The Beijing-Tianjin-Hebei area faces a severe fine particulate matter (PM2.5) problem. To date, considerable progress has been made toward understanding … More
This page shows a list of Dr Liu's works. Each work is presented with brief details, including problems addressed, methodologies used, results and conclusions, significance, and its impact. Presentations, posters, tools for public use and links for futher references (if any) can be found here.
Fine particulate matter (PM2.5) pollution has been a major issue in many countries. Considerable studies have demonstrated that PM2.5 pollution … More
Extremely high fine particulate matter (PM2.5) concentration has become synonymous to Beijing, the capital of China, posing critical challenges to … More
Particulate matter data obtained from the national air quality monitoring network in China has become an essential and critical data source … More
This study aims to map ethnic migration activities associated with a significant change in the mix of ethnicities for a … More
Ethnic disparity in economic well-being in China is drawing more and more attention from researchers. Past efforts for estimating ethnic disparities … More
The recent explosive publications of big data studies have well documented the rise of big data and its ongoing prevalence. … More