Composition and source apportionment of dust fall around a natural lake

Mohd Talib Latif, Sofia Aida Ngah, Doreena Dominick, Intan Suraya Razak, Xinxin Guo, Thunwadee Srithawirat, Mushrifah Idris

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The aim of this study was to determine the source apportionment of dust fall around Lake Chini, Malaysia. Samples were collected monthly between December 2012 and March 2013 at seven sampling stations located around Lake Chini. The samples were filtered to separate the dissolved and undissolved solids. The ionic compositions (NO<inf>3</inf><sup>-</sup>, SO<inf>4</inf><sup>2-</sup>, Cl<sup>-</sup> and NH<inf>4</inf><sup>+</sup>) were determined using ion chromatography (IC) while major elements (K, Na, Ca and Mg) and trace metals (Zn, Fe, Al, Ni, Mn, Cr, Pb and Cd) were determined using inductively coupled plasma mass spectrometry (ICP-MS). The results showed that the average concentration of total solids around Lake Chini was 93.49±16.16mg/(m<sup>2</sup>·day). SO<inf>4</inf><sup>2-</sup>, Na and Zn dominated the dissolved portion of the dust fall. The enrichment factors (EF) revealed that the source of the trace metals and major elements in the rain water was anthropogenic, except for Fe. Hierarchical agglomerative cluster analysis (HACA) classified the seven monitoring stations and 16 variables into five groups and three groups respectively. A coupled receptor model, principal component analysis multiple linear regression (PCA-MLR), revealed that the sources of dust fall in Lake Chini were dominated by agricultural and biomass burning (42%), followed by the earth's crust (28%), sea spray (16%) and a mixture of soil dust and vehicle emissions (14%).

Original languageEnglish
Pages (from-to)143-155
Number of pages13
JournalJournal of Environmental Sciences (China)
Volume33
DOIs
Publication statusPublished - 1 Jul 2015

Fingerprint

Dust
Lakes
dust
lake
Chemical analysis
trace metal
Vehicle Emissions
Ion chromatography
Inductively coupled plasma mass spectrometry
ionic composition
ion chromatography
Cluster analysis
traffic emission
biomass burning
Linear regression
Principal component analysis
spray
Rain
cluster analysis
principal component analysis

Keywords

  • Anion
  • Lake Chini
  • Major element
  • Malaysia
  • Source apportionment
  • Trace metal

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Composition and source apportionment of dust fall around a natural lake. / Latif, Mohd Talib; Ngah, Sofia Aida; Dominick, Doreena; Razak, Intan Suraya; Guo, Xinxin; Srithawirat, Thunwadee; Idris, Mushrifah.

In: Journal of Environmental Sciences (China), Vol. 33, 01.07.2015, p. 143-155.

Research output: Contribution to journalArticle

Latif, Mohd Talib ; Ngah, Sofia Aida ; Dominick, Doreena ; Razak, Intan Suraya ; Guo, Xinxin ; Srithawirat, Thunwadee ; Idris, Mushrifah. / Composition and source apportionment of dust fall around a natural lake. In: Journal of Environmental Sciences (China). 2015 ; Vol. 33. pp. 143-155.
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