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Title: Satellite NO2 retrievals suggest China has exceeded its NOx reduction goals from the twelfth Five-Year Plan

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/Srep35912· OSTI ID:1416744
 [1];  [2];  [2]
  1. St. Louis Univ., MO (United States). Dept. of Earth and Atmospheric Sciences
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Energy System Division

China’s twelfth Five-Year Plan included pollution control measures with a goal of reducing national emissions of nitrogen oxides (NOx) by 10% by 2015 compared with 2010. Multiple linear regression analysis was used on 11-year time series of all nitrogen dioxide (NO2) pixels from the Ozone Monitoring Instrument (OMI) over 18 NO2 hotspots in China. The regression analysis accounted for variations in meteorology, pixel resolution, seasonal effects, weekday variability and year-to-year variability. The NO2 trends suggested that there was an increase in NO2 columns in most areas from 2005 to around 2011 which was followed by a strong decrease continuing through 2015. The satellite results were in good agreement with the annual official NOx emission inventories which were available up until 2014. We show the value of evaluating trends in emission inventories using satellite retrievals. It further shows that recent control strategies were effective in reducing emissions and that recent economic transformations in China may be having an effect on NO2 columns. The satellite information for 2015 suggests that emissions have continued to decrease since the latest inventories available and have surpassed the goals of the twelfth Five-Year Plan.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Fossil Energy (FE); National Aeronautics and Space Administration (NASA)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1416744
Journal Information:
Scientific Reports, Vol. 6, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 119 works
Citation information provided by
Web of Science

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Cited By (24)

Satellite UV-Vis spectroscopy: implications for air quality trends and their driving forces in China during 2005–2017 journal November 2019
Characterization of ozone in the lower troposphere during the 2016 G20 conference in Hangzhou journal December 2017
Change in household fuels dominates the decrease in PM 2.5 exposure and premature mortality in China in 2005–2015 journal November 2018
Long-term trends in the total columns of ozone and its precursor gases derived from satellite measurements during 2004–2015 over three different regions in South Asia: Indo-Gangetic Plain, Himalayas and Tibetan Plateau journal May 2018
Temporal Analysis of OMI-Observed Tropospheric NO2 Columns over East Asia during 2006–2015 journal October 2019
Evaluation of China’s Environmental Pressures Based on Satellite NO2 Observation and the Extended STIRPAT Model journal April 2019
Pollution Trends in China from 2000 to 2017: A Multi-Sensor View from Space journal January 2020
Characteristics and Trends of Ambient Ozone and Nitrogen Oxides at Urban, Suburban, and Rural Sites from 2011 to 2017 in Shenzhen, China journal December 2018
Intercomparison of NOx emission inventories over East Asia journal January 2017
A high-resolution and observationally constrained OMI NO 2 satellite retrieval journal January 2017
Chemical composition of ambient PM 2. 5 over China and relationship to precursor emissions during 2005–2012 journal January 2017
Multi-year monitoring of atmospheric total gaseous mercury at a remote high-altitude site (Nam Co, 4730 m a.s.l.) in the inland Tibetan Plateau region journal January 2018
Changes in the aerosol direct radiative forcing from 2001 to 2015: observational constraints and regional mechanisms journal January 2018
Trends in China's anthropogenic emissions since 2010 as the consequence of clean air actions journal January 2018
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Fine particulate matter (PM 2.5 ) trends in China, 2013–2018: separating contributions from anthropogenic emissions and meteorology journal January 2019
A top-down assessment using OMI NO 2 suggests an underestimate in the NO x emissions inventory in Seoul, South Korea, during KORUS-AQ journal January 2019
Trends and trend reversal detection in 2 decades of tropospheric NO2 satellite observations journal January 2019
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Intercomparison of NOx emission inventories over East Asia journal April 2017
Long-term trends in the total columns of ozone and its precursor gases derived from satellite measurements during 2004–2015 over three different regions in South Asia: Indo-Gangetic Plain, Himalayas and Tibetan Plateau text January 2018

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