Assessment of Emission Reduction and Meteorological Change in PM 2.5 and Transport Flux in Typical Cities Cluster during 2013–2017

Panbo Guan, Hanyu Zhang, Zhida Zhang, Haoyuan Chen, Weichao Bai, Shiyin Yao and Yang Li
Additional contact information
Panbo Guan: Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, China
Hanyu Zhang: School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China
Zhida Zhang: Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, China
Haoyuan Chen: Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, China
Weichao Bai: Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, China
Shiyin Yao: Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, China
Yang Li: China Huadian Engineering Co., Ltd., Beijing 100160, China

Sustainability, 2021, vol. 13, issue 10, 1-23

Abstract: Under the Air Pollution Prevention and Control Action Plan (APPCAP) implemented, China has witnessed an air quality change during the past five years, yet the main influence factors remain relatively unexplored. Taking the Beijing-Tianjin-Hebei (BTH) and Yangtze River Delta (YRD) regions as typical cluster cities, the Weather Research Forecasting (WRF) and Comprehensive Air Quality Model with Extension (CAMx) were introduced to demonstrate the meteorological and emission contribution and PM 2.5 flux distribution. The results showed that the PM 2.5 concentration in BTH and YRD significantly declined with a descend ratio of −39.6% and −28.1%, respectively. For the meteorological contribution, those regions had a similar tendency with unfavorable conditions in 2013–2015 (contribution concentration 1.6–3.8 μg/m 3 and 1.1–3.6 μg/m 3 ) and favorable in 2016 (contribution concentration −1.5 μg/m 3 and −0.2 μg/m 3 ). Further, the absolute value of the net flux’s intensity was positively correlated with the degree of the favorable/unfavorable weather conditions. When it came to emission intensity, the total net inflow flux increased, and the outflow flux decreased significantly across the border with the emission increasing. In short: the aforementioned results confirmed the effectiveness of the regional joint emission control and provided scientific support for the proposed effective joint control measures.

Keywords: WRF-CAMx; transport flux; meteorological changes; anthropogenic discharge (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
https://www.mdpi.com/2071-1050/13/10/5685/pdf (application/pdf)
https://www.mdpi.com/2071-1050/13/10/5685/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:13:y:2021:i:10:p:5685-:d:557540

Access Statistics for this article

Sustainability is currently edited by Ms. Alexandra Wu

More articles in Sustainability from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().