Academic Work

Research Projects: 

•  Investigation for Mitigation Flood in Lower Chao Phraya River Basin by Using the Retention Ponds and Flood Recharge into Bangkok Aquifers is funded by National Research Council of Thailand. Its period is 2007 to 2008. 

•  Groundwater and Solute Transport Modeling part of the project of improvement and develop law for the groundwater conservation is funded by Chulalongkorn University. Its period is 2007 to 2008.

•  Land Subsidence Investigation in Bangkok is funded by Chulalongkorn University. Its period is 2008. 




  • Arlai, P., Integrated Groundwater Management Process (GWM) with 3-D Variable Density Groundwater Flow and Solute Transport to investigate an efficient Groundwater Management Scheme in Bangkok multilayered Aquifer System, International Journal of GMSARN. 


  • Arlai,P. and M. Koch,, Cost-economical Optimization and Feasibility Investigation of Groundwater Management Schemes for Groundwater Flow and Density-dependent Solute Transport in the Bangkok Aquifer System , XVII International Conference on Computational Methods in Water Resources (CMWR 2008) , San Francisco, July 6-10, 2008, Presentation.


  • Arlai, P., T. Kitpaisalsakul, M. Yongprawat and R. Onchang, THE SENSITIVITY ANALYSIS OF GROUNDWATER RECHARGE INTO BANGKOK AQUIFERS SYSTEM TO REMEDIATE FLOOD IN LOWER CHAO PHRAYA RIVER BASIN, 2008 Asian-Pacific Regional Conference on Practical Environmental Technologies, University of Philippines, Diliman, Quezon City, Philippines, June 30th to July 1st, 2008.


  • Arlai, P., Integrated non-Linear Regression Inverse and Groundwater Modeling to evaluate reasonable calibrated Parameters in a multilayered Aquifers, The 1st NPRU ACADEMIC CONFERENCE, 23 rd -24 th of October, 2008, Nakhon Pathom Rajabhat University, Nakhon Pathom, Thailand.


  • P. Arlai, T. Kitpaisalsakul, M. Yongphrawat and R. Onchang , Numerical Investigation of gravitational Recharge from Kamlings into Bangkok Aquifers System , IGSTH2009, Bangkok, Thailand.


  • Arlai, P. and M. Koch , The Importance of Density-Dependent Flow and Solute Transport Modeling to simulate Seawater Intrusion into a Coastal Aquifer System , International Symposium on Efficient Groundwater Resources Management (IGS-TH 2009) , Bangkok, Thailand, February 16-21, 2009. 




  • Y., Prawat, P. Arlai and R. Onchang, Possibility Study of Recharging Flood from Flood Retention Reservoirs into Bangkok Aquifers System by Numerical Modeling, Journal of Environmental Engineering (In Thai, Submitted).




  • Arlai, P., M. Koch, S. Munyu, K. Pirarai and A. Lukjan, Optimization of Grid Spacing in a Groundwater Model, PSU Engineering Conference, Prince of Songklanakarin University, Hat Yai, Thailand, April 22-23, 2010.



  • ​​​Arlai, P. and M. Koch, Density-dependent numerical Simulations of the Impact of Underground Dams on Groundwater Storage on Samui Island, Thailand, Journal of Applied Water Engineering and Research (JAWER) , DOI: 10.1080/23249676.2016.117173, Published online: 12 May 2016.