Changes in the Direct Climate Effect of Black Carbon Aerosols in East Asia Under the “Dual Carbon” Goal of China DOI
Peng Gao, Yiman Gao,

Yinan Zhou

et al.

Journal of Geophysical Research Atmospheres, Journal Year: 2024, Volume and Issue: 129(14)

Published: July 23, 2024

Abstract In the context of China's “dual carbon” goal, emissions air pollutants are expected to significantly decrease in future. Thus, direct climate effects black carbon (BC) aerosols East Asia investigated under this goal using an updated regional and chemistry model. The simulated annual average BC concentration over is approximately 1.29 μg/m 3 last decade. Compared those 2010–2020, both column burden instantaneous radiative forcing by more than 55% 80%, respectively, peak year (2030s) neutrality (2060s). Conversely, effective (ERF) responses exhibit substantial nonlinearity emission reduction, possibly resulting from different adjustments thermal‐dynamic fields clouds BC‐radiation interactions. mean ERF at tropopause +1.11 W/m 2 2010–2020 while negative 2060s. interactions present‐day impose a significant cooling −0.2 −0.5 K central China but warming +0.3 Tibetan Plateau. As decline, surface temperature show mixed picture compared with eastern Tibet −0.3 2030s, Indian might play important role Asian reduction China.

Language: Английский

Characterization of the aerosol chemical composition during the COVID-19 lockdown period in Suzhou in the Yangtze River Delta, China DOI Open Access

Honglei Wang,

Qing Miao, Lijuan Shen

et al.

Journal of Environmental Sciences, Journal Year: 2020, Volume and Issue: 102, P. 110 - 122

Published: Sept. 22, 2020

Language: Английский

Citations

44
Impact of urbanization on air quality in the Yangtze River Delta during the COVID-19 lockdown in China DOI
Lijuan Shen,

Honglei Wang,

Bin Zhu

et al.

Journal of Cleaner Production, Journal Year: 2021, Volume and Issue: 296, P. 126561 - 126561

Published: Feb. 28, 2021

Language: Английский

Citations

36
Roles of Atmospheric Aerosols in Extreme Meteorological Events: a Systematic Review DOI
Zilin Wang, Lian Xue, Jingyi Liu

et al.

Current Pollution Reports, Journal Year: 2022, Volume and Issue: 8(2), P. 177 - 188

Published: March 11, 2022

Language: Английский

Citations

24
Impact of wildfire on particulate matter in the southeastern United States in November 2016 DOI

Shuhui Guan,

David C. Wong, Yang Gao

et al.

The Science of The Total Environment, Journal Year: 2020, Volume and Issue: 724, P. 138354 - 138354

Published: April 1, 2020

Language: Английский

Citations

38
Optimization of vertical grid setting for air quality modelling in China considering the effect of aerosol-boundary layer interaction DOI Creative Commons
Zilin Wang, Xin Huang, Aijun Ding

et al.

Atmospheric Environment, Journal Year: 2019, Volume and Issue: 210, P. 1 - 13

Published: April 22, 2019

Language: Английский

Citations

34
Simulated coordinated impacts of the previous autumn North Atlantic Oscillation (NAO) and winter El Niño on winter aerosol concentrations over eastern China DOI Creative Commons
Juan Feng, Jianping Li, Hong Liao

et al.

Atmospheric chemistry and physics, Journal Year: 2019, Volume and Issue: 19(16), P. 10787 - 10800

Published: Aug. 27, 2019

Abstract. The high aerosol concentration (AC) over eastern China has attracted attention from both science and society. Based on the simulations of a chemical transport model using fixed emissions level, possible impact previous autumn North Atlantic Oscillation (NAO) combined with simultaneous El Niño–Southern (ENSO) boreal winter AC is investigated. We find that NAO only manifests its negative impacts during phase central China, significant positive influence distribution observed south warm events ENSO. occurs via an anomalous sea surface temperature tripole pattern by which teleconnection wave train induced results in convergence China. In contrast, occurrence ENSO may induce shift western Pacific subtropical result southwesterlies circulations associated Niño are not favorable for correspond to worsening air conditions highlight fact effects tropical extratropical systems play considerable role affecting

Language: Английский

Citations

31
Atmospheric teleconnection processes linking winter air stagnation and haze extremes in China with regional Arctic sea ice decline DOI Creative Commons
Yufei Zou, Yuhang Wang, Zuowei Xie

et al.

Atmospheric chemistry and physics, Journal Year: 2020, Volume and Issue: 20(8), P. 4999 - 5017

Published: April 28, 2020

Abstract. Recent studies suggested significant impacts of boreal cryosphere changes on wintertime air stagnation and haze pollution extremes in China. However, the underlying mechanisms such a teleconnection relationship remains unclear. Here we use Whole Atmosphere Community Climate Model (WACCM) to investigate dynamic processes leading atmospheric circulation responses Arctic sea ice changes. We conduct four climate sensitivity experiments by perturbing concentrations (SIC) corresponding surface temperature (SST) autumn early winter over whole three subregions model. The results indicate distinct patterns regional ventilation region-specific changes, with largest increase both probability (by 132 %) intensity 30 monthly being found experiment driven SIC SST Pacific sector (the East Siberian Chukchi seas). increased are mainly an amplified planetary-scale pattern that resembles negative phase Eurasian (EU) pattern. Dynamical diagnostics suggest convergence transient eddy forcing vicinity Scandinavia is largely responsible for amplification Transient vorticity fluxes dominate produce barotropic anticyclonic anomaly near wave train propagation across Eurasia downstream regions Asia. piecewise potential inversion analysis reveals this long-range origin takes place primarily via middle upper troposphere. anomalous ridge Asia troposphere worsens conditions weakening monsoon northwesterlies enhancing inversions surface, more stronger eastern China winter. Ensemble projections based state-of-the-art models Coupled Intercomparison Project Phase 6 (CMIP6) corroborate between high-latitude environmental midlatitude weather extremes, though tendency magnitude vary considerably among each participating

Language: Английский

Citations

31
Changes in the Climate Effects of Major Anthropogenic Aerosols in East Asia Under Different Emission Reduction Scenarios in China DOI Creative Commons
Yiman Gao, Peng Gao, Bingliang Zhuang

et al.

Journal of Geophysical Research Atmospheres, Journal Year: 2025, Volume and Issue: 130(2)

Published: Jan. 18, 2025

Abstract Pollutant emissions in China have significantly decreased over the past decade and are expected to continue declining future. Aerosols, as important pollutants short‐lived climate forcing agents, significant but currently unclear impacts East Asia their concentrations decrease until mid‐century. Here, we employ a well‐developed regional model RegCM4 combined with future pollutant emission inventories, which more representative of investigate changes effects major anthropogenic aerosols under six different reduction scenarios (1.5°C goals, Neutral‐goals, 2°C ‐goals, NDC‐goals, Current‐goals, Baseline). By 2060s, aerosol surface these projected by 89%, 87%, 84%, 73%, 65%, 21%, respectively, compared those 2010–2020. Aerosol effect associated its loadings not linear manner. The average effective radiative at induced aerosol‐radiation‐cloud interactions will diminish 24% ± 13% 2030s 35% 2060s. These alternations caused reductions lead increases near‐surface temperatures precipitations. Specifically, aerosol‐induced temperature precipitation responses estimated change −78% −20% −69% 77%, goals 2060s Therefore, resulting from substantial need be fully considered pathway toward carbon neutrality.

Language: Английский

Citations

0
Impacts of black carbon on the formation of advection–radiation fog during a haze pollution episode in eastern China DOI Creative Commons

Qiuji Ding,

Jianning Sun, Xin Huang

et al.

Atmospheric chemistry and physics, Journal Year: 2019, Volume and Issue: 19(11), P. 7759 - 7774

Published: June 12, 2019

Abstract. Aerosols can not only participate in fog formation by acting as condensation nuclei of droplets but also modify the meteorological conditions such air temperature and moisture, planetary boundary layer height (PBLH) regional circulation during haze events. The impact aerosols on formation, yet to be revealed, critical understanding predicting fog–haze In this study, we used Weather Research Forecasting model coupled with Chemistry (WRF-Chem) investigate a heavy event multiday intense pollution episode early December 2013 Yangtze River Delta (YRD) region eastern China. Using WRF-Chem model, conducted four parallel numerical experiments evaluate roles aerosol–radiation interaction (ARI), aerosol–cloud (ACI), black carbon (BC) non-BC maintenance event. We find that when aerosols' feedback processes are considered capture well. And effects ARI played dominant role, while ACI were negligible. Furthermore, our analyses show BC was more important inducing YRD 7 than aerosols. dome effect leads an increase moisture over sea reducing PBLH weakening vertical mixing, thereby confining water vapor near-surface layer. strengthened daytime onshore flow cyclonic wind anomaly, induced contrast perturbation land sea, transported moister region, where suppressed weakened mixing maintained high level. Then formed due surface cooling at night. This study highlights importance anthropogenic emissions advection–radiation polluted coastal areas.

Language: Английский

Citations

29
Multi‐Index Attribution of Extreme Winter Air Quality in Beijing, China DOI Creative Commons
Christopher W. Callahan, Jordan Schnell, Daniel E. Horton

et al.

Journal of Geophysical Research Atmospheres, Journal Year: 2019, Volume and Issue: 124(8), P. 4567 - 4583

Published: April 9, 2019

Abstract High‐impact poor air quality events, such as Beijing's so‐called “Airpocalypse” in January 2013, demonstrate that short‐lived events can have significant effects on health and economic vitality. Poor result from the combination of emission pollutants meteorological conditions favorable to their accumulation, which include limited scavenging, dispersion, ventilation. The unprecedented nature 2013 Airpocalypse, conjunction with our nonstationary climate, motivate an assessment whether climate change has altered conducive winter Beijing. Using three indices designed quantify support drawing attribution methods Diffenbaugh et al. (2017, https://doi.org/10.1073/pnas.1618082114 ), we assess ( i ) contribution observed trends magnitude ii probability iii return interval observational record, preindustrial model‐simulated historical iv trend climates, v relative influences anthropogenic forcing natural variability trend. We find influence had a small effect event all but increased long‐term positive two out indices. This work provides framework for both further understanding role expanding scope attribution.

Language: Английский

Citations

27