|
Last change
on this file since 1957 was
650,
checked in by jleconte, 14 years ago
|
- Corrected the temperature used to differentiate sublimation and evaporation in watersat_grad
- Minor name changes in watercommon
- Better physical parametrization of the effective radius of liquid and icy water cloud particles in callcorrk
(for radfixed=true)
- Added consistency check in inifis
- Moved 1d water initialization from physiqu to rcm1d
|
|
File size:
1.0 KB
|
| Line | |
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| 1 | subroutine watersat_grad(T,qsat,dqsat) |
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| 2 | |
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| 3 | use watercommon_h, only: T_h2O_ice_liq, RLVTT, RCPD,T_coup |
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| 4 | implicit none |
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| 5 | |
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| 6 | !================================================================== |
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| 7 | ! Purpose |
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| 8 | ! ------- |
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| 9 | ! Compute the L/cp*d (q_sat)/d T |
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| 10 | ! for a given temperature (K) |
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| 11 | ! |
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| 12 | ! Authors |
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| 13 | ! ------- |
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| 14 | ! Robin Wordsworth (2010) |
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| 15 | ! |
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| 16 | !================================================================== |
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| 17 | |
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| 18 | ! input |
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| 19 | real T,qsat |
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| 20 | |
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| 21 | ! output |
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| 22 | real dqsat |
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| 23 | |
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| 24 | ! if (T.lt.T_coup) then ! solid / vapour !why use T_coup?????????? JL12 |
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| 25 | if (T.lt.T_h2O_ice_liq) then ! solid / vapour |
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| 26 | dqsat = RLVTT/RCPD*qsat*(3.56654/T & |
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| 27 | +2484.896*LOG(10.)/T**2 & |
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| 28 | -0.00320991*LOG(10.)) |
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| 29 | else ! liquid / vapour |
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| 30 | dqsat = RLVTT/RCPD*qsat*LOG(10.)* & |
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| 31 | (2948.964/T**2-5.028/LOG(10.)/T & |
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| 32 | +25.21935*2999.924/T**2*EXP(-2999.924/T) & |
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| 33 | +29810.16*0.0699382*EXP(-0.0699382*T)) |
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| 34 | end if |
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| 35 | |
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| 36 | return |
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| 37 | end subroutine watersat_grad |
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| 38 | |
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