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Research Interest

  • Climate and Hydrology

  • Weather and Climate Extremes

  • Compound Extremes

  • Earth Observations

  • Remote Sensing Applications

  • Environmental Informatics

Research Project

  • PI, Incorporating Spatial Heterogeneity of Rainfall Response to Climate Change into the Design of Slope Drainage Provisions in Hong Kong, Public Policy Research (PPR) Funding Scheme, 2023–2024.

  • PI, Climate-Resilient Planning and Design for Coastal Stormwater Drainage Systems, Environment and Conservation Fund (ECF), 2022–2024.

  • PI, Integration of Emerging Flash Drought Risk into Hong Kong’s Climate Adaptation Planning and Environmental Policy, RILS Strategic Supporting Scheme, 2022–2024.

  • PI, Urban Flood Risk Assessment and Prediction Under Climate Change, Otto Poon Charitable Foundation Smart Cities Research Institute (SCRI) Fund, 2022–2023.

  • PI, Detection and Projection of Coastal Erosion Hotspots Driven by Extreme Sea Levels under a Changing Climate, RILS Strategic Supporting Scheme, 2021–2023.

  • PI, Integration of InSAR, GNSS, and Earth System Modeling Techniques for Predicting Future Change in Coastal Inundation Risk Due to the Combined Effect of Local Land Subsidence and Global Climate Change, LSGI Collaborative Research Grant, 2021–2023.

  • PI, Development of a Machine Learning Model for the Prediction of Extreme Storm Surges in Hong Kong, Undergraduate Research and Innovation Scheme (URIS), 2021–2022.

  • PI, Improving Robustness and Reliability of Hydroclimatic Projections through A New Multi-Model Ensemble Framework, Hong Kong Research Grants Council Early Career Scheme, 2020–2022.

  • PI, A Stochastic Multi-Model Ensemble Framework for Probabilistic Hydrological Forecasting, National Science Foundation of China, 2019–2021.

  • PI, Improving Urban Resilience to Projected Changes of Extreme Weather Events, Hong Kong Polytechnic University Start-up Fund, 2017–2020.

Media Coverage

Research Work

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Flash drought 2.JPG

Hydroclimatic Extreme

Selected Research Outputs:

  • Qing, Y. and Wang, S., Ancell, B., and Yang, Z-L. (2022) Accelerating flash droughts induced by the joint influence of soil moisture depletion and atmospheric aridity. Nature Communications, 13, 1139.

  • Li, X. and Wang, S. (2022) Recent increase in the occurrence of snow droughts followed by extreme heatwaves in a warmer world. Geophysical Research Letters, 49, e2022GL099925.

  • Chen, H. and Wang, S. (2022) Accelerated transition between dry and wet periods in a warming climate. Geophysical Research Letters, 49, e2022GL099766.

  • You, J. and Wang, S. (2021) Higher probability of occurrence of hotter and shorter heat waves followed by heavy rainfall. Geophysical Research Letters, 48, e2021GL094831.

  • Chen, H., Wang, S., Zhu, J., and Zhang, B. (2020) Projected changes in abrupt shifts between dry and wet extremes over China through an ensemble of regional climate model simulations. Journal of Geophysical Research: Atmospheres, 125, e2020JD033894.


Hydroclimatic Prediction

Selected Research Outputs:

  • Zhang, B., Wang, S., Moradkhani, H., Slater, L., and Liu, J. (2022) A vine copula-based ensemble projection of precipitation intensity-duration-frequency curves at sub-daily to multi-day time scales. Water Resources Research, 58, e2022WR032658.

  • Zhang, B., Wang, S., and Wang, Y. (2021) Probabilistic projections of multidimensional flood risks at a convection-permitting scale. Water Resources Research, 57, e2020WR028582.

  • Chen, H., Wang, S., Wang, Y., and Zhu, J. (2020) Probabilistic projections of hydrological droughts through convection-permitting climate simulations and multi-model hydrological predictions.  Journal of Geophysical Research: Atmospheres, 125, e2020JD032914.

  • Zhang, B., Wang, S., and Wang, Y. (2019) Copula‐based convection‐permitting projections of future changes in multivariate drought characteristics. Journal of Geophysical Research: Atmospheres, 124, 7460–7483.

  • Wang, S., Ancell, B.C., Huang, G.H., and Baetz, B.W. (2018) Improving robustness of hydrologic ensemble predictions through probabilistic pre- and post-processing in sequential data assimilation. Water Resources Research, 54, 2129–2151.


Coastal Hazard and Risk Assessment

Selected Research Outputs:

  • Zhang, B. and Wang, S. (2021) Probabilistic characterization of extreme storm surges induced by tropical cyclones. Journal of Geophysical Research: Atmospheres, 126, e2020JD033557.

  • Carvalho, K.S. and Wang, S. (2019) Characterizing the Indian Ocean sea level changes and potential coastal flooding impacts. Journal of Hydrology, 569, 373–386.


Heat Stress and Temperature Extreme

Selected Research Outputs:

  • Zhu, J., Wang, S., and Fischer E.M. (2022) Increased occurrence of day-night hot extremes in a warming climate. Climate Dynamics, 59, 1297–1307.

  • Zhu, J., Wang, S., Wang, D., Zeng, X., Cai, Y., and Zhang, B. (2021) Upholding labor productivity with intensified heat stress: Robust planning for adaptation to climate change under uncertainty. Journal of Cleaner Production, 322,

  • Zhu, J., Wang, S., Zhang, B., and Wang, D. (2021) Adapting to changing labor productivity as a result of intensified heat stress in a changing climate. GeoHealth, 4, e2020GH000313.

  • Wang, S. and Zhu, J. (2020) Amplified or exaggerated changes in perceived temperature extremes under global warming. Climate Dynamics, 54, 117–127.

  • Zhu, J., Wang, S., and Huang, G. (2019) Assessing climate change impacts on human-perceived temperature extremes and underlying uncertainties. Journal of Geophysical Research: Atmospheres, 124, 3800–3821.

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