SLCP co-control approach in East Asia

Tropospheric ozone reduction strategy by simultaneous reduction of NOx/NMVOC and methane

Hajime Akimoto, Jun'ichi Kurokawa, Kengo Sudo, Tatsuya Nagashima, Toshihiko Takemura, Zbigniew Klimont, Markus Amann, Katsunori Suzuki

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    The emissions of NOx and CO2 in East Asia (Northeast and Southeast Asia) contribute more than 30% of the global total since 2008, and consequently the control of air pollutants and CO2 alleviating regional air pollution and global climate change is of great concern of not only in this region but also worldwide. In order to arrive at a rational view of the short-lived climate pollutants (SLCPs) co-control approach in East Asia, the effectiveness of the reduction of NOx/NMVOC and CH4 emissions for the reduction of tropospheric O3 has been evaluated by individual and simultaneous 50%-reduction of the emissions in Northeast Asia (NEA) using both a global chemical climate model (CHASER/SPRINTARS-MIROC), and a regional chemical transport model (WRF-CMAQ). The simultaneous reduction of NOx/NMVOC and CH4 emissions was found to reduce the regional concentration of surface O3 in NEA, and globally averaged net radiative forcing most effectively.Global mean RF and regional air quality change were also evaluated for the climate stabilization scenario ("450-ppm"), and climate stabilization with additional air pollution mitigation strengthened scenario ("450-ppm-cntr") developed in IIASA with the aid of GAINS model. In the 450 ppm-cntr scenario, emissions of NOx NMVOC, BC and OC were further reduced respectively, for East Asia from the emissions in 450 ppm. The improvement of air quality as well as the mitigation of climate change would grant to the basis of the SLCP co-control approach in East Asia.

    Original languageEnglish
    Pages (from-to)588-595
    Number of pages8
    JournalAtmospheric Environment
    Volume122
    DOIs
    Publication statusPublished - Dec 1 2015

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    methane
    pollutant
    climate
    air quality
    stabilization
    mitigation
    atmospheric pollution
    climate change
    radiative forcing
    Asia
    tropospheric ozone
    global climate
    climate modeling
    chemical

    All Science Journal Classification (ASJC) codes

    • Environmental Science(all)
    • Atmospheric Science

    Cite this

    SLCP co-control approach in East Asia : Tropospheric ozone reduction strategy by simultaneous reduction of NOx/NMVOC and methane. / Akimoto, Hajime; Kurokawa, Jun'ichi; Sudo, Kengo; Nagashima, Tatsuya; Takemura, Toshihiko; Klimont, Zbigniew; Amann, Markus; Suzuki, Katsunori.

    In: Atmospheric Environment, Vol. 122, 01.12.2015, p. 588-595.

    Research output: Contribution to journalArticle

    Akimoto, Hajime ; Kurokawa, Jun'ichi ; Sudo, Kengo ; Nagashima, Tatsuya ; Takemura, Toshihiko ; Klimont, Zbigniew ; Amann, Markus ; Suzuki, Katsunori. / SLCP co-control approach in East Asia : Tropospheric ozone reduction strategy by simultaneous reduction of NOx/NMVOC and methane. In: Atmospheric Environment. 2015 ; Vol. 122. pp. 588-595.
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    AU - Takemura, Toshihiko

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