Time Series Analysis of Heavy Metal Concentrations along the Watershed Gradient in Cameron Highlands: Geospatial Approaches

S. H. Haron, Ismail Sahid, M. R. Mispan, N. F Abd Rahman, K. Khalid, M. Z. Abdul Rasid, L. M. Sidek

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Heavy metal, particularly cadmium, lead, and arsenic, constitute a significant potential threat to human health. Some metals are extremely toxic to humans and the toxic heavy metals of greatest concern include cadmium, lead, and arsenic. The objective of the study conducted was to determine the accumulation and distribution status of heavy metal cadmium (Cd) in the sediment of Bertam River from September 2014 to February 2015 in the agricultural areas of Cameron Highlands, Malaysia. The sediment samples were collected randomly in three replicates from ten sampling points in the agricultural areas of Cameron Highlands. The heavy metals in the sediment were extracted using the wet acid method and the sample concentrations are then tested for metal concentrations by the spectrography method using Inductively Coupled Plasma (ICP) spectrography. Inverse distance weighting (IDW) was used to create a map of metal concentrations for a point on the polygon dataset spatial interpolation. There is an increasing trend of Cd from the upstream to downstream stations along Bertam River during the rainy season. The activity range of Cd is 0.07 to 2.83 μg/g during the rainy season, whereas, during the dry season, Cd activity ranged from 0.26-0.83μg/g.

Original languageEnglish
Article number012064
JournalIOP Conference Series: Earth and Environmental Science
Volume32
Issue number1
DOIs
Publication statusPublished - 19 Apr 2016
Externally publishedYes

Fingerprint

time series analysis
cadmium
heavy metal
watershed
arsenic
metal
inductively coupled plasma method
agricultural land
sediment
polygon
river
interpolation
dry season
acid
sampling

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Time Series Analysis of Heavy Metal Concentrations along the Watershed Gradient in Cameron Highlands : Geospatial Approaches. / Haron, S. H.; Sahid, Ismail; Mispan, M. R.; Rahman, N. F Abd; Khalid, K.; Abdul Rasid, M. Z.; Sidek, L. M.

In: IOP Conference Series: Earth and Environmental Science, Vol. 32, No. 1, 012064, 19.04.2016.

Research output: Contribution to journalArticle

Haron, S. H. ; Sahid, Ismail ; Mispan, M. R. ; Rahman, N. F Abd ; Khalid, K. ; Abdul Rasid, M. Z. ; Sidek, L. M. / Time Series Analysis of Heavy Metal Concentrations along the Watershed Gradient in Cameron Highlands : Geospatial Approaches. In: IOP Conference Series: Earth and Environmental Science. 2016 ; Vol. 32, No. 1.
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