Air Mass Computer Program For Atmospheric Transmittance Radiance Calculation
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Author | : William O. Gallery |
Publisher | : |
Total Pages | : 150 |
Release | : 1983 |
Genre | : Air masses |
ISBN | : |
Download Air Mass Computer Program for Atmospheric Transmittance/radiance Calculation Book in PDF, Epub and Kindle
Calculations of atmospheric transmittance and radiance require the knowledge of the integrated amounts of the absorbing gases along the path. This report describes the calculation of the integrated amounts ('air mass' or 'column density') for various infrared absorbing gases for an arbitrary slant path through the atmosphere, including the effects of both curvature and refraction, and presents a Fortran program. FSCATM, to perform the calculation. Among the features of FSCATM are: 1. It calculates the layer-by-layer integrated absorber amounts and density-weighted pressure and temperature for an arbitrary slant path through the atmosphere. 2. It assumes a spherically symmetric atmospheric with exponential profiles of density and refractivity between layer boundaries. 3. It allows a variety of options for specifying the slant path. 4. It includes six representative atmospheric profiles of pressure and temperature, and of density for the gases H2O, CO2, O3, N2O, CO, CH3, and O2 and has provision for user-supplied profiles of up to 20 gases. 5. The output layering may either be generated internally or supplied by the user. 6. It portable to 32 bit word computers in single precision and compatible with both ANSI Standard FORTRAN 66 and 77. 7. It is modular and easily modified to suit the users' particular needs. A discussion of atmospheric profile data and a survey of the literature are included in appendices.
Author | : William O. Gallery |
Publisher | : |
Total Pages | : 0 |
Release | : 1983 |
Genre | : Air masses |
ISBN | : |
Download Air Mass Computer Program for Atmospheric Transmittance/radiance Calculation Book in PDF, Epub and Kindle
Calculations of atmospheric transmittance and radiance require the knowledge of the integrated amounts of the absorbing gases along the path. This report describes the calculation of the integrated amounts ('air mass' or 'column density') for various infrared absorbing gases for an arbitrary slant path through the atmosphere, including the effects of both curvature and refraction, and presents a Fortran program. FSCATM, to perform the calculation. Among the features of FSCATM are: 1. It calculates the layer-by-layer integrated absorber amounts and density-weighted pressure and temperature for an arbitrary slant path through the atmosphere. 2. It assumes a spherically symmetric atmospheric with exponential profiles of density and refractivity between layer boundaries. 3. It allows a variety of options for specifying the slant path. 4. It includes six representative atmospheric profiles of pressure and temperature, and of density for the gases H2O, CO2, O3, N2O, CO, CH3, and O2 and has provision for user-supplied profiles of up to 20 gases. 5. The output layering may either be generated internally or supplied by the user. 6. It portable to 32 bit word computers in single precision and compatible with both ANSI Standard FORTRAN 66 and 77. 7. It is modular and easily modified to suit the users' particular needs. A discussion of atmospheric profile data and a survey of the literature are included in appendices.
Author | : J. E. A. Selby |
Publisher | : |
Total Pages | : 104 |
Release | : 1978 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Transmittance/radiance Book in PDF, Epub and Kindle
Author | : F. X. Kneizys |
Publisher | : |
Total Pages | : 204 |
Release | : 1983 |
Genre | : Atmospheric radiation |
ISBN | : |
Download Atmospheric Transmittance/radiance Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 100 |
Release | : 1978 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Transmittance/radiance : Computer Code LOWTRAN 4 Book in PDF, Epub and Kindle
Author | : F. X. Kneizys |
Publisher | : |
Total Pages | : 240 |
Release | : 1980 |
Genre | : Aerosols |
ISBN | : |
Download Atmospheric Transmittance/radiance, Computer Code LOWTRAN 5 Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 95 |
Release | : 1982 |
Genre | : |
ISBN | : |
Download Atmospheric Transmittance/Radiance Computer Code FASCOD2 Book in PDF, Epub and Kindle
This report continues the development of a line-by-line radiative transfer code for inhomogeneous, spherical atmospheres with refractive bending. Optical path calculations and properties for standard atmospheres are combined with the radiative transfer processes to form an integrated program. The code is then modified to include non-LTE effects on radiance and transmittance at the higher altitudes. For accurate continuum absorption near band heads, a new sub- Lorentzian form factor is developed that is compatible with the codes algorithm for line modeling. The CO2 continuum is studied as a particular example. All new computer coding and theoretical developments are documented and supported with example calculations.
Author | : |
Publisher | : |
Total Pages | : 652 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author | : J. E. A. Selby |
Publisher | : |
Total Pages | : 120 |
Release | : 1975 |
Genre | : Atmospheric models |
ISBN | : |
Download Atmospheric Transmittance from 0.25 to 28.5 Um Book in PDF, Epub and Kindle
A FORTRAN computer program, LOWTRAN 3, is described for calculating the transmittance of the atmosphere in the spectral region from 0.25 to 28.5 micrometers at a spectral resolution of 20/cm. The program provides a choice of six atmospheric models covering seasonal and latitudinal variations from sea level to 100 km, two haze models, and accounts for molecular absorption, molecular scattering, and aerosol extinction. Refraction and earth curvature effects are also included. This program provides some modifications to the molecular absorption and aerosol extinction data provided in an earlier LOWTRAN 2 report. In addition, input modifications have been made, making the LOWTRAN 3 program considerably more flexible in terms of the input of meteorological data.
Author | : |
Publisher | : |
Total Pages | : 394 |
Release | : 1996 |
Genre | : Astronomical instruments |
ISBN | : |
Download Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research Book in PDF, Epub and Kindle