Assesment of trace metals using chemometric analysis in Kuantan River, East Coast Malaysia
Chemometric techniques were applied to identify and assess the trace metals of Kuantan River water. Water samples from nine sampling stations were taken from downstream of the estuary towards the upstream of Kuantan River. The following trace metals were selected for analysis i.e. Hg, Cd, Pb, As,...
保存先:
| 主要な著者: | , , , |
|---|---|
| フォーマット: | 論文 |
| 言語: | English |
| 出版事項: |
2019
|
| 主題: | |
| オンライン･アクセス: | http://eprints.unisza.edu.my/6299/1/FH02-FBIM-19-27339.pdf http://eprints.unisza.edu.my/6299/ |
| タグ: |
タグ追加
タグなし, このレコードへの初めてのタグを付けませんか!
|
| 要約: | Chemometric techniques were applied to identify and assess the trace metals of Kuantan River water. Water samples
from nine sampling stations were taken from downstream of the estuary towards the upstream of Kuantan River.
The following trace metals were selected for analysis i.e. Hg, Cd, Pb, As, Co and Cr. To evaluate chemical variation on
the variables, multivariate statistical methods like principal components analysis (PCA), cluster analysis (CA) and
discriminant analysis (DA) were performed. The homogeneity characteristics between the stations were integrated
by cluster analysis, which were represented by dendrograms and were classified according to their surrounded
activities. PCA was identified four factors namely Cr, Hg, Pb and Co explaining 77.8% of the total variance. PCA
revealed that Kuantan River is strongly affected by point sources such as commercial wastewater, industries and
non-point sources especially from agriculture activities. The CA classified three clusters as commercial centre (CC),
residential areas (RA) and agricultural areas (AA). AA located in the upstream is less polluted than RA, while CC
located in the downstream is more polluted than RA. These statistical approaches and results yielded useful
information including identification of pollution sources/factors and understanding temporal variations in river
water for effective river water quality management. |
|---|