[求助] 关于定义数组问题

     program solard
     implicit none
     REAL TMAX, TMIN, E, TTHIRTY
     INTEGER I, YEAR, DOY ,a, NDAYS
     REAL  B,delta,sita,R,Q0,Qh,womiga0,womiga1,womiga2,womiga3
     REAL  tuo0,alfa,C,b0,PAI,FAI,PZ,P0,TTMAX,Tfmax
     real b1,b2,I0,D
       tuo0=0.87
       alfa=-0.000061
       C=1.5
       b0=0.031
       b1=0.201
       b2=0.185
       I0=1367.0
       D=86400
       NDAYS=730
       PAI=3.14159
       FAI=38.33/(180*PAI)
       PZ=90810
       P0=101325
    !38.33是样地纬度
     DO I=1,NDAYS
     OPEN (UNIT = 9, FILE = '\B90V3\DAT\SOLARDFILE.DAT')
     READ (9, *) YEAR, DOY, TMAX, TMIN, E, TTHIRTY
    !TTHIRTY 30日平均温差
      delta=23.45*PAI/(180*sin(2*PAI*(284+i)/365))
      sita=2*PAI*i/365
      R=1.000109+0.033494*cos(sita)+0.001472*sin(sita)
      R=R+0.000768*cos(2*sita)+0.000079*sin(2*sita)
      womiga0=ABS(acos(-tan(delta)*tan(fai)))
      q0=womiga0*sin(fai)*sin(delta)+cos(fai)*cos(delta)*sin(womiga0)
      q0=q0*I0*D/(PAI*R*R)
      womiga3=0
        DO A=1,100
            womiga1=-womiga0+womiga0/100+womiga0*a/50
	        womiga2=sin(fai)*sin(delta)+cos(fai)*cos(delta)*cos(womiga1)
	        womiga3=womiga3+(womiga2*tuo0**(PZ/(P0*womiga2)))*womiga0/50
        ENDDO
        Ttmax=womiga3/(q0*2*PAI*R*R/I0/D)+alfa*e*1000;
       B=b0+b1*exp(-b2* TTHIRTY);
       Tfmax=1.0-0.9*exp(-B*(Tmax-Tmin)**(C));
       Qh=q0*Ttmax*Tfmax/1000000;
     ENDDO
     open(2,file='QH.dat')
       do I=1,ndays-1
	    write(2,'(i4,2x,f8.1,2X,f8.1)') I,Q0(I),TTMAX(I),QH(I)
       enddo 
    CLOSE(2)
    END