Power-law behaviors of the severity levels of unhealthy air pollution events

Masseran, Nurulkamal

doi:10.1007/s11069-022-05247-5

Cited by 8 publications

(2 citation statements)

References 48 publications

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“…In general, a high API indicates poor air quality [51]. Details regarding the calculation of API data can be referred to in Masseran and Safari [52] and Masseran [53]. This study investigates the data of an air pollutant index (API) series in Klang for the period of 1 January 2002 to 31 August 2020.…”

Section: Study Area and Datamentioning

confidence: 99%

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Multifractal Characteristics on Temporal Maximum of Air Pollution Series

Masseran

2022

Mathematics

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Presenting and describing a temporal series of air pollution data with longer time lengths provides more concise information and is, in fact, one of the simplest techniques of data reduction in a time series. However, this process can result in the loss of important information related to data features. Thus, the purpose of this study is to determine the type of data characteristics that might be lost when describing data with different time lengths corresponding to a process of data reduction. In parallel, this study proposes the application of a multifractal technique to investigate the properties on an air pollution series with different time lengths. A case study has been carried out using an air pollution index data in Klang, Malaysia. Results show that hourly air pollution series contain the most informative knowledge regarding the behaviors and characteristics of air pollution, particularly in terms of the strength of multifractality, long-term persistent correlations, and heterogeneity of variations. On the other hand, the statistical findings found that data reduction corresponding to a longer time length will change the multifractal properties of the original data.

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Section: Study Area and Datamentioning

confidence: 99%

“…In general, a high API indicates poor air quality [51]. Details regarding the calculation of API data can be referred to in Masseran and Safari [52] and Masseran [53].…”

Section: Study Area and Datamentioning

confidence: 99%