Role of satellite precipitation products in real-time predictions of urban rainfall-runoff by using machine learning modelling

DondeGirotto, Cristiane, Piadeh, Farzad ORCID:, Behzadian, Kourosh ORCID:, Zolgharni, Massoud ORCID:, Campos, Luiza and Chen, Albert (2023) Role of satellite precipitation products in real-time predictions of urban rainfall-runoff by using machine learning modelling. In: EGU General Assembly 2023, 23-28 Apr 2023, Vienna, Austria.

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The accurate prediction of runoff features such as water level and flow is valuable for planning and operation of urban drainage systems (UDS), especially for appropriately acting as flood control mechanisms during extreme rainfall events which are constantly impacted by climate change variables [1]. In addition, cost-effective design, and operation of flood control measures such as smart UDS require highly accurate rainfall predictions across the catchment area, i.e., intensity and duration [2]. Furthermore, sufficient lead time is needed to activate the control mechanisms on the UDS without affecting the accuracy of the predictions. It seems that the emerging use of satellite precipitation products (SPPs) is promising for obtaining predictions with longer lead times [3]. Hence, more exploration of potential runoff predictions by using SPPs is worth investigating to achieve a more accurate and longer lead time.

This study employs a type of SPPs i.e., global precipitation measurement-integrated multi-satellite retrieval product (GPM-IMERG) to predict rainfall-runoff duration, peak and volume, as well as changes in flow over the course of the event at 30-minute intervals. In order to train and validate the machine learning model, the data from GPM-IMERG V06 was merged with ground data from the catchment precipitation gauge and flow sensor. The methodology is demonstrated by its application to the rainfall-runoff modelling of a real-world small urban sub-catchment area and its performance is evaluated by comparing it with the runoff predictions from physically based simulation models [4].

Results show that while using SPPs solely can provide accurate predictions, significant improvement can be obtained when this data is integrated with ground monitoring data. The model output can be utilised for better design, planning and management of UDS technologies as flood control tools and consequently real-time operation of UDS in urban flooding.

[1] Ferrans, P., Torres, M., Temprano, J., Sánchez, J., (2022). Sustainable Urban Drainage System (SUDS) modelling supporting decision-making: A systematic quantitative review. Science of The Total Environment. 806(2), 150447.

[2] Guptha, G., Swain, S., Al-Ansari, N., Taloor, A., Dayal, D. (2022). Assessing the role of SuDS in resilience enhancement of urban drainage system: A case study of Gurugram City, India. Urban Climate, 41, 101075.

[3] Piadeh, F., Behzadian, K., Alani, A. (2022). A critical review of real-time modelling of flood forecasting in urban drainage systems. Journal of Hydrology, 607, 127476.

[4] Broekhuizen, I., Leonhardt, G., Marsalek, J., & Viklander, M. (2020). Event selection and two-stage approach for calibrating models of green urban drainage systems. Hydrology and Earth System Sciences, 24(2), 869–885.

Item Type: Conference or Workshop Item (Paper)
Identifier: 10.5194/egusphere-egu23-10211
Identifier: 10.5194/egusphere-egu23-10211
Additional Information: How to cite: Girotto, C., Piadeh, F., Behzadian, K., Zolgharni, M., Campos, L., and Chen, A.: Role of Satellite Precipitation Products in Real-Time Predictions of Urban Rainfall-Runoff by Using Machine Learning Modelling , EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-10211,, 2023.
Subjects: Computing > Intelligent systems
Construction and engineering
Related URLs:
Depositing User: Farzad Piadeh
Date Deposited: 12 Mar 2023 12:59
Last Modified: 02 Aug 2023 10:37


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