if printtofile:
fig.savefig('SICNH_seascyc_OBS.pdf')
fig = plt.figure()
plt.plot(hadsivcnh,'k'); plt.plot(hadsivpnh,'k--')
plt.plot(cansivcnh,'g'); plt.plot(cansivpnh,'g--')
plt.legend(('HadISST 1979-89','HadISST 2002-11',
'CanESM2 1979-89','CanESM2 2002-12'),'lower left')
plt.title('Total Arctic Sea Ice Volume')
if printtofile:
fig.savefig('SICNHTotVol_seascyc_OBS.pdf')
else:
# calc average SST near sea-ice (where exactly?)
hadsstc60N = cutl.polar_mean_areawgted3d(hadsicc,lat,lon,latlim=latlim)
hadsstp60N = cutl.polar_mean_areawgted3d(hadsicp,lat,lon,latlim=latlim)
hurrsstc60N = cutl.polar_mean_areawgted3d(hurrsicc,lat,lon,latlim=latlim)
hurrsstp60N = cutl.polar_mean_areawgted3d(hurrsicp,lat,lon,latlim=latlim)
cansstc60N = cutl.polar_mean_areawgted3d(cansicc,lat,lon,latlim=latlim)
cansstp60N = cutl.polar_mean_areawgted3d(cansicp,lat,lon,latlim=latlim)
fig = plt.figure()
plt.plot(hadsstc60N,'k'); plt.plot(hadsstp60N,'k--')
#plt.plot(hurrsstc60N,'b'); plt.plot(hurrsstp60N,'b--') # SCREWY
plt.plot(cansstc60N,'g'); plt.plot(cansstp60N,'g--')
plt.legend(('HadISST 1979-89','HadISST 2002-11',
'CanESM2 1979-89','CanESM2 2002-12'),'lower center')
plt.title('Average SST North of ' + str(latlim) + 'N')
if printtofile:
fig.savefig('SST' + str(latlim) + 'N_seascyc_OBS.pdf')
lat = cnc.getNCvar(fnamec,'lat')
lon = cnc.getNCvar(fnamec,'lon')
fldcclim,fldcstd = cutl.climatologize3d(fldc)
fldp1clim,fldp1std = cutl.climatologize3d(fldp1)
fldp2clim,fldp2std = cutl.climatologize3d(fldp2)
fldp3clim,fldp3std = cutl.climatologize3d(fldp3)
if avgtype == 'gt' + str(latlim) + 'Nmasked':
print avgtype + '!!!'
fldc = ma.masked_where(fldc==0,fldc)
fldp1 = ma.masked_where(fldp1==0,fldp1)
fldp2 = ma.masked_where(fldp2==0,fldp2)
fldp3 = ma.masked_where(fldp3==0,fldp3)
fldcpm = cutl.polar_mean_areawgted3d(fldc,lat,lon,latlim=latlim)
fldp1pm = cutl.polar_mean_areawgted3d(fldp1,lat,lon,latlim=latlim)
fldp2pm = cutl.polar_mean_areawgted3d(fldp2,lat,lon,latlim=latlim)
fldp3pm = cutl.polar_mean_areawgted3d(fldp3,lat,lon,latlim=latlim)
# calculate polar mean statistics
tstatp1 = np.arange(1,13,dtype=float)*0
pvalp1 = np.arange(1,13,dtype=float)*0
tstatp2 = np.arange(1,13,dtype=float)*0
pvalp2 = np.arange(1,13,dtype=float)*0
tstatp3 = np.arange(1,13,dtype=float)*0
pvalp3 = np.arange(1,13,dtype=float)*0
for midx in range(0,12):
# # # ##################### Do calculations ################# # annual time-series (3d) anntsc = cutl.annualize_monthlyts(fldc) anntsp1 = cutl.annualize_monthlyts(fldp1) anntsp2 = cutl.annualize_monthlyts(fldp2) anntsp3 = cutl.annualize_monthlyts(fldp3) # annual global mean time-series anngmc = cutl.global_mean_areawgted3d(anntsc, lat, lon) anngmp1 = cutl.global_mean_areawgted3d(anntsp1, lat, lon) anngmp2 = cutl.global_mean_areawgted3d(anntsp2, lat, lon) anngmp3 = cutl.global_mean_areawgted3d(anntsp3, lat, lon) # annual polar (>=60N) mean time-series annpmc = cutl.polar_mean_areawgted3d(anntsc, lat, lon) annpmp1 = cutl.polar_mean_areawgted3d(anntsp1, lat, lon) annpmp2 = cutl.polar_mean_areawgted3d(anntsp2, lat, lon) annpmp3 = cutl.polar_mean_areawgted3d(anntsp3, lat, lon) # global mean annual mean time mean anngmtmc = np.mean(anngmc) anngmtmp1 = np.mean(anngmp1) anngmtmp2 = np.mean(anngmp2) anngmtmp3 = np.mean(anngmp3) # monthly global mean time-series gmc = cutl.global_mean_areawgted3d(fldc, lat, lon) gmp1 = cutl.global_mean_areawgted3d(fldp1, lat, lon) gmp2 = cutl.global_mean_areawgted3d(fldp2, lat, lon)
# calc sea ice area
# mult fraction by grid cell area & sum
areas = cutl.calc_cellareas(lat,lon)
careasp = np.tile(areas,(cfldp.shape[0],1,1)) # need one per time
careasc = np.tile(areas,(cfldc.shape[0],1,1)) # need one per month (climo)
cfldc = cfldc*careasc
cfldp = cfldp*careasp
cfldcall[eii-1,:] = np.sum(np.sum(cfldc[:,lat>0,:],2),1) # NH total ice area
cfldpall[eii-1,:] = np.sum(np.sum(cfldp[:,lat>0,:],2),1) # NH total ice area
else:
latlim = 60 # 60N
# just do polar mean for now
print 'doing polar mean of ' + cfield
cfldcall[eii-1,:] = cutl.polar_mean_areawgted3d(cfldc,lat,lon,latlim=latlim)
cfldpall[eii-1,:] = cutl.polar_mean_areawgted3d(cfldp,lat,lon,latlim=latlim)
# Now get obs for sea ice
if cfield=='sic': # sea ice concentration
fhadsicc = basepath2 + 'HadISST/hadisst1.1_bc_128_64_1870_2013m03_sicn_' +\
ctimstr + 'climo.nc' #SICN, 129x64 CLIMO
fhadsicp = basepath2 + 'HadISST/hadisst1.1_bc_128_64_1870_2013m03_sicn_1870010100-2013030100.nc'
fnsidcsicc = basepath2 + 'NSIDC/nsidc_bt_128x64_1978m11_2011m12_sicn_' + ctimstr + 'climo.nc'
fnsidcsicp = basepath2 + 'NSIDC/nsidc_bt_128x64_1978m11_2011m12_sicn_1978111600-2011121612.nc' #SICN, 129x64
# nsidc_bt_128x64_1978m11_2011m12_sicn_1978111600-2011121612.nc
