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Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites
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Tracking Inter-Regional Carbon Flows: A Hybrid Network Model.

Shaoqing Chen1, Bin Chen1

  • 1State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University , Beijing 100875, China.

Environmental Science & Technology
|April 12, 2016
PubMed
Summary
This summary is machine-generated.

Effective carbon emission mitigation requires tracking inter-regional transfers. A new hybrid model quantifies controlled emissions, revealing regions can only manage about 70% of embodied carbon, aiding coordinated climate action.

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Area of Science:

  • Environmental Science
  • Climate Change
  • Network Analysis

Background:

  • Anthropogenic carbon emissions transcend local boundaries, necessitating regional and global assessment.
  • Understanding inter-regional emission transfers is crucial for effective climate change mitigation strategies.

Purpose of the Study:

  • To develop and apply a hybrid network model for tracking inter-regional carbon flows.
  • To quantify direct, embodied, and controlled emissions to assess carbon flow dynamics.
  • To introduce a novel 'controlled emissions' metric for evaluating regional mitigation potential.

Main Methods:

  • Combined network analysis and input-output analysis to create a hybrid model.
  • Quantified direct, embodied, and controlled emissions for different regions.
  • Applied the model to the Jing-Jin-Ji Area for a case study analysis.

Main Results:

  • Regions only partially control their embodied carbon emissions, with controlled carbon representing approximately 70% of total embodied flows.
  • Household consumption's control over emissions varies significantly by region (e.g., ~25% for Beijing).
  • The model identified dominant sectors and processes involved in inter-regional emissions transfer.

Conclusions:

  • The hybrid model effectively quantifies inter-regional carbon flows and regional control over emissions.
  • Findings highlight the limitations of regional consumption in controlling embodied emissions.
  • The approach offers a promising technique for identifying efficient pathways for coordinated emissions control across interconnected regions.