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86 changes: 43 additions & 43 deletions f_alaska.f
Original file line number Diff line number Diff line change
Expand Up @@ -99,19 +99,19 @@ SUBROUTINE SHP_AK(JSP,GEOCODE,DBHIB,HT,RFLW,RHFW)
c Set counter for regional adjs
c Check for regional modifications requested
JRSP=JSP - 30
!SPRUCE AND HEMLOCK USE SAME MODEL FORM
IF(JRSP .EQ. 4) JRSP = 3
IF(JRSP .EQ. 5 .OR. JRSP.EQ.6) JRSP = 4
!SPRUCE AND HEMLOCK USE SAME MODEL FORM
IF(JRSP .EQ. 4) JRSP = 3
IF(JRSP .EQ. 5 .OR. JRSP.EQ.6) JRSP = 4

c Check for spruce hemlock second growth sub-model
IF(JRSP.EQ.3 .AND. GEOCODE.EQ.'01') THEN
IF(JRSP.EQ.3 .AND. GEOCODE.EQ.'01') THEN
F(25,JRSP) = SUBF(1)
F(34,JRSP) = SUBF(2)
F(42,JRSP) = SUBF(3)
ENDIF
F(34,JRSP) = SUBF(2)
F(42,JRSP) = SUBF(3)
ENDIF

DMEDIAN = f(10,JRSP) *(HT-4.5)**(f(11,JRSP)+f(12,JRSP)*HT)
DFORM = DBHIB/DMEDIAN -1.0d0
DMEDIAN = REAL(f(10,JRSP) *(HT-4.5)**(f(11,JRSP)+f(12,JRSP)*HT))
DFORM = REAL(DBHIB/DMEDIAN -1.0d0)
c RHI1
U7 = F(13,JRSP) + f(14,JRSP)*log(ht) + f(15,JRSP)*DFORM
c RHLONGI
Expand Down Expand Up @@ -160,25 +160,25 @@ SUBROUTINE SHP_AK(JSP,GEOCODE,DBHIB,HT,RFLW,RHFW)
if (u9.lt. 0.0d0) u9=0.0d0
c Define geometric parameters
c (These outcomes are SINGLE precision)
R1= dexp(U1)/ (1.0d0 + dexp(U1))
R2= dexp(U2)/ (1.0d0 + dexp(U2))
R3= dexp(U3)/ (1.0d0 + dexp(U3))
R4= dexp(U4)/ (1.0d0 + dexp(U4))
R1= REAL(dexp(U1)/ (1.0d0 + dexp(U1)))
R2= REAL(dexp(U2)/ (1.0d0 + dexp(U2)))
R3= REAL(dexp(U3)/ (1.0d0 + dexp(U3)))
R4= REAL(dexp(U4)/ (1.0d0 + dexp(U4)))
IF (U5 .le. 7.0d0) then
R5= 0.5d0 + 0.5d0*dexp(U5)/ (1.0d0 + dexp(U5))
R5= REAL(0.5d0 + 0.5d0*dexp(U5)/ (1.0d0 + dexp(U5)))
else
R5=1.0
end if
A3=U6
RHI1 = dexp(U7) / ( 1.0d0 + dexp(U7) )
if (RHI1.gt. 0.5 ) RHI1=0.5
RHLONGI= U9
A3=REAL(U6)
RHI1 = REAL(dexp(U7) / ( 1.0d0 + dexp(U7) ))
if (RHI1.gt. 0.5 ) RHI1=0.5
RHLONGI= REAL(U9)
RHI2 = RHI1 + RHLONGI
c RHC = RHI2 + (1.0D0 - RHI2) * dexp(U8)/( 1.0d0 + dexp(U8))
c If (RHC .lt. RHI2 +0.01) then
c RHC = MIN( RHI2+0.01, (RHI2+1.0)/2.0 )
c end if
RHC=U8
RHC=REAL(U8)
if (RHC .lt. RHI2+.01) RHC= min( RHI2+.01, (RHI2+1.)/2.0 )
C PUT COEFFICIENTS INTO AN ARRAY FOR EASIER PASSING
RFLW(1) = R1
Expand Down Expand Up @@ -230,8 +230,8 @@ FUNCTION COR_AK(JSP,TOTALH,HI,HJ)

BH = 4.5
JSPR = JSP - 30
IF(JSPR .EQ. 4) JSPR = 3
IF(JSPR .EQ. 5 .OR. JSPR.EQ.6) JSPR = 4
IF(JSPR .EQ. 4) JSPR = 3
IF(JSPR .EQ. 5 .OR. JSPR.EQ.6) JSPR = 4

Q1=V(1, JSPR)
Q2=V(2, JSPR)
Expand Down Expand Up @@ -283,7 +283,7 @@ FUNCTION COR_AK(JSP,TOTALH,HI,HJ)
C 1 write(IER_UNIT,102) JSP, H1,H2, CORR
C102 FORMAT(' CORRC2 ERROR on JSP=',i3,' H1,H2, corr =',3f8.2)

100 COR_AK = CORR
100 COR_AK = REAL(CORR)

RETURN
END
Expand Down Expand Up @@ -365,32 +365,32 @@ SUBROUTINE VAR_AK(JSP,DBH,HT,H,SE_LNX)


JSPR = JSP - 30
IF(JSPR .EQ. 4) JSPR = 3
IF(JSPR .EQ. 5 .OR. JSPR.EQ.6) JSPR = 4
IF(JSPR .EQ. 4) JSPR = 3
IF(JSPR .EQ. 5 .OR. JSPR.EQ.6) JSPR = 4

c coef 1-16 are coef 61 to 76 in coef file
VA00 = V(1, JSPR)
VA01 = V(2, JSPR)
VA02 = V(3, JSPR)
VB00 = V(4, JSPR)
VB01 = V(5, JSPR)
VC0 = V(6, JSPR)

VX1 = V(7,JSPR)
VX2 = V(8,JSPR)
VX3 = V(9,JSPR)

VA03 = V(10, JSPR)
VE00 = V(11, JSPR)
VE01 = V(12, JSPR)
VE02 = V(13, JSPR)
VF00 = V(14, JSPR)
VF01 = V(15, JSPR)
VG0 = V(16, JSPR)
VA00 = REAL(V(1, JSPR))
VA01 = REAL(V(2, JSPR))
VA02 = REAL(V(3, JSPR))
VB00 = REAL(V(4, JSPR))
VB01 = REAL(V(5, JSPR))
VC0 = REAL(V(6, JSPR))

VX1 = REAL(V(7,JSPR))
VX2 = REAL(V(8,JSPR))
VX3 = REAL(V(9,JSPR))

VA03 = REAL(V(10, JSPR))
VE00 = REAL(V(11, JSPR))
VE01 = REAL(V(12, JSPR))
VE02 = REAL(V(13, JSPR))
VF00 = REAL(V(14, JSPR))
VF01 = REAL(V(15, JSPR))
VG0 = REAL(V(16, JSPR))

BH = 4.5

DMEDIAN = F(10,JSPR) *(HT - BH)**(F(11,JSPR)+F(12,JSPR)*HT)
DMEDIAN = REAL(F(10,JSPR) *(HT - BH)**(F(11,JSPR)+F(12,JSPR)*HT))
DRATIO = DBH/DMEDIAN
LOGHT = log(HT)

Expand Down