NDLI: Cloud/climate sensitivity experiments

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Cloud/climate sensitivity experiments

Content Provider	NASA Technical Reports Server (NTRS)
Author	Remer, L. Roads, J. O. Vallis, G. K.
Copyright Year	1982
Description	A study of the relationships between large-scale cloud fields and large scale circulation patterns is presented. The basic tool is a multi-level numerical model comprising conservation equations for temperature, water vapor and cloud water and appropriate parameterizations for evaporation, condensation, precipitation and radiative feedbacks. Incorporating an equation for cloud water in a large-scale model is somewhat novel and allows the formation and advection of clouds to be treated explicitly. The model is run on a two-dimensional, vertical-horizontal grid with constant winds. It is shown that cloud cover increases with decreased eddy vertical velocity, decreased horizontal advection, decreased atmospheric temperature, increased surface temperature, and decreased precipitation efficiency. The cloud field is found to be well correlated with the relative humidity field except at the highest levels. When radiative feedbacks are incorporated and the temperature increased by increasing CO2 content, cloud amounts decrease at upper-levels or equivalently cloud top height falls. This reduces the temperature response, especially at upper levels, compared with an experiment in which cloud cover is fixed.
File Size	4337966
Page Count	50
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19830013438
Archival Resource Key	ark:/13960/t9j43kr33
Language	English
Publisher Date	1982-01-01
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Atmospheric Circulation Sensitivity Conservation Equations Atmospheric Temperature Clouds Moisture Content Condensing Mathematical Models Evaporation Parameterization Precipitation Meteorology Water Vapor Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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