DIAG SET 5: CN ANNUAL MEANS OVER LAND - DIFFERENCE (case1 - case2)
 
TEST CASE (case1):      b214hist  (yrs 1994-2013)
 
REFERENCE CASE (case2): CESM2HIST001  (yrs 1995-2014)
 
DIFFERENCE:            (b214hist) - (CESM2HIST001)
 
Variable                                                              case1-case2
 
NEE(PgC/y) net ecosys exchange of C;incl fire flx;pos for source          -1.687
NEP(PgC/y) net ecosystem production;excl fire flx;pos for sink             2.984
NBP(PgC/y) net biome production, includes fire, landuse and harvest flux   0.060
GPP(PgC/y) gross primary production                                        5.885
CUE(NPP/GPP) carbon use efficiency                                         0.001
PSNSUN_TO_CPOOL(PgC/y) GPP from Sunlit Canopy                              2.021
PSNSHADE_TO_CPOOL(PgC/y) GPP from Shaded Canopy                            3.865
NPP(PgC/y) net primary production                                          3.150
AGNPP(PgC/y) above ground net primary production                           2.155
BGNPP(PgC/y) below ground net primary production                           1.241
MR(PgC/y) maintenance respiration                                         -0.631
GR(PgC/y) total growth respiration                                         0.451
AR(PgC/y) autotrophic respiration (MR + GR)                                2.735
LITHR(PgC/y) litter hetereotrophic respiration                          -999.000
SOMHR(PgC/y) SOM hetereotrophic respiration                             -999.000
HR(PgC/y) total hetereotrophic respiration                                 0.166
RR(PgC/y) root respiration (fine root MR + total root GR)                  1.891
SR(PgC/y) total soil respiration (HR + root resp)                          2.057
ER(PgC/y) total ecosystem respiration (AR + HR)                            2.902
FINUNDATED(unitless) Fractional inundated of veg col                       0.015
FCH4(PgC/y) Gridcell surface CH4 flux                                      0.010
FCH4TOCO2(PgC/y) Gridcell oxidation of CH4 to CO2                          0.061
FCH4_DFSAT(PgC/y) CH4 additional flux                                      0.000
CH4PROD(PgC/y) Gridcell total CH4 production                               0.071
CH4_SURF_AERE_SAT(Tmol/y) aerenchyma sfc CH4 flx-inundated area           11.381
CH4_SURF_AERE_UNSAT(Tmol/y) aerenchyma sfc CH4 flx-non-inundated area     -2.265
CH4_SURF_DIFF_SAT(Tmol/y) diffusive sfc CH4 flx-inundated/lake area        0.019
CH4_SURF_DIFF_UNSAT(Tmol/y) diffusive sfc CH4 flx-non-inundated area      -0.295
CH4_SURF_EBUL_SAT(Tmol/y) ebullition sfc CH4 flx-inundated/lake area       1.329
CH4_SURF_EBUL_UNSAT(Tmol/y) ebullition sfc CH4 flx-non-inundated area      0.074
LEAFC(PgC) leaf carbon                                                     0.326
XSMRPOOL(PgC) Temporary Photosynthate C Pool                               0.289
SOIL3C(PgC) Soil organic matter C (slow pool)                           -999.000
SOIL4C(PgC) Soil organic matter C (slowest pool)                        -999.000
FROOTC(PgC) fine root carbon                                               0.979
LIVESTEMC(PgC) live stem C                                                 0.143
DEADSTEMC(PgC) dead stem carbon                                           -7.528
LIVECROOTC(PgC) live coarse root carbon                                    0.046
DEADCROOTC(PgC) dead coarse root carbon                                    2.611
CPOOL(PgC) temporary photosynthate C pool                                  0.000
TOTVEGC(PgC) total vegetation C, excluding cpool                          -1.178
CWDC(PgC) coarse woody debris carbon                                    -999.000
TOTLITC(PgC) total litter carbon                                          -8.171
TOTLITC_1m(PgC) total litter carbon to 1m depth                           -8.197
TOTSOMC(PgC) total SOM carbon                                           -805.781
TOTSOMC_1m(PgC) total SOM carbon to 1 meter depth                       -162.467
TOTLITN(TgN) total litter N                                              -67.671
TOTLITN_1m(TgN) total litter N to 1m depth                               -69.291
TOTSOMN(TgN) total soil organic matter N                              -73330.727
TOTSOMN_1m(TgN) total soil organic matter N to 1m depth               -14843.594
TOTECOSYSC(PgC) total ecosystem C, incl veg but excl cpool              -824.665
TOTCOLC(PgC) total ecosystem C, incl veg and cpool                      -824.474
FPG(proportion) fraction of potential GPP                               -999.000
FPI(proportion) fraction of potential immobilization                       0.018
NDEP_TO_SMINN(TgN/y) nitrogen deposition                                  -1.060
FERT(TgN/y) fertilizer added                                            -999.000
FERT_TO_SMINN(TgN/y) fertilizer to soil mineral N                       -999.000
NFERTILIZATION(TgN/y) fertilizer added                                     4.763
POTENTIAL_IMMOB(TgN/y) Potential Immobilization                         -382.269
ACTUAL_IMMOB(TgN/y) Actual Immobilization                               -267.849
GROSS_NMIN(TgN/y) Gross N Mineralization                                -254.604
NET_NMIN(TgN/y) Net N Mineralization                                      13.248
NDEPLOY(TgN/y) Total N Deployed in New Growth                             93.675
RETRANSN_TO_NPOOL(TgN/y) Retranslocated N to NPool                         5.364
SMINN_TO_NPOOL(TgN/y) Mineral N to NPool                                  47.093
DENIT(TgN/y) Total Denitrification                                       -16.889
SOIL3N(TgN) soil organic matter N (slow pool)                           -999.000
SOIL4N(TgN) Soil organic matter N (slowest pool)                        -999.000
NFIX_TO_SMINN(TgN/y) nitrogen fixation                                  -999.000
NAM(TgN/y) AM-associated N uptake flux                                   541.784
NECM(TgN/y) ECM-associated N uptake flux                                 185.348
NFIX(TgN/y) Symbiotic BNF uptake flux                                     33.249
NRETRANS(TgN/y) Retranslocated N uptake flux                              20.595
NPP_NUPTAKE(PgC/y) total carbon used by N uptake in FUN                    2.068
FFIX_TO_SMINN(TgN/y) free living N fixation to soil mineral N           -999.000
NPP_NFIX(PgC/y) Symbiotic BNF uptake used C                                0.458
NPP_NACTIVE(PgC/y) Mycorrhizal N uptake used C                             1.874
NPP_NRETRANS(PgC/y) retranslocated N uptake flux                           0.034
SUPPLEMENT_TO_SMINN(TgN/y) supplement to mineral nitrogen                  0.000
SMINN_LEACHED(TgN/y) Nitrogen Leached                                   -999.000
SMIN_NO3_LEACHED(TgN/y) Soil NO3 pool loss to leaching                     2.746
SMIN_NO3_RUNOFF(TgN/y) Soil NO3 pool loss to runoff                       18.467
SMINN(TgN) soil mineral N                                              -1930.112
RETRANSN(TgN) plant pool of retranslocated N                           -2707.397
COL_CTRUNC(PgC) column-level sink for C truncation                      -999.000
PFT_CTRUNC(PgC) pft-level sink for C truncation                         -999.000
COL_NTRUNC(TgN) column-level sink for N truncation                      -999.000
PFT_NTRUNC(TgN) pft-level sink for N truncation                         -999.000
COL_FIRE_CLOSS(PgC/y) total column-level fire C loss                       1.296
PFT_FIRE_CLOSS(PgC/y) total pft-level fire C loss                          1.017
COL_FIRE_NLOSS(TgN/y) total column-level fire N loss                      13.291
PFT_FIRE_NLOSS(TgN/y) total pft-level fire N loss                          8.940
FAREA_BURNED(proportion/y) fractional area burned                          0.037
BAF_CROP(proportion/y) fractional area burned - crop                       0.004
CWDC_HR(PgC/y) Coarse Woody Debris C Hetereotrophic respiration         -999.000
CWDC_LOSS(PgC/y) Coarse Woody Debris C Loss                                0.076
FROOTC_ALLOC(PgC/m2y) Fine root C allocation                               1.058
FROOTC_LOSS(PgC/m2y) Fine root C Loss                                      1.064
LEAFC_ALLOC(PgC/m2y) Leaf C Allocation                                     1.014
LEAFC_LOSS(PgC/m2y) Leaf C Loss                                            0.386
LITTERC(PgC) Total Litter C                                             -999.000
LITTERC_HR(PgC/m2y) Litter Hetereotrophic Respiration                     -2.212
LITTERC_LOSS(PgC/m2y) Litter C Loss                                       -4.247
SOILC(PgC) soil organic matter C (fast pool)                            -999.000
SOILC_HR(PgC/y) Soil C hetereotrophic respiration                         -2.172
SOILC_LOSS(PgC/y) Soil C Loss                                           -999.000
WOODC(PgC) Wood C                                                         -4.728
WOODC_ALLOC(PgC/y) Wood C Allocation                                       0.601
WOODC_LOSS(PgC/y) Wood C Loss                                              0.320
