Last change
on this file since 128 was
80,
checked in by pinsard, 13 years ago
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progress on humidity processing
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-
Property svn:keywords set to
URL
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File size:
792 bytes
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1 | ;+ |
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2 | ; |
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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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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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