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Fractional cloudiness in shallow cumulus layers
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Randall, David A. |
| Copyright Year | 1990 |
| Description | Fractional cloudiness influences the planetary boundary layer (PBL) by controlling the cloud-top radiative cooling rate, and regulating the buoyant production and consumption of turbulence kinetic energy. Betts, Hanson, and Albrecht have modeled partly cloudy PBLs by assuming a single family of convective circulations. The same idealized model has been used in observational studies, based on conditional sampling and/or joint distribution functions, by Lenschow, Albrecht, and others. This approach is extended. None of these authors has proposed a method to determine the fractional area covered by rising motion; finding such a method was a key objective of the present study. |
| File Size | 348027 |
| Page Count | 5 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19910001185 |
| Archival Resource Key | ark:/13960/t59d1v70z |
| Language | English |
| Publisher Date | 1990-07-01 |
| Access Restriction | Open |
| Subject Keyword | Meteorology And Climatology Cloud Cover Cooling Cumulus Clouds Atmospheric Turbulence Turbulence Models Buoyancy Convective Flow Mathematical Models Kinetic Energy Distribution Functions Planetary Boundary Layer Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
