The Knowledge Innovation Program of the Chinese Academy of Sciences

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The Knowledge Innovation Program of the Chinese
Academy of Sciences Study on Carbon Budget in
Terrestrial and Marginal Sea Ecosystems of China
(CBTSEC) Yu Guirui Wang Shaoqiang ltwangsq_at_www.l
reis.ac.cngt (Institute of Geographic Sciences and
Natural Resources Research)
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1.Research Background

• The emission of GHG results in increasing of CO2
  and CH4 concentration and global climate change
• How to control and modify global carbon budget
  and prevent climate warming is the most serious
  challenge for international social economic
  sustainable development
• The Global Carbon Budget is the core problem of
  IGBP-IHDP-WCRP)

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• To control and modify the global carbon budget,
  prevent climate warming are serious challenge for
  international society.

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UNFCCC????????????,?????/????????????????????????
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2. Science problem of research plan

• What are patterns of Carbon Sources/Sinks of
  terrestrial ecosystem in China?
• What are key driving factors of terrestrial
  ecosystem carbon processes in China?
• How do terrestrial ecosystems response and
  feedback to global climate change?
• What are potential and policy of increasing sink
  and mitigating emission of terrestrial ecosystem
  in China?
• How does China use Kyoto Protocol to protect
  national benefits?
• How does China implement international obligation
  and make available national activity???

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3. Academic framework of research
Observation of carbon fluxes?storage (Micro-meteor
ology? Static Chamber/GC? RS)
Historical processes research
Present processes research
C model research
Response and feedback of C budget to climate
change
Rule of C cycle processes
C budget patterns of present and future
Mitigation/Sequestration strategy
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4. Objectives and content of research plan
Biogeochemistry process
Forest Grassland Cropland Wetland Lake Marginal
sea
National objective Scientific objective Capacity
building
Development of C model
Reconstruction of historic evolvement process
Patterns of C sink/source and mitigation /
sequestration strategy
Observation system of C flux and storage in China
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5. Observation plan of ChinaFlux

AsiaFLUX
ChinaFlux
JGOFS/SOLAS
Immobile Observation plan of typical ecosystem
Observation plan of typical ecosystem comparison
Mobile Observation plan of typical ecosystem
FLUXNET
GTOS
Observation plan of ground and satellite
IGOS
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6. Location of ChinaFlux Station
Micro-Station Chamber-Station Ocean-Station
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7. Main research content(1)
I. C flux and storage of typical terrestrial and
marginal sea ecosystem in China

• Research content
• C flux observation of terrestrial ecosystem in
  China
• C flux observation of marginal sea ecosystem in
  China
• Quantitative RS observation of terrestrial and
  marginal sea ecosystem in China

• Key scientific objective
•  Construction of ChinaFlux Network
•  Characterize spatial and temporal change of C
  flux in China
• Improvement of quantitative RS method of C flux
  and storage

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8. Main research content (2)
II. Biogeochemistrical processes of C flux and
storage of terrestrial and marginal sea
ecosystem in China
Research content Biogeochemistrical processes of
C flux and storage of forest, cropland,
grassland, lake and marginal sea ecosystem

• Key scientific objective
• Dynamic mechanisms of C cycle process
• Driving factors and function rule of major
  ecosystem C cycle
• Influence mechanisms of human activities on C
  cycle processes

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9. Main research content (3)
III. Historical process of terrestrial ecosystem
C cycle in China

• Research content
• Historical process of terrestrial ecosystem C
  cycle in China
• Relationship of GHG change and climate based on
  continental glacial record in China

• Key scientific objective
• Accuracy assessment of historical substitute
  material and distinguishing method of LUCC types
• Key driving factors of LUCC and terrestrial C
  cycle
• Determining Technique of age entrapped air in ice
  core

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10. Main research content (4)
IV. C cycle model of terrestrial and marginal sea
ecosystem in China

• Research content
• C cycle model of forest, grassland, cropland,
  wetland, lake and marginal sea ecosystem based on
  processes
• Response and feedback of C budget to global
  change of terrestrial and marginal sea ecosystem
  in China

• Key scientific objective
• Integration of GIS and RS in C cycle models of
  terrestrial and marginal sea ecosystem
• Accuracy estimation of C budget of terrestrial
  and marginal sea ecosystem
• Response and feedback of C budget to global change

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11. Main research content (5)
V.Comprehensive research on C budget and
mitigation/sequestration sink strategy in China

• Research content
• Comprehensive analysis of C budget of terrestrial
  ecosystem in China
• Mitigation/sequestration sink strategy of
  terrestrial ecosystem
• Comparison research of international mitigation
  scheme

• Key scientific objective
• Assessment method of C mitigation and
  sequestration technique
• C mitigation and sequestration technique o
  ecosystem
• The influence of energy structure on C emission
• Available of utilizing Kyoto Mechanism in China

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Study on terrestrial ecosystem carbon cycle and
its driving mechanism in China
National Key Science Research Project (20032007)
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Prime minister Zhu Rongji said that China had
ratified Kyoto Protocol  
Chinese Premier's address to the Earth Summit  03
Sep 2002 Description Chinese Premier Zhu
Rongji on Tuesday said China had ratified the
Kyoto protocol on climate change.
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2.1 Key scientific question

• Biogeography mechanisms of C sink/source spatial
  patterns
• Controlling mechanisms and human influence of
  carbon cycle
• Acclimatization mechanisms of biological
  processes of C cycle to climate change
• Effects and benefits of terrestrial ecosystem
  management on carbon sink
• C transport processes through river in
  terrestrial C cycle.

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3.1 Technique Scheme
UNFCCC Negotiation
C sink/sourcepatters of spatial and
temporal?history?future scenario C cyclecontrol
mechanisms?human perturbs ?cycle period?
acclimation C sequestrationpotential?cost and
benefits?sustainable?leak
C exchange dynamic mechanisms
Bottom up
Top Down
LUCC and driving mechanisms
Scaling up and down
RS inversion model
Dynamic C models
Observation of C flux and storage Acclimatization
experiments of biological processes of C cycle
MODIS and TM database LUCC and social-economy
database
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Processes of terrestrial ecosystem C cycle
C exchange
CO2 respiration
Photosynthesis CO2
C exchange
C diffuse
C emission
?
Biomass
NPP
LUCC
?
C sediments
C fixation
?
?
CO2 Decomposition respiration

CO2 ??
?
NEP
litter
C sediments
erosion

Below-ground C (Soil and roots)
NBP
Estuary C transport
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3.2 Research content (1) Comparison of C flux and
storage of typical terrestrial ecosystem

• Research content
• Comprehensive observation of C flux
• Transect investigation of C storage
• Comparison of C flux and storage among different
  ecosystems

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Design of ChinaFlux station and transect
investigation
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3.2 Research content (2) Experimental study of
biological acclimation of terrestrial ecosystem
C cycle

• Research content
• Effects of elevated CO2 concentration on
  biological processes of terrestrial C cycle
• Concerted influence of elevated CO2 concentration
  and climate warming on terrestrial C cycle
• Acclimation mechanisms of C cycle biological
  processes to environmental change

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3.2 Research content (3) Dynamic mechanisms and
model of terrestrial ecosystem C cycle

• Research content
• Bio-physics mechanisms of C cycle
• Cycle period and storage function among C pools
• Terrestrial C cycle dynamic model

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3.2 Research content (4)Typical river C flux and
estuary marginal sea C transport processes

• Research content
• Observation of estuary C flux
• Rules of typical river and estuary C transport
• Historical evolvement processes of estuary C
  sediment

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3.2 Research content (5) RS inversion and scaling
technologies of terrestrial ecosystem C patterns

• Research content
• RS inversion model of C cycle parameters
• Experimental RS of C cycle processes parameter in
  field scale
• Spatial and temporal scale transform of C cycle
  processes
• Integration of RS inversion model and C cycle
  dynamic model

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3.2 Research content (6) History, present and
future scenario of terrestrial ecosystem C
sink/source in China

• Research content
• Synthesis assessment of actual C sink/source
• Evolvement of C sink/source and its driving
  mechanisms, future scenario
• Effects and assessment of human activity on C
  cycle

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3.2 Research content (7) UNFCCC Negotiation and
implementation strategy

• Research content
• Basis of global C cycle and sink strategy
• inventory, potential of C sequestration sink and
  feasibility of C sink increasing technique in
  China
• C Sequestering effect of great ecological
  environmental construction project
• Feasibility of CDM involving in C sink program

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3.3 Relationship among project components
1 Comparison of C flux and storage of typical
terrestrial ecosystem
2 Experimental study of biological acclimation
of terrestrial ecosystem C cycle
7 UNFCCC Negotiation and implementation strategy
Parameter
3 Dynamic mechanisms and model of terrestrial
ecosystem C cycle
Coupling analysis
Science question
6 History, present and future scenario of
terrestrial ecosystem C sink/source in China
parameter
Method
Integration
Method
4 Typical river C flux and estuary marginal
sea C transport processes
National requirements
5 RS inversion and scaling technologies of
terrestrial ecosystem C patterns
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Thanks !