Articles | Volume 30, issue 6
https://doi.org/10.5194/hess-30-1625-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-1625-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
A highly generalizable data-driven model for spatiotemporal urban flood dynamics real-time forecasting based on coupled CNN and ConvLSTM
Wangqi Lou
State Key Laboratory of Water Cycle and Water Security, Beijing, 100038, Beijing, China
China Institute of Water Resources and Hydropower Research, Yuyuantan South Road, Haidian District, Beijing, 100038, Beijing, China
Xichao Gao
CORRESPONDING AUTHOR
State Key Laboratory of Water Cycle and Water Security, Beijing, 100038, Beijing, China
China Institute of Water Resources and Hydropower Research, Yuyuantan South Road, Haidian District, Beijing, 100038, Beijing, China
Joseph Hun Wei Lee
Macau University of Science and Technology, Avenida WaiLong, Taipa, Macau, 999078, Macau, China
Jiahong Liu
State Key Laboratory of Water Cycle and Water Security, Beijing, 100038, Beijing, China
China Institute of Water Resources and Hydropower Research, Yuyuantan South Road, Haidian District, Beijing, 100038, Beijing, China
Lirong Dong
Macau University of Science and Technology, Avenida WaiLong, Taipa, Macau, 999078, Macau, China
Kai Gao
State Key Laboratory of Water Cycle and Water Security, Beijing, 100038, Beijing, China
China Institute of Water Resources and Hydropower Research, Yuyuantan South Road, Haidian District, Beijing, 100038, Beijing, China
Related authors
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Xichao Gao, Zhiyong Yang, Dawei Han, Kai Gao, and Qian Zhu
Hydrol. Earth Syst. Sci., 25, 6023–6039, https://doi.org/10.5194/hess-25-6023-2021, https://doi.org/10.5194/hess-25-6023-2021, 2021
Short summary
Short summary
We proposed a theoretical framework and conducted a laboratory experiment to understand the relationship between wind and the rainfall–runoff process in urban high-rise building areas. The runoff coefficient (relating the amount of runoff to the amount of precipitation received) found in the theoretical framework was close to that found in the laboratory experiment.
Cited articles
Aas, K., Jullum, M., and Løland, A.: Explaining individual predictions when features are dependent: More accurate approximations to Shapley values, Artif. Intell., 298, 103502, https://doi.org/10.1016/j.artint.2021.103502, 2021. a
Adadi, A. and Berrada, M.: Peeking inside the black-box: a survey on explainable artificial intelligence (XAI), IEEE Access, 6, 52138–52160, https://doi.org/10.1109/ACCESS.2018.2870052, 2018. a
Aderyani, F. R., Jafarzadegan, K., and Moradkhani, H.: A surrogate machine learning modeling approach for enhancing the efficiency of urban flood modeling at metropolitan scales, Sustain. Cities Soc., 123, 106277, https://doi.org/10.1016/j.scs.2025.106277, 2025. a
Ahmad, R., Yang, B., Ettlin, G., Berger, A., and Rodríguez-Bocca, P.: A machine-learning based ConvLSTM architecture for NDVI forecasting, Int. T. Oper. Res., 30, 2025–2048, https://doi.org/10.1111/itor.12887, 2023. a
Altieri, M., Ceci, M., and Corizzo, R.: An end-to-end explainability framework for spatio-temporal predictive modeling, Machine Learning, 114, https://doi.org/10.1007/s10994-024-06733-6, 2025. a
Anastasiou, K. and Chan, C.: Solution of the 2D shallow water equations using the finite volume method on unstructured triangular meshes, International Journal for Numerical Methods in Fluids, 24, 1225–1245, https://doi.org/10.1002/(SICI)1097-0363(19970615)24:11<1225::AID-FLD540>3.0.CO;2-D, 1997. a
Balaian, S. K., Sanders, B. F., and Abdolhosseini Qomi, M. J.: How urban form impacts flooding, Nat. Commun., 15, 6911, https://doi.org/10.1038/s41467-024-50347-4, 2024. a
Baltrušaitis, T., Ahuja, C., and Morency, L.-P.: Multimodal machine learning: A survey and taxonomy, IEEE T. Pattern Anal., 41, 423–443, https://doi.org/10.1109/TPAMI.2018.2798607, 2018. a
Bentivoglio, R., Isufi, E., Jonkman, S. N., and Taormina, R.: Rapid spatio-temporal flood modelling via hydraulics-based graph neural networks, Hydrol. Earth Syst. Sci., 27, 4227–4246, https://doi.org/10.5194/hess-27-4227-2023, 2023. a
Berkhahn, S., Fuchs, L., and Neuweiler, I.: An ensemble neural network model for real-time prediction of urban floods, J. Hydrol., 575, 743–754, https://doi.org/10.1016/j.jhydrol.2019.05.066, 2019. a, b
Beven, K.: Robert E. Horton's perceptual model of infiltration processes, Hydrol. Process., 18, 3447–3460, https://doi.org/10.1002/hyp.5740, 2004. a
Cai, B. and Yu, Y.: Flood forecasting in urban reservoir using hybrid recurrent neural network, Urban Climate, 42, 101086, https://doi.org/10.1016/j.uclim.2022.101086, 2022. a
Cao, X., Wang, B., Yao, Y., Zhang, L., Xing, Y., Mao, J., Zhang, R., Fu, G., Borthwick, A. G., and Qin, H.: U-RNN high-resolution spatiotemporal nowcasting of urban flooding, J. Hydrol., 659, 133117, https://doi.org/10.1016/j.jhydrol.2025.133117, 2025. a
Chen, C., Chen, X., and Cheng, H.: On the over-smoothing problem of cnn based disparity estimation, in: Proceedings of the IEEE/CVF International Conference on Computer Vision, 8997–9005, https://doi.org/10.1109/ICCV.2019.00909, 2019. a
Chen, G., Hou, J., Hu, Y., Wang, T., Yang, S., and Gao, X.: Simulated investigation on the impact of spatial–temporal variability of rainstorms on flash flood discharge process in small watershed, Water Resour. Manag., 37, 995–1011, https://doi.org/10.1007/s11269-022-03398-5, 2023. a
Chen, Z., Yin, L., Chen, X., Wei, S., and Zhu, Z.: Research on the characteristics of urban rainstorm pattern in the humid area of Southern China: A case study of Guangzhou City, Int. J. Climatol., 35, 4370–4386, https://doi.org/10.1002/joc.4294, 2015. a
Dai, W. and Cai, Z.: Predicting coastal urban floods using artificial neural network: The case study of Macau, China, Applied Water Science, 11, https://doi.org/10.1007/s13201-021-01448-8, 2021. a
De Mijolla, D., Frye, C., Kunesch, M., Mansir, J., and Feige, I.: Human-interpretable model explainability on high-dimensional data, arXiv [preprint], https://doi.org/10.48550/arXiv.2010.07384, 2020. a
Dong, L., Liu, J., Zhou, J., Mei, C., Wang, H., Wang, J., Shi, H., and Nazli, S.: The influence of astronomical tide phases on urban flooding during rainstorms: Application to Macau, Journal of Hydrology: Regional Studies, 56, https://doi.org/10.1016/j.ejrh.2024.101998, 2024. a, b, c
Fereshtehpour, M., Esmaeilzadeh, M., Alipour, R. S., and Burian, S. J.: Impacts of DEM type and resolution on deep learning-based flood inundation mapping, Earth Sci. Inform., 17, 1125–1145, https://doi.org/10.1007/s12145-024-01239-0, 2024. a
Fu, G., Zhang, C., Hall, J. W., and Butler, D.: Are sponge cities the solution to China's growing urban flooding problems?, Wiley Interdisciplinary Reviews: Water, 10, e1613, https://doi.org/10.1002/wat2.1613, 2023. a
Gao, Y., Hu, Z., Chen, W.-A., Liu, M., and Ruan, Y.: A revolutionary neural network architecture with interpretability and flexibility based on Kolmogorov–Arnold for solar radiation and temperature forecasting, Appl. Energ., 378, 124844, https://doi.org/10.1016/j.apenergy.2024.124844, 2025. a
Gülbaz, S., Boyraz, U., and Kazezyılmaz-Alhan, C. M.: Investigation of overland flow by incorporating different infiltration methods into flood routing equations, Urban Water J., 17, 109–121, https://doi.org/10.1080/1573062X.2020.1748206, 2020. a
Guo, Z., Leitao, J. P., Simões, N. E., and Moosavi, V.: Data-driven flood emulation: Speeding up urban flood predictions by deep convolutional neural networks, J. Flood Risk Manag., 14, e12684, https://doi.org/10.1111/jfr3.12684, 2021. a
Hou, J., Zhou, N., Chen, G., Huang, M., and Bai, G.: Rapid forecasting of urban flood inundation using multiple machine learning models, Nat. Hazards, 108, 2335–2356, https://doi.org/10.1007/s11069-021-04782-x, 2021. a, b
Huang, F., Zhang, Y., Zhang, Y., Shangguan, W., Li, Q., Li, L., and Jiang, S.: Interpreting Conv-LSTM for spatio-temporal soil moisture prediction in China, Agriculture, 13, 971, https://doi.org/10.3390/agriculture13050971, 2023. a
Hyndman, R. J. and Koehler, A. B.: Another look at measures of forecast accuracy, Int. J. Forecasting, 22, 679–688, https://doi.org/10.1016/j.ijforecast.2006.03.001, 2006. a
Jiang, W., Yu, J., Wang, Q., and Yue, Q.: Understanding the effects of digital elevation model resolution and building treatment for urban flood modelling, Journal of Hydrology: Regional Studies, 42, 101122, https://doi.org/10.1016/j.ejrh.2022.101122, 2022. a
Kratzert, F., Klotz, D., Shalev, G., Klambauer, G., Hochreiter, S., and Nearing, G.: Towards learning universal, regional, and local hydrological behaviors via machine learning applied to large-sample datasets, Hydrol. Earth Syst. Sci., 23, 5089–5110, https://doi.org/10.5194/hess-23-5089-2019, 2019. a
Krizhevsky, A., Sutskever, I., and Hinton, G. E.: ImageNet classification with deep convolutional neural networks, Commun. ACM, 60, 84–90, https://doi.org/10.1145/3065386, 2017. a
Lecun, Y., Bottou, L., Bengio, Y., and Haffner, P.: Gradient-based learning applied to document recognition, P. IEEE, 86, 2278–2324, https://doi.org/10.1109/5.726791, 1998. a
Liao, Y., Wang, Z., Yu, H., Gao, W., Zeng, Z., Li, X., and Lai, C.: Accelerating urban flood inundation simulation under spatio-temporally varying rainstorms using ConvLSTM deep learning model, Water Resour. Res., 61, e2025WR040433, https://doi.org/10.1029/2025WR040433, 2025. a, b, c
Lin, Z., Li, M., Zheng, Z., Cheng, Y., and Yuan, C.: Self-attention convlstm for spatiotemporal prediction, in: Proceedings of the AAAI conference on artificial intelligence, vol. 34, 11531–11538, https://doi.org/10.1609/aaai.v34i07.6819, 2020. a
Liu, L., Liang, X., Xu, Y.-P., Guo, Y., Wang, Q. J., and Gu, H.: Enhanced rainfall nowcasting of tropical cyclone by an interpretable deep learning model and its application in real-time flood forecasting, J. Hydrol., 644, 131993, https://doi.org/10.1016/j.jhydrol.2024.131993, 2024. a
Löwe, R., Böhm, J., Jensen, D. G., Leandro, J., and Rasmussen, S. H.: U-FLOOD – Topographic deep learning for predicting urban pluvial flood water depth, J. Hydrol., 603, https://doi.org/10.1016/j.jhydrol.2021.126898, 2021. a
Lu, M., Jin, C., Yu, M., Zhang, Q., Liu, H., Huang, Z., and Dong, T.: MCGLN: A multimodal ConvLSTM-GAN framework for lightning nowcasting utilizing multi-source spatiotemporal data, Atmos. Res., 297, 107093, https://doi.org/10.1016/j.atmosres.2023.107093, 2024. a
Lundberg, S.: A unified approach to interpreting model predictions, arXiv [preprint], https://doi.org/10.48550/arXiv.1705.07874, 2017. a, b
lwq777: lwq777/coupled-CNN-and-ConvLSTM: version1.1, Zenodo [code], https://doi.org/10.5281/zenodo.19224402, 2026. a
Moishin, M., Deo, R. C., Prasad, R., Raj, N., and Abdulla, S.: Designing Deep-Based Learning Flood Forecast Model With ConvLSTM Hybrid Algorithm, IEEE Access, 9, 50982–50993, https://doi.org/10.1109/ACCESS.2021.3065939, 2021. a
Muckley, L. and Garforth, J.: Multi-input convlstm for flood extent prediction, in: International Conference on Pattern Recognition, 75–85, Springer, https://doi.org/10.1007/978-3-030-68780-9_8, 2021. a
Muthusamy, M., Casado, M. R., Butler, D., and Leinster, P.: Understanding the effects of Digital Elevation Model resolution in urban fluvial flood modelling, J. Hydrol., 596, 126088, https://doi.org/10.1016/j.jhydrol.2021.126088, 2021. a
Nash, J. and Sutcliffe, J.: River flow forecasting through conceptual models part I – A discussion of principles, J. Hydrol., 10, 282–290, https://doi.org/10.1016/0022-1694(70)90255-6, 1970. a
Nicora, G., Rios, M., Abu-Hanna, A., and Bellazzi, R.: Evaluating pointwise reliability of machine learning prediction, J. Biomed. Inform., 127, 103996, https://doi.org/10.1016/j.jbi.2022.103996, 2022. a
Papernot, N., McDaniel, P., Goodfellow, I., Jha, S., Celik, Z. B., and Swami, A.: Practical black-box attacks against machine learning, in: Proceedings of the 2017 ACM on Asia conference on computer and communications security, 506–519, https://doi.org/10.1145/3052973.3053009, 2017. a
Piadeh, F., Behzadian, K., Chen, A. S., Campos, L. C., Rizzuto, J. P., and Kapelan, Z.: Event-based decision support algorithm for real-time flood forecasting in urban drainage systems using machine learning modelling, Environ. Modell. Softw., 167, 105772, https://doi.org/10.1016/j.envsoft.2023.105772, 2023. a
Ronneberger, O., Fischer, P., and Brox, T.: U-net: Convolutional networks for biomedical image segmentation, in: International Conference on Medical image computing and computer-assisted intervention, Springer, 234–241, https://doi.org/10.1007/978-3-319-24574-4_28, 2015. a
Rossman, L. A. and Huber, W. C.: Storm Water Management Model Reference Manual Volume II – Hydraulics, Tech. Rep. EPA/600/R-17/111, U.S. Environmental Protection Agency, Office of Research and Development, Washington, DC, USA, https://www.epa.gov/water-research/storm-water-management-model-swmm#documents (last access: 3 July 2025), 2017. a
Rudin, C.: Stop explaining black box machine learning models for high stakes decisions and use interpretable models instead, Nature Machine Intelligence, 1, 206–215, https://doi.org/10.48550/arXiv.1811.10154, 2019. a
Saleem, R., Yuan, B., Kurugollu, F., Anjum, A., and Liu, L.: Explaining deep neural networks: A survey on the global interpretation methods, Neurocomputing, 513, 165–180, https://doi.org/10.1016/j.neucom.2022.09.129, 2022. a
Savitha, S., Vennila, V., Rajivkannan, A., Sathyaseelan, G., Sathyamoorthy, M., and Vasanth, V.: Hybrid Model with SHAP-Enhanced Deep Neural Networks for Accurate Short-Term Rainfall, in: International Conference on Sustainability Innovation in Computing and Engineering (ICSICE 2024), Atlantis Press, 710–719, https://doi.org/10.2991/978-94-6463-718-2_61, 2025. a
Sayed, B. T., Al-Mohair, H. K., Alkhayyat, A., Ramírez-Coronel, A. A., and Elsahabi, M.: Comparing machine-learning-based black box techniques and white box models to predict rainfall-runoff in a northern area of Iraq, the Little Khabur River, Water Sci. Technol., 87, 812–822, https://doi.org/10.2166/wst.2023.014, 2023. a
Schaefer, J. T.: The Critical Success Index as an Indicator of Warning Skill, Weather Forecast., 5, 570–575, https://doi.org/10.1175/1520-0434(1990)005<0570:TCSIAA>2.0.CO;2, 1990. a
Seleem, O., Ayzel, G., Bronstert, A., and Heistermann, M.: Transferability of data-driven models to predict urban pluvial flood water depth in Berlin, Germany, Nat. Hazards Earth Syst. Sci., 23, 809–822, https://doi.org/10.5194/nhess-23-809-2023, 2023. a
Shi, X., Chen, Z., Wang, H., Yeung, D.-Y., Wong, W.-K., and Woo, W.-c.: Convolutional LSTM network: A machine learning approach for precipitation nowcasting, Adv. Neur. In., 28, https://doi.org/10.48550/arXiv.1506.04214, 2015. a, b, c
Sit, M., Demiray, B. Z., Xiang, Z., Ewing, G. J., Sermet, Y., and Demir, I.: A comprehensive review of deep learning applications in hydrology and water resources, Water Sci. Technol., 82, 2635–2670, https://doi.org/10.2166/wst.2020.369, 2020. a
Situ, Z., Wang, Q., Teng, S., Feng, W., Chen, G., Zhou, Q., and Fu, G.: Improving urban flood prediction using LSTM-DeepLabv3+ and Bayesian optimization with spatiotemporal feature fusion, J. Hydrol., 630, https://doi.org/10.1016/j.jhydrol.2024.130743, 2024. a
Slater, L., Blougouras, G., Deng, L., Deng, Q., Ford, E., Hoek van Dijke, A., Huang, F., Jiang, S., Liu, Y., Moulds, S., et al.: Challenges and opportunities of ML and explainable AI in large-sample hydrology, Philos. T. R. Soc. A, 383, https://doi.org/10.1098/rsta.2024.0287, 2025. a
Vaswani, A., Shazeer, N., Parmar, N., Uszkoreit, J., Jones, L., Gomez, A. N., Kaiser, Ł., and Polosukhin, I.: Attention is all you need, Advances in Neural Information Processing Systems, 30, 5998–6008, https://doi.org/10.48550/arXiv.1706.03762, 2017. a
Wang, L., Dai, L., and Sun, L.: ConvLSTM-based spatiotemporal and temporal processing models for chaotic vibration prediction of a microbeam, Commun. Nonlinear Sci., 140, 108411, https://doi.org/10.1016/j.cnsns.2024.108411, 2025. a
Wang, Y., Li, C., Liu, M., Cui, Q., Wang, H., Lv, J., Li, B., Xiong, Z., and Hu, Y.: Spatial characteristics and driving factors of urban flooding in Chinese megacities, J. Hydrol., 613, 128464, https://doi.org/10.1016/j.jhydrol.2022.128464, 2022. a
Wang, Z., Chen, Y., Zeng, Z., Chen, X., Li, X., Jiang, X., and Lai, C.: A tight coupling model for urban flood simulation based on SWMM and TELEMAC-2D and the uncertainty analysis, Sustain. Cities Soc., 114, 105794, https://doi.org/10.1016/j.scs.2024.105794, 2024a. a
Wang, Z., Lyu, H., Fu, G., and Zhang, C.: Time-guided convolutional neural networks for spatiotemporal urban flood modelling, J. Hydrol., 645, 132250, https://doi.org/10.1016/j.jhydrol.2024.132250, 2024b. a, b
Willmott, C. J.: On the Validation of Models, Phys. Geogr., 2, 184–194, https://doi.org/10.1080/02723646.1981.10642213, 1981. a
Xiao, J., Wang, Z., Liao, Y., Yi, Y., Zheng, L., Yang, B., Yu, H., Li, X., Hu, N., and Lai, C.: A ConvLSTM-Based Model for Urban Flood Prediction Under Dynamic Rainfall Patterns and Exploration on Its Extrapolation Capability, Int. J. Disast. Risk Sc., 1–17, https://doi.org/10.1007/s13753-025-00685-8, 2025. a
Xu, B. and Yang, G.: Interpretability research of deep learning: A literature survey, Inform. Fusion, 115, 102721, https://doi.org/10.1016/j.inffus.2024.102721, 2025. a
Xu, L. and Gao, L.: A hybrid surrogate model for real-time coastal urban flood prediction: An application to Macao, J. Hydrol., 642, 131863, https://doi.org/10.1016/j.jhydrol.2024.131863, 2024. a
Xu, Q., De Vos, L. F., Shi, Y., Rüther, N., Bronstert, A., and Zhu, X. X.: Urban flood modeling and forecasting with deep neural operator and transfer learning, J. Hydrol., 133705, https://doi.org/10.1016/j.jhydrol.2025.133705, 2025. a
Yang, F., Ding, W., Zhao, J., Song, L., Yang, D., and Li, X.: Rapid urban flood inundation forecasting using a physics-informed deep learning approach, J. Hydrol., 643, 131998, https://doi.org/10.1016/j.jhydrol.2024.131998, 2024. a
Yang, Y. and Chui, T. F. M.: Reliability assessment of machine learning models in hydrological predictions through metamorphic testing, Water Resour. Res., 57, e2020WR029471, https://doi.org/10.1029/2020WR029471, 2021. a
Zahura, F. T., Goodall, J. L., Sadler, J. M., Shen, Y., Morsy, M. M., and Behl, M.: Training Machine Learning Surrogate Models From a High-Fidelity Physics-Based Model: Application for Real-Time Street-Scale Flood Prediction in an Urban Coastal Community, Water Resour. Res., 56, https://doi.org/10.1029/2019WR027038, 2020. a
Zhang, J., Zheng, Y., and Qi, D.: Deep spatio-temporal residual networks for citywide crowd flows prediction, in: Proceedings of the AAAI conference on artificial intelligence, vol. 31, https://doi.org/10.1609/aaai.v31i1.10735, 2017. a
Zhang, R., Li, Y., Chen, T., and Zhou, L.: Flood risk identification in high-density urban areas of Macau based on disaster scenario simulation, Int. J. Disast. Risk Re., 107, 104485, https://doi.org/10.1016/j.ijdrr.2024.104485, 2024. a, b
Zhou, Q., Teng, S., Situ, Z., Liao, X., Feng, J., Chen, G., Zhang, J., and Lu, Z.: A deep-learning-technique-based data-driven model for accurate and rapid flood predictions in temporal and spatial dimensions, Hydrol. Earth Syst. Sci., 27, 1791–1808, https://doi.org/10.5194/hess-27-1791-2023, 2023. a
Short summary
With global warming and urbanization accelerating, urban flooding is becoming more severe. Real-time forecasting plays a key role in disaster mitigation, but traditional hydrodynamic models are too resource-intensive for timely prediction. Machine learning models offer high efficiency but often lack accuracy in simulating spatiotemporal flood dynamics. This study proposes a new data-driven model, which performs well in a flood-prone area of Macao.
With global warming and urbanization accelerating, urban flooding is becoming more severe....