Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements

Atmospheric aerosols play an important role in climate change and air quality. Aerosol studies that are related to their spatio-temporal variation and trends are useful in order to understand their roles and impacts on solar radiation and clouds. The main objectives of this study are to validate the...

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Main Author:	Lim, Hui Qi
Format:	Thesis
Language:	English
Published:	2014
Subjects:	G70.39-70.6 Remote sensing
Online Access:	http://eprints.utm.my/102822/1/LimHuiQiMFGHT2014.pdf
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id	my-utm-ep.102822
record_format	uketd_dc
spelling	my-utm-ep.1028222023-09-24T03:18:31Z Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements 2014 Lim, Hui Qi G70.39-70.6 Remote sensing Atmospheric aerosols play an important role in climate change and air quality. Aerosol studies that are related to their spatio-temporal variation and trends are useful in order to understand their roles and impacts on solar radiation and clouds. The main objectives of this study are to validate the Terra Moderate Resolution Imaging Spectroradiometer (MODIS) Aerosol Optical Depth (AOD) products, analyse the spatio-temporal evolution and trend of AOD from Terra and Aqua MODIS sensors, to identify aerosol types and their origin, and to investigate the effects of aerosol on solar radiation. The Terra MODIS AOD was found to correlate significantly with Aerosol Robotic Network (AERONET) AOD with R2 = 0.86.The spatial pattern of MODIS AOD in Peninsular Malaysia shows highest AOD values at western stations whereas the lowest AOD values were recorded at Cameron highlands. The AOD trend over a period of 10 years shows a neutral-to-declining trend, while that from Aqua exhibits an increasing trend. AERONET AODs exhibit either insignificant diurnal variation or higher values during afternoon, while their short-term availability does not allow for trend analysis. Moreover, the Particulate Matter below 10 micron (PM10) concentrations exhibits a general positive trend over the examined locations suggesting increase in aerosols near the ground. The identification of sources and destination of aerosols revealing that aerosols during the dry season are mainly originated from the west and southwest, while in the wet season they are mostly associated with the northeast monsoon winds from the South China Sea. Four types of aerosols were identified and the AOD was found negatively correlated with solar radiation with low R2 but statistically significant. 2014 Thesis http://eprints.utm.my/102822/ http://eprints.utm.my/102822/1/LimHuiQiMFGHT2014.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:86433 masters Universiti Teknologi Malaysia Faculty of Geoinformation & Real Estate
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	G70.39-70.6 Remote sensing
spellingShingle	G70.39-70.6 Remote sensing Lim, Hui Qi Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements
description	Atmospheric aerosols play an important role in climate change and air quality. Aerosol studies that are related to their spatio-temporal variation and trends are useful in order to understand their roles and impacts on solar radiation and clouds. The main objectives of this study are to validate the Terra Moderate Resolution Imaging Spectroradiometer (MODIS) Aerosol Optical Depth (AOD) products, analyse the spatio-temporal evolution and trend of AOD from Terra and Aqua MODIS sensors, to identify aerosol types and their origin, and to investigate the effects of aerosol on solar radiation. The Terra MODIS AOD was found to correlate significantly with Aerosol Robotic Network (AERONET) AOD with R2 = 0.86.The spatial pattern of MODIS AOD in Peninsular Malaysia shows highest AOD values at western stations whereas the lowest AOD values were recorded at Cameron highlands. The AOD trend over a period of 10 years shows a neutral-to-declining trend, while that from Aqua exhibits an increasing trend. AERONET AODs exhibit either insignificant diurnal variation or higher values during afternoon, while their short-term availability does not allow for trend analysis. Moreover, the Particulate Matter below 10 micron (PM10) concentrations exhibits a general positive trend over the examined locations suggesting increase in aerosols near the ground. The identification of sources and destination of aerosols revealing that aerosols during the dry season are mainly originated from the west and southwest, while in the wet season they are mostly associated with the northeast monsoon winds from the South China Sea. Four types of aerosols were identified and the AOD was found negatively correlated with solar radiation with low R2 but statistically significant.
format	Thesis
qualification_level	Master's degree
author	Lim, Hui Qi
author_facet	Lim, Hui Qi
author_sort	Lim, Hui Qi
title	Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements
title_short	Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements
title_full	Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements
title_fullStr	Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements
title_full_unstemmed	Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements
title_sort	investigating aerosol properties in peninsular malaysia via the synergy of satellite remote sensing and ground-based measurements
granting_institution	Universiti Teknologi Malaysia
granting_department	Faculty of Geoinformation & Real Estate
publishDate	2014
url	http://eprints.utm.my/102822/1/LimHuiQiMFGHT2014.pdf
_version_	1783729222407159808

Investigating aerosol properties in Peninsular Malaysia via the synergy of satellite remote sensing and ground-based measurements

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