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SUBROUTINE read_3d_input_files(it, varname, field)
IMPLICIT NONE
INTEGER, INTENT(IN) :: it
CHARACTER(len=*), INTENT(IN) :: varname
REAL, INTENT(OUT), DIMENSION(:,:,:) :: field
INTEGER :: i, j, k
REAL :: factor, offset,min,max
CHARACTER(len=LEN(varname)) :: tmp
min= -1.e20
max=1.e20
tmp = TRIM(ADJUSTL(varname))
SELECT CASE (tmp)
CASE ('CLOUD')
factor = 0.02
offset = -20.
CASE ('U')
factor = .075
offset = 45.
max=21
min=17
CASE ('T')
factor = 1.3
offset = -27.5
min=191.
max=240.
CASE ('tro3')
factor = 1.
offset = 0.
END SELECT
DO k=1,SIZE(field, 3)
DO j=1,SIZE(field, 2)
DO i=1,SIZE(field, 1)
field(i,j,k) = ((k-1)*64 + (j-1)*16 + (i-1)*4 + it)*factor - offset
if (field(i,j,k).gt.max) field(i,j,k)=max
if (field(i,j,k).lt.min) field(i,j,k)=min
END DO
END DO
END DO
END SUBROUTINE read_3d_input_files
SUBROUTINE read_2d_input_files(it, varname, field)
IMPLICIT NONE
INTEGER, INTENT(IN) :: it
CHARACTER(len=*), INTENT(IN) :: varname
REAL, INTENT(OUT), DIMENSION(:,:) :: field
INTEGER :: i, j
REAL :: factor, offset,min,max
CHARACTER(len=LEN(varname)) :: tmp
min= -1.e20
max=1.e20
tmp = TRIM(ADJUSTL(varname))
SELECT CASE (tmp)
CASE ('LATENT')
factor = 4.2
offset = 0.
min=-65
max=65
CASE ('TSURF')
factor = 2.0
offset = -230.
max=285
min=270
CASE ('SOIL_WET')
factor = 4.
offset = 0.
max = 128.
CASE ('PSURF')
factor = 100.
offset = -9.4e4
CASE ('PRECIP')
factor = 1.2e-6
offset = 0.
max = 1.e-3
min=0.
CASE ('SFTLF')
factor = 1.
offset = -12.
max = 100.
min=0.
END SELECT
DO j=1,SIZE(field, 2)
DO i=1,SIZE(field, 1)
field(i,size(field,2)+1-j) = ((j-1)*16 + (i-1)*4 + it)*factor - offset
if (field(i,size(field,2)+1-j).gt.max) field(i,size(field,2)+1-j)=max
if (field(i,size(field,2)+1-j).lt.min) field(i,size(field,2)+1-j)=min
END DO
END DO
END SUBROUTINE read_2d_input_files
SUBROUTINE read_1d_input_files(it, varname, field)
IMPLICIT NONE
INTEGER, INTENT(IN) :: it
CHARACTER(len=*), INTENT(IN) :: varname
REAL, INTENT(OUT), DIMENSION(:,:) :: field
INTEGER :: i, j
REAL :: factor, offset,min,max
CHARACTER(len=LEN(varname)) :: tmp
min=-1.e20
max=1.e20
tmp = TRIM(ADJUSTL(varname))
SELECT CASE (tmp)
CASE ('OFLUX')
factor = .5e14
offset = 2.e13
max = 1.492e14
min = 1.46e14
END SELECT
DO j=1,SIZE(field, 2)
DO i=1,SIZE(field, 1)
field(i,j) = ((j-1)*16 + (i-1)*4 + it)*factor - offset
if (field(i,j).gt.max) field(i,j)=max
if (field(i,j).lt.min) field(i,j)=min
END DO
END DO
END SUBROUTINE read_1d_input_files
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