Last change
on this file since 167 was
80,
checked in by pinsard, 13 years ago
|
progress on humidity processing
|
-
Property svn:keywords set to
URL
|
File size:
792 bytes
|
Rev | Line | |
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[80] | 1 | ;+ |
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[79] | 2 | ; |
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[80] | 3 | ; ======== |
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| 4 | ; qsat.pro |
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| 5 | ; ======== |
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| 6 | ; |
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| 7 | ; .. function:: qsat(T,P) |
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| 8 | ; |
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| 9 | ; :param T: SST (degC) |
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| 10 | ; :param P: surface pressure (mb) |
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| 11 | ; |
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| 12 | ; :returns: Air humidity at saturation (g/kg) |
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| 13 | ; |
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| 14 | ; EXAMPLES |
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| 15 | ; ======== |
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| 16 | ; |
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| 17 | ; :: |
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| 18 | ; |
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| 19 | ; IDL> T=+todo+ |
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| 20 | ; IDL> P=+todo+ |
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| 21 | ; IDL> result=qsat(T,P) |
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| 22 | ; |
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| 23 | ; TODO |
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| 24 | ; ==== |
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| 25 | ; |
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| 26 | ; coding rules |
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| 27 | ; |
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| 28 | ; complete example |
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| 29 | ; |
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| 30 | ; get rid of uppercase |
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| 31 | ; |
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| 32 | ; SEE ALSO |
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| 33 | ; ======== |
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| 34 | ; |
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| 35 | ; :func:`rh_to_spechum` |
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| 36 | ; |
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| 37 | ; EVOLUTIONS |
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| 38 | ; ========== |
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| 39 | ; |
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| 40 | ; $Id$ |
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| 41 | ; |
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| 42 | ; $URL$ |
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| 43 | ; |
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| 44 | ; - fplod 20110811T131113Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 45 | ; |
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| 46 | ; * add minimal header to pk release given today (!) |
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| 47 | ; |
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| 48 | ; - pbk 2008 |
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| 49 | ; |
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| 50 | ; * creation |
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| 51 | ; |
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| 52 | ;- |
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| 53 | function qsat, T, P |
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| 54 | ; |
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[79] | 55 | x=T |
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| 56 | es=6.112*exp(17.502*x/(x+241.))*(1.0007+3.46e-6*p) |
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| 57 | y=es*622/(p-.378*es) |
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| 58 | |
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| 59 | return, y |
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| 60 | |
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| 61 | end |
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