1 | SUBROUTINE init_ocean |
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2 | |
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3 | !------------------------------------------------------------------------------! |
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4 | ! Actual revisions: |
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5 | ! ----------------- |
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6 | ! hydro_press renamed hyp |
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7 | ! |
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8 | ! Former revisions: |
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9 | ! ------------------ |
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10 | ! $Id: init_ocean.f90 96 2007-06-04 08:07:41Z raasch $ |
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11 | ! |
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12 | ! Initial revision (raasch 01/06/07) |
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13 | ! |
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14 | ! Description: |
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15 | ! ------------ |
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16 | ! Initialization of quantities needed for the ocean version |
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17 | !------------------------------------------------------------------------------! |
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18 | |
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19 | USE arrays_3d |
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20 | USE control_parameters |
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21 | USE eqn_state_seawater_mod |
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22 | USE grid_variables |
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23 | USE indices |
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24 | |
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25 | IMPLICIT NONE |
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26 | |
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27 | INTEGER :: k |
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28 | |
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29 | REAL :: sa_l, pt_l, rho_l |
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30 | |
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31 | ALLOCATE( hyp(nzb:nzt+1) ) |
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32 | |
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33 | ! |
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34 | !-- Set water density near the ocean surface |
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35 | rho_surface = 1027.62 |
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36 | |
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37 | ! |
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38 | !-- Calculate initial vertical profile of hydrostatic pressure (in Pa) |
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39 | !-- and the reference density (used later in buoyancy term) |
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40 | hyp(nzt+1) = surface_pressure * 100.0 |
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41 | |
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42 | hyp(nzt) = hyp(nzt+1) + rho_surface * g * 0.5 * dzu(nzt+1) |
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43 | rho_ref = rho_surface * 0.5 * dzu(nzt+1) |
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44 | |
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45 | DO k = nzt-1, 0, -1 |
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46 | |
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47 | sa_l = 0.5 * ( sa_init(k) + sa_init(k+1) ) |
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48 | pt_l = 0.5 * ( pt_init(k) + pt_init(k+1) ) |
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49 | |
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50 | rho_l = eqn_state_seawater_func( hyp(k+1), pt_l, sa_l ) |
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51 | |
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52 | hyp(k) = hyp(k+1) + rho_l * g * dzu(k+1) |
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53 | rho_ref = rho_ref + rho_l * dzu(k+1) |
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54 | |
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55 | ENDDO |
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56 | |
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57 | rho_ref = rho_ref / ( zw(nzt) - zu(nzb) ) |
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58 | print*, '*** rho_ref = ', rho_ref |
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59 | |
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60 | |
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61 | END SUBROUTINE init_ocean |
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