I am working on assessment of water quality of different 04 estuaries.
I have done statistical analysis in SPSS. I need to know how to interprets the PCA during the low tide and high tide condition!!!
our study location around many of industries and domestic wastage dumping in these estuaries.
i am writing a research paper so i want to add on the paper..
if any have idea than please guide me.
The PCA's you provided are showing what appears to be different drives of water quality at the two tidal stages.
You may also want to try doing the PCA for each estuary separately. This may help you find relationships among variables that are specific to estuary or if you have similar signals regardless of location.
The two articles attached that should help you think about your PCA's.
This book is also very helpful for understanding multivariate statistics: A Primer of Ecological Statistics by Nicholas Gotelli and Aaron Ellison.
Feel free to message directly for discussing in more depth.
Hope this helps!
Please consult this very useful literature (Singh et al. 2004; about 1000 citations) to understand the PCA in the analysis of water parameter data set.
Singh, K. P., A. Malik, D. Mohan, and S. Sinha. 2004. “Multivariate
Statistical Techniques for the Evaluation of Spatial and
Temporal Variations in Water Quality of gomti River (India)
– A Case Study.” Water Research 38: 3980–3992
Billah, M. M., Kamal, A. H. M., Hoque, M. M., & Bhuiyan, M. K. A. (2016). Temporal distribution of water characteristics in the Miri estuary, east Malaysia. Zoology and Ecology, 26(2), 134-140.
Thank You
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