Atmospheric Environment Monitoring in Thailand via Satellite Remote Sensing: A Case Study of Carbon Dioxide
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Department of Physics, Faculty of Science, Mahasarakham University, Maha Sarakham, 44150, Thailand
Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham, 44150, Thailand
Submission date: 2023-02-06
Final revision date: 2023-04-16
Acceptance date: 2023-05-15
Online publication date: 2023-06-27
Publication date: 2023-07-21
Corresponding author
Teerawong Laosuwan   

Department of Physics, Faculty of Science, Mahasarakham University, Khamriang Sub-District, 44150, Kantarawichai District, Thailand
Pol. J. Environ. Stud. 2023;32(4):3645-3651
Satellite remote sensing is increasingly applied in the field of environmental protection, especially in atmospheric monitoring. The objective of this study is to monitor Thailand’s atmospheric environment by Satellite remote sensing: Carbon Dioxide (CO2) case study over a 5-year period from 2017 to 2021. Data from Greenhouse gases Observing Satellite (GOSAT) was used to analyze atmospheric CO2 concentration using Map Algebra and Interpolation. The results were then analyzed together with relevant environmental factors, including altitude, temperature, rainfall and season. The results showed that (1) CO2 concentration was highest in 2021 with the annual average of 409.903 ppm and lowest in 2017 with the annual average of 401.109 ppm, (2) Analysis based on the height above sea level showed that the lowest CO2 in 2017 was 403.480 ppm, the highest in 2021 was 412.896 ppm, (3) Analysis together with relevant environmental factors such as altitude, temperature, rainfall and season revealed that Thailand’s monthly average CO2 concentration fluctuates over a year depending on the season. It was found that during winter and summer, CO2 concentrations fluctuated with temperature values. In addition, during the rainy season, atmospheric CO2 decreases due to increased plant photosynthetic rates; as a result, CO2 in the atmosphere is consumed and converted into carbon dioxide in the form of wood.
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