Changeset 204 for trunk/src/calc_cloud_vlat.pro
- Timestamp:
- 03/26/14 11:58:56 (10 years ago)
- File:
-
- 1 edited
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trunk/src/calc_cloud_vlat.pro
r181 r204 7 7 ; .. function:: calc_cloud_vlat(jday, swr, xlat) 8 8 ; 9 ; DESCRI TPION9 ; DESCRIPTION 10 10 ; =========== 11 11 ; … … 19 19 ; INPUT: 20 20 ; jday: value jday 21 ; SWR: vector of 21 ; SWR: vector of SW rad in Watts/m^2 22 22 ; XLAT: corresponding vector of lat 23 23 ; … … 74 74 ;B2 = B2+(-38.79 + 2.43*XLAT - 0.034*XLAT^2)*((abs(XLAT) gt 40.) and (abs(XLAT) le 60.)) 75 75 ; 76 77 76 DAY=jday ; day is day of that year; 77 XDIV=365.15 78 78 ; 79 79 ; CALCULATE PHI 80 80 PHI = (360./XDIV * (DAY-21.0))*pi/180. 81 81 ; 82 ; CALCULATE Q0; MULTIP Y BY .4846 TO CONVERT FROM82 ; CALCULATE Q0; MULTIPLY BY .4846 TO CONVERT FROM 83 83 ; LY/DAY TO W/M**2 84 85 84 Q0 = A0+A1*cos(PHI)+B1*sin(PHI)+A2*cos(2*PHI)+B2*sin(2*PHI); 85 Q0=Q0*.4846; 86 86 ; 87 88 89 87 SNALPHA=sin(XLAT*pi/180)*sin(23.45*sin((DAY-82)*pi/180)*pi/180) + $ 88 cos(XLAT*pi/180)*cos(23.45*sin((DAY-82)*pi/180)*pi/180) 89 ALPHA = asin(SNALPHA)*180/pi 90 90 ; 91 ; SEE MARINE CLIMATE ATLAS OF TROPICAL PACIF C OCEAN, WEARE,STRUB,91 ; SEE MARINE CLIMATE ATLAS OF TROPICAL PACIFIC OCEAN, WEARE,STRUB, 92 92 ; AND SAMUEL -- UC,DAVIS; THIS IS ACTUALLY REEDS 1977 93 93 ; FORMULA 94 95 94 CLD = (1.0+0.0019*ALPHA-SWR/Q0)/.62 95 Qclsky = Q0 96 96 ; 97 97 indx=where(CLD ge 1.0)
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