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Air pollution monitoring and GIS modeling: A new use of nanotechnology based solid state gas sensors
School of Advanced Technologies, Asian Institute of Technology, Thailand.ORCID iD: 0000-0002-0074-3504
2005 (English)In: Science and Technology of Advanced Materials, ISSN 1468-6996, E-ISSN 1878-5514, Vol. 6, no 3-4 SPEC. ISS., 251-255 p.Article in journal (Refereed) Published
Abstract [en]

Air pollution is a serious problem in thickly populated and industrialized areas in Thailand, especially in Bangkok. The air pollution in Bangkok is abundant, especially in areas where pollution sources and the human population are concentrated. Economic growth and industrialization are proceeding at a rapid pace, accompanied by increasing emissions of air polluting sources. Furthermore, though the variety and quantities of polluting sources have increased dramatically, the development of a suitable method for monitoring the pollution causing sources has not followed at the same pace. Environmental impacts of air pollutants have impact on public health, vegetation, material deterioration etc. To prevent or minimize the damage caused by atmospheric pollution, suitable monitoring systems are urgently needed that can rapidly and reliably detect and quantify polluting sources for monitoring by regulating authorities in order to prevent further deterioration of the current pollution levels. Consequently, it is important that the current real-time air quality monitoring system, controlled by the Pollution Control Department (PCD), should be adapted or extended to aid in alleviating this problem. Nanotechnology has been applied to several industrial and domestic fields, for example, applications for gas monitoring systems, gas leak detectors in factories, fire and toxic gas detectors, ventilation control, breath alcohol detectors, and the like. Here we report an application example of studying air quality monitoring based on nanotechnology 'solid state gas sensors'. So as to carry out air pollution monitoring over an extensive area, a combination of ground measurements through inexpensive sensors and wireless GIS will be used for this purpose. This portable device, comprising solid state gas sensors integrated to a Personal Digital Assistant (PDA) linked through Bluetooth communication tools and Global Positioning System (GPS), will allow rapid dissemination of information on pollution levels at multiple sites simultaneously. The AQ report generated can be then published using Internet GIS to provide a real-time information service for the PCD, for increased public awareness and enhanced public participation. The local deterministic and geostatistical interpolation methods have been used for spatial prediction, and to find out the most suitable method for studying air pollution, based on observations at each monitoring site.

Place, publisher, year, edition, pages
Elsevier, 2005. Vol. 6, no 3-4 SPEC. ISS., 251-255 p.
National Category
Nano Technology
URN: urn:nbn:se:kth:diva-175269DOI: 10.1016/j.stam.2005.02.003ISI: 000231970600008ScopusID: 2-s2.0-23944459991OAI: diva2:918307

QC 20160412

Available from: 2016-04-11 Created: 2015-10-10 Last updated: 2016-04-12Bibliographically approved

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Dutta, Joydeep
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