LASG, Institute of Atmospheric Physics

1
WGCM 13th Meeting, Point Cavallo, Sausalito, CA,
Sep. 28-30, 2009
Status of CMIP5 Activities in China
Bin WANG
Email wab_at_lasg.iap.ac.cn

• LASG, Institute of Atmospheric Physics
• Chinese Academy of Sciences

Contributors T.J. Zhou, Y.Q. Yu, J.P. Liu, H.L.
Liu, Q. Bao, L.J. Li (LASG/IAP)
T.W. Wu (BCC) and W.J. Dong (BNU)
2
Outline

• Status of LASG/IAP Modeling
• (supported by Chinese Academy of Sciences)
• Status of BCC Modeling
• (supported by Chinese Meteorological
  Administration)
• Status of BNU Modeling
• (supported by Beijing Normal University)
• Highlights (Monsoon Simulation)

3
Framework of LASG/IAP Flexible Global
Ocean-Atmosphere-Land System Model (FGOALS)
Status of LASG Modeling
LICOM
GAMIL (Low) -- Millennial simulation GAMIL (High)
-- Decadal prediction SAMIL (R42L26) -- Long term
Improved CICE4
Common Land Model
3
4
Status of LASG Modeling
Comparisons of GAMIL and SAMIL
5
Status of LASG Modeling
Major changes for LICOM (AR4 to AR5)
6
Changes of sea ice model (AR4 to AR5)

• Major improvements in physical parameterizations
• Varying sea ice salinity in time, vertically
  and horizontally
• More realistic disposition of solar radiation
  in snow and sea ice

7
FGOALS_g2.0
Status of LASG Modeling
Seasonal cycle of precipitation rate
Seasonal cycle of TOA upward LW flux
8
FGOALS_g2.0
Status of LASG Modeling
Poleward oceanic heat transport (PW)
Meridional Streamfunction (Sv)
FGOALS_g1.1
FGOALS_g1.0
FGOALS_g2.0
9
Status of LASG Modeling
Sea ice concentrations
Observation
AR4
FGOALS_g1.x
Feb.

Sep.
10
FGOALS_s2.0
Status of LASG Modeling
Precipitation
11
FGOALS_s2.0
ENSO
Status of LASG Modeling
12
Regional model downscaling
Status of LASG Modeling
LASG-ROAM (Regional Ocean-Atmosphere coupled
Model)
IC and lateral BC NCEPII or CGCM
CREM/RegCM3 (37km)
(60km)
Coupling frequency 1-3 hour
Flux
OASIS3.0
SST
BC Radiation method
Regional Ocean Model (POM2000)
To be involved in WCRP CORDEX
13
Status of LASG Modeling
Experiments will be completed by LASG/IAP
14
Status of LASG Modeling
Experiments will be completed by LASG/IAP
15
Framework of BCC CSM
Status of BCC Modeling
To be involved in WCRP CORDEX
16
BCC CSM
Status of BCC Modeling
Precipitation
17
Annual mean net air-sea CO2 flux
BCC CSM
Status of BCC Modeling
MOM4-L40
BCC_CSM1.1.2
Observation from Takahashi (2002)
18
(No Transcript)
19
Experiments will be completed by BCC
Status of BCC Modeling
20
Progress on GCESS-ESM1.0College of Global Change
and Earth System Science, BNU
Status of BNU Modeling

• 1. Complete the test version of GCESS-ESM
• 2. Complete gt100 years of pre-industrial control
  run
• 3. Couple terrestrial carbon cycle into CoLM3
  
• Plan for 2009.10-2010.12
• 2009.10-12 Test the models stability after
  adding oceanic carbon cycle
• 2010.1-6 CMIP5 core experiment
• 2010.8-9 Data analysis and experiment report
• 2010.10-12 Submit GCESS-ESM1.0 outputs

CAM3.5
CPL5
MOM4
CoLM3
CSIM5
21
Status of BNU Modeling
Sea level pressure
SST
22
Correlation between the simulated (AMIP MME) and
observed rainfall anomalies
Highlight (Monsoon Simulation)

• High skill in tropical region
• Nearly no skill in Asian monsoon region.

Zhou et al., 2009
23
Highlight (Monsoon Simulation)
Correlation (EOF spatial pattern of rainfall
anomalies) between the simulations (AMIP models)
and observation
Zhou et al., 2009
24
Highlight (Monsoon Simulation)
Precipitation mean state and inter-decadal
change
GFDL AM2.1
NCAR CAM3
Mean
Change
Li et al., 2008
25
Annual mean SAT anomalies during the little ice
age (LIA)
Millennial simulation
Comparison of SAT anomalies at 30 sites