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Last change
on this file since 221 was
163,
checked in by navarro, 18 years ago
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header improvements : type of parameters and keywords, default values, spell checking + idldoc assistant (IDL online_help)
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Property svn:keywords set to
Id
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File size:
875 bytes
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| 1 | ;+ |
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| 2 | ; @file_comments |
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| 3 | ; |
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| 4 | ; |
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| 5 | ; @categories |
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| 6 | ; |
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| 7 | ; |
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| 8 | ; @param PFS |
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| 9 | ; |
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| 10 | ; |
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| 11 | ; @param PFP |
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| 12 | ; |
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| 13 | ; |
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| 14 | ; @returns |
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| 15 | ; |
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| 16 | ; |
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| 17 | ; @uses |
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| 18 | ; |
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| 19 | ; |
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| 20 | ; @restrictions |
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| 21 | ; |
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| 22 | ; |
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| 23 | ; @examples |
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| 24 | ; |
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| 25 | ; |
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| 26 | ; @history |
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| 27 | ; |
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| 28 | ; |
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| 29 | ; @version |
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| 30 | ; $Id$ |
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| 31 | ; |
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| 32 | ; Ice freezing point |
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| 33 | ; ================== |
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| 34 | ; fsfzpt: freezing point of seawater in degrees celsius |
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| 35 | ; units : salinity pfs (ipss-78) |
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| 36 | ; pressure pfp decibars |
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| 37 | ; temperature fszfpt degrees celsius |
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| 38 | ; freezing pt |
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| 39 | ; reference : unesco tech. papers in the marine science no 28 1978 |
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| 40 | ; eigth report jpots |
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| 41 | ; annex 6 freezing point of seawater F.J.Millero pp.29-35 |
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| 42 | ; checkvalue: fsfzpt=-2.588567 deg.c,for s=40.0,p=500 decibars |
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| 43 | ; |
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| 44 | ; @todo seb |
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| 45 | ; |
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| 46 | ;- |
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| 47 | FUNCTION fsfzpt, pfs, pfp |
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| 48 | ; |
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| 49 | compile_opt idl2, strictarrsubs |
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| 50 | ; |
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| 51 | RETURN, ( -0.0575 + 1.710523e-3 * sqrt(pfs) - 2.154996e-4 * pfs ) * pfs - 7.53e-4 * pfp |
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| 52 | END |
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