Publications

[Names of the current/former students under my supervision/co-supervision are underlined.]

REFEREED JOURNAL PAPERS

Karimi, N., Ng, K. T. W., Richter, A. (2022) “Development of a regional solid waste management framework and its application to a prairie province in central Canada''. Sustainable Cities and Society, 82, 103904. https://doi.org/10.1016/j.scs.2022.103904 [50-day free link: https://authors.elsevier.com/a/1eysL7sfVZ6QrS ]

Vu, H. L., Ng, K. T. W., Richter, A., An, C. (2022) "Analysis of input set characteristics and variances on k-fold cross validation for a Recurrent Neural Network model on waste disposal rate estimation". Journal of Environmental Management, 311, 114869, 1-10. https://doi.org/10.1016/j.jenvman.2022.114869

Karimi, N., Ng, K. T. W., Richter, A. (2022) "Development and application of an analytical framework for mapping probable illegal dumping sites using nighttime light imagery and various remote sensing indices". Waste Management, 143, 195-205. https://doi.org/10.1016/j.wasman.2022.02.031

Kabir, G., Ahmed, S. K., Aalirezaei, A., Ng, K. T. W. (2022) "Benchmarking Canadian solid waste management system integrating Fuzzy Analytic Hierarchy Process (FAHP) with efficacy methods". Environmental Science and Pollution Research. https://doi.org/10.1007/s11356-022-19492-5 [Free link: https://rdcu.be/cNgwZ ]

Singh, M., Karimi, N., Ng, K. T. W., Mensah, D., Stilling, D., Adusei, K. (2022) "Hospital waste generation during the first wave of COVID-19 pandemic – A case study in Delhi". Environmental Science and Pollution Research. https://doi.org/10.1007/s11356-022-19487-2 [Free link: https://rdcu.be/cIcim ]

Requena, N., Carbonel, D., Moonsammy, S., Klaus, R., Sicha Punil, L., Ng, K. T. W. (2022) "Virtual methodology for household waste characterization during the pandemic in an urban district of Peru: Citizen science for waste management", Environmental Management, https://doi.org/10.1007/s00267-022-01610-1 [Free link: https://rdcu.be/cHGmG ]

Islam, M. R., Kabir, G., Ng, K. T. W., Ali, S. M. (2022) "Yard Waste Prediction from Estimated Municipal Solid Waste Using the Grey Theory to Achieve a Zero-Waste Strategy". Environmental Science and Pollution Research, https://doi.org/10.1007/s11356-022-19178-y [Free link: https://rdcu.be/cHEr5 ]

Williams, J., Ibrahim, H., Karimi, N., Ng, K. T. W. (2022) "Heterogeneous Numerical Modelling for the Auto thermal Reforming of Crude Glycerol in a Fixed Bed Reactor". Chinese Journal of Chemical Engineering, 42, 261-268. https://doi.org/10.1016/j.cjche.2021.03.054

Xue, J., Samaei, S. H. A., Chen, J., Doucet, A., Ng, K. T. W. (2022) "What have we known so far about microplastics in drinking water treatment? A timely review", Frontiers of Environmental Science and Engineering, 16(5):58. https://doi.org/10.1007/s11783-021-1492-5

Behi, Z., Ng, K. T. W., Richter, A., Karimi, N., Ghosh, A., Zhang, L. (2022) "Exploring the untapped potential of solar photovoltaic energy at a smart campus: shadow and cloud analyses". Energy & Environment, 33(3), 511-526. https://doi.org/10.1177/0958305X211008998

Vu, H. L., Ng, K. T. W., Richter, A., Kabir, G. (2021) "The use of a Recurrent Neural Network model with separated time-series and lagged daily inputs for waste disposal rates modeling during COVID-19". Sustainable Cities and Society, 75, 103339. https://doi.org/10.1016/j.scs.2021.103339

Karimi, N., Ng, K. T. W., Richter, A. (2021) "Prediction of fugitive landfill gas hotspots using a random forest algorithm and Sentinel-2 data". Sustainable Cities and Society, 73, 103097. https://doi.org/10.1016/j.scs.2021.103097

Ghosh, A., Ng, K. T. W. (2021) "Temporal and spatial distributions of waste facilities and solid waste management strategies in rural and urban Saskatchewan, Canada". Sustainability, 13(12): 6887. https://doi.org/10.3390/su13126887

Vu, H. L., Ng, K. T. W., Richter, A., Karimi, N., Kabir, G. (2021) "Modeling of municipal waste disposal rates during COVID-19 using separated waste fraction models". Science of The Total Environment, 789, 148024. https://doi.org/10.1016/j.scitotenv.2021.148024

Richter, A., Ng, K. T. W., Karimi, N., Li, R. Y. M. (2021) "An iterative tessellation-based analytical approach to the design and planning of waste management regions". Computers, Environment and Urban Systems, 88, 101652. https://doi.org/10.1016/j.compenvurbsys.2021.101652

Richter, A., Ng, K. T. W., Vu, H. L., Kabir, G. (2021) "Identification of behaviour patterns in waste collection and disposal during the first wave of COVID-19 in Regina, Saskatchewan, Canada". Journal of Environmental Management, 290, 112663. https://doi.org/10.1016/j.jenvman.2021.112663

Karimi, N., Ng, K. T. W., Richter, A., Williams, J., Ibrahim, H. (2021) "Thermal Heterogeneity in the Proximity of Municipal Solid Waste Landfills on Forest and Agricultural Lands". Journal of Environmental Management, 287, 112320. 1-10. https://doi.org/10.1016/j.jenvman.2021.112320

Richter, A., Ng, K. T. W., Karimi, N. (2021) "The role of compactness distribution on the development of regionalized waste management systems". Journal of Cleaner Production, 296, 126594. 1-12. https://doi.org/10.1016/j.jclepro.2021.126594

Richter, A., Ng, K. T. W., Karimi, N., (2021) "Meshing centroidal Voronoi tessellation with spatial statistics to optimize waste management regions". Journal of Cleaner Production, 295, 126465. 1-11. https://doi.org/10.1016/j.jclepro.2021.126465

Bolingbroke, D., Ng, K. T. W., Vu, H. L., Richter, A. (2021) "Quantification of solid waste management system efficiency using input-output indices". Journal of Material Cycles and Waste Management, 23(3), 1015-1025. https://doi.org/10.1007/s10163-021-01187-7 [view-only link: https://rdcu.be/cyFfF ]

Richter, A., Ng, K. T. W., Vu, H. L., Kabir, G. (2021) "Waste disposal characteristics and data variability in a mid-sized Canadian city during COVID-19". Waste Management, 122, 49-54. https://doi.org/10.1016/j.wasman.2021.01.004

Richter, A., Ng, K. T. W., Karimi, N., Chang, W. (2021) "Developing a novel proximity analysis approach for assessment of waste management cost efficiency in low population density regions". Sustainable Cities and Society, 65, 102583, 1-12. https://doi.org/10.1016/j.scs.2020.102583

Babamiri, O., Vanaei, A., Guo, X., Wu, P., Richter, A., Ng, K. T. W. (2021) "Numerical Simulation of Water Quality and Self-Purification in a Mountainous River Using QUAL2KW". Journal of Environmental Informatics, 37(1). 26-35. https://doi.org/10.3808/jei.202000435

Chen, Y., Ng, K. T. W., Richter, A., Vu, H. L., Karimi, N., Xue, J. (2021) "Spatial analysis of designated outdoor smoking areas: accessibility and land use". Journal of Environmental Planning and Management, 64(4). 689-702. https://doi.org/10.1080/09640568.2020.1782177 [Free eprint link: https://www.tandfonline.com/eprint/XCCBKFPDW5SUDNMTDNZC/full?target=10.1080/09640568.2020.1782177 ]

Fallah, B., Ng, K. T. W., Richter, A., Vu, H. L., Peng, W., Torabi, F. (2020) "Spatial-temporal analysis of dissolved metal pollutants near an unlined municipal landfill in a semi-arid climate". International Journal of Environmental Sciences & Natural Resources, 26(2): 556181. DOI: 10.19080/IJESNR.2020.26.556181

Fallah, B., Ng, K. T. W., Vu, H. L., Torabi, F. (2020) "Application of a multi-stage neural network approach for time-series landfill gas modeling with missing data imputation". Waste Management, 116, 66-78. https://doi.org/10.1016/j.wasman.2020.07.034

Karimi, N., Richter, A., Ng, K. T. W. (2020) "Siting and ranking municipal landfill sites in regional scale using nighttime satellite imagery". Journal of Environmental Management, 256, 109942, 1-9. https://doi.org/10.1016/j.jenvman.2019.109942

Vu, H. L., Ng, K. T. W., Fallah, B., Richter, A., Kabir, G. (2020) "Interactions of residential waste composition and collection truck compartment design on GIS route optimization". Waste Management, 102, 613-623. https://doi.org/10.1016/j.wasman.2019.11.028

Salama, A., Zoubeik, M., Henni, A., Ng, K. T. W., Ibrahim, H. (2020) "On the design of sustainable antifouling system for the crossflow filtration of oily water systems: A multicontinuum and CFD investigation of the periodic feed pressure technique". Science of the Total Environment, 698, 134288, 1-15. https://doi.org/10.1016/j.scitotenv.2019.134288

Richter, A., Ng, K. T. W., Karimi, N., Wu, P., Kashani, A. H. (2019) "Optimization of waste management regions using recursive Thiessen polygons". Journal of Cleaner Production, 234, 85-96. https://doi.org/10.1016/j.jclepro.2019.06.178

Richter, A., Ng, K. T. W., Karimi, N. (2019) "A data driven technique applying GIS, and Remote Sensing to rank locations for waste disposal site expansion". Resources, Conservation and Recycling, 149, 352-362. https://doi.org/10.1016/j.resconrec.2019.06.013

Fallah, B., Richter, A., Ng, K. T. W., Salama, A. (2019) "Effects of groundwater metal contaminant spatial distribution on overlaying kriged maps". Environmental Science and Pollution Research, 26(22), 22945-22957. https://doi.org/10.1007/s11356-019-05541-z [view-only link: https://rdcu.be/bFY33 ]

Vu, H. L., Bolingbroke, D., Ng, K. T. W., Fallah, B. (2019) "Assessment of waste characteristics and their impact on GIS vehicle collection route optimization using ANN waste forecasts". Waste Management, 88, 118-130. https://doi.org/10.1016/j.wasman.2019.03.037

Richter, A., Ng, K. T. W., Fallah, B. (2019) "Bibliometric and Text Mining Approaches to Evaluate Landfill Design Standards". Scientometrics,118(3), 1027-1049. https://doi.org/10.1007/s11192-019-03011-4 [view-only link: https://rdcu.be/bhhPD ]

Pan, C., Ng, K. T. W., Richter, A. (2019) "An Integrated Multivariate Statistical Approach for the Evaluation of Spatial Variations in Groundwater Quality near an Unlined Landfill". Environmental Science and Pollution Research, 26(6), 5724-5737. https://doi.org/10.1007/s11356-018-3967-x [view-only version: https://rdcu.be/bfxqm ]

Vu, H. L., Ng, K. T. W., Bolingbroke, D. (2019) "Time-lagged effects of Weekly Climatic and Socio-economic Factors on ANN Municipal Yard Waste Prediction Models". Waste Management, 84, 129-140. https://doi.org/10.1016/j.wasman.2018.11.038

Pan, C., Ng, K. T. W., Fallah, B., Richter, A. (2019) "Evaluation of the Bias and Precision of Regression Techniques and Machine Learning Approaches in Total Dissolved Solids Modeling of an Urban Aquifer". Environmental Science and Pollution Research, 26(2), 1821-1833. https://doi.org/10.1007/s11356-018-3751-y [view-only version: https://rdcu.be/bbM7P ]

Pan, C., Bolingbroke, D., Ng, K. T. W., Richter, A., Vu, H. L. (2019) "The Use of Waste Diversion Indices on the Analysis of Canadian Waste Management Models". Journal of Material Cycles and Waste Management, 21(3), 478-487. https://doi.org/10.1007/s10163-018-0809-3 [view-only version: https://rdcu.be/bbOFP ]

Vu, H. L., Ng, K. T. W., Bolingbroke, D. (2018) "Parameter Interrelationships in a Dual Phase GIS-based Municipal Solid Waste Collection Model". Waste Management, 78, 258-270. https://doi.org/10.1016/j.wasman.2018.05.050

Bruce, N., Ng, K. T. W., Vu, H. L. (2018) "Use of Seasonal Parameters and their Effects on FOD Landfill Gas Modeling". Environmental Monitoring and Assessment, 190:291. https://doi.org/10.1007/s10661-018-6663-x [view-only version: https://rdcu.be/LQHp ]

Richter, A., Ng, K. T. W., Pan, C. (2018) "Effects of Percent Operating Expenditure on Canadian Non-hazardous Waste Diversion". Sustainable Cities and Society, 38, 420-428. https://dx.doi.org/10.1016/j.scs.2018.01.026

Vu, H. L., Ng, K. T. W., Richter, A. (2017) "Optimization of First Order Decay Gas Generation Model Parameters for Landfills located in Cold Semi-arid Climates". Waste Management, 69, 315-324. https://dx.doi.org/10.1016/j.wasman.2017.08.028

Chowdhury, A., Vu, H. L., Ng, K. T. W., Richter, A., Bruce, N. (2017) "An Investigation on Ontario's Non-hazardous Municipal Solid Waste Diversion using Trend Analysis". Canadian Journal of Civil Engineering, 44(11), 861–870. https://dx.doi.org/10.1139/cjce-2017-0168

Bruce, N., Ng, K. T. W., Richter, A. (2017) "Alternative Carbon Dioxide Modeling Approaches accounting for High Residual Gases in LandGEM" Environmental Science and Pollution Research, 24(16), 14322-14336. https://dx.doi.org/10.1007/s11356-017-8990-9 [view-only version: https://rdcu.be/bbO2R ]

Richter, A., Bruce, N. , Ng, K. T. W., Chowdhury, A., Vu, H. L. (2017) "Comparison between Canadian and Nova Scotian waste management and diversion models – A Canadian Case Study". Sustainable Cities and Society, 30:139-149. https://dx.doi.org/10.1016/j.scs.2017.01.013

Bruce, N., Asha, A., Ng, K. T. W. (2016) "Analysis of Solid Waste Management Systems in Alberta and British Columbia using Provincial Comparison". Canadian Journal of Civil Engineering, 43(4): 351-360. https://dx.doi.org/10.1139/cjce-2015-0414

Wang, Y., Ng, K. T. W., Asha, A. (2016) "Non-hazardous Waste Generation Characteristics and Recycling Practices in Saskatchewan and Manitoba, Canada". Journal of Material Cycles and Waste Management, 18(4): 715-724. https://dx.doi.org/10.1007/s10163-015-0373-z [view-only version: https://rdcu.be/6es2 ]

Srinivasan, A., Viraraghavan, T., Ng, K. T. W. (2012) "Coalescence/filtration of an oil-in-water emulsion in an immobilized Mucor rouxii biomass bed". Separation Science and Technology, 47:16, 2241-2249, https://www.tandfonline.com/doi/pdf/10.1080/01496395.2012.672355

Ng, K. T. W. and Lo, I. M. C. (2010). "Fines Migration from Soil Daily Covers in Hong Kong Landfills". Waste Management, 30(11), 2047-2057, https://doi.org/10.1016/j.wasman.2010.03.005

Ng, K. T. W. and Lo, I. M. C. (2010). "Effects of Design Mix and Porosity of Waste-Derived Paste as Landfill Daily Covers on Lead Retardation". ASCE Journal of Hazardous, Toxic, and Radioactive Waste Management, 14(3), 195–204, https://doi.org/10.1061/(ASCE)HZ.1944-8376.0000033 *2012 Best Practice–Oriented Paper Award*

Yip, T. C. M., Tsang, D. C. W., Ng, K. T. W., Lo, I. M. C. (2009). "Kinetic interactions of EDDS with Soils: 1. Metal re-sorption and competition under EDDS deficiency". Environmental Science & Technology, 43(3), 831–836, https://pubs.acs.org/doi/abs/10.1021/es802030k

Yip, T. C. M., Tsang, D. C. W., Ng, K. T. W., Lo, I. M. C. (2009). "Empirical Modeling of Heavy Metal Extraction by EDDS from Single-Metal and Multi-Metal Contaminated Soils". Chemosphere, 74(2), 301–307, https://doi.org/10.1016/j.chemosphere.2008.09.006

Liu, M. Y., Tsang, D. C. W., Hu, J., Ng, K. T. W., Liu, T. Z., Lo, I. M. C. (2008). "Adsorption of Methylene Blue and Phenol by Wood Waste Derived Activated Carbon". ASCE Journal of Environmental Engineering, 134(5), 338–345, https://doi.org/10.1061/(ASCE)0733-9372(2008)134:5(338)

Ng, K. T. W. and Lo, I. M. C. (2007). "Mechanical Behaviors of a Synthetic Paste of Tire Chips and Paper Sludge in MSW Landfill Daily Cover Applications". Canadian Geotechnical Journal, 44, 928–941, https://doi.org/10.1139/T07-041

Tong, A. S. F., Lai, K. C. K., Ng, K. T. W., Tsang, D. C. W., Liu, T. Z., Hu, J., Zhang, W., Lo, I. M. C. (2007). "Renewable Energy Generation by Full-Scale Biomass Gasification System Using Agricultural and Forestal Residues". ASCE Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management, 11(3), 177–183, https://doi.org/10.1061/(ASCE)1090-025X(2007)11:3(177)

CONFERENCE PAPERS & PROCEEDINGS (*Orally Presented)

Romel, M. A., Kabir, G., Ali, S. M., Ng, K. T. W. (2022) "Identification of Critical Barriers for E-waste Management in an Evolving Economy using Best Worst Method", 194-208. In: Rezaei J., Brunelli M., Mohammadi M. (eds) Advances in Best-Worst Method. BWM 2021. Lecture Notes in Operations Research, Springer. https://doi.org/10.1007/978-3-030-89795-6_14

Eslami, S.*, Kabir, G., Ng, K. T. W. (In press) "Prediction of C&D, Grit and Asphalt Waste during COVID-19 using Grey Model". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-654.

Eslami, S.*, Ng, K. T. W., Kabir, G. (In press) "Prediction of Waste Disposal during COVID-19 using System Dynamics Modeling". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-563.

Ghosh, A.*, Richter, A., and Ng, K. T. W. (In press) "Applications of Geographic Information Systems to site waste facilities in Saskatchewan – Phase 1". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-247.

Anuge, O. S., Ghosh, A.*, and Ng, K. T. W. (In press) "Utilization of organic wastes as a bio-resource: A case study of Corn Cobs in Nigeria". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-234.

Karimi, N.*, Richter, A., Ng, K. T. W. (In press) "Environmental and economic assessment of municipal landfill locations in Saskatchewan and Manitoba". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-193.

Karimi, N.*, Richter, A., Ng, K. T. W. (In press) "Temporal and spatial assessment of landfill gas emission near the City of Regina landfill". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-192.

Richter, A.*, Ng, K. T. W., Karimi, N. (In press) "Stacking different spatial statistics in a novel recursion algorithm to improve the design of waste management regions in Saskatchewan". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-188.

Richter, A.*, Ng, K. T. W., Karimi, N. (In press) "Optimizing waste management regions spanning inter-provincial boundaries". 2021 CSCE Annual Conference, Canada, May 26–29. Organized by Canadian Society for Civil Engineering. Manuscript ID: ENV-187. * Best Environmental Division student paper award (second place).*

Kabir, G.* and Ng, K. T. W. (2019) "Economic Efficiency Evaluation of Canadian Solid Waste Management Systems", First International Conference on Sustainability of Natural Resources: Sustainable Solid Waste Management, Saudi Arabia, Qassim, November 5–6, 2019

Richter, A.*, Karimi, N., Ng, K. T. W. (2019) "Integration of GIS, remote sensing, and diversion rates to assess the efficiency of landfilling regionalization in Noval Scotia, Canada". In Proceedings, Sardinia ’19, 17th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, September 30 – October 4. Edited by R. Cossu, P. He, P. Kjeldsen, Y. Matsufuji, and R. Stegmann, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy.

Fallah, B., Richter, A.*, Ng, K. T. W. (2019) "Optimization of weekly organic waste ANN prediction model using socioeconomic and climatic factors in Austin, TX". In Proceedings, Sardinia ’19, 17th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, September 30 – October 4. Edited by R. Cossu, P. He, P. Kjeldsen, Y. Matsufuji, and R. Stegmann, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy.

Karimi, N., Richter, A.*, Ng, K. T. W. (2019) "Improving the selection process for future landfills: An approach combining RS, GIS, and MCDA tools - applied for Vancouver, BC". In Proceedings, Sardinia ’19, 17th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, September 30 – October 4. Edited by R. Cossu, P. He, P. Kjeldsen, Y. Matsufuji, and R. Stegmann, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy.

Richter, A., Bolingbroke, D., Ng, K. T. W.* (2019) "Geographic Information Systems and Remote Sensing methods to evaluate Waste Management Regions in Nova Scotia". 2019 CSCE Annual Conference, Laval, Canada, June 12–June 15. Organized by Canadian Society for Civil Engineering. ID No. ENV-34.

Bolingbroke, D., Richter, A., Ng, K. T. W.* (2019) "Using the Diversion Size Indicator to evaluate Canadian Waste Management Systems". 2019 CSCE Annual Conference, Laval, Canada, June 12–June 15. Organized by Canadian Society for Civil Engineering. ID No. ENV-35.

Bolingbroke, D., Ng, K. T. W.*, Surendran, S. (2018). "On the nature of highway litter; a methodology and field study" In Proceedings, 2018 CSCE Annual Conference, Fredericton, Canada, June 13–June 16. Organized by Canadian Society for Civil Engineering. ID No. EN-31.

Vu, H. L., Bolingbroke, D., Ng, K. T. W.* (2018). "Service Constraints on a Simple GIS Based Curbside Waste Collection Model" In Proceedings, 2018 CSCE Annual Conference, Fredericton, Canada, June 13–June 16. Organized by Canadian Society for Civil Engineering. ID No. EN-30.

Pan, C.*, Ng, K. T. W., Richter, A. (2018). "Evaluation of the Performance and Profitability of Waste Businesses using Diversion Indices". The 33rd International Conference on Solid Waste Technology and Management, Annapolis, U.S.A., March 11–14, 2018.

Pan, C.* and Ng, K. T. W. (2018). "Multivariate Analysis and Hydrochemical Assessment of Groundwater at Regina Landfill Site". The 33rd International Conference on Solid Waste Technology and Management, Annapolis, U.S.A., March 11–14, 2018.

Richter, A.*, Ng, K. T. W., Bolingbroke, D. (2017) "Effects of government capital and operating expenditures on Nova Scotian recycling behaviors and diversion rates". In Proceedings, Sardinia ’17, 16th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, October 2–6. Edited by R. Cossu, P. He and P. Kjeldsen, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy.

Pan, C., Ng, K. T. W., Richter, A.* (2017) "Hydrochemical assessment of groundwater quality near Regina muncipal landfill". In Proceedings, Sardinia ’17, 16th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, October 2–6. Edited by R. Cossu, P. He and P. Kjeldsen, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy.

Richter, A.* and Ng, K. T. W. (2017) "Snow cover effects on active landfill gas collection systems in a semi-arid climate". In Proceedings, Sardinia ’17, 16th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, October 2–6. Edited by R. Cossu, P. He and P. Kjeldsen, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy.

Ng, K. T. W.* and Richter, A. (2017) "Cigarette butt waste management and smoking policy on campus" In Proceedings, 2017 CSCE Annual Conference, Vancouver, Canada, May 31–June 3. Organized by Canadian Society for Civil Engineering.

Richter, A. and Ng, K. T. W.* (2017) "Cross-correlating landfill gas quality with climatic factors at the City of Regina landfill." In Proceedings, 2017 CSCE Annual Conference, Vancouver, Canada, May 31–June 3. Organized by Canadian Society for Civil Engineering.

Asha, A.* and Ng, K. T. W. (2015) "Quantitative Assessment Of Residential And Non-Residential Solid Waste Generation In Alberta And British Columbia" In Proceedings, 2015 CSCE Annual Conference, Regina, Canada, May 27–30. Organized by Canadian Society for Civil Engineering.

Bruce, N.* and Ng, K. T. W. (2015) "User-Updatable Municipal Benchmark Database For The City Of Regina" In Proceedings, 2015 CSCE Annual Conference, Regina, Canada, May 27–30. Organized by Canadian Society for Civil Engineering. * Best Student Paper Award (First place) *

Chowdhury, A.* and Ng, K. T. W. (2015) "Descriptive Statistical Analysis On Paper, Plastic, And Glass Recycling In Ontario, Canada" In Proceedings, 2015 CSCE Annual Conference, Regina, Canada, May 27–30. Organized by Canadian Society for Civil Engineering.

Nesha, M.* and Ng, K. T. W. (2015) "Design Principles And Regulatory Requirements Of MSW Landfill Gas Management System In Western Canada" In Proceedings, 2015 CSCE Annual Conference, Regina, Canada, May 27–30. Organized by Canadian Society for Civil Engineering.

Bruce, N.*, Wang, Y., Ng, K. T. W. (2015) "A Province-Wide Comparison Of Non-Hazardous Waste Generation And Recycling Rates" In Proceedings, 2015 CSCE Annual Conference, Regina, Canada, May 27–30. Organized by Canadian Society for Civil Engineering.

Shrestha, R. P., Ng, K. T. W., Chowdhury, A.* (2015) "An Assessment Of The Waste Diversion Programs In Ontario, Canada" In Proceedings, 2015 CSCE Annual Conference, Regina, Canada, May 27–30. Organized by Canadian Society for Civil Engineering.

Karusala, L., Chan, C. W., Ng, K. T. W. (2012) "A Prototype of Decision Support System for Selection of Landfill Daily Cover", 27th International Conference on Solid Waste Technology and Management, Philadelphia, PA, USA. March 11 – 14, 2012.

Ng, K. T. W.* and Lo, I. M. C. (2008) "Evaluation of Lead Attenuation Through a Waste-Derived Synthetic Paste of Tire Chips and Paper Sludge". In Proceedings, 9thInternational Symposium on Environmental Geotechnology and Global Sustainable Development, Hong Kong SAR, China, June 1–4. Edited by A. Yeung and I. Lo, ATL, Hong Kong, 232–239.

Yip, T. C. M.*, Tsang, D. C. W., Ng, K. T. W., Lo, I. M. C. (2008) "Extraction of Heavy Metals by EDDS under Varying EDDS-to-Metal Molar Ratios". In Proceedings, 9th International Symposium on Environmental Geotechnology and Global Sustainable Development, Hong Kong, China, June 1–4. Edited by A. Yeung and I. Lo, ATL, Hong Kong, 137–147.

Ng, K. T. W.* and Lo, I. M. C. (2008) "Fines Migration from Landfill Soil Daily Cover to Leachate Collection System: its Significances and Implications". In Proceedings, International Conference on Waste Engineering and Management, Hong Kong, China, May 28–30. Co-organized by Canadian Society for Civil Engineering and The Hong Kong Institution of Engineers. (CD-ROM)

Lo, I. M. C., Yip, T. C. M., Tsang, D. C. W., Ng, K. T. W. (2008) "Batch kinetic study and sequential extraction of metals by metal-EDDS and free-EDDS under limited dosage". In Proceedings, 1st International Conference on Hazardous Waste Management, Chania, Greece, Oct 1–3. Co-organized by Technical University of Crete, Hamburg University of Technology, the University of Padova and International Waste Working Group. (CD-ROM)

Ng, K. T. W.* and Lo, I. M. C. (2007). "Engineering Properties of MSW Landfill Daily Covers using Waste Tire Chips and Paper Sludge". In Proceedings, Sardinia ’07, 11th International Waste Management and Landfill Symposium, Santa Margherita di Pula, Cagliari, Italy, October 1–5. Edited by R. Cossu, L. F. Diaz and R. Stegmann, CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy. (CD-ROM)

Stolle, D. F. E., Guo, P., Ng, K. T. W., Sedran G. (2004). "Finite Element Analysis of Slope Stability". In Proceedings, NUMOG IX, 9th International Symposium on Numerical Models in Geomechanics, Ottawa, Canada, August 25–27. Edited by S. Pietruszczak and G. N. Pande. A. A. Balkema, London, UK, 623–630.

TECHNICAL REPORTS, AND OTHER PUBLICATIONS

Wang, Z., Guy, C., Ng, K. T. W., An, C. (2021) “A new challenge for the management and disposal of personal protective equipment waste during the COVID-19 pandemic”. Sustainability, [Editorial], 13(13): 7034. https://doi.org/10.3390/su13137034

Richter, A. and Ng, K. T. W. (2020) "How does a pandemic change our waste disposal habits?". Technical Short Paper, Canadian Civil Engineer “CIVIL” magazine, Canadian Society for Civil Engineering, 37.3(Winter), p19. https://csce.ca/wp-content/uploads/2021/05/winter2020.pdf

Ng, K. T. W. and Richter, A. (2020) "The Use of WIM technology to develop a low-cost waste sensor unit (LWsensor)". A final report submitted to Innovation Saskatchewan and Saskatchewan Ministry of Environment. 22 pages

Richter, A. and Ng, K. T. W. (2018) "Using Remote Sensing & GIS to Rank Current Landfill Sites for Regionalization". Poster Presentation, Ground Security Workshop, December 4th, 2018. Travelodge Hotel & Conference Center, Regina

Richter, A. and Ng, K. T. W. (2018) "Landfill Regionalization: A strategic move for all provinces?". Technical Short Paper, Canadian Civil Engineer “CIVIL” magazine, Canadian Society for Civil Engineering, 35(4), Fall, 18-20. https://csce.ca/wp-content/uploads/2018/09/CIVIL_Fall2018_DE.pdf

Ng, K. T. W. (2018) "How do we build knowledge into better waste management system in Canada?". Comments from the Technical Editor, Canadian Civil Engineer “CIVIL” magazine, Canadian Society for Civil Engineering, 35(4), 14-15. https://csce.ca/wp-content/uploads/2018/09/CIVIL_Fall2018_DE.pdf

Ng, K. T. W., Richter, A. and Vu, H. L. (2018) "Spatial Distribution of Cigarette Litter and Smoking Policy – Final Report". Final report submitted to Sustainability and Community Engagement Fund (SCEF), University of Regina

Ng, K. T. W. and Richter, A. (2016) "Solar Intensity Assessment at the U of R Campus". Final report submitted to Sustainability and Community Engagement Fund (SCEF), University of Regina

Ng, K. T. W. and Richter, A. (2016) "The use of a solar-powered smart garbage bin system on campus". Final report submitted to Sustainability and Community Engagement Fund (SCEF), University of Regina

Ng, K. T. W. (2014) "Funding Proposal for ENEV 422 Solid Waste Laboratory", submitted to the Chair of Environmental Systems Engineering Program, University of Regina, Canada.

Jin, Y.C. and Ng, K. T. W. (2012) "Final report - Evaluation of Contaminant Transport and Gas Generation at the Regina Landfill using Electrical Resistivity Imaging Technique", submitted to Communities of Tomorrow – Partners for Sustainability Inc, SK.

Jin, Y.C. and Ng, K. T. W. (2012) "Interim report - Evaluation of Contaminant Transport and Gas Generation at the Regina Landfill using Electrical Resistivity Imaging Technique", submitted to Communities of Tomorrow – Partners for Sustainability Inc, SK.

Ng, K. T. W. (2010) "Waste-derived alternative daily cover". Hong Kong Engineer – The Journal of The Hong Kong Institution of Engineers, Vol. 38, 5:20.