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Scientific Papers

CUGE Research published the following scientific papers, cited from newest to oldest.

Last Updated on 19 July 2023


Olszewska-Guizzo, A., Sia, A., & Escoffier, N. (2023). Revised Contemplative Landscape Model (CLM): A reliable and valid evaluation tool for mental health-promoting urban green spaces. Urban Forestry & Urban Greening, 86, 128016.

Sia, A., Tan, P. Y., & Er, K.B.H. (2023). The contributions of urban horticulture to cities’ liveability and resilience: Insights from Singapore. PLANTS, PEOPLE, PLANET, ppp3.10377.


McGuigan, A., T. Ticktin, M. Tora, V. Tikonavuli, R. Dacks, and S. Quazi. (2022). Post-cyclone Resilience of an Agroforest-based Food System in the Pacific Islands. Regional Environmental Change 22:57.

Rakshit, A., Meena, V.S., Chakraborty, S., Sarkar, B. and Ghosh, S. (2022) Editorial: Adaptive Farming Sustainability Practices: Fundamentals to Advances. Frontiers in Sustainable Food Systems.

Luo, W., Lee, Y. H., Yucel, A.C., Ow, L. F., Yusof, M. L. M. (2022). SFCW GPR Tree Roots Detection Enhancement by Time Frequency Analysis in Tropical Areas. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Kuala Lumpur, Malaysia, 2022

Petrunoff, N. A., Edney, S., Yi, N. X., Dickens, B. L., Joel, K. R., Xin, W. N., Sia, A., Leong, D., van Dam, R. M., Cook, A. R., Sallis, J. F., Chandrabose, M., Owen, N., & Müller-Riemenschneider, F. (2022). Associations of Park Features With Park Use and Park-based Physical Activity in an Urban Environment in Asia: A Cross-Sectional Study. Health and Place, 75, 102790.

Rakshit, A., Ghosh, S., Vasenev, V., Pathak, H. and Rajput, V.D. (Eds.) (2022) Soils in Urban Ecosystem, Springer Publications (ISBN: 978-981-16-8914-7)

Dutta, A., Patra, A., Ghosh, S. and Rakshit, A. (2022) Urban Soil: A Review on Historical Perspective. In: Soils in Urban Ecosystem, Springer Publications (Rakshit A, Ghosh S, Vasenev V, Pathak H and Rajput VD Eds.), Springer Nature, Singapore, pp. 3-10.

Li, Y., Satyanaga, A., Rangarajan, S., Rahardjo, H., Lee, T-T. D. (2022). Unsaturated Properties of Singapore Urban Soils. In: Rakshit, A., Ghosh, S., Vasenev, V., Pathak, H., Rajput, V.D. (eds) Soils in Urban Ecosystem. Springer, Singapore.

Biswal, B. K., Vijayaraghavan, K., Lee, T-T. D., & Balasubramanian, R. (2022). Biochar-based Bioretention Systems for Removal of Chemical and Microbial Pollutants from Stormwater: A Critical Review. Journal of Hazardous Materials, 422, 126886.

Dai, Q., Lee, Y. H., Sun, H. H., Ow, L. F., Yusof, M. L. M., and Yucel, A.C. (2022) DMRF-UNet: A Two-stage Deep Learning Scheme for GPR Data Inversion Under Heterogeneous Soil Conditions. IEEE Trans. Antennas Propagat., 2022.

Hamdany, A. H., Shen, Y., Satyanaga, A., Rahardjo, H., Lee,T-T. D., and Nong, X. (2022). Field instrumentation for real-time measurement of soil-water characteristic curve, International Soil and Water Conservation Research, 2022

Kleine, M., Ghosh, S., Leitgeb, E., Berger, A., Ibrahim, H., T Gschwantner, T., Ow, L.F. and Michel, K. (2022) Variation in Soil Organic Carbon Stocks in Singapore with Forest Succession and Land Management. Journal Of Tropical Ecology, pp. 1-10.

Li, Y., Rahardjo, H., Satyanaga, A., Rangarajan, S., Lee, T-T. D. (2022). Soil Database Development in Singapore with the Application of Machine Learning Methods in Soil Properties Prediction. ENGEO-D-22-00264,

Luo, W., Lee, Y. H., Ow, L. F., Yusof, M. L. M., and Yucel, A. C. (2022). Accurate Tree Roots Positioning and Sizing Over Undulated Ground Surfaces by Common Offset GPR Measurements. IEEE Trans. Instrum. Meas., (in press), 2022.

Tan, D., Maiti, R., Tan, Y., Wong, B., Liew, Y., Tan, J., & Lee, T-T. D., Burcham, D. (2022). General Feasibility of Physical Models of Tree Branches. Frontiers in Forests and Global Change. 5. 835930. 10.3389/ffgc.2022.835930.

Dai, Q., Lee, Y. H., Sun, H.-H., Qian, J., Ow, L. F., Yusof, M. L., & Yucel, A. C. (2022). A Deep Learning-based GPR Forward Solver for Predicting B-scans of Subsurface Objects. IEEE Geoscience and Remote Sensing Letters, 19, 1–5.

Dai, Q., Lee, Y. H., Ow, L. F., Yusof, M. L. M., and A. C. Yucel. (2022). A Deep Learning-based Scheme for GPR Image Translation from Simulation to Measurement via a Conditional Generative Adversarial Network. IEEE International Symposium on Antennas & Propagation & USNC-URSI Radio Science Meeting, 2022.

Luo, W., Lee, Y. H., Ow, L. F., Yusof, M. L. M., and Yucel, A. C. (2022). Slice-Connection Clustering Algorithm for Tree Roots Recognition in Noisy 3D GPR Data. IEEE International Symposium on Antennas & Propagation & USNC-URSI Radio Science Meeting, 2022.

Qian, J., Lee, Y. H., Dai, Q., Cheng, K., He, Lee, T-T. D., Yucel, A.C. (2022). Rapid Health Assessment of Trees via Deep Learning-Augmented Radar. IEEE Int. Symp. Antennas Propagat., Denver, USA, 2022.

Oh, R.R.Y., Yuchen. Z., Nghiem, L.T.P., Chang. C.C., Tan. L.Y.C., Quazi. S.A., Shanahan. D.F., Lin. B.B., Gaston. K.J., Fuller. R.A., Carrasco. L.R. (2022). Connection to Nature and Time Spent in Gardens Predicts Social Cohesion. Urban Forestry & Urban Greening.

Sia, A. (2022). People-Nature Interactions and Well-being. HKBU International Conference on Environment & Human Health: Challenges & Opportunities in the 21st Century, August 18-19, 2022

He, X., Wang, Y., Tai, M. H., Lin, A., Owyong, Shawn., Li, X., Leong, K., Yusof, M. L. M., Ghosh, S., Wang, C-H. Integrated Applications of Water Hyacinth Biochar: A Circular Economy Case Study. Journal of Cleaner Production, vol 378.

Phuong, T.M.T., Kalairasan, M., Beshay, P.F.R., Qi, Y., Ow, L.F., Govindasamy, V., Yusof, M.L.M., Ghosh, S., Balasubramanian, R. (2022). Nature-Based Solution for Mitigation of Pedestrians’ Exposure to Airborne Particles of Traffic Origin in a Tropical City, Sustainable Cities and Society (2022),

Cheng K., Lee, Y. H., Qian, J,, Lee, T-T. D., Yusof, M.L.M., Yucel, A. C. (2022). Design of a Vivaldi Phased Array Antenna For Tree Trunk Scanning, Singapore Workshop on Antennas, 2022.

Lai, H.R., Chong, K.Y. & Yee, A.T.K. (2022) Ten Years After: What We Learned From the Mandai Storm Forest. Nature in Singapore Supplement 1: e2022121.

Olszewska-Guizzo, A., Sia, A., Fogel, A., & Ho, R. (2022). Features of Urban Green Spaces Associated With Positive Emotions, Mindfulness and Relaxation. Scientific Reports, 12(1).

Olszewska-Guizzo, A., Soh, A., Sia, A., Wright, J., & Seow, J. (2022). Design Guidelines for Contemplative Landscapes. National Parks Board. Sia, A. (2023). Promoting People-Nature Interactions, Enhancing Mental Well-being. 49th National Spanish Congress of Parks and Public Gardens, February 15-17, 2023

Sia, A., Tan, P. Y., Kim, Y. J., & Er, K. B. H. (2023). Use and Non-use of Parks Are Dictated by Nature Orientation, Perceived Accessibility and Social Norm Which Manifest in a Continuum. Landscape and Urban Planning, 235, 104758.

Olszewska-Guizzo, A., Fogel, A., Escoffier, N., Sia, A., Nakazawa, K., Kumagai, A., Dan, I., & Ho, R. (2022). Therapeutic Garden with Contemplative Features Induces Desirable Changes in Mood and Brain Activity in Depressed Adults. Frontiers in Psychiatry.

Sia, A., Tan, P.Y., Wong, J.C.M., Araib, S., Ang, W.F., & Er, K.B.H. (2022). The impact of gardening on mental resilience in times of stress: A case study during the COVID-19 pandemic in Singapore. Urban Forestry & Urban Greening, 68, 127448.


Park, S.H., Petrunoff, N.A., Wang, N.X., van Dam, R.M., Sia, A., Tan, C.S., Müller-Riemenschneider, F. (2022). Daily Park use, physical activity, and psychological stress: A study using smartphone-based ecological momentary assessment amongst a multi-ethnic Asian cohort. Mental Health and Physical Activity, 22, 100440.


Yap, K., Soh, M., Sia, A., Araib, S., Ang, W.P., Chin, W.J., Tan, P.Y., & Er, K.B.H. (2022). The Influence of the COVID-19 Pandemic on the Demand for Different Shades of Green. People and Nature.


Wang, Y., Tan, S.W., Yusof, M.L., Ghosh. S., & Lam. Y.M. (2022). Assessment of heavy metal and metalloid levels and screening potential of tropical plant species for phytoremediation in Singapore. Environmental Pollution, 295, 118681.


Ghosh, S., Yusof, M.L., He, X., & Wang, C.H. (2022). A circular economy approach for sustainable management of water hyacinth. 9th Annual Convention and National Webinar, Society for Fertilizers and Environment, February 25-26, 2022, pp. 209


Leitgeb, E., Kleine, M., Ibrahim, H., Mohamed, M.F., Lin, D.C.P., Yusof, M.L., Michel, K. and Ghosh, S. (2021). Soil Organic Carbon Stocks in Forests of Singapore. In:  Recarbonizing global soils: a technical manual of recommended management practices. Volume 6: Forestry, Wetlands, Urban Soils – Case-studies, FAO publication (In Press).


Gobeawan, L., Lin, S. E., Liu, X., Wong, S. T., Lim, C. W., Gaw, Y.-F. L., Wong, N. H., Tan, P. Y., Tan, C. L., & He, Y. (2021). IFC-centric vegetation modelling for bim. ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, VIII-4/W2-2021, 91–98.


Dai, Q.Q., Lee, Y.H., Ow, L.F., Yusof, M.L., & Yucel, A.C. (2021). A Two-Stage Deep Neural Network for Ground-Penetrating Radar Data Inversion under Heterogeneous Soil Conditions. IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.


Dai, Q.Q., Lee, Y.H., Ow, L.F., & Yusof, M.L., & Yucel, A.C. (2021). A Fast 2D GPR Forward Solver for Convex Objects Based on Deep Learning Techniques. IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.


Luo, W.H., Sun, H. H., Lee, Y.H., Ow, L.F., & Yusof, M.L., & Yucel, A.C. (2021). Tree Root Positioning in Heterogeneous Soil Environment Using GPR. 2021 IEEE USNC-URSI Radio Science Meeting (Joint with AP-S Symposium).


Dai, Q.Q., Lee, Y.H., Sun, H.H., Ow, L.F., & Yusof, M.L., & Yucel, A.C. (2021). A Deep Learning Scheme for Rapidly Reconstructing 3D Permittivity Maps from GPR C-scans. 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI).


Sun, H.H., Lee, Y.H., Ow, L.F., & Yusof, M.L., & Yucel, A.C. (2021). Elongated Object Orientation Estimation Based on Deep Neural Networks. 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI).


Varughese, P., George, E.R., Ghosh, S., & Yap, M.L. (2021). Nutrient Sufficiency Range of Soils and Plants in Singapore. In Rakshit, A., Singh, S.K., Abhilash, P.C. & Biswas, A. (Eds.), Soil Science: Fundamentals to Recent Advances (pp. 669-681). Singapore: Springer.


Oh, R.R.Y., Fielding, K.S., Chang, C.C., Nghiem, L.T.P., Tan, C.L., Quazi, S.A., Shanahan, D.F., Gaston, K.J., Carrasco, L.R., & Fuller, R.A. (2021). Health and wellbeing benefits from nature experiences in tropical settings depend on strength of connection to nature. International Journal of Environmental Research and Public Health 2021, 18(19), 10149.


Ow, L.F., & Chan, E. (2021). Deffering waterlogging through stormwater control and channelling of runoff. Urban Forestry & Urban Greening, 65, 127351.


Sun, H. -H., Lee, Y.H., Li, C., Ow, L.F., Yusof, M.L., & Yucel, A.C. (2021). The Orientation Estimation of Elongated Underground Objects via Multi-Polarization Aggregation and Selection Neural Network. IEEE Geoscience and Remote Sensing Letters, 19, 1-5.


Sun, H.H., Lee, Y.H., Luo, W., Yusof, M.L., Ow, L.F., & Yucel, A.C. (2021) Dual-Cross-Polarized GPR Measurement Method For Detection and Orientation Estimation of Shallowly Buried Elongated Object. IEEE Transactions on Instrumentation and Measurement, 70, 1-12.


Vijayaraghavan, K., Biswal, B.K., Adam, M.G., Soh, S.H., Tsen-Tieng, D.L., Davis, A.P., Hoe, C.S., Yok, T.P., Babovic, V., & Balasubramanian, R. (2021). Bioretention Systems for

Stormwater Management: Recent Advances and Future Prospects. Journal of Environmental Management, 292, 112766.


Kotze, D.J., Ghosh, S., Hui, N., Jumpponen, A., Lee, Y-.H.B., Lu, C., Lum, S., Pouyat, R., Szlavecz, K., Wardle, D., Yesilonis, I., Zheng, B., & Setälä, H. (2021). Urbanisation minimises the effects of plant traits on soil provisioned ecosystem services across climatic regions. Global Change Biology, 27(17), 4139-4153.


Fung, T.K., Richards, D.R., Leong, R.A.T., Ghosh, S., Tan, C.W.J., Drillet, Z., Leong, K.L. and Edwards, P.J. (2021). Litter decomposition and infiltration capacities in soils of different tropical urban land covers. Urban Ecosystems, 25(1), 21-34.

Stefaner, K., Ghosh, S., Yusof, M.L., Ibrahim, H., Leitgeb, E., Schindlbacher, A. and Kitzler, B. (2021). Soil greenhouse gas fluxes from a humid tropical forest and differently managed urban parkland in Singapore. Science of the Total Environment 786 (2021) 147305. Science of the Total Environment 786, 147305.

Biswal, B. K., Vijayaraghavan, K., Adam, M. G., Tsen-Tieng, D.L., Davis, A. P., & Balasubramanian, R. (2021). Biological nitrogen removal from stormwater in bioretention cells: A critical review. Critical Reviews in Biotechnology, 1-23.

Petrunoff, N. A., Yi, N. X., Dickens, B., Sia, A., Koo, J., Cook, A. R., Lin, W. H., Ying, L., Hsing, A. W., van Dam, R. M., & Müller-Riemenschneider, F. (2021). Associations of park access, park use and physical activity in parks with wellbeing in an Asian urban environment: a cross-sectional study. International Journal of Behavioral Nutrition and Physical Activity, 18(1). doi:10.1186/s12966-021-01147-2 

Petrunoff, N., Yao, J., Sia, A., Ng, A., Ramiah, A., Wong, M., Han, J., Tai, B. C., Uijtdewilligen, L., & Müller-Riemenschneider, F. (2021). Activity in nature mediates a park prescription intervention’s effects on physical activity, park use and quality of life: a mixed-methods process evaluation. BMC Public Health21(1), 204. doi:10.1186/s12889-021-10177-1

Li, F., He, X., Arora, S., Song, S., Tan, H. T. W., Sweeney, D. J., Ghosh, S., & Wang, C. H. (2021). Water hyacinth for energy and environmental applications: A review. Bioresource Technology, 327, 124809. doi:10.1016/j.biortech.2021.124809

Sun, H., Lee, Y. H., Luo, W., Ow, L. F., Yusof, M. L., & Yucel, A. C. (2021). Compact dual-polarized vivaldi antenna with high gain and high polarization purity for gpr applications. Sensors, 21(2), 503. doi:10.3390/s21020503

Rahardjo, H., Shen, H., Tsen-Tieng, D. L., Ramos-Rivera, J., Nong, X., & Hamdany, A. H. (2021). New Osmotic Tensiometer Development. Geotechnical Testing Journal, 44(6), 20190451. Published ahead of print, 01 November 2021, doi:10.1520/GTJ20190451

Kim, Y., Rahardjo, H., & Tsen-Tieng, D. L. (2021). Mechanical behavior of trees with structural defects under lateral load: A numerical modeling approach. Urban Forestry & Urban Greening, 59, 126987. doi:10.1016/j.ufug.2021.126987


Winter, K. B., T. Ticktin, and Quazi, S. A. (2020). Biocultural restoration in Hawaiʻi also achieves core conservation goals. Ecology and Society, 25(1):26. doi:10.5751/ES-11388-250126

Sia, A., Diehl, E. (2020). Nature-based Activities for Older Adults: A Case Study in Singapore. Journal of Therapeutic Horticulture, 30(1).

Sia, A., Tam, W.W.S., Fogel, A., Kua, E. H., Khoo, K. and Ho, R. C. M. (2020). Nature based activities improve the well being of older adults. Scientific Reports, 10(1). doi: 10.1038/s41598-020-74828-w.

Wong, G., Ng, K. S. T., Lee, J.L., Lim, P.Y., Chua3, S., Tan, C., Chua, M., Tan, J., Lee, S., Sia, A., Ng, M., Mahendran R., Kua, E. H., Ho R., Larbi, A. (2020). Horticultural Therapy Reduces Biomarkers of Immunosenescence and Inflammaging in Community-Dwelling Older Adults: A Feasibility Pilot Randomized Controlled Trial. The Journals of Gerontology: Series A. doi: 10.1093/gerona/glaa271

Chang, C., Oh, R. R. Y., Nghiem, T. P., Zhang, Y., Tan, C. L., Lin, B. B., . . . Carrasco, L. R. (2020). Life satisfaction linked to the diversity of nature experiences and nature views from the window. Landscape and Urban Planning, 202, 103874. doi: 10.1016/j.landurbplan.2020.103874

Yan, An., Wang, Yamin., Tan, Swee. Ngin., Yusof, M. L., Ghosh, S., Chen, Zhong. (2020). Phytoremediation: A Promising Approach For Revegetation of Heavy Metal-Polluted Land. Frontiers in Plant Science, doi: 10.3389/fpls.2020.00359

Wei, S., Yin, T., Dissegna, M. A., Whittle, A. J., Ow, L. F., Yusof, M. L.,…Gastellu-Etchegorry, J. (2020). An assement study of three indirect methods for estimating leaf area density and leaf area index of individual trees. Agriculture and Forest Meteorology, 292-293, 108101. doi: 10.1016/j.agrformet.2020.108101

Ow, L. F., Ghosh, S., & Yusof, M. L. (2020). Foliar nitrogen characteristics of two tropical tree species along urban roads and parklands. Urban Ecosystems. Doi: 10.1007/s11252-020-00960-0

Chan, W. L., Eng, Y., Ge, Z., Lim, C. W., Gobeawan, L., Poh, H. J., Wise, D. J., Burcham, D.C., Tsen-Tieng, D. L., Cui, Y., Khoo, B.C. (2020). Wind Loading on Scaled Down Fractal Tree Models of Major Urban Tree Species in Singapore. Forests, 11(8), 803.

Poh, H. J., Chan, W. L., Wise, D. J., Lim, C. W., Khoo, B. C., Gobeawan, L., Ge, Z., Eng, Y., Peng, J. X., Raghavan, V. S. G., Jadhav, S. S., Lou, J., Cui, Y. D., Lee, H. P., Burcham, D. C., Tsen-Tieng, D. L., Li, K. W., Lee, I. (2020). Wind load prediction on single tree with integrated approach of L-system fractal model, wind tunnel, and tree aerodynamic simulation. AIP Advances, 10(7), 075202.

Song, S., Arora, S., Laserna, A. K. C., Shen, Y., Thian, B. W. Y., Cheong, J. C., Tan, J. K. N., Chiam, Z., Fong, S. L., Ghosh, S., Ok, Y. S., Li, S. F. Y., Tan, H. T. W., Dai, Y., & Wang, C. H. (2020). Biochar for urban agriculture: impacts on soil chemical characteristics and on Brassica rapa growth, nutrient content and metabolism over multiple growth cycles. Science of the Total Environment, 727, 138742. doi:

Shen, Y., Song, S., Thian, B. W. Y., Fong, S. L., Ee, W. L. A., Arora, S., Ghosh, S., Li, S. F. Y., Tan, H. T. W., Dai, Y., & Wang, C. H. (2020). Impacts of biochar concentration on the growth performance of a leafy vegetable in a tropical city and its global warming potential. Journal of Cleaner Production, 264, 121678. doi:

Rakshit, A., Ghosh, S., Chakraborty, S., Varughese, P., & Datta, A. (Eds.) (2020). Soil Analysis: Recent trends and Applications, Springer publications.

Stella TWL, Swarup S, Ning MSS, Lim NQBI, Lin SPM, Jay TTB and Ghosh Subhadip (2020) Forensic Pedology: From Soil Trace Evidence to Courtroom. In: Soil Analysis: Recent trends and Applications (Rakshit A, Ghosh S, Chakraborty S, Varughese P and Datta A Eds.), pp. 305-323.

Ghosh, S., Edwards, P.J., Fung, T.K. (2020). Part 3: Urban Soils: Urban Soils and Soil Management. In: Edwards, P. J., Drillet, Z., Richards, D. R., Fung, T. K., Song, X. P., Leong, R. A. T., Gaw, L. Y. F., Yee, A. T. K., Quazi S. A., Ghosh, S., Chua, K. W. J. (eds) Ecosystem services in urban landscapes – benefits of tropical urban vegetation, pp. 26-31. Singapore: Published by Singapore-ETH Centre Future Cities Laboratory (FCL) in collaboration with National Parks Board (NParks), CUGE, Centre for Urban Greenery and Ecology.

Edwards, P J, Drillet Z, Richards DR, Fung TK, Song XP, Leong RAT, Gaw, LYF, Yee ATK, Quazi SA, Ghosh S, Chua KWJ (2020) Ecosystem services in urban landscapes – benefits of tropical urban vegetation. Singapore: Singapore-ETH Centre, Future Cities Laboratory.

Ow, L. F., Ghosh, S., Yusof, M. L. (2020). The Benefits of Tree Shade and Turf on Globe and Surface Temperatures in an Urban Tropical Environment. Arboriculture & Urban Forestry, 46(3):228-244.

Yan, An., Wang, Yamin., Tan, Swee. Ngin., Yusof, M. L., Ghosh, S., Chen, Zhong. (2020). Phytoremediation: A Promising Approach For Revegetation of Heavy Metal-Polluted Land. Frontiers in Plant Science, doi: 10.3389/fpls.2020.00359

Yee, A. T. K., Chong, K. Y., Seah, W. W., Lua, H. K., & Yang, S. (2019). Vegetation of Singapore. In Flora of Singapore 1 (pp 41-70). National Parks Board.

Chan, W. L., Cui, Y., Jadhav, S. S., Khoo, B. C., Lee, H. P., Lim, C. W. C., … Burcham, D. C. (2020). Experimental study of wind load on tree using scaled fractal tree model. International Journal of Modern Physics B, 2040087. doi: 10.1142/s0217979220400871

Müller-Riemenschneider, F., Petrunoff, N., Yao, J., Ng, A., Sia, A., Ramiah, A., Wong, M., Han, J., Tai, B. C., & Uijtdewilligen, L. (2020). Effectiveness of prescribing physical activity in parks to improve health and wellbeing - the park prescription randomized controlled trial. International Journal of Behavioral Nutrition and Physical Activity, 17(1). doi: 10.1186/s12966-020-00941-8

Kim, Y., Rahardjo, H., & Tsen-Tieng, D. L. (2020). Stability analysis of laterally loaded trees based on tree-root-soil interaction. Urban Forestry & Urban Greening, 49, 126639. doi: 10.1016/j.ufug.2020.126639

Zhu, X.-F., Lau, S.-K., Lu, Z., & Ow, L. F. (2020). Enhancement of sound absorption via vegetation with a metasurface substrate. Applied Acoustics, 165, 107309. doi: 10.1016/j.apacoust.2020.107309

Olszewska-Guizzo, A., Sia, A., Fogel, A., Ho, R. (Jan 2020). Can Exposure to Certain Urban Green Spaces Trigger Frontal Alpha Asymmetry in the Brain?—Preliminary Findings from a Passive Task EEG Study. International Journal of Environmental Research and Public Health, 17(2), 394. Doi: 10.3390/ijerph17020394

Ramos-Rivera, R., Rahardjo, H., Lee, D. T. T., Nong, X., & Fong, Y. K. (2020). Mechanical response of the real tree root architecture under lateral load. Canadian Journal of Forest Research, 1–13. doi: 10.1139/cjfr-2019-0332


Burcham, D. C., Autio, W. R., James, K., Modarres-Sadeghi, Y., & Kane, B. (2019). Effect of pruning type and severity on vibration properties and mass of Senegal mahogany (Khaya senegalensis) and rain tree (Samanea saman). Trees, 34(1), 213-228. doi: 10.1007/s00468-019-01912-8

Jackson, T., Shenkin, A., Moore, J., Bunce, A., van Emmerik, T., Kane, B., Burcham, D. C., James, K., Shelker, J., Calders, K., Origo, N., Disney, M., Burt, A., Wilkes, P., Raumonen, P., Gonzalez de Tanago Menaca, J., Lau, A., Herold, M., Goodman, R. C., Fourcaud, T., and Malhi, Y. (2019). An architectural understanding of natural sway frequencies in trees. Journal of The Royal Society Interface, 16(155). doi: 10.1098/rsif.2019.0116

Ghosh, S., Deb, S., Ow, L. F., Deb, D., & Yusof, M. L. (2019). Soil characteristics in an exhumed cemetery land in central Singapore. Environmental Monitoring and Assessment, 191(3). doi: 10.1007/s10661-019-7291-9

Leitgeb, E., Ghosh, S., Dobbs, M., Englisch, M., & Michel, K. (2019). Distribution of nutrients and trace elements in forest soils of Singapore. Chemosphere, 222, 62-70. doi: 10.1016/j.chemosphere.2019.01.106

Ow, L. F., Ghosh, S., & Yusof, M. L. (2019). Effects of waterlogged soil on N-uptake by flood tolerant and sensitive containerised tree seedlings. Arboricultural Journal: The International Journal of Urban Forestry. doi: 10.1080/03071375.2019.1642049

Ow, L.F., Ghosh, S., & Yusof, M.L. (2019). Growth of Samanea saman: Estimated cooling potential of this tree in an urban environment. Urban Forestry & Urban Greening. 41, 264-271. doi:10.1016/j.ufug.2019.03.021

Ng, T. K. S., Sia, A., Ng, M. K.-W., Kua, E.-H., & Ho, R., C.-M. (2019). Horticultural Therapy Improves Il-6 And Social Connectedness Differentially. Alzheimers & Dementia, 15(7). doi: 10.1016/j.jalz.2019.06.3649

Uijtdewilligen, L., Waters, C. N., Aw, S., Wong, M. L., Sia, A., Ramiah, A., Wong, M., Muller-Riemenschneider, F. (2019). The Park Prescription Study: Development of a community-based physical activity intervention for a multi-ethnic Asia population. PLOS One. doi: 10.1371/journal.pone.0218247

Ng, T. K. S., Wong, G. C. L., Lim, P. Y., Chua, S. K. J., Tan, C. T. Y., Sia, A., Ng, M. K.-W., Kua, E.-H, Ho, R., C.-M. & Larbi, A. (2019). Horticultural Therapy Delays Immunosenescence And Inflammaging In Older Adults. Alzheimers & Dementia, 15(7). doi: 10.1016/j.jalz.2019.06.4131

Sia, A., Kua, E. H., & Ho, R. (2019). Building Social Resilience Through Parks and Common Recreational Spaces. In C. H. Leong & L. C. Malone-Lee (Eds.), Building Resilient Neighbourhoods in Singapore: The Convergence of Policies, Research and Practice (pp. 51-62). Singapore: Springer. doi:10.1007/978-981-13-7048-9_4

Li, H., Lau, S. K., Ow, L. F., Xie, H. (2019, July). Soundwalking in a tropical city park: A pilot study in Singapore Botanic Gardens. Presented at 26th International Congress on Sound and Vibration, Montreal, Canada. Stefaner, K., Ghosh, S., Yusof, M. L., Ibrahim, H., Schindlbacher, A., Leitgeb, E., and Kitzler, B. (2019, April). Assessment of impacts of management practices on GHG emissions from Singapore soils. Presented at EGU General Assembly 2019, Vienna, Austria.

Ow, L. F., Ghosh, S., & Yusof, M. L. (2019). Effects of waterlogged soil on N-uptake by flood tolerant and sensitive containerised tree seedlings. Arboricultural Journal: The International Journal of Urban Forestry. doi: 10.1080/03071375.2019.1642049


Hwang, Y. H., Yue, Z. E., Ling, S. K., & Tan, H. H. (2019). It’s ok to be wilder: Preference for natural growth in urban green spaces in a tropical city. Urban Forestry & Urban Greening, 38, 165–176. doi:10.1016/j.ufug.2018.12.005 

Ng, K. S. T., Sia, A., Ng, M. K. W., Tan, T. Y C., Chan, H. Y., Tan, C. H., Rawtaer, I., Feng, L., Mahendran, R., Larbi, A., Kua, E. H., and Ho, R. C. M. (2018). Effects of Horticultural Therapy on Asian Older Adults: A Randomized Controlled Trial. Int. J. Environ. Res. Public Health 15, 1705.

Ow, L. F., & Yusof, M. L. (2018). Stability of four urban tree species in engineered and regular urban soil blends. Journal of Urban Ecology, 4 (1), 1-6. doi: 10.1093/jue/juy014

Müller-Riemenschneider F., Petrunoff N., Sia A., Ramiah A., Ng, A., Han, A., Wong, M., Tai, B.C., Uijtdewilligen, L. (2018). Prescribing Physical Activity in Parks to Improve Health and Wellbeing: Protocol of the Park Prescription Randomized Controlled Trial. International Journal of Environment and Public Health.

Ghosh, S., Pal, P., Ow, L. F., Burcham, D. C., & Rakshit, A. (2018). Effect of Compost and Hydroabsorbent Polymer on Tree Growth and Soil Properties in a Tropical Urban Environment. Communications in Soil Science and Plant Analysis49(10), 1229-1238.

Sia, A., Ng, K. S. T., Ng, M. K. W., Chan, H. Y. Tan, C. H., Rawtaer, I., Feng, L., Mahendran, R., Kua, E. H., Ho, R. C. M. (2018). The Effect of Therapeutic Horticulture on the Psychological Wellbeing of Elderly in Singapore. Journal of Therapeutic Horticulture 28(1).

Ghosh, S., Ow, L. F., and Yusof, M. L. (2018). Biochar application for sustainable soil quality: a case study in tropical urban environment. In: Soil Amendments for Sustainability: Challenges and Perspectives (Eds. Rakshit A, Sarkar B and Abhilash P) Chapter 23, CRC Press.


Ow, L. F., Yusof, M. L. (2018). Effects of localised liquid fertilization of N, P, K and Ca on root development in Zoysia matrellaCynodon dactylonand Stenotaphrum secundatum. Weed & Turfgrass Science, 7 (1). doi:10.5660/WTS.2018.7.1


Ow, L. F., Yusof, M. L. (2018). Mulch – Benefits relating to growth and water conservation in ornamental shrubs in a tropical environment. Journal of Botanical Sciences, 7(1).


Ow, L. F., Ghosh, S., Yusof, M. L. (2018). Effects of varying establishment approaches on the growth of urban street trees. Arboricultural Journal: The International Journal of Urban Forestry. doi:10.1080/03071375.2018.1528092


Stratoulias, D., Yin, T. G., Wei, S. S., Samatamantri, K. V., Xinran, S., Dissegna, A., Whittle, A. J., Ow, L. F., Yusof, M. L. (2018). Urban tree species and health identification in Singapore based on very high spatial resolution satellite images. Proceedings at the 2nd LIESMARS International Graduate Workshop on Geo-Informatics, Wuhan, China.


Neo, L., Yee, A. T., Chong, K. Y., Kee, C. Y., & Tan, H. T. (2017). Vascular plant species richness and composition in two types of post‐cultivation tropical secondary forest. Applied vegetation science20(4), 692-701.

Ow, L.F., & Ghosh, S. (2017). Growth of street trees in urban ecosystems: structural cells and structural soil. Journal of Urban Ecology, 3(1).

Ow, L.F., & Ghosh, S. (2017). Comparing the morphology and physiology of trees planted in containers and in-ground sites. Arboriculture Journal, 39(4), 198-207.

Yu, J.H., Ang, K.K., Ho, S.H., Sia, A., Ho, R. (Jul 2017). Prefrontal cortical activation while viewing urban and garden scenes: A pilot fNIRS study. Oral Presentation at 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Jeju Island. 

Ng, T. K S., Sia, A., Ng, M. K. W., Tan, C. T. Y., Chan, H. Y., Tan, C. H., Rawtaer, I., Feng, L., Mahendran, R., Larbi, A., Kua, E. H., & Ho, R. C. M. (2017, Jul). Effects of horticultural therapy on elderly’s health: protocol of a randomized controlled trial. Poster session presented at the Alzheimer’s Assoication International Conference, London, UK.

Chan, H. Y., Ho, R. C. M, Mahendran, R., Ng, K. S., Tam, W. W., Rawtaer, I., Tan, C. H., Larbi, A., Feng, L., Sia, A., Ng, M. K. W., Gan, G. L., Kua, E. H. (2017). Effects of horticultural therapy on elderly's health: protocol of a randomized controlled trial. BMC Geriatrics, 17(1). doi: 10.1186/s12877-017-0588-z

Ng, E. Y. X., Garg, K. M., Low, G. W., Chattopadhyay, B., Oh, R. R. Y., Lee, J. G. H., & Rheindt, F. E. (2017). Conservation genomics identifies impact of trade in a threatened songbird. Biological Conservation214, 101-108.

Oh, R. R. Y., Richards, D. R., & Yee A. T. K. (2018) Community-driven skyrise greenery in a dense tropical city provides biodiversity and ecosystem service benefits. Landscape and Urban Planning169, 115 - 123. 

Ghosh, S., & Yusof, M. L. (2017, May). Distribution, contamination and potential ecological risk assessment of heavy metals in tropical urban soils. Poster session presented at 9th International Congress Soils of Urban Industrial Traffic Mining and Military Areas (SUITMA), Moscow. 

Ow, L.F., & Ghosh, S. (2017). Urban tree growth and their dependency on infiltration rates in structural soil and structural cells. Urban Forestry & Urban Greening26, 41-47. doi:10.1016/j.ufug.2017.06.005.

Rahardjo, H., Amalia, N., Jian, D. W., Leong, E. C., Ow, L. F., Tan, P. Y. (2017). Effect of soil hydraulic properties on water infiltration of containerised soil. Landscape and Urban Planning165, 41-47.

Kua, E., Sia, A. (2017). Green Environment and Mental Health in the City. In Okkels, N., B. Kristiansen, C., M. Jorgensen, P. (Eds.), Mental Health and Illness in the City. Springer.

Vogt, C. A., Kho, C., & Sia, A. (2017). Urban Greening and Its Role in Fostering Human Well-Being. In Tan, P.Y. & Jim, C.Y. (Eds.), Greening Cities (pp. 95-111). Singapore: Springer.

Ow, L.F. & Ghosh, S. (2017). Performance of Three Warm Season Turfgrass under Linear Gradient Irrigation. Weed Turfgrass Science, 6 (1), 1-6.

Rakshit, A., Abhilash, P.C., Singh, H.B., Ghosh, S. (2017). Adaptive Soil Management: From Theory to Practices. S.I.: Springer.

Sharathkumar, M., Vivek, G., Jawaharlal, M., Ganga, M., Surakshitha, N. C. (2017). Influence of traffic stress on warm season turfgrass species under simulated traffic. Indian Journal of Agricultural Sciences 87 (1): 62-8.

Chin, S.W. (2017) Comparative performance of three tropical turfgrasses Digitaria longifloraAxonopus compressus and St. Augustinegrass under simulated shade conditions. Weed & Turfgrass Science 6 (1):1-6. doi: 

Chong, K. Y., Chong, R., Tan, L. W., Yee, A. T., Chua, M. A., Wong, K. M., & Tan, H. T. (2016). Seed production and survival of four dipterocarp species in degraded forests in Singapore. Plant Ecology & Diversity, 1-8.

Merriman, L. S., Moore, T. L. C., Wang, J. W., Osmond, D. L., Al-Rubaei, A. M., Smolek, A. P., ... & Hunt, W. F. (2017). Evaluation of factors affecting soil carbon sequestration services of stormwater wet retention ponds in varying climate zones. Science of The Total Environment583, 133-141.

Oh, R. R. Y., Friess, D. A., & Brown, B. M. (2017). The role of surface elevation in the rehabilitation of abandoned aquaculture ponds to mangrove forests, Sulawesi, Indonesia.Ecological Engineering,100, 325-334.

Ow, L. F. & Ghosh, S. (2017). Urban cities and road traffic noise: Reduction through vegetation. Applied Acoustics 120 (2017) 15 - 20.


Chong, K. Y., Chong, R., Tan, L. W., Yee, A. T., Chua, M. A., Wong, K. M., & Tan, H. T. (2016): Seed production and survival of four dipterocarp species in degraded forests in Singapore. Plant Ecology & Diversity 9(5-6), 483-490. doi:

Chin, S.W. and Ow. L.-F. (2016) Performance of Zoysia spp. and Axonopus compressus turf on turf-paver complex under simulated traffic. Weed & Turfgrass Science 5(2): 88-94. doi:

Richards, D. R., Passy, P., & Oh, R. R. (2017). Impacts of population density and wealth on the quantity and structure of urban green space in tropical Southeast Asia.Landscape and Urban Planning,157, 553-560. doi:

Ghosh, S., Scharenbroch, B. C., & Ow, L. F. (2016). Soil organic carbon distribution in roadside soils of Singapore. Chemosphere, 165, 163-172. doi: 10.1016/j.chemosphere.2016.09.028.

Kua, E.H., and Sia, A. (2016,  August 12). Green urbanism and mental health. The Straits Times. Retrieved from .

Rahardjo, H., Amalia, N., Leong, E.C., Harnas, F.R., Lee, T.T., & Fong, Y. K. (2016, August 08). Flux boundary measurements for the study of tree stability. Landscape and Ecological Engineering, DOI 10.1007/s11355-016-0303-9

Ng, T. K. S., Sia, A., Ng, M. K. W., Tan, C. T. Y., Chan, H. Y., Tan, C. H., Rawtaer, I., Feng, L., Mahendran, R., Larbi, A., Kua, E. H., & Ho, R. C. M. (2016, Jul). The effects of horticultural therapy on the psychological well-being and associated biomarkers of elderly in Singapore. Poster session presented in the Alzheimer’s Association International Conference, Toronto, CA.

Falk, R.M., Uijtdewilligen L., Sia, A. (2016, June). Park Prescription Study: using mixed-methods to develop a physical activity based intervention for a multi-ethnic Asian population. International Society of Behavioral Nutrition and Physical Activity (ISBNPA) Annual Conference, Cape Town.

Rahardjo, H., Gofar, N., Amalia, N., Leong, E. C., & Ow, L. F. (Jun 2016). Structural cell contribution to resistance of trees to uprooting. Trees - Structure & Function30(5), 1843-1853.

Sia, A., Ho, C.M., Ng, K.S., Rawtaer, I., Mahendran, R., Feng, L., Tan, C.H. , Larbi, A., Chan, H.Y., and Ng, K.W, and Kua, E.H. (2016, May). Horticultural Therapy for Mental Health of the Elderly - Protocol for a Randomized Controlled Trial. Poster session presented at the Annual Scientific Conference of Ageing, Singapore.

Chan, H.Y., Rawtaer, I., Mahendran, R., Lee, G.G., Feng, L., Sia, A., Kho, C. and Kua, E.H. (2016, May). A Preliminary Report on Dementia Prevention Programme for Community-living Elderly. Poster session presented at the Annual Scientific Conference of Ageing, Singapore.

Ghosh, S., Scharenbroch, B.C., Burcham, D. C., Ow L.F., Shenbagavalli S. & Mahimairaja S. (2016). Influence of soil properties on street tree attributes in Singapore. Urban Ecosystems 19: 949. doi: 10.1007/s11252-016-0530-8.


Ow, L. F., Ghosh, S. & Chin, S. W. (2015). Performance assessment of three turfgrass species in three different soil types, and their responses to water deficit in reinforced cells growing in the urban environment. Weed & Turfgrass Science 4 (4): 338-374. doi: 10.5660/WTS.2015.4.4.338.

Burcham, D. C., Wong, J.-Y., Ali, M. I. M., Abarrientos, N. V., Fong, Y.-K. and Schwarze, F. W. M. R. (2015). Characterization of host-fungus interactions among wood decay fungi associated with Khaya senegalensis (Desr.) A. Juss (Meliaceae) in Singapore. A. Juss (Meliaceae) in Singapore. Forest Pathology 45(6): 492–504. doi: 10.1111/efp.12199.

Harnas, F.R., Rahardjo, H., Leong, E.C., Tan, P.Y. & Ow, L.F. (2016). Stability of containerized urban street trees. Landscape and Ecological Engineering 12: 13. doi: 10.1007/s11355-015-0272-4.


I.M. Turner, A.D. Weerasoriya, R.M.K. Saunders and Ganesan, S.K. Annonaceae. In Tree Flora Of Sabah And Sarawak. 2014; 8: 1-215

L.F. Ow, S. Ghosh, E.K. Sim. Calculating the value of the tropical, urban tree Albizia saman. Arboricultural Journal: The International Journal of Urban Forestry. February 2014.

S. Ghosh, L.F. Ow & B. Wilson. Influence of biochar and compost on soil properties and tree growth in a tropical urban environment. International Journal of Environmental Science and Technology. January 2014.


Ganesan, S. K., 2013. Status and distribution of Pterospermum Species in Singapore. Nature in Singapore, 6:149-152. July 2013.

H. Rahardjo, F.R. Harnas, I.G.B. Indrawan, E.C. Leong, P.Y. Tan, Y.K. Fong, L.F. Ow. Understanding the stability of Samanea saman trees through tree pulling, analytical calculations and numerical models. Urban Forestry & Urban Greening. December 2013.

L.F. Ow, S. Ghosh, E.K. Sim. Mechanical injury and occlusion: An urban, tropical perspective. Urban Forestry & Urban Greening. 2013; 12(2): 255-261.

Sampath Kasthurirengan, Lifen Xie, Chun Hong Li, Yok King Fong, Yang Hong. In vitro propagation and assessment of genetic stability of micropropagated Samanea saman (rain tree) using microsatellite markers. Acta Physiologiae Plantarum, April 2013.

Puay Yok Tan, James Wang, Angelia Sia, Perspectives on five decades of the urban greening of Singapore, Cities, Volume 32, June 2013, Pages 24-32.

D.C. Burcham, E.C. Leong, Y.K. Fong, P.Y. Tan. Infrared Camera Measurements Reveal Diurnal Variation in the Effect of Mechanically Induced Internal Voids on Stem Temperatures of Small Trees Passively Heated by the Sun. Arboriculture & Urban Forestry. 2013. 39(1): 31–41.


D.C. Burcham, E.C. Leong, Y.K. Fong, P.Y. Tan. An Evaluation of Internal Defects and Their Effect on Trunk Surface Temperature in Casuarina equisetifolia L. (Casuarinaceae). Arboriculture & Urban Forestry. 2012; 38(6): 277-286.

L.F. Ow, E.K. Sim. Detection of urban tree roots with the ground penetrating radar. Plants Biosystems. 2012; 146: 288-297.

E.C. Leong, D.C. Burcham, Y.K. Fong,  A purposeful classification of tree decay detection tools. Arboricultural Journal: The International Journal of Urban Forestry. 2012; 34(2):91-115.

B. Michael, C.H. Poh. Safe design of skyrise greenery in Singapore. Smart and Sustainable Built Environment. 2012; 1(2): 186-205.

S. Ghosh, D. Yeo, B. Wilson, L. F. Ow. Application of char products improves urban soil quality. Soil Use and Management [n Press]. 2012; 28:329-336.

D. C. Burcham, E.C. Leong, Y.K. Fong, Passive infrared camera measurements demonstrate modest effect of mechanically induced internal voids on Dracaena fragrans stem temperature. Urban Forestry & Urban Greening. 2012; 11(2): 169-178.

*Ghosh S, Wilson BR, Ghoshal S.K, Senapati N, Mandal B. Organic  amendments influence soil quality and carbon sequestration in the Indo-Gangeic plains of India. Agriculture, Ecosystems and Environment 2012; 156: 437-447.


D. C. Burcham, S Ghosh, Y. K. Fong. Evaluating an infrared camera diagnostic technique for detecting mechanically induced internal voids in Syzygium grande. Arboriculture & Urban Forestry. 2011; 37(3): 93-98.

S. Ghosh, P. Lockwood, H. Daniel, N. Hulugalle, K. King, P. Kristiansen. Changes in Vertisol properties as affected by organic amendments application rates. Soil Use and Management. 2011; 27(2): 195–204.

L. F. Ow, T.Y. Yeo, E. K. Sim. Identification of drought-tolerant plants for roadside greening — An evaluation of chlorophyll fluorescence as an indicator to screen for drought tolerance. Urban Forestry & Urban Greening. 2011; 10(3); 177-184.

R. Kjelgren, Y. Trisurat, L. Puangchit, N. Baguinon, P.Y. Tan. Tropical street trees and climate uncertainty in Southeast Asia. HortScience. 2011; 46(2)

*Wilson B.R, Koen T.B,Barnes P, Ghosh S, King D. Soil carbon and related soil properties along a soil type and land-use intensity gradient, New South Wales Australia. Soil use and management 2011; 27: 195-204.


N.H. Wong, Y.K. Tan, P.Y. Tan, A. Sia N.C. Wong. Perception studies of vertical greenery systems in Singapore. J. Urban Plng. and Devel. 2010; 136(4): 330-338.

L.F. Ow, F.R. Harnas, I. G. B. Indrawan, A. Sahadewa, E.K. Sim, H. Rahardjo, E.C. Leong, Y.K. Fong, P.Y. Tan. Tree-pulling experiment: an analysis into the mechanical stability of rain trees. Trees - Structure and Function. 2010; 24(6): 1007-1015.

N.H. Wong, Y.K. Tan, Y. Chen, K. Sekar, P.Y. Tan, D. Chan, K. Chiang, N.C. Wong, Thermal evaluation of vertical greenery systems for building walls. Building and Environment. 2010; 45(3): 663-672.

N.H. Wong, Y.K. Tan, P.Y. Tan, K. Chiang, N.C. Wong, Acoustics evaluation of vertical greenery systems for building walls. Building and Environment. 2010; 45(2): 411-420.

K.B. Marcum, M. Pessarakli. Salinity tolerance of ryegrass turf cultivars. HortScience (in press). 2010; 45(12): 1882-1884

C. Li, Y.K. Fong, Y. Hong. Isolation and characterization of 13 polymorphic microsatellite loci for Khaya senegalensis (Meliaceae). Molecular Ecology Resources. 2010; 10: 1098–1105.

C. Li, M.H. Sman, Y.K. Fong, Y. Hong. Isolation and characterization of 18 polymorphic microsatellite loci for Pterocarpus indicus (Leguminosae). Molecular Ecology Resources. 2010; 10: 1098–1105.

Li, C, Y Fong and Y Hong et al. 2010. Isolation and characterization of 24 polymorphic microsatellite loci for the rain tree, Samanea saman (Leguminosae). Molecular Ecology Resources. 2010; 10: 751-754


N.H. Wong, Y.K. Tan, P.Y. Tan, N.C. Wong, Energy simulation of vertical greenery systems. Energy and Buildings. 2009; 41(12): 1401-1408.

H. Rahardjo, F.R. Harnas, E.C. Leong, P.Y. Tan, Y.K. Fong, E.K. Sim, Tree stability in an improved soil to withstand wind loading, Urban Forestry & Urban Greening. 2009; 8(4): 237-247.

P.Y. Tan, A. Sia. Understanding the performance of plants on non-irrigated green roofs in Singapore using a biomass yield approach. Nature in Singapore. 2009; 2: 149–153.


H. Rahardjo, I.G.B. Indrawan, E.C. Leong, W.K. Yong, Effects of coarse-grained material on hydraulic properties and shear strength of top soil. Engineering Geology. 2008; 101(3-4): 165-173.


N.H. Wong, P.Y. Tan, C. Yu. Study of thermal performance of extensive rooftop greenery systems in the tropical climate. Building and Environment. 2007; 42(1): 25-54.


N.H. Wong, S.J. Wong, G.T. Lim, C.L. Ong, A. Sia. Perception study of building professionals on the issues of green roof development in Singapore. Architectural Science Review. 2005; 48(3): 205-214.


N. H. Wong, D. K. W. Cheong, H. Yan, J. Soh, C. L. Ong, A. Sia, The effects of rooftop garden on energy consumption of a commercial building in Singapore, Energy and Buildings. 2003; 35(4): 353-364.

N.H. Wong, S.F. Tay, R. Wong, C.L. Ong, A. Sia, Life cycle cost analysis of rooftop gardens in Singapore, Building and Environment. 2003; 38(3): 499-509.

N.H. Wong, Yu Chen, C.L. Ong, A. Sia. Investigation of thermal benefits of rooftop garden in the tropical environment. Building and Environment. 2003; 38(2): 261-270.


N.H. Wong, V. L. Wong, Y. Chen, S. E. Lee, K. W. Cheong, G.T. Lim, C. L. Ong, A. Sia. The thermal effects of plants on buildings. Architectural Science Review. 2002; 45: 1-12.


*Denotes work undertaken by CUGE researcher in personal capacity, in collaboration with other organisations.