, a.k.a. evaporative demand) are the main inputs that determine actual evapotranspiration, runoff, soil moisture, and aridity or drought. In the first three chapters of this work, we attempt to understand the robust subtropical P declines, ...
The atmospheric energy constraint on precipitation change
(2014-02-24)
How does rain change with global warming? This dissertation investigates the rate of global-mean precipitation increase, changes in atmospheric radiative cooling, and the changes in frequency and intensity of rain events. We examine changes in global-mean precipitation and atmospheric radiative cooling in comprehensive climate ...