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Abstract - Issue Sep 2016, 37 (5) Back
nstantaneous and historical temperature effects on a-pinene
Analysis
of heavy metals as a key indicator to
predict
shallow slope failure
Rashidi
Othman1*, Shah Irani Hasni1 and Zainul Mukrim
Baharuddin2
1International
Institute for Halal Research and Training, International Islamic University
Malaysia, 53100, Kualal Lumpur, Malaysia
2Herbarium Unit,
Department of Landscape Architecture, Kulliyyah of Architecture and
Environmental Design, International Islamic University Malaysia, 53100 Kuala
Lumpur, Malaysia
*Corresponding
Author E-mail: rashidi@iium.edu.my
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Publication
Data
Paper received:
22 September 2015
Revised received:
27 April 2016
Re-revised received:
05 May 2016
Accepted:
23 June 2016
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Abstract
Degradation
or decline of soil quality that cause shallow slope failure may occur due to
physical or chemical pro?cesses. It can be triggered off by natural
phenomena, or induced by human activity through misuse of land resources,
excessive development and urbanization leading to deforestation and erosion
of covered soil masses causing serious threat to slopes. The extent of damage
of the slopes can be minimized if a long-term early warning system is
predicted in the landslide prone areas. The aim of the study was to
characterize chemical properties of stable and unstable slope along selected
highways of Malaysia which can be manipulated as indicator to forecast
shallow slope failure. The elements in soil chemical properties contributed
to each other as binding agents that affected the existing soil structure. It
could make the soil structure strong or weak. Indicators that can be used to
predict shallow slope failure were low content in iron, lead, aluminum,
chromium, zinc, low content of organic carbon and CEC.
Key
words
CEC,
Heavy metal, Oxisols, Shallow slope failure, Soil chemical properties
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