1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/npp/42.bias_zonal.nc	Mon Jan 26 22:08:20 2009 -0500
     1.3 @@ -0,0 +1,42 @@
     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 observed data
    1.14 +;************************************************
    1.15 + f     = addfile ("Npp_T42_mean.nc","r")
    1.16 + y     = f->NPP
    1.17 +;************************************************
    1.18 +; read in model data
    1.19 +;************************************************
    1.20 + g     = addfile ("i01.03cn_1545-1569_ANN_climo.nc","r")
    1.21 +;g     = addfile ("i01.04casa_1605-1629_ANN_climo.nc","r")
    1.22 + x     = g->NPP
    1.23 +
    1.24 + delta = 0.00000000001
    1.25 + x0    = x(0,:,:)
    1.26 + y = where(ismissing(y).and.(ismissing(x0).or.(x0.lt.delta)),0.,y)
    1.27 +
    1.28 + p     = zonalAve(y)        
    1.29 +
    1.30 + sec_to_year = 86400.*365.
    1.31 + x0 = x0 * sec_to_year
    1.32 + q = zonalAve(x0)
    1.33 +
    1.34 + good = ind(p .ne. 0.)
    1.35 + u = p(good)
    1.36 + v = q(good)
    1.37 + 
    1.38 + ccr = esccr(u,v,0)
    1.39 + print (ccr)
    1.40 + bias = sum(((v-u)/u)^2)
    1.41 + print (bias)
    1.42 + M    = 1.- sqrt(bias/dimsizes(u))
    1.43 + print (M)
    1.44 +
    1.45 +end