期刊
REMOTE SENSING
卷 9, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/rs9070744
关键词
combustion; megacities; biomass burning; NO2; CO2; CO; greenhouse gases
类别
资金
- NASA ACMAP [NNX13AK24G]
- NASA [NNX13AK24G, 471695] Funding Source: Federal RePORTER
We present joint analyses of satellite-observed combustion products to examine bulk characteristics of combustion in megacities and fire regions. We use retrievals of CO, NO2 and CO2 from NASA/Terra Measurement of Pollution In The Troposphere, NASA/Aura Ozone Monitoring Instrument, and JAXA Greenhouse Gases Observing Satellite to estimate atmospheric enhancements of these co-emitted species based on their spatiotemporal variability (spread, sigma) within 14 regions dominated by combustion emissions. We find that patterns in sigma(XCO)/sigma(XCO2) and sigma(XCO)/sigma(XNO2) are able to distinguish between combustion types across the globe. These patterns show distinct groupings for biomass burning and the developing/developed status of a region that are not well represented in global emissions inventories. We show here that such multi-species analyses can provide constraints on emission inventories, and be useful in monitoring trends and understanding regional-scale combustion.
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