English
Related papers

Related papers: Spring Festival points the way to cleaner air in C…

200 papers

Light pollution is a form of environmental degradation in which excessive artificial outdoor lighting, such as street lamps, neon signs, and illuminated signboards, affects the natural environment and the ecosystem. Poorly designed outdoor…

Instrumentation and Methods for Astrophysics · Physics 2014-03-24 Chun Shing Jason Pun , Chu Wing So , Wai Yan Leung , Chung Fai Wong

Reducing air pollution, such as CO2 and PM2.5 emissions, is one of the most important issues for many countries worldwide. Selecting an environmentally friendly transport mode can be an effective approach of individuals to reduce air…

Machine Learning · Computer Science 2021-09-15 Keiichi Ochiai , Tsukasa Demizu , Shin Ishiguro , Shohei Maruyama , Akihiro Kawana

The first goal of this study is to quantify the magnitude and spatial variability of air quality changes in the US during the COVID-19 pandemic. We focus on two federally regulated pollutants, nitrogen dioxide (NO2), and fine particulate…

Atmospheric and Oceanic Physics · Physics 2020-06-30 Cristina L. Archer , Guido Cervone , Maryam Golbazi , Nicolas Al Fahel , Carolynne Hultquist

Energy security is the guarantee for achieving the goal of carbon peaking and carbon neutrality, and exploring energy resilience is one of the important ways to promote energy security transition and adapt to changes in international and…

General Economics · Economics 2023-11-21 Tie Wei , Youqi Chen , Zhicheng Duan

With the increase of global economic activities and high energy demand, many countries have raised concerns about air pollution. However, air quality prediction is a challenging issue due to the complex interaction of many factors. In this…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Tien-Cuong Bui , Joonyoung Kim , Taewoo Kang , Donghyeon Lee , Junyoung Choi , Insoon Yang , Kyomin Jung , Sang Kyun Cha

COVID-19 is a new type of coronavirus disease which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It originated in China in the month of December 2019 and quickly started to spread within the country. On 31st…

Populations and Evolution · Quantitative Biology 2020-03-26 Soumyabrata Bhattacharjee

Satellite aerosol products have been widely used to retrieve ground PM2.5 concentration because of its wide coverage and continuously spatial distribution. While more and more studies focus on the retrieval algorithm, we find that the…

Geophysics · Physics 2018-08-20 Qianqian Yang , Qiangqiang Yuan , Linwei Yue , Tongwen Li , Huanfeng Shen , Liangpei Zhang

Understanding public demand for urban ecosystem services (ES) is crucial for effective green space management, yet the intricate relationships and potential trade-offs among these diverse demands remain poorly understood. Previous studies…

The karst area in Yunnan-Guangxi-Guizhou region in southwest China is known for widespread rocky desertification but several studies report a greening trend since the year 2000. While the start of the greening trend seems to match with the…

Applied Physics · Physics 2022-02-21 Xuemei Zhang , Yuemin Yue , Xiaowei Tong , Kelin Wang , Xiangkun Qi , Chuxiong Deng , Martin Brandt

Mobile and ubiquitous sensing of urban air quality has received increased attention as an economically and operationally viable means to survey atmospheric environment with high spatial-temporal resolution. This paper proposes a machine…

Machine Learning · Computer Science 2020-03-03 Jun Song , Ke Han

We propose TopoFlow (Topography-aware pollutant Flow learning), a physics-guided neural network for efficient, high-resolution air quality prediction. To explicitly embed physical processes into the learning framework, we identify two…

Machine Learning · Computer Science 2026-04-13 Ammar Kheder , Helmi Toropainen , Wenqing Peng , Samuel Antão , Jia Chen , Michael Boy , Zhi-Song Liu

Open burning of plastic waste may pose a significant threat to global health by degrading air quality, but quantitative research on this problem -- crucial for policy making -- has been stunted by lack of data. Many low- and middle-income…

Applications · Statistics 2026-05-22 Ellen M. Considine , Rachel C. Nethery

Environmental pollution, comprising of air, water and soil have emerged as a serious problem in past two decades. The air pollution is caused by contamination of air due to various natural and anthropogenic activities. The growing air…

Atmospheric and Oceanic Physics · Physics 2017-05-05 Sandeep Sharma , Nitu Kumari

Tropospheric nitrogen dioxide (NO$_2$) concentrations are strongly affected by anthropogenic activities. Using space-based measurements of tropospheric NO$_2$, here we investigate the responses of tropospheric NO$_2$ to the 2019 novel…

Atmospheric and Oceanic Physics · Physics 2020-06-24 Jiaqi Chen , Zhe Jiang , Kazuyuki Miyazaki , Rui Zhu , Xiaokang Chen , Chenggong Liao , Dylan B. A. Jones , Kevin Bowman , Takashi Sekiya

Air pollution is a major driver of climate change. Anthropogenic emissions from the burning of fossil fuels for transportation and power generation emit large amounts of problematic air pollutants, including Greenhouse Gases (GHGs). Despite…

Machine Learning · Computer Science 2021-09-01 Linus Scheibenreif , Michael Mommert , Damian Borth

This study investigates air pollution in central Taiwan, focusing on key pollutants, including SO$_2$, NO$_2$, PM$_{10}$, and PM$_{2.5}$. We use non-negative matrix factorization (NMF) to reduce data dimensionality, followed by wind…

Numerical Analysis · Mathematics 2024-11-21 Shu-Chuan Chen , Jui-Fang Chang , Yintzer Shih

Daily variation in human mobility modulates the speed and severity of emerging outbreaks, yet most epidemiological studies assume static contact patterns. With a highly mobile population exceeding 24 million people, Shanghai, China is a…

Social and Information Networks · Computer Science 2018-09-17 Zhanwei Du , Spencer J Fox , Petter Holme , Jiming Liu , Alison P. Galvani , Lauren Ancel Meyers

Beijing is a megacity with a population of over 20 million. It has a massive demand for water and electricity and is responsible for achieving carbon neutrality. However, Beijing is in a highly arid region, and its local electricity…

Physics and Society · Physics 2023-08-21 Xiao Zhang

Air pollution is among the highest contributors to mortality worldwide, especially in urban areas. During spring 2020, many countries enacted social distancing measures in order to slow down the ongoing COVID-19 pandemic. A particularly…

Physics and Society · Physics 2022-08-05 Aswin Giri , Benjamin Schäfer , Rulan Verma , Hankun He , S. M. Shiva Nagendra , Mukesh Khare , Christian Beck

In September 2020, President Xi Jinping announced that China strives to achieve carbon neutrality before 2060. This ambitious and bold commitment was well received by the global community. However, the technology and pathway are not so…

Atmospheric and Oceanic Physics · Physics 2023-12-19 Pengfei Han , Ning Zeng , Wen Zhang , Qixiang Cai , Ruqi Yang , Bo Yao , Xiaohui Lin , Guocheng Wang , Di Liu , Yongqiang Yu