The Knowledge Innovation Program of the Chinese Academy of Sciences Study on Carbon Budget in Terrestrial and Mar

ginal Sea Ecosystems of China (CBTSEC)

Yu Guirui Wang ShaoqiangYu Guirui Wang Shaoqiang<wangsq@www.lreis.ac.cn><wangsq@www.lreis.ac.cn>

(Institute of Geographic Sciences and Natural R

esources Research)

中国科学院知识创新工程重大项目

陆地和近海生态系统碳收支研究

1.Research Background 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)

•To control and modify the global carbon budget, prevent climate warming are serious

challenge for international society.

UNFCCC 谈判的政治化和贸易化趋势 , 使陆地碳汇 / 源研究成为世界政治和经济格局重建的“科学武器或环境武器” . 中国将面临着巨大的压力。

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? 划？

2. Science problem of research plan

Observation of carbon fluxes 、 storage(Micro-meteorology 、 Static

Chamber/GC 、 RS)

Historical processes research

Present processes research

C model research

Rule of C cycle

processes

C budget patterns of present and future

Mitigation/Sequestration

strategy

Response and feedback of C

budget to climate change

3. Academic framework of research

Observation system of C flux and storage in China

Forest

Grassland

Cropland

Wetland

Lake

Marginal sea

Biogeochemistry process

Development of C model

Reconstruction of historic evolvement process

Patterns of C sink/source and

mitigation / sequestration strategy

National objective

Scientific objective

Capacity building

4. Objectives and content of research plan

AsiaFLUX

5. Observation plan of ChinaFlux

Immobile Observation

plan of typical

ecosystem

Observation plan of typical

ecosystem comparison

Mobile Observation

plan of typical

ecosystem

Observation plan of ground and satellite

ChinaFlux

FLUXNET

IGOS

JGOFS/SOLAS

GTOS

Micro-StationMicro-Station

Chamber-StationChamber-Station

Ocean-StationOcean-Station

6. Location of ChinaFlux Station

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

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

7. Main research content （ 1 ）I. C flux and storage of typical 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

8. Main research content （ 2 ）II. Biogeochemistrical processes of C flux and storage of terr

estrial and marginal sea ecosystem in China

Research content

Historical process of terrestrial ecosystem C Historical process of terrestrial ecosystem C cycle in Chinacycle in China

Relationship of GHG change and climate based Relationship of GHG change and climate based on continental glacial record in Chinaon continental glacial record in China

Key scientific objectiveAccuracy assessment of historical substitute material

and distinguishing method of LUCC typesKey driving factors of LUCC and terrestrial C cycleDetermining Technique of age entrapped air in ice core

9. Main research content （ 3 ）III. Historical process of terrestrial ecosystem III. Historical process of terrestrial ecosystem

C cycle in ChinaC cycle 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

10. Main research content （ 4 ）IV. C cycle modelIV. C cycle model of terrestrial and of terrestrial and

marginal sea ecosystem in Chinamarginal sea ecosystem 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 techniqueC mitigation and sequestration technique o ecosystemThe influence of energy structure on C emissionAvailable of utilizing “Kyoto Mechanism” in China

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

Study on terrestrial ecosystem carbon cycle and

its’ driving mechanism in China

National Key Science Research Project (2003—2007)

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.

Prime minister Zhu Rongji said that China had ratified Kyoto Protocol

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.

2.1 Key scientific question

3.1 Technique Scheme

MODIS and TM database

LUCC and social-economy database

RS inversion model

Observation of C flux and storage

Acclimatization experiments of biological processes of C cycle

Dynamic C models

LUCC and driving

mechanisms

C exchange dynamic

mechanisms

Scaling up and down

C sink/source ： patters of spatial and temporal 、 history 、 future scenarioC cycle ： control mechanisms 、 human perturbs 、 cycle period 、 acclimationC sequestration ： potential 、 cost and benefits 、 sustainable 、 leak

UNFCCC Negotiation

Bottom

up

Top

Down

Processes of terrestrial ecosystem C cycle

COCO22

respirationrespirationPhotosynthesisPhotosynthesis

COCO22

Below-ground CBelow-ground C ( (Soil and Soil and rootsroots) )

BiomassBiomass

litterlitter

COCO22

DecompositiDecompositionon

respiration respiration

COCO22

分解

erosionerosion

流河

碳

输

送C diffuse

C sediments

C exchange

NPP

NEP

LUCC

C emission

C fixation

NBP Estuary C transport

C sediments

C exchange

3.2 Research content(1) Comparison of C flux and storage of typical

terrestrial ecosystem

Research contentComprehensive observation of

C flux

Transect investigation of C storage

Comparison of C flux and storage among different ecosystems

Design of ChinaFlux station and transect investigation

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 cycleAcclimation mechanisms of C cycle

biological processes to environmental

change

3.2 Research content (2) Experimental study of biological

acclimation of terrestrial ecosystem C cycle

Research contentBio-physics mechanisms of C

cycleCycle period and storage

function among C poolsTerrestrial C cycle dynamic

model

3.2 Research content (3) Dynamic mechanisms and model

of terrestrial ecosystem C cycle

Research contentObservation of estuary C fluxRules of typical river and estuary

C transportHistorical evolvement processes

of estuary C sediment

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

Research contentRS inversion model of C cycle

parametersExperimental RS of C cycle processes

parameter in field scaleSpatial and temporal scale transform

of C cycle processesIntegration of RS inversion model and

C cycle dynamic model

3.2 Research content(5) RS inversion and scaling technologies

of terrestrial ecosystem C patterns

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

Research contentSynthesis assessment of actual C

sink/source Evolvement of C sink/source and

it’s driving mechanisms, future scenario

Effects and assessment of human activity on C cycle

3.2 Research content(7) UNFCCC Negotiation and implementation

strategy

Research contentBasis of global C cycle and sink strategyinventory, potential of C sequestration

sink and feasibility of C sink increasing

technique in ChinaC Sequestering effect of great ecological

environmental construction projectFeasibility of CDM involving in C sink

program

3.3 Relationship among project components

Science questionCoupling

analysis

Method

Integration

1 ： Comparison of C flux and storage of typical terrestrial

ecosystem

4 ： Typical river C flux and estuary –

marginal sea C transport processes

parameter

National requirements

7 ：UNFCCC

Negotiation and

implementation

strategy

Parameter

5 ： RS inversion and scaling technologies

of terrestrial ecosystem C patterns

6 ： History, present and

future scenario of terrestrial

ecosystem C sink/source in

China

2 ： Experimental study of biological

acclimation of terrestrial ecosystem

C cycle

Method

3 ： Dynami

c mechanisms and

model of

terrestrial

ecosystem C cycle

Thanks !