A stratiform cloud parameterization for General Circulation Models
Conference
·
OSTI ID:10148603
- Pacific Northwest Lab., Richland, WA (United States)
- Lawrence Livermore National Lab., CA (United States)
- Washington Univ., Seattle, WA (United States)
The crude treatment of clouds in General Circulation Models (GCMs) is widely recognized as a major limitation in the application of these models to predictions of global climate change. The purpose of this project is to develop a paxameterization for stratiform clouds in GCMs that expresses stratiform clouds in terms of bulk microphysical properties and their subgrid variability. In this parameterization, precipitating cloud species are distinguished from non-precipitating species, and the liquid phase is distinguished from the ice phase. The size of the non-precipitating cloud particles (which influences both the cloud radiative properties and the conversion of non-precipitating cloud species to precipitating species) is determined by predicting both the mass and number concentrations of each species.
- Research Organization:
- Pacific Northwest Lab., Richland, WA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 10148603
- Report Number(s):
- PNL-SA--24063; CONF-940277--1; ON: DE94011442
- Country of Publication:
- United States
- Language:
- English
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