Satellite NO2 retrievals suggest China has exceeded its NOx reduction goals from the twelfth Five-Year Plan.
作者： Benjamin de Foy , Zifeng Lu , David G. Streets
DOI: 10.1038/SREP35912
关键词: Pollution 、 Regression analysis 、 Ozone Monitoring Instrument 、 Five year plan 、 NOx 、 Satellite 、 Climatology 、 Environmental science 、 China 、 Nitrogen dioxide
摘要: China’s twelfth Five-Year Plan included pollution control measures with a goal of reducing national emissions nitrogen oxides (NOx) by 10% 2015 compared 2010. Multiple linear regression analysis was used on 11-year time series all dioxide (NO2) pixels from the Ozone Monitoring Instrument (OMI) over 18 NO2 hotspots in China. The accounted for variations meteorology, pixel resolution, seasonal effects, weekday variability and year-to-year variability. trends suggested that there an increase columns most areas 2005 to around 2011 which followed strong decrease continuing through 2015. satellite results were good agreement annual official NOx emission inventories available up until 2014. This shows value evaluating using retrievals. It further recent strategies effective economic transformations China may be having effect columns. Satellite information suggests have continued since latest surpassed goals Plan.
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