NDLI: A scheme for computing surface layer turbulent fluxes from mean flow surface observations

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A scheme for computing surface layer turbulent fluxes from mean flow surface observations

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hoffert, M. I. Storch, J.
Copyright Year	1978
Description	A physical model and computational scheme are developed for generating turbulent surface stress, sensible heat flux and humidity flux from mean velocity, temperature and humidity at some fixed height in the atmospheric surface layer, where conditions at this reference level are presumed known from observations or the evolving state of a numerical atmospheric circulation model. The method is based on coupling the Monin-Obukov surface layer similarity profiles which include buoyant stability effects on mean velocity, temperature and humidity to a force-restore formulation for the evolution of surface soil temperature to yield the local values of shear stress, heat flux and surface temperature. A self-contained formulation is presented including parameterizations for solar and infrared radiant fluxes at the surface. Additional parameters needed to implement the scheme are the thermal heat capacity of the soil per unit surface area, surface aerodynamic roughness, latitude, solar declination, surface albedo, surface emissivity and atmospheric transmissivity to solar radiation.
File Size	2603252
Page Count	35
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19780019748
Archival Resource Key	ark:/13960/t8x970w2r
Language	English
Publisher Date	1978-08-01
Access Restriction	Open
Subject Keyword	Geophysics Atmospheric Circulation Turbulent Heat Transfer Atmospheric Turbulence Micrometeorology Atmospheric Models Atmospheric Stratification Shear Stress Atmospheric Moisture Surface Layers Heat Flux Boundary Layer Flow Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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