Search Results - "Chi, Xuguang"
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Enhanced secondary pollution offset reduction of primary emissions during COVID-19 lockdown in China
Published in National science review (01-02-2021)“…Abstract To control the spread of the 2019 novel coronavirus (COVID-19), China imposed nationwide restrictions on the movement of its population (lockdown)…”
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Secondary organic aerosol formed by condensing anthropogenic vapours over China’s megacities
Published in Nature geoscience (01-04-2022)“…Secondary organic aerosol contributes a significant fraction to aerosol mass and toxicity. Low-volatility organic vapours are critical intermediates connecting…”
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3
Enhanced sulfate formation by nitrogen dioxide: Implications from in situ observations at the SORPES station
Published in Journal of geophysical research. Atmospheres (27-12-2015)“…Investigating sulfate formation processes is important not only for air pollution control but also for understanding the climate system. Although the…”
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4
Observed decade-long improvement of combustion efficiency in the Yangtze River Delta region in China
Published in Environmental research letters (01-07-2024)“…Abstract The ΔCO/ΔCO2 ratio is a good indicator of the combustion efficiency of carbon-containing fuels, and can be useful to assess the combustion efficiency…”
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Aerosol‐Cloud Interactions Near Cloud Base Deteriorating the Haze Pollution in East China
Published in Geophysical research letters (28-06-2024)“…Atmospheric aerosols not only cause severe haze pollution, but also affect climate through changes in cloud properties. However, during the haze pollution,…”
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NO at low concentration can enhance the formation of highly oxygenated biogenic molecules in the atmosphere
Published in Nature communications (08-06-2023)“…The interaction between nitrogen monoxide (NO) and organic peroxy radicals (RO 2 ) greatly impacts the formation of highly oxygenated organic molecules (HOM),…”
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Long-term observations of cloud condensation nuclei in the Amazon rain forest – Part 1: Aerosol size distribution, hygroscopicity, and new model parametrizations for CCN prediction
Published in Atmospheric chemistry and physics (20-12-2016)“…Size-resolved long-term measurements of atmospheric aerosol and cloud condensation nuclei (CCN) concentrations and hygroscopicity were conducted at the remote…”
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Unified theoretical framework for black carbon mixing state allows greater accuracy of climate effect estimation
Published in Nature communications (10-05-2023)“…Black carbon (BC) plays an important role in the climate system because of its strong warming effect, yet the magnitude of this effect is highly uncertain…”
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Black and brown carbon over central Amazonia: long-term aerosol measurements at the ATTO site
Published in Atmospheric chemistry and physics (06-09-2018)“…The Amazon rainforest is a sensitive ecosystem experiencing the combined pressures of progressing deforestation and climate change. Its atmospheric conditions…”
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Long-term measurements (2010–2014) of carbonaceous aerosol and carbon monoxide at the Zotino Tall Tower Observatory (ZOTTO) in central Siberia
Published in Atmospheric chemistry and physics (04-12-2017)“…We present long-term (5-year) measurements of particulate matter with an upper diameter limit of ∼ 10 µm (PM10), elemental carbon (EC), organic carbon (OC),…”
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Long-term observation of air pollution-weather/climate interactions at the SORPES station: a review and outlook
Published in Frontiers of environmental science & engineering (01-10-2016)“…This work presents an overall introduction to the Station for Observing Regional Processes of the EarthSystem - SORPES in Nanjing, East China, and gives an…”
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Sampling artefacts, concentration and chemical composition of fine water-soluble organic carbon and humic-like substances in a continental urban atmospheric environment
Published in Atmospheric environment (1994) (01-06-2007)“…Water-soluble organic carbon (WSOC) and atmospheric humic-like substances (HULIS) were investigated for urban PM2.5-fraction aerosol samples, which were…”
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Modeling investigation of light-absorbing aerosols in the Amazon Basin during the wet season
Published in Atmospheric chemistry and physics (28-11-2016)“…We use a global chemical transport model (GEOS-Chem) to interpret observed light-absorbing aerosols in Amazonia during the wet season. Observed aerosol…”
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Characterisation of PM10 atmospheric aerosols for the wet season 2005 at two sites in East Africa
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Observations of aerosol optical properties at a coastal site in Hong Kong, South China
Published in Atmospheric chemistry and physics (22-02-2017)“…Temporal variations in aerosol optical properties were investigated at a coastal station in Hong Kong based on the field observation from February 2012 to…”
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Chemical characterisation of marine aerosol at Amsterdam Island during the austral summer of 2006–2007
Published in Journal of aerosol science (2010)“…Atmospheric aerosols were collected in separate fine (<2.5 μm) and coarse (>2.5 μm) size fractions in the period December 2006–March 2007 at Amsterdam Island…”
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Comparison of different Aethalometer correction schemes and a reference multi-wavelength absorption technique for ambient aerosol data
Published in Atmospheric measurement techniques (09-08-2017)“…Deriving absorption coefficients from Aethalometer attenuation data requires different corrections to compensate for artifacts related to filter-loading…”
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Elemental and organic carbon in urban canyon and background environments in Budapest, Hungary
Published in Atmospheric environment (1994) (2004)“…As part of an international research project, aerosol samples were collected by several filter-based devices on Nuclepore polycarbonate membrane, Teflon…”
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Chemkar PM10: An extensive look at the local differences in chemical composition of PM10 in Flanders, Belgium
Published in Atmospheric environment (1994) (2011)“…The results of Chemkar PM10, the first large scale chemical characterisation project of PM10 in Flanders are presented. Between September 2006 and September…”
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Significant reduction of PM 2.5 in eastern China due to regional-scale emission control: evidence from SORPES in 2011–2018
Published in Atmospheric chemistry and physics (24-09-2019)“…Haze pollution caused by PM2.5 is the largest air quality concern in China in recent years. Long-term measurements of PM2.5 and the precursors and chemical…”
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