[HTML][HTML] Improving correlations between land use and air pollutant concentrations using wavelet analysis: Insights from a low-cost sensor network

N Zimmerman, HZ Li, A Ellis, A Hauryliuk… - Aerosol and Air Quality …, 2020 - aaqr.org
between land use and observed concentrations. As such, we suggest that when using
time-resolved air pollutant data to build LURs or other spatial models, a better approach would be …

Exploration of spatial and temporal characteristics of PM2. 5 concentration in Guangzhou, China using wavelet analysis and modified land use regression model

F Fan, R Liu - Geo-spatial Information Science, 2018 - Taylor & Francis
… Nansha have better air quality with the low PM2.5 concentration. On the … correlation, we find
that a weak relationship betweencorrelation with traffic, particularly in winter. The measured …

Predicting the ground-level pollutants concentrations and identifying the influencing factors using machine learning, wavelet transformation, and remote sensing …

Z Ebrahimi-Khusfi, R Taghizadeh-Mehrjardi… - Atmospheric Pollution …, 2021 - Elsevier
… hazards and to improve air quality and human living … areas, energy consumption trend, and
land cover maps were obtained … shuffled to break the relationship between the input data and …

Assessment of the variability of pollutants concentration over the metropolitan area of São Paulo, Brazil, using the wavelet transform

M Zeri, VSB Carvalho, G Cunha‐Zeri… - Atmospheric Science …, 2016 - Wiley Online Library
… Most of the air quality stations used in this study are … of concentrations, such as averages,
and also correlations … turbulent mixing, increasing concentrations of pollutants. A more detailed …

Comparison of air pollution in Shanghai and Lanzhou based on wavelet transform

Y Su, Y Sha, G Zhai, S Zong, J Jia - Environmental Science and Pollution …, 2019 - Springer
… Urban air pollution is of increasing global concern because of … complex, and the relationship
between indicators and results is … of abnormal air pollutant concentrations in the two cities. …

Modelling air pollution time-series by using wavelet functions and genetic algorithms

G Nunnari - Soft Computing, 2004 - Springer
… (t) usually starts with a correlation analysis to determine what … By typical daily concentrations
we mean the curve obtained … greater number does not significantly improve the results. The …

Ensemble and enhanced PM10 concentration forecast model based on stepwise regression and wavelet analysis

Y Chen, R Shi, S Shu, W Gao - Atmospheric Environment, 2013 - Elsevier
… model had a significant improvement in accuracy rate and the … regional air quality forecast
method for PM 10 concentration … The correlations between PM 10 and each meteorological …

Spatiotemporal characteristics of PM2. 5 concentration in the Yangtze River Delta urban agglomeration, China on the application of big data and wavelet analysis

J Wang, X Lu, Y Yan, L Zhou, W Ma - Science of The Total Environment, 2020 - Elsevier
Among air pollutants, the correlation between PM 2.5 and … correlation between PM 2.5 and
SO 2 /NO 2 improved with the … , the correlations between PM 2.5 and other air pollutants (CO, …

Investigation of the main PM2. 5 sources and diffusion patterns and corresponding meteorological conditions by the wavelet analysis approach

WJ Chi, YC Lin - Atmospheric Pollution Research, 2021 - Elsevier
Through the delay effect information of pollutant transference in space and the correlation of
the wavelet … the continuous increase in the PM 2.5 concentration. For secondary PM 2.5 , the …

Wavelets-based clustering of air quality monitoring sites

S Gouveia, MG Scotto, A Monteiro… - … monitoring and assessment, 2015 - Springer
… The purpose of this analysis is twofold: first, wavelet decomposition is applied to NO 2 and
… of the (concentration) daily profiles. In summary, these results allow to better understand the …