1. STATUS of Global Producing Center - Beijing
Peiqun Zhang
Beijing Climate Center, CMA, Beijing,
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

2. Current system BCC CM1.0 (BCC AGCM1.1 & CGCM1.1)
Atmos: T63 (~180km), 16 vertical levels
Ocean: IAP/BCC OGCM, Grid 1.875°x1.875°, 30 vertical levels
LRF
SST:1-tier method; Daily flux adjustment coupled
Ens gen: Atm-LAF(last 8 daily GloAna of each month)
Oce-BCC GODAS1.0 (6 Perturbation by the end of each month)
Forecast: 48 members to 7-11 months (run before 15th every month)
Hindcast: (22 years)
ERF
SST:2-tier method; latest weekly SST persisted anomaly
Ens gen: LAF(00h 06h 12h 18h GloAna of each day)
SVD(4 Perturbation each day)
Forecast: 8 members run to 45 days each day: 40 members (over 5 days)
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

3. 2nd Climate Model System (Exp. Op Dec. 2013):
BCC_CSM1 (AGCM+AVIM+OGCM+SIS)
BCC AGCM2.2:T42L26->T106L26 (~110km)
Originated from CAM3, Improved Dynamics: Wu et al.(2008, J.Atmos.Sci.) and Physics：Wu et al. (2010, Climate Dynamics):
Deep convection：modified Zhang and Mu (2005) scheme .
Dry Adiabatic
Snow cover fraction parameterization (Wu T. and Wu G., 2004)
Sensible and latent flux parameterization on the ocean- Atmosphere interface are modified.
A new cumulus convective parameterization scheme Wu (2012: Climate Dynamics)
MOM4_L40v2
Originated from MOM4 developed by GFDL, Tri-pole gridpoints 1º×1º, 1/3º meridionally in tropics,40 vertical layers, coupled with a carbon cycle module (from OCMIP2) with simple biogeochemical processes.
BCC AVIM1.0
Soil-Vegetation-Atmosphere Transfer module (a multi-layer snow-soil scheme same as NCAR CLM3) with Snow Cover Fraction scheme (sub-grid topography), Vegetation growth module, Soil carbon decomposition module, Land use change scheme (crop planting area)
SIS
From Sea Ice Simulator (SIS) developed by GFDL. Same resolution with oceanic GCM. 3 vertical layers, including 1 snow cover and 2 sea ice layers of equal thickness. Involving the Elastic–Viscous–Plastic dynamic process and Semtner’s thermodynamic process.
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

4. Configuration of System:
Model
ERF: BCC_AGCM2.2(T106L26)
LRF: BCC_CSM1.1-m (BCC_AGCM BCC_AVIM1.0 + MOM4_L40v2 + SIS)
Initialization
Atm: CMA NWP analysis for Forecast & NCEP Reanalysis for Hindcast
Ocean and Sea Ice: BCC-GODAS2.0 for LRF & latest weekly SST persisted anomaly for ERF
Land: BCC-AVIM1.0
Generation of Ensemble Member:
ERF: LAF(00h 06h 12h 18h) 4 members run to 45 days each day. 20 members (over 5 days) ensemble for 6 times per month
LRF: 24 members to 8-13 months (run before 15th every month)
(1) LAF/15 samples: 5 atmos IC (interval 12hr) from NMC/CMA analysis, and 3 Ocean IC from BCC GODAS2.0
(2) Singular Vector forecast: 9 samples
Hindcast:
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

5. Support of RCCs, NMHSs and RCOFs
Products Dissemination
Graphical products disseminated freely at BCC website:
for ERF
for LRF
Digital data (seasonal forecast and hindcast) download on request at:
for registered user
 Digital forecast and hindcast outputs also sent to WMOLC- LRFMME routinely
Users
LC-LRFMME, APCC, RCC (Beijing)
NMHSs (China and partner countries in RA II)
to support operational activities of seasonal prediction
to assist decision-making of governmental agencies/sectors user for agriculture and risk management of flood and drought, etc.
RCOF (FOCRAII, SASCOF, EASCOF, etc. through RCC)
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

6. 2nd Generation 1st Generation Obs from IRI
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

7. Products Developing: MJO & BSISO
RMM Indice
BSISO：
Indice 8d
12-13d
Model:
BCCCSM 1.1m (couple model) T106
Design:
2001–2010 (10 years)
Jan–Dec (12 months)
total 120 samples
Initialization:
2 month nudging (NCEP)
Start time: 00Z
Forecast: 1 month
Output:
Wind, TMP, PREC, OLR, Shum(DAILY)
POST:
Horizontal and vertical interpolation
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

8. (1)EOF result from NCEP vs BCC CSM1.1m
BCC-CGCM

9. MJO Temp-Spat Spectrum
(2)Performance of BCC CSM1.1m on MJO & BSISO
MJO Temp-Spat Spectrum
NCEP-OLR
EOF1+2: 26%
BCC-CGCM
T106 - OLR
EOF1+2: 18%
BSISO

10. GPC Beijing Available Products (additional)
Variables:
Precip., Ts., SST, (OLR…)
Circulation: H500, U/V200, U/V850, T
Index: Nino, IOD, EASMI, Subtropical High, ……
Resolution:
Precip/Ts/SST: 2.5x2.5  1.0x1.0
Circulation: 2.5x2.5 (enough?)
Frequency:
Daily/Pentad for ERF
Monthly for LRF(Seasonal)
Leadtime:
10-30 days  days
1-3months (1 seasonal forecast)  4-9months (2-3 seasonal forecast)
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

11. Ongoing Work
Operational seasonal climate prediction using BCC_CSM1.1m (~ 110 km)
Verification
Products Developing
Developing high resolution version BCC_CSM2.0
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

12. Upgrades of System: BCC_CSM1 (AGCM+AVIM+OGCM+SIS)BCC_CSM2
BCC AGCM2.2:T42L26->T106L26 (~110km)  BCC AGCM3.0: T266 (~45km)
Originated from CAM3, Improved Dynamics: Wu et al.(2008, J.Atmos.Sci.) and Physics：Wu et al. (2010, Climate Dynamics):
Deep convection：modified Zhang and Mu (2005) scheme .
Dry Adiabatic
Snow cover fraction parameterization (Wu T. and Wu G., 2004)
Sensible and latent flux parameterization on the ocean- Atmosphere interface are modified.
A new cumulus convective parameterization scheme Wu (2012: Climate Dynamics)
MOM4_L40v2  MOM4_L50
Originated from MOM4 developed by GFDL, Tri-pole gridpoints 1º×1º, 1/3º meridionally in tropics,40 vertical layers, coupled with a carbon cycle module (from OCMIP2) with simple biogeochemical processes.
BCC AVIM  BCC AVIM2.0
Soil-Vegetation-Atmosphere Transfer module (a multi-layer snow-soil scheme same as NCAR CLM3) with Snow Cover Fraction scheme (sub-grid topography), Vegetation growth module, Soil carbon decomposition module, Land use change scheme (crop planting area)
SIS  CICE
From Sea Ice Simulator (SIS) developed by GFDL. Same resolution with oceanic GCM. 3 vertical layers, including 1 snow cover and 2 sea ice layers of equal thickness. Involving the Elastic–Viscous–Plastic dynamic process and Semtner’s thermodynamic process.
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK

13. Thank you for your attention
Meeting of the joint CBS/CCl ET-OPSLS, March 2014, Exeter, UK