Terrestrial Carbon Observation - No. 2 - The Ottawa Assessment of Requirements, Status and Next Steps


Environment and Natural Resources Service
Sustainable Development Department

8-11 February 2000
Ottawa, Canada

J. Cihlar, A.S. Denning and J. Gosz (Editors)

Contributing authors

F. Ahern, F. Bretherton, J. Chen, C. Dobson,
C. Gerbig, R. Gibson, R. Gommes, T. Gower,
K. Hibbard, T. Igarashi, R. Olson, C. Potter,
M. Raupach, S. Running, J. Townshend,
D. Wickland, Y. Yasuoka

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 2002

Table of Contents



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ISBN 92-5-104801-0

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© FAO 2002


Table of Contents


FOREWORD

ABSTRACT

ACKNOWLEDGEMENTS

ABBREVIATIONS

EXECUTIVE SUMMARY

1. BACKGROUND, INTRODUCTION AND OBJECTIVES

Needs
Capabilities and Response

2. INFORMATION REQUIREMENTS FOR TERRESTRIAL CARBON

Understanding the Global Carbon Cycle
Global Change Assessment
Multilateral Environmental Agreements
Environmental Management at National, Regional and Local Levels

3. DUAL CONSTRAINT FRAMEWORK

Considerations
'Bottom-Up' Integration Using Models and Spatial Data
'Top-Down' Methods Based on the Inversion of Atmospheric Concentrations
Dual-Constraint Concept

4. OBSERVATION REQUIREMENTS

Procedure
Synthesis: Top-Down Approach
Synthesis: Bottom-Up Approach

5. PRESENT STATUS OF OBSERVATIONS

Atmospheric and Meteorological Observations

Atmospheric Gas Concentrations
Eddy Correlation Flux Towers

Meteorological Variables
Surface Fluxes and Stocks
Satellite Observations

ISSUES

Scaling From Point to Globe/Region
Further Analysis of Baseline Gridded Data Sets
Emissions
Transfer Between Pools
CH4 and Other Gases

7. FROM VISION TO REALITY

Implementation Tasks
Dual Constraint Methodology Research and Development

Near-Term Priorities (2000-2005)
Mid-Term Priorities (2006-2010)
Long-Term Priorities (After 2010)

Data and Information System Considerations

TCO Web Page
Database
Analysis and Modelling Centres

8. CONCLUSIONS AND RECOMMENDATIONS

9. REFERENCES

APPENDIX 1. PARTICIPANTS

APPENDIX 2. WORKSHOP AGENDA

APPENDIX 3. SUMMARIES OF PRESENTATIONS

The IGBP Carbon Cycle Research Programme
Summary of IPCC 1996 Reporting Guidelines for National Greenhouse Gas Inventories
Terrestrial Carbon Observations in the context of the three Rio Conventions
Terrestrial Carbon Data needed to implement the Kyoto Accords
Understanding the Terrestrial Carbon Cycle
Climate-related Global Observation Requirements for Terrestrial Carbon: Results of TOPC Analysis
The Australian Carbon Cycle Project
Canadian Terrestrial Carbon Cycle Research and Observation Requirement: A Bottom-Up Perspective
Japanese Programmes in Terrestrial Carbon Observations and Research
U.S. Carbon Cycle Research and Observation
Using in situ Airborne Measurements to Infer Carbon fluxes at Regional and Continental Scales: COBRA (North America) and LARS (Brazil)
The Integrated Global Observing Strategy
Status of Observations and Networks: Surface Fluxes and Stocks
Global Observation of Forest Cover: Synopsis of the Project and its Proposed Products for Carbon Budget Modeling

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