1 | MODULE vertical_interp_mod |
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2 | USE icosa |
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3 | PRIVATE |
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4 | |
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5 | TYPE(t_field),SAVE, POINTER :: f_p(:) |
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6 | |
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7 | |
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8 | PUBLIC init_vertical_interp, vertical_interp, compute_vertical_interp |
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9 | |
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10 | CONTAINS |
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11 | |
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12 | SUBROUTINE init_vertical_interp |
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13 | USE icosa |
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14 | IMPLICIT NONE |
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15 | |
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16 | CALL allocate_field(f_p,field_t,type_real,llm+1) |
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17 | |
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18 | END SUBROUTINE init_vertical_interp |
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19 | |
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20 | SUBROUTINE vertical_interp(f_ps,f_in,f_out,pval) |
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21 | USE icosa |
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22 | USE pression_mod |
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23 | IMPLICIT NONE |
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24 | TYPE(t_field),POINTER :: f_ps(:) |
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25 | TYPE(t_field),POINTER :: f_in(:) |
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26 | TYPE(t_field),POINTER :: f_out(:) |
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27 | REAL(rstd),INTENT(IN) :: pval |
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28 | |
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29 | REAL(rstd),POINTER :: in(:,:) |
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30 | REAL(rstd),POINTER :: out(:) |
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31 | REAL(rstd),POINTER :: p(:,:) |
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32 | |
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33 | INTEGER :: ind |
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34 | |
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35 | CALL pression(f_ps,f_p) |
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36 | |
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37 | DO ind=1,ndomain |
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38 | IF (.NOT. assigned_domain(ind)) CYCLE |
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39 | CALL swap_dimensions(ind) |
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40 | CALL swap_geometry(ind) |
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41 | p=f_p(ind) |
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42 | in=f_in(ind) |
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43 | out=f_out(ind) |
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44 | CALL compute_vertical_interp(p,in,out,pval) |
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45 | ENDDO |
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46 | |
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47 | END SUBROUTINE vertical_interp |
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48 | |
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49 | SUBROUTINE compute_vertical_interp(p,in,out,pval) |
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50 | IMPLICIT NONE |
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51 | REAL(rstd),INTENT(IN) :: p(iim*jjm,llm+1) |
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52 | REAL(rstd),INTENT(IN) :: in(iim*jjm,llm) |
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53 | REAL(rstd),INTENT(OUT) :: out(iim*jjm) |
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54 | REAL(rstd) :: pval |
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55 | REAL(rstd) :: coeff, pmid,pmidp1 |
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56 | INTEGER :: i,j,ij,l |
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57 | |
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58 | DO j=jj_begin-1,jj_end+1 |
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59 | DO i=ii_begin-1,ii_end+1 |
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60 | ij=(j-1)*iim+i |
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61 | l=llm-1 |
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62 | DO WHILE(0.5*(p(ij,l)+p(ij,l+1))<pval .AND. l>1) |
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63 | l=l-1 |
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64 | ENDDO |
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65 | pmid=0.5*(p(ij,l)+p(ij,l+1)) |
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66 | pmidp1=0.5*(p(ij,l+1)+p(ij,l+2)) |
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67 | |
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68 | coeff=(pval-pmid)/(pmid-pmidp1) |
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69 | |
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70 | out(ij)=in(ij,l)+coeff*(in(ij,l)-in(ij,l+1)) |
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71 | ENDDO |
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72 | ENDDO |
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73 | |
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74 | END SUBROUTINE compute_vertical_interp |
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75 | |
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76 | END MODULE vertical_interp_mod |
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