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| 1 | module const |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | real, parameter:: beta = 0.756 / 1023.343 |
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| 6 | ! Salinity expansion coefficient. Derivative with respect to |
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| 7 | ! practical salinity, not mass fraction of salt. Value at 25 Celsius |
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| 8 | ! degrees, zero pressure, practical salinity 35, from Gill (1982 |
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| 9 | ! k0829, table A.3.1). |
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| 10 | |
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| 11 | real, parameter:: cpa = 1004.67 |
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| 12 | ! specific heat of dry air, in J / kg / K (Businger 1982) |
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| 13 | |
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| 14 | real, parameter:: cpw = 4000. ! specific heat of liquid water, in J / kg / K |
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| 15 | real, parameter:: grav = 9.780326772 ! constante de gravitation, m s-2 |
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| 16 | real, parameter:: rhow = 1022. ! density of liquid water, in kg / m3 |
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| 17 | |
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| 18 | real, parameter:: rgas = 287.1 |
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| 19 | ! specific ideal gas constant for dry air, in J / kg / K |
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| 20 | |
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| 21 | real, parameter:: von = 0.4 ! von Karman's "constant" |
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| 22 | |
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| 23 | real, parameter:: eps_w = 0.62197 |
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| 24 | ! molecular mass of water over molecular mass of dry air (Gill 1982 |
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| 25 | ! k0829, equation 3.1.13) |
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| 26 | |
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| 27 | end module const |
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