development of an integrated earth system model at frcgc taroh matsuno michio kawamiya hisashi sato...
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Development of an Integrated Earth System Model at FRCGC
Taroh MATSUNO
Michio KAWAMIYA
Hisashi SATO
Kengo SUDO
Frontier Research Center for Global Change
(FRCGC)
FRCGC integrated Earth System Model
Kyousei2 Project:Development of an Integrated Earth System Model at
FRCGC
PI: T. Matsuno
M. Aita, A. Abe-Ouchi***, A. Ito, S. Emori, T. Oikawa**, R. Ogaito, M. Kawamiya M. Kishi*,N. Kuba, T. Kohyama*, H. Kondo, H. Sato, Ta. Suzuki, Ts. Suzuki, K. Sudo, T. Segawa, K. Takata, M. Takahashi***, M. Takigawa, K. Tanaka, Y. Tsushima, Y. Yamanaka*, C. Yoshikawa, S. Watanabe (FRCGC)
M. Kimoto, K. Suzuki, T. Nakajima, H. Hasumi (CCSR/Univ. of Tokyo)
T. Nagashima, T. Nozawa (NIES)
T. Takemura (Kushu Univ.)
Double affiliates of FRCGC researchers: *Hokkaido Univ., **Univ. of Tsukuba, ***CCSR/Univ. of Tokyo
Carbon Cycle Component
FRCGC Carbon Cycle Component Models: Terrestrial model
•Sim-CYCLE by Itoh & Oikawa (2002)
•20 PFTs without dynamic vegetation
•5 compartments for each PFT
“DGVMization” of Sim-CYCLE
Individual basis model, which explicitly treat 3D forest-structure within 30m x 30m patches
Foliage : biomass, crown diameter, crown depth Stem : biomass, height, sapwood & heartwood diameter Root : biomass
Individual characteristics
--- Shape of crown and stem are approximated by cylinder
DGVM: Dynamical Global Vegetation Model
-> Incorporation of the effect of biome-shift into Sim-CYCLE
FRCGC Carbon Cycle Component Models: Oceanic model
•4-compartment ecosystem model (Oschlies & Garcon, 1998)
•Treatment of carbonate system as recommended by OCMIP
•MIROC 3.2 Intermediate Resolution Version (no flux adjustment)
“borrowed” from the K-1 project
•Atmosphere:
CCSR/NIES/FRCGC AGCM 5.7
T42L20
Online aerosol
•Ocean:
COCO3.4 (developed by CCSR, Univ. of Tokyo)
(0.5-1.0)°×1.4°, 43 Layers + BBL
Atmosphere-Ocean Coupled Model
Participation in C4MIP
• C4MIP: Coupled Carbon Cycle Climate Model Intercomparison Project– Strongly IPCC-conscious– Participants: Hadley (UK); IPSL (France); MPI
(Germany); LLNL, NCAR, Berkeley, Maryland, GFDL (US); CSIRO (Australia); FRCGC (Japan)
– Our “pacemaker”
Kyousei Integrated Synergetic System Model of the Earth
KISSME!
C4MIP Phase 1 Experiment
• Land-atmosphere coupled run– Do not really focus on climate-carbon cycle
interaction– CO2 as a simple tracer with sources and sinks
at the surface (including land use change)– Results due in Feb. 2005
Leaf Area Index (Jul. 1990)
LAI （ Model; Jul. 1990 ）LAI （ NOAA AVHRR; Jul. 1990 ）
0
3.5
7
0
3.5
7
Net Primary Production
NPP （ ISLSCP 17 model ave ）
NPP （ Model; 1990-1999 ave ）
0
5
10
15
0
5
10
15
[MgC/ha/yr] [MgC/ha/yr]
Distribution of CO2 (1990)
DJF JJA
320
340
360
[ppmv]
320
340
360
[ppmv]
320
340
360
[ppmv]
Distribution of CO2 from land ecosystem (1990)
DJF JJA
310
330
[ppmv]
310
330
[ppmv]
Distribution of CO2 from air-sea exchange
DJF JJA
320
325
320
325
C4MIP Phase 2 Experiment
• Experiments with full coupled model including the ocean (like KISSME)
• In parallel with Phase 1• Protocol yet to be firmly established• “Flying leap” experiments can be its prototype.
– 1%/yr increase of CO2 emission– Experiments w/ and w/o interactions between climate
and carbon cycle– Results due to Feb. 2005?
Preliminary results from a “climate of 20th century” run with the full
coupled model
w/ interactions
w/o interactions
Obs.
Air-Sea CO2 Exchange
Obs. Nomalized for 1995(Takahashi, 1999)
Model result for 1980
Intrusion of anthropogenic CO2Obs. (Sabine et al., 2004) Model
Atlantic
Pacific
60S Eq. 60N
60S Eq. 40N
Summary for Carbon Cycle Modeling
• Preliminary results with land-atmosphere and land-atmosphere-ocean coupled models
• Collaboration with the “sister project” K-1-> tune-up of the coupled climate model
• Participation in C4MIP-> Contribution to IPCC AR4
• Fine-tuning of the carbon cycle components is now being carried out --- Stay tuned!