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  • AMOC Project (old CCSM4)
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Observations

Data Analysis
Merged SST (HadiSST 1870-1981; NCEP OI2 1981-2008) EOFs

Fully-Coupled

1990, 20th Cent, 1850, Prediction

Experiment Description Initialization Diagnostics
Atmosphere Ice Land Ocean
b40.032b Present Day,
ccsm4_0_beta10, 1.9x2.5_gx1v5,
CAM3_5, N^2 dependent kappa
Case Info. Yrs 483-502 w/ Obs Yrs 611-910 vs Obs Yrs 483-502 w/ Obs pd.timeseries,
541-560,
pd.moc.360-909,
b40.032b_no Present Day,
equivalent to b40.032b, BUT no overflows
b40.032b 0359-01-01 Atm Yrs 611-1090 vs Obs Lnd pd.timeseries,
541-560,
MOC_compare,
pd.moc.530-1079,
b40.20th.track1.1deg.002a 1850-2000 transient, Track1,
start from end of b40.1850.track1.1deg.004,
CN + new ice albedo
Case Info. Yrs 1985-2004 w/ Obs, Yrs 1985-2004 vs Obs Yrs 1985-2004 vs Obs pd.timeseries,
1985-2004, MOC_compare
b40.1850.track1.008 1850 Control,
B1850TR1 new ice albedos, CN,
rhminl 0.924
Case Info. Yrs 515-534 w/ Obs Yrs 515-534 vs Obs Yrs 515-534 vs Obs pd.timeseries,
515-534
b40.20th.track1.005 1850-2000 transient, Track1,
start from 101-01-01 of b40.1850.track1.008
Case Info. Yrs 1985-2004 w/ Obs Yrs 1985-2004 vs Obs Yrs 1985-2004 vs Obs pd.timeseries,
MOC_compare
b40.1850.track1.1deg.005 1850 Control,
hybrid run off end of b40.1850.tr1_bgcspin,
160 years spun up
Case Info. Yrs 131-150 w/ Obs Yrs 131-150 vs Obs Yrs 131-150 vs Obs pd.timeseries
131-150,
MOC_compare
b40.1850.track1.2deg.003 1850 2deg Control,
Out-of-box beta35
Case Info. Atm Ice Lnd MOC_compare
pd.MOC.400-1000,
b40.1850.track1.1deg.006 1850 Control,
hybrid run off end of b40.1850T1_1deg_07ornl,
(130+ years spun up)
Case Info. Atm Ice Lnd pd.timeseries
181-200,
1001-1100,
MOC_compare,
pd.MOC.400-1000,
pd.MOC.700-1299,
b40.20th.track1.1deg.004 1850-2005 transient, Track1,
start from 0863-01-01 of b40.1850.track1.1deg.006
Case Info. Atm Ice Lnd pd.timeseries,
MOC_compare,
MOC_compare2,
SSTA_2000-2005,
b40.20th.track1.1deg.005 1850-2005 transient, Track1,
start from 0863-01-01 of b40.1850.track1.1deg.006,
CMIP5 aerosols
Case Info. Atm Ice Lnd Ocn
b40.20th.track1.1deg.006 1850-2005 transient, Track1,
start from 0893-01-01 of b40.1850.track1.1deg.006,
CMIP5 aerosols
Case Info. Atm Ice Lnd Ocn
b40.20th.track1.1deg.007 1850-2005 transient, Track1,
start from 0983-01-01 of b40.1850.track1.1deg.006,
CMIP5 aerosols
Case Info. Atm Ice Lnd Ocn
b40.dp.i1970.1deg.001 1970-2005 prediction,
ocn/ice IC: g.b29.01,
atm/lnd IC: a 20C run
Case Info. Atm Ice Lnd Ocn
b40.dp.i1980.1deg.001 1980-2005 prediction,
ocn/ice IC: g.b29.01,
atm/lnd IC: a 20C run
Case Info. Atm Ice Lnd Ocn
b40.dp.i1990.1deg.001 1990-2005 prediction,
ocn/ice IC: g.b29.01,
atm/lnd IC: a 20C run
Case Info. Atm Ice Lnd Ocn
b40.dp.i2000.1deg.001 2000-2005 prediction,
ocn/ice IC: g.b29.01,
atm/lnd IC: a 20C run
Case Info. Atm Ice Lnd Ocn
b40.dp.i2000.1deg.005 2000-2005 prediction,
ocn/ice IC: c.da48 (DART),
atm/lnd IC: a 20C run
Case Info. Atm Ice Lnd Ocn
b40.dp.i2000.rcp4_5.1deg.005 2005-2030 prediction extension,
ocn/ice IC: b40.dp.i2000.1deg.005,
atm/lnd IC: b40.dp.i2000.1deg.005
Case Info. Atm Ice Lnd 2020-2029,
b40.dp.i2000.rcp4_5.1deg.006 2005-2030 prediction extension,
ocn/ice IC: b40.dp.i2000.1deg.006,
atm/lnd IC: b40.dp.i2000.1deg.006
Case Info. Atm Ice Lnd 2020-2029,
b40.dp.i2000.rcp4_5.1deg.007 2005-2030 prediction extension,
ocn/ice IC: b40.dp.i2000.1deg.007,
atm/lnd IC: b40.dp.i2000.1deg.007
Case Info. Atm Ice Lnd 2020-2029,
b40.dp.i2000.rcp4_5.1deg.008 2005-2030 prediction extension,
ocn/ice IC: b40.dp.i2000.1deg.008,
atm/lnd IC: b40.dp.i2000.1deg.008
Case Info. Atm Ice Lnd 2020-2029,

Coupled Ocean-Ice

Experiment Description Initialization Diagnostics
Atmosphere Ice Land Ocean
g.b29.01 ccsm4_0_beta29, GIAF,CORE2_IAF (1948-2007);
equivalent to c.b27.01; sfwf_weak_restore = 0.0115
Levitus/PHC Atm Yrs 1-60,
Yrs 61-120,
Yrs 121-180,
Yrs 181-240,
Lnd 51-60,
111-120,
171-180,
1998-02,
1998-03,
1998,
1999,
2000-02,
231-240,
WOCEtracks.3rdcycle,
pd.timeseries,
pd.MOC.121-180,
pd.MOC.181-240,
g.b29.02 ccsm4_0_beta29, GIAF,CORE2_IAF (1948-2007);
equivalent to c.b27.02; sfwf_weak_restore = 0.046
Levitus/PHC Atm Yrs 1-60,
Yrs 61-120,
Yrs 121-180,
Yrs 181-240,
Lnd 51-60,
111-120,
171-180,
231-240,
pd.timeseries
g.b29.03 ccsm4_0_beta29, GIAF,CORE2_IAF (1948-2007);
equivalent to c.b27.03; sfwf_weak_restore = 0.55
Levitus/PHC Atm Yrs 1-60,
Yrs 61-120,
Yrs 121-180,
Yrs 181-240,
Lnd 51-60,
111-120,
1998,
171-180,
231-240,
pd.timeseries,
pd.MOC.121-180,
g.b29.04 ccsm4_0_beta29, GIAF,CORE2_IAF (1948-2007);
equivalent to c.b27.04; sfwf_weak_restore = 0.0
Levitus/PHC Atm Yrs 1-60,
Yrs 61-120,
Yrs 121-180,
Yrs 181-240,
Lnd 51-60,
111-120,
171-180,
231-240,
pd.timeseries

Ocean Only

Experiment Description Initialization Diagnostics
Atmosphere Ice Land Ocean
c.b12.001 CORE2 IAF, 0.5deg SSMI, 1deg annual Dai-Tren runoff,
ccsm4_0_beta12, N^2 dependent kappa
Levitus/PHC2 Atm Ice Lnd 20-20,
44-53 (1991-2000),
pd.timeseries,
c.b12.002 CORE2 NYF, 0.5deg SSMI, 1deg annual Dai-Tren runoff,
ccsm4_0_beta12, N^2 dependent kappa
Levitus/PHC2 Atm Ice Lnd 20-20,
44-53,
91-100,
141-150,
pd.timeseries,MOC_compare
c.b12.002a identical to c.b12.002 BUT climatological (12-month) Dai-Tren runoff branch from 0075-01-01 of c.b12.002 Atm Ice Lnd 91-100,
141-150,
141-150w/c.b12.002,
pd.timeseries,MOC_compare
c.b12.002b identical to c.b12.002 BUT interannual (56-year) Dai-Tren runoff branch from 0075-01-01 of c.b12.002 Atm Ice Lnd 91-100,
141-150,
141-150w/c.b12.002,
pd.timeseries,MOC_compare
c.b12.002a.2x identical to c.b12.002a BUT uses future projection
climatological (12-month) runoff (runoff.daitren.clim.090427.future.nc)
branch from 0075-01-01 of c.b12.002 Atm Ice Lnd 91-100,MOC_compare,
c.b27.01 CORE2 IAF 1948-2007 (60 yr cycle): 0.5deg SSMI, 12-month clim Dai-Tren runoff, ccsm4_0_beta27, sfwf_weak_restore = 0.0115 Levitus/PHC2 Atm Ice Lnd 51-60,
111-120,
171-180,
231-240,
1998,
1999,
pd.timeseries,
WOCEtracks.3rdcycle,
c.b27.02 CORE2 IAF 1948-2007 (60 yr cycle): 0.5deg SSMI, 12-month clim Dai-Tren runoff, ccsm4_0_beta27, sfwf_weak_restore = 0.046 Levitus/PHC2 Atm Ice Lnd 51-60,
2000_01,
111-120,
171-180,
231-240,
pd.timeseries,
c.b27.03 CORE2 IAF 1948-2007 (60 yr cycle): 0.5deg SSMI, 12-month clim Dai-Tren runoff, ccsm4_0_beta27, sfwf_weak_restore = 0.55 Levitus/PHC2 Atm Ice Lnd 51-60,
111-120,
1998,
171-180,
231-240,
pd.timeseries,
c.b27.04 CORE2 IAF 1948-2007 (60 yr cycle): 0.5deg SSMI, 12-month clim Dai-Tren runoff, ccsm4_0_beta27, sfwf_weak_restore = 0.0 Levitus/PHC2 Atm Ice Lnd 51-60,
111-120,
pd.timeseries,

DART, Ocean Only

Experiment Description Initialization Diagnostics
Atmosphere Ice Land Ocean
dart.002hy 23-ocean, ccsm4_0_beta21ie, January 2000 CORE2 IAF,
GTSPP T&S, daily restart/assimilate
c.b12.001, jan01, various years Atm Ice Lnd Jan2000_12,
dart.003hy equivalent to dart.002hy BUT: correct & evaluate salinity, cutoff=0.2,
reduced TEMP variance, DART speedup.
c.b12.001, jan01, various years Atm Ice Lnd Jan2000_20,
Jan2000_ensavg,
dart.004 January 2000; WOD obs; S var = 0.5g/kg; T var = 1degC c.b12.001, jan01, various years Atm Ice Lnd Jan2000_17,
Jan2000_ensavg,
Feb2000_3,
Feb2000_ensavg,
dart.004ai February 2000; WOD obs; equivalent to dart.004 BUT w/ adaptive inflation dart.004, feb01 Atm Ice Lnd Feb2000_9,
Feb2000_ensavg,
dart.005.6 January 1998 on; WOD obs; adaptive inflation OFF; 6 nodes c.b12.001, jan01 Atm Ice Lnd Jan1998_14,
Feb1998_18,
1998_9,
1998_ensavg,
1999_9,
1999_ensavg,
c.da48 January 1998 on; WOD obs; NO inflation; 48-member core2 hindcasts, jan01-1998 Atm Ice Lnd Mar1998_9,
1998_ensavg,
1998_9,
1999_9,
c.da48.2c January 2000 on; WOD obs; continuation of c.da48 c.da48 Atm Ice Lnd 2000_9,
2001_9,
2002_9,
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