Chapman Function for Atmospheric Attenuation
To calculate the Chapman Function, Ch(X,chi), the column
depth of an exponential atmosphere integrated along a line
from a given point to the sun, divided by the column depth for
a vertical sun.
Published Journal Article
- D. L. Huestis, "Accurate Evaluation of the Chapman Function for
Atmospheric Attenuation," J. Quant. Spectrosc. Radiat. Transf.
69, 709-721 (2001).
Download Source Code
- Subroutines that calculate the Chapman Function (chapman.for)
(gopher) (ftp) (http)
Download Test Routines, Output, and Graphs
- Literature approximations of the Chapman Function
(chaplit.for) (gopher) (ftp) (http)
-
Calculate approximation accuracy for X = 800 (chapang.for)
(gopher) (ftp) (http)
- Resulting data file (chapang.out)
(gopher) (ftp) (http)
- GRA script file (chapang.kvs)
(gopher) (ftp) (http)
- Resulting postscript file (chapang.ps)
(gopher) (ftp) (http)
- Calculate worst-case accuracy for chi = 0, 90 degrees
(chapacc.for) (gopher) (ftp) (http)
- Resulting data file (chapacc.out)
(gopher) (ftp) (http)
- GRA script file (chapacc.kvs)
(gopher) (ftp) (http)
- Resulting postscript file (chapacc.ps)
(gopher) (ftp) (http)
Related Web Pages
Send comments and suggestions to
david.huestis@sri.com
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(08/31/07)
URL: "http://www-mpl.sri.com/software/chapman/chapman.html"