npp/14.scatter_bias.ncl
changeset 0 0c6405ab2ff4
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/npp/14.scatter_bias.ncl	Mon Jan 26 22:08:20 2009 -0500
     1.3 @@ -0,0 +1,57 @@
     1.4 +; ***********************************************
     1.5 +; xy_4.ncl
     1.6 +; ***********************************************
     1.7 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
     1.8 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
     1.9 +load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
    1.10 +;************************************************
    1.11 +begin
    1.12 +;************************************************
    1.13 +; read in data
    1.14 +;************************************************
    1.15 + g     = addfile ("data.81.nc","r")
    1.16 +;g     = addfile ("data.933.nc","r")  
    1.17 + c     = g->TNPP_C
    1.18 +;c     = g->ANPP_C
    1.19 +;c     = g->BNPP_C
    1.20 + xo    = g->LONG_DD  
    1.21 + yo    = g->LAT_DD   
    1.22 +
    1.23 +;print (c)
    1.24 +
    1.25 + nx = dimsizes(xo)
    1.26 + do i= 0,nx-1
    1.27 +    if (xo(i) .lt. 0.) then
    1.28 +        xo(i) = xo(i)+ 360.
    1.29 +    end if
    1.30 + end do
    1.31 +;print (xo)
    1.32 + 
    1.33 + f     = addfile ("i01.03cn_1545-1569_ANN_climo.nc","r")
    1.34 +;f     = addfile ("i01.04casa_1605-1629_ANN_climo.nc","r")
    1.35 + b     = f->NPP
    1.36 +;b     = f->AGNPP
    1.37 +;b     = f->BGNPP    
    1.38 + xi    = f->lon     
    1.39 + yi    = f->lat      
    1.40 +
    1.41 + sec_to_year = 86400.*365.
    1.42 +
    1.43 + bo = linint2_points(xi,yi,b,True,xo,yo,0) * sec_to_year
    1.44 +;print (bo)
    1.45 + 
    1.46 + ccr = esccr(bo,c,0)
    1.47 + print (ccr)
    1.48 +
    1.49 +;old eq
    1.50 +;bias = sum(((bo(0,:)-c(:))/c(:))^2)
    1.51 +;M    = (1. - sqrt(bias/nx))*5.
    1.52 +
    1.53 +;new eq
    1.54 + bias = sum(abs(bo(0,:)-c(:))/(bo(0,:)+c(:)))
    1.55 + M    = (1. - (bias/nx))*5.
    1.56 +
    1.57 + print (bias)
    1.58 + print (M)
    1.59 +
    1.60 +end