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27f9df093b Oliv*0001 SUN package
0002 ===========
0003
0004 Computes the solar zenith angle above the sea surface for all grid center
0005 locations.
0006
0007 Computation follows Patt and Gregg, 1994, Int. J. Remote Sensing.
0008 Code adapted from the Ocean-Atmosphere Spectral Irradiance Model (OASIM).
0009
0010 sun_init_varia creates arrays of up, north, and east vectors
0011 sun_sfcsolz computes solar zenith angle above the sea surface
0012 +- sun_jd converts calendar date to Julian day
0013 +- sun_ephparms computes ephemeris parameters
0014 +- sun_nutate computes the nutation in longitude and the obliquity
0015 +- sun_sun2000 computes the sun vector in geocentric inertial coordinates
0016 +- sun_gha2000 computes the Greenwich hour angle in degrees
0017
