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REGIONAL PASSENGER-CAR CO<sub>2</sub> EMISSION BASED ON POPULATION INTEGRATION DEGREE

  • CHEN He
    国立環境研究所社会環境システム研究センター
  • ARIGA Toshinori
    国立環境研究所社会環境システム研究センター
  • MATSUHASHI Keisuke
    国立環境研究所社会環境システム研究センター

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Other Title
  • メッシュ周辺人口集積度に基づいた乗用車CO<sub>2</sub>排出量の推計

Abstract

The CO2 emissions are effectively reduced by the intensive population distribution. Therefore, in the process of low carbonization, it is important to evaluate the CO2 emission of passenger vehicles by regional characteristics. In this study, method of the passenger vehicle CO2 emissions were studied by using 1km2 mesh population data. And the method considered the mesh population size, and the regional type classified by the surrounding population integration degree. The results show that: 1) According to the calculation of regional type, the characteristics of urban district can be grasped; 2) When the population increased from 5,000 to 10,000, the passenger vehicle CO2 emissions were reduced by 40 percent, shows that the effect of CO2 emissions in the DID area was significant; 3) In sparsely populated areas, when the population gathered 500 within the scope of mesh 5*5, the passenger vehicle CO2 emissions reduce about 60% per people.

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