Multivariate Repeated Measurement Model for Analysing Water Quality of Na Thap River During 2004-2014

Authors

  • Felycitia Iradati Yusrina  Department of Statistics, Bogor Agricultural University, Bogor, West Java, Indonesia
  • Khairil A. Notodiputro  Department of Statistics, Bogor Agricultural University, Bogor, West Java, Indonesia
  • Indahwati  Department of Statistics, Bogor Agricultural University, Bogor, West Java, Indonesia

Keywords:

Mixed Model, Multivariate Linear Mixed Model, Na Thap River, Repeated Measurement

Abstract

The Electricity Generation Authority of Thailand (EGAT), located in Chana, Songkhla province, was built in 2004 and has been sending electricity commercially to the network in 2007. The power plant waste is discharged into the Na Thap River, so there is a great concern that will have an ecological impact on the biodiversity and ecosystems in the Na Thap river waters. This study focuses on the river water quality. The water quality studied was dissolved oxygen (DO), pH and Biochemical Oxygen Demand (BOD) which followed the repeated measurement structure data. Water quality modeling show that the month, zone and their interactions affect the water quality of pH, DO and BOD simultaneously before and after EGAT operation. The variance contribution of between sites smaller than within site. This indicates a variation within sites and no variation between sites.

References

International Journal of Scientific Research in Science, Engineering and Technology

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Published

2018-08-30

Issue

Volume 4, Issue 9, July-August-2018

Section

Research Articles

License

Copyright (c) IJSRSET

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
Felycitia Iradati Yusrina, Khairil A. Notodiputro, Indahwati, " Multivariate Repeated Measurement Model for Analysing Water Quality of Na Thap River During 2004-2014, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 4, Issue 9, pp.512-517, July-August-2018.