網頁Chemical Characteristics of PM2.5 during 2015 Spring Festival in Beijing, China Yangyang Zhang 1 , Jiaming Wei 1 , Aohan Tang 1* , Aihua Zheng 2 , Zexi Shao 1 , Xuejun Liu 1 1 Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and 網頁2016年10月11日 · Haze pollution has become a severe environmental problem in the daily life of the people in China. PM2.5 makes a significant contribution to poor air quality. The …
Sustainability Free Full-Text Influence of Road Patterns on …
網頁2024年2月1日 · Reliable measures of nighttime atmospheric fine particulate matter (PM2.5) concentrations are essential for monitoring their continuous diurnal variation. Here, we proposed a night PM2.5 concentration estimation (NightPMES) model based on the random forest model. This model integrates the radiance of the Visible Infrared Imaging … 網頁ABSTRACT Air quality forecasting is crucial to reducing air pollution in China, which has detrimental effects on human health. Atmospheric chemical-transport models can provide air pollutant forecasts with high temporal and spatial resolution and are widely used for routine air quality predictions (e.g., 1–3 days in advance). However, the model’s performance is … eftps how to update bank information
Concentration and chemical characteristics of PM2.5 in …
網頁Seasonal variation of PM 2.5 concentrations was significant, with the highest concentration in the winter and the lowest in the summer. Spring dust storms had a strong impact on … 網頁2024年4月11日 · Advances in technology and increased emissions from vehicles, industries, and waste management are identified as major causes of air pollution, especially fine particulate matter or PM2.5. 網頁Introduction Atmospheric fine particulate matter (PM2.5) has been proven to be the main air pollutant. It has a complex composition and is significantly harmful to the human body. 1 Studies at home and abroad have confirmed that both short-term sharp exposure and long-term chronic exposure to atmospheric PM2.5 can shorten lifespan and increase the … eftps how to use