10.4.1_peseiGFS_025bugfixes+enhancementsdevrelease-10release-10.4.1scaling-bug
Last change
on this file since 5cbd51b was
92fab65,
checked in by Ignacio Pisso <ip@…>, 5 years ago
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add SPDX-License-Identifier to all .f90 files
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-
Property mode set to
100644
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File size:
1.9 KB
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Rev | Line | |
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[92fab65] | 1 | ! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt |
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| 2 | ! SPDX-License-Identifier: GPL-3.0-or-later |
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[332fbbd] | 3 | |
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[e200b7a] | 4 | real function scalev(ps,t,td,stress) |
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| 5 | |
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| 6 | !******************************************************************** |
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| 7 | ! * |
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| 8 | ! Author: G. WOTAWA * |
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| 9 | ! Date: 1994-06-27 * |
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| 10 | ! Update: 1996-05-21 A. Stohl * |
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| 11 | ! * |
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| 12 | !******************************************************************** |
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| 13 | ! * |
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| 14 | ! This Programm calculates scale velocity ustar from surface * |
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| 15 | ! stress and air density. * |
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| 16 | ! * |
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| 17 | !******************************************************************** |
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| 18 | ! * |
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| 19 | ! INPUT: * |
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| 20 | ! * |
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| 21 | ! ps surface pressure [Pa] * |
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| 22 | ! t surface temperature [K] * |
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| 23 | ! td surface dew point [K] * |
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| 24 | ! stress surface stress [N/m2] * |
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| 25 | ! * |
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| 26 | !******************************************************************** |
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| 27 | |
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| 28 | use par_mod |
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| 29 | |
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| 30 | implicit none |
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| 31 | |
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| 32 | real :: ps,t,td,e,ew,tv,rhoa,stress |
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| 33 | |
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| 34 | e=ew(td) ! vapor pressure |
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| 35 | tv=t*(1.+0.378*e/ps) ! virtual temperature |
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| 36 | rhoa=ps/(r_air*tv) ! air density |
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| 37 | scalev=sqrt(abs(stress)/rhoa) |
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| 38 | |
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| 39 | end function scalev |
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