Urbanization in Thailand is a similar pattern. Land use planning, zoning and
environmental safeguards are largely ineffective. Air quality and heat obviously affect
environmental problem due to urbanization and harm to human health, especially respiratory
disease. The lack of participatory planning process that citizens are limited ability to influence
what is happening on the ground. The lack of public access to inform decision-making process
is common across the country. Udon Thani municipality, Udon Thani province encountered this
mentioned problems. The development of the simple method to monitor the concentration of
Particulate Matter 2.5 μm (PM2.5) and urban heat in order to build social participation were
investigated and providde the scientific information for decision-makers and key stakeholders
of the community. The direct measurement was offered by using three devices as a mobile
traverse method, for measurement; 1) a mobile visible light scattering device to measure PM2.5
concentrations, 2) a digital thermometer and 3) GPS device to obtain spatial data. The
behaviors of air quality and urban heat island (UHI) was seasonally observed by day and night
times from April 2017 to January 2018 in hot, rainy and cold seasons with five time intervals
(16:00, 20:00, 00:00, 08:00 and 12:00) on a selected observation date of each season. The
results indicated the peak spots of PM2.5 concentrations and UHI around the study area
estimated to encounter the air pollution and urban heat occurrences in particular specific time
interval and seasons. Finally, The simple method and scientific information were provided as a
key stakeholders in the study area to monitor air quality and urban heat through workshop
training and Shared Learning Dialogues (SLDs). It was obviously found that the participation
of the key stakeholders were encouraged and their perception on social scientific information
was well responded.
Keywords
Urban heat island, air temperature and air quality monitoring, mobile traverse, land surface
INTERNATIONAL JOURNAL OF AGRICULTURAL TECHNOLOGY
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