Mayzonee Ligaray, Ph.D.
Associate Professor 4
Contact(s): or
Educ. Background:
Postdoctoral Fellow, Ulsan National Institute of Science and Technology (Water-Environmental Informatics Laboratory)
Ph.D. Environmental Science and Engineering, Ulsan National Institute of Science and Technology (2017) 
M.S Environmental Engineering, University of the Philippines Diliman (2013)
B.S. Metallurgical Engineering, University of the Philippines Diliman (2011)
Head: Environmental Hydrology Laboratory

Interests / ProjectsCourses Handled & Other InformationPublication


  • Water Quality Monitoring
  • Fate and Transport Modeling of Pollutants and Bacteria
  • Artificial Intelligence and Hyperspectral Imagery Applications on Water Quality Sensing
  • Artificial Intelligence-based Hydrological/Water Quality Modeling
  • Watershed Management and Modeling


  • DOST-S4CP funded project: Model Rehabilitation of a Laguna de Bay Tributary – Taytay River – Maningning Creek Sub-basin (Taytay River Initiatives for a Better Environment or Project TRIBE)
  • NSRI-funded project: Mananga Watershed Management using Hydrological and Statistical Modeling Approaches


  • Env Sci 1 (Environment and Society)
  • Env Sci 201 (Fundamentals of Environmental Science I)
  • Env Sci 262 (Water Quality Modeling)
  • Env Sci 297 (Special Topics: Freshwater Resources – Introduction to Ground and Surface Water Hydrology)
  • Env Sci 297 (Special Topics: Hydrogeomorphology)
  • Env Sci 297 (Special Topics: Watershed Ecology)


  1. Park, S., Ligaray, M., Kim, Y., Chon, K., Son, M., Cho, K.H. 2021. Investigating the influence of catholyte salinity on seawater battery desalination, Desalination, Volume 506, 2021, 115018, ISSN 0011-9164, (
  2. Kim, M., Ligaray, M., Kwon, Y.S., Kim, S., Baek, S., Pyo, J.C., Baek, G., Shin, J., Kim, J., Lee, C., Kim, Y.M., Cho, K.H. 2020. Designing a marine outfall to reduce microbial risk on a recreational beach: Field experiment and modeling, Journal of Hazardous Materials,
    Volume 409, 2021, 124587, ISSN 0304-3894,
  3. Cho, K.H., Pachepsky, Y., Ligaray, M., Kwon, Y., Kim, K.H. 2020. Data assimilation in surface water quality modeling: A review, Water Research, Volume 186, 2020, 116307, ISSN 0043-1354,
  4. Kim, N., Par, J.-S., Kishor, K., Ligaray, M., Cho, K.H., Kim, Y. 2020. Compartmentalized desalination and salination by high energy density desalination seawater battery. Desalination. Accepted
  5. Pyo, J.C., Duan, H., Ligaray, M., Kim, M., Baek, S., Kwon, Y.S., Lee, H., Kang, T., Kim, K., Cha*,  Y.K., Cho, K.H. 2020. An integrative remote sensing application of stacked autoencoder for atmospheric correction and cyanobacteria estimation using hyperspectral imagery. Remote Sensing 12 (2020):1073
  6. Ligaray, M., Kim, N.H., Park, S., Park, J., Park, J., Kim*, Y., Cho*, K.H. 2020. Energy projection of the seawater battery desalination system using the reverse osmosis system analysis model. Chemical Engineering Journal. 395 (2020): 125082.
  7. Baek, S., Ligaray, M., Pyo, J., Park, J.-P., Kang, J.-H., Chun, J.A., Cho, K.H. 2020. A novel water quality module of the SWIMM model for assessing low impact development (LID) in urban watersheds. Journal of Hydrology 586 (2020): 124886.
  8. Abbas, A., Baek, S., Kim, M., Ligaray, M., Ribolzi, O., Silvera, N., Min, J.-H., Boithias*, L., Cho*, K.H. 2020. Surface and sub-surface flow estimation at high temporal resolution using deep neural networks. Journal of Hydrology 580 (2020):125370
  9. Baek, S.S., Pyo, J.C., Pachepsky, Y., Park, Y., Ligaray, M., Ahn, C.-Y., Kim, Y.-H., Chun, J.A., Cho*, H.H. 2020. Identification and enumeration of cyanobacteria species using deep neural networks. Ecological Indicators 115 (2020):106395.
  10. Bautista-Patacsil*, L., Ligaray, M., Sayao, J.P.C., Belosillo, J.R.F., Eusebio, R.C.P., Orbecido, A.H., Beltran, A.B. 2020. Fabrication of Forward Osmosis Membrane using Nata-de Coco as Raw Materials for Desalination. Taiwan Water Conservancy 68 no. 1 (2020) 1-8.
  11. Park, J., Cho, K.H., Ligaray*, M., and Choi*, M.-J. 2019. Organic matter composition of manure and its potential impact on plant growth. Sustainability 11, no. 8 (2019): 2346 
  12. Ligaray*, M., Kim, M., Shim, J., Park, J., & Cho*, K.H. 2019. Performance evaluation of organic matter adsorption from actual graywater using GAC: Orbitap. Membrane Water Treatment 10, no. 6 (2019): 471-484
  13. Park, J., Jeong, K., Baek, S., Park, S., Ligaray, M., Chong, T.H., & Cho*, K.H. 2019. Modeling of NF/RO membrane fouling and flux decline using real-time observations. Journal of Membrane Science 576 (2019): 66-67.
  14. Jeon, D.J., Ligaray, M., Kim, M., Kim, G., Lee, G., Pachepsky, Y.A., Cha*, D.-H., Cho*, K.H. 2019. Evaluating the influence of climate change on the fate and transport of fecal coliform bacteria using the modifies SWAT model. Science of the Total Environment 658 (2019): 753-762.
  15. Alberto, E., de Ocampo, A., Depasupil, C., Ligaray, M., Eusebio, R.C., Orbecido, A., Beltran, A. Bautista-Patacsil, L. 2019. Desalination performance of a forward osmosis membrane from acetylated nata de coco (bacterial cellulose). AIP Conference Proceedings 2124 no. 1 (2019): 020-025.
  16. Kwon, Y.S., Baek, S.H., Lim, Y.K., Pyo, J.C., Ligaray, M., Park*, Y., & Cho*, K.H. 2018. Monitoring Coastal Chlorophyll-a Concentrations in Coastal Areas Using Machine Learning Models. Water 10 no. 8 (2018): 1020.
  17. Pyo, J.C., Ligaray, M., Kwon, Y.S., Ahn, M.-H., Kim, K., Lee, H., Kang, T., Cho, S.B., Park*, Y., & Cho*, K.H. 2018. High-Spatial Resolution Monitoring of Phycocyanin and Chlorophyll-a Using Airborne Hyperspectral Imagery. Remote Sensing 10, no. 8 (2018): 1180.
  18. Ligaray, M., Funtalan, C.M., de Luna, M.D., Wan*, M.-W. 2017. Removal of chemical oxygen demand from thin-film transistr liquid-crystal display wastewater using chitosan-coated bentonite: Isotherm, kinetics and optimization studies. Journal of Cleaner Production, 177 (2017), 145-154.
  19. Ligaray, M., Kim, M., Baek, S.S., Ra, J.-S., Chun, J.A., Park, Y., Cho*, K.H. 2017. Modeling the fate and transport of malathion in Pagsanjan-Lumban Basin, Philippunes. Water, 9 no. 7 (2017), 451.
  20. Baek, S., Ligaray, M., Park, J.-P., Shin, H.-S., Kwon, Y., Brascher, J., Cho*, K.H. 2017 Developing a hydrological simulation tool to design bioretention in a watershed. Environmental Modelling & Software, 112 (2017): 104074.
  21. Ligray, M., Baek, S.-S., Kwon, H.O., Choi*, S.-D., Cho*, K.H. 2016. Watershed-scale modeling on the Fate and Transport of Polyclic Aromatic Hydrocarbons (PAHs). Journal of Hazardous Materials, 320 (2016): 442-457.
  22. Ligaray, M., Kim, H., Sthiannopkao, S., Lee, S.W., Cho*, K.H., Kim*, J.H. 2015. Assessment on Hyydrologic Response by Climate Change in Chao Phraya River Basin, Thailand. Water. 7 no. 1212 (2015): 6892-6909.
  23. Kim, M. Baek, S., Ligaray, M., Pyo, J.C., Park, M., Cho*, K.H. 2015. Comparative Studies on Different Imputation Methods for recovering Streamflow Observation. Water 7 no. 12 (2015): 6847-6860.
  24. Park, Y., Ligaray, M., Kim, Y.M., Kim, J.H., & Cho*, K.H., Sthiannopkao*, S. 2015. Development of enhanced groundwater Arsenic prediction model using machine learning approaches in Southeast Asian Countries. Desalination and Water Treatment, (2015) 
  25. Kim, J.-O., Cho, K.H., Ligaray, M., Jang, H.M., Kang, E., Kim, Y.M. 2015. Monitoring influential environmental conditions affecting comminities of denitrifying and nitrifying bacteria in a combined anoxic-oxic activated sludge system. International Biodeterioration & Biodegradation (2015), 100, 1-6.
  26. Aguila, D.M.M., and Ligaray, M.V. 2015. Adsorption of Eriochrome Black T on MnO2-Coated Zeolite. International Journal of Environmental Science and Development, (2015), 6(11), 824-827.