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Last change
on this file since 430 was
430,
checked in by pinsard, 14 years ago
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indent shell scripts
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Property svn:keywords set to
Id
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File size:
1.1 KB
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| Rev | Line | |
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| [25] | 1 | ;+ |
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| [163] | 2 | ; |
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| [430] | 3 | ; Ice freezing point |
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| 4 | ; ================== |
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| 5 | ; fsfzpt: freezing point of seawater in degrees celsius |
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| 6 | ; units : salinity pfs (ipss-78) |
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| 7 | ; pressure pfp decibars |
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| 8 | ; temperature fszfpt degrees celsius |
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| 9 | ; freezing pt |
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| 10 | ; reference : unesco tech. papers in the marine science no 28 1978 |
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| 11 | ; eigth report jpots |
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| 12 | ; annex 6 freezing point of seawater F.J.Millero pp.29-35 |
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| 13 | ; checkvalue: fsfzpt=-2.588567 deg.c,for s=40.0,p=500 decibars |
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| 14 | ; |
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| 15 | ; |
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| [163] | 16 | ; @categories |
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| 17 | ; |
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| [430] | 18 | ; @param PFS {in}{required} |
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| 19 | ; salinity |
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| [163] | 20 | ; |
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| [430] | 21 | ; @param PFP {in}{required} |
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| 22 | ; pressure decibars |
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| [163] | 23 | ; |
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| [430] | 24 | ; @examples |
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| 25 | ; |
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| 26 | ; IDL> pfs=40.0 |
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| 27 | ; IDL> pfp=500 |
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| 28 | ; IDL> result=fsfzpt( pfs, pfp) |
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| 29 | ; IDL> print,result |
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| 30 | ; -2.58857 |
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| 31 | ; |
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| [163] | 32 | ; @returns |
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| [430] | 33 | ; temperature freezing pt degrees celsius |
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| [163] | 34 | ; |
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| 35 | ; @uses |
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| 36 | ; |
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| 37 | ; @restrictions |
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| 38 | ; |
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| 39 | ; @examples |
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| 40 | ; |
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| 41 | ; @history |
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| 42 | ; |
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| [430] | 43 | ; - fplod 20091208T163045Z zeus.locean-ipsl.upmc.fr (Linux) |
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| [163] | 44 | ; |
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| [430] | 45 | ; * add example |
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| 46 | ; |
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| 47 | ; |
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| [163] | 48 | ; @version |
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| 49 | ; $Id$ |
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| 50 | ; |
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| [142] | 51 | ; @todo seb |
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| 52 | ; |
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| [25] | 53 | ;- |
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| [97] | 54 | FUNCTION fsfzpt, pfs, pfp |
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| [114] | 55 | ; |
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| 56 | compile_opt idl2, strictarrsubs |
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| 57 | ; |
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| [25] | 58 | RETURN, ( -0.0575 + 1.710523e-3 * sqrt(pfs) - 2.154996e-4 * pfs ) * pfs - 7.53e-4 * pfp |
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| 59 | END |
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