Assessment of Near-Bottom Water Quality of Southwestern Coast of Sarawak, Borneo, Malaysia: A Multivariate Statistical Approach

Table 4

Loadings of the in situ and ex situ water quality parameters on the first five Varimax-rotated PCs (eigenvalue > 1) along the coastline of southwestern region Sarawak.

Rotated component matrix
Parameter	Component
	1	2	3	4	5
Salinity		−0.641
Temperature		+0.836
DO	+0.878
pH	+0.561	+0.760
Turbidity		+0.647
Transparency			−0.877
Chl-a					+0.870
TSS		+0.812
BOD5	+0.800
TP				+0.972
IP			+0.825
OP				+0.960
TN	+0.821
-N	+0.826
-N		+0.603			−0.575
-N	+0.712
ON	+0.697
Initial eigenvalue	8.7	2.9	1.3	1.2	1.1
% of variance	50.9	16.9	7.5	7.1	6.5
Cumulative %	50.9	67.8	75.3	82.4	89.0

Rotation converged in 6 iterations.