Application of Digital Twins and Artificial Intelligence Technology in Watershed Flood Disaster Warning and Control

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "New Sensors, New Technologies and Machine Learning in Water Sciences".

Deadline for manuscript submissions: 20 December 2024 | Viewed by 3694

Special Issue Editors


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Guest Editor
School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: meteorological and hydrological forecasting; digital twin watershed; artificial intelligence technology; distributed hydrological model; disaster risk assessment

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Guest Editor
School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: basin water resource management; complex system analysis and modeling; urban lake habitat restoration; digital watershed technology and application; geographic information system; development and integration of decision support systems

Special Issue Information

Dear Colleagues,

Flood disasters are one of the top ten most severe natural disasters worldwide, causing significant destruction to human society and the economy. The occurrence of flood disasters is usually accompanied by heavy rainfall, river overflow, and the failure of urban drainage systems. A severe case is the 2018 flood disaster in the Indian state of Himachal Pradesh. In this catastrophe, Himachal Pradesh experienced one of the most severe episodes of heavy rain and flooding in its history. Continuous heavy rainfall led to rapid river flooding, destroying many villages and farmland, resulting in numerous casualties and property losses. This flood disaster highlighted the deficiencies in flood warning systems, with a lack of accurate predictions and timely alerts making rescue efforts extremely challenging.

Artificial intelligence can improve the accuracy and timeliness of flood prediction and warning by analyzing large amounts of meteorological data, hydrological data, and terrain information. Additionally, digital twin technology can construct virtual models of watersheds, simulating flood propagation and impacts to provide decision-makers with more accurate disaster assessments and emergency response plans. The development of flood deduction and assessment technologies based on watershed digital twins can help us better understand the development process of flood disasters, predict the extent and impact of flooding, and formulate corresponding forecasting, warning, and simulation plans. By improving the accuracy of prediction and warning, we can take timely measures to protect lives and properties, reducing the losses caused by floods. Therefore, introducing advanced technologies such as artificial intelligence and digital twins is crucial to enhance the capacity to respond effectively to flood disasters.

The theme of this Special Issue includes but is not limited to the following topics:

(1) Research on short-term and medium-term prediction and warning techniques for extreme rainfall disasters based on artificial intelligence technology.
(2) Research on hydrological forecasting models that couple artificial intelligence with physical mechanisms.
(3) Research on meteorology-hydrology-hydraulics coupling for watershed flood risk warning techniques.
(4) Research on dynamic deduction techniques for watershed flood disasters based on digital twin technology.
(5) Research on emergency evacuation route optimization techniques for flood inundation processes.

Dr. Jun Guo
Dr. Yi Liu
Guest Editors

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Keywords

  • artificial intelligence technology
  • extreme rainfall prediction
  • hydrological forecasting
  • meteorology-hydrology-hydraulics coupling
  • watershed flood risk warning
  • digital twin technology
  • flood dynamic deduction

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Published Papers (2 papers)

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Research

20 pages, 8332 KiB  
Article
Numerical Simulation of Terrain-Adaptive Wind Field Model Under Complex Terrain Conditions
by Xiangqian Wei, Yi Liu, Xinyu Chang, Jun Guo and Haochuan Li
Water 2024, 16(15), 2138; https://doi.org/10.3390/w16152138 - 28 Jul 2024
Viewed by 1223
Abstract
Complex terrain features such as mountains and hills can obstruct the airflow and force upward motion, thereby altering local atmospheric circulation patterns. During the rainy season, these terrain characteristics are more prone to causing intense local precipitation, leading to geological hazards such as [...] Read more.
Complex terrain features such as mountains and hills can obstruct the airflow and force upward motion, thereby altering local atmospheric circulation patterns. During the rainy season, these terrain characteristics are more prone to causing intense local precipitation, leading to geological hazards such as floods and debris flows. These phenomena are closely linked to the intricate influence of terrain on wind fields, highlighting the necessity for in-depth research into wind field characteristics under complex terrain conditions. To address this, we propose a neural-network-based model leveraging terrain data and horizontal wind speed data to predict atmospheric motion characteristics and terrain uplift effects in specific terrain conditions. To enhance the generalization ability of the model, we innovatively extract key physical information from the horizontal wind vector data as training parameters. By comparing with the results of the Fluent model, we validate the model’s capability in dynamic downscaling and flow field modeling. Experimental outcomes demonstrate that our model can generate terrain-adapted convective warning data with a high accuracy, even when terrain features are altered. Under unoptimized conditions, the results at a maximum resolution of 50 m require only 26 s, and the computation time can be further reduced with algorithmic improvements. This research on adaptive wind field modeling under complex terrain conditions holds significant implications for local wind field simulation and severe convective weather forecasting. Full article
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17 pages, 4777 KiB  
Article
Evaluation of Subdaily Hydrological Regime Alteration Characteristics for Hydro–Photovoltaic Complementary Operation in the Upper Yellow River
by Guoyong Zhang, Hongbin Gu, Weiying Wang, Silong Zhang and Lianfang Xue
Water 2024, 16(2), 300; https://doi.org/10.3390/w16020300 - 16 Jan 2024
Cited by 1 | Viewed by 1226
Abstract
The complementary operation of hydropower and photovoltaic power, aimed at meeting real-time demand, has led to frequent adjustments in power generation, causing significant fluctuations in hydrological systems and adversely affecting fish reproduction. The traditional hydrological regime alteration assessment index is based on index [...] Read more.
The complementary operation of hydropower and photovoltaic power, aimed at meeting real-time demand, has led to frequent adjustments in power generation, causing significant fluctuations in hydrological systems and adversely affecting fish reproduction. The traditional hydrological regime alteration assessment index is based on index of hydrologic alternation (IHA) and mostly focuses on annual and daily runoff alterations. This study proposes a new set of indicators considering the characteristics of subdaily hydrological regime alterations, including magnitude, rate of change, duration, frequency, and timing. Using the hourly outflow from Longyangxia, an analysis of indicator redundancy was conducted. The alteration of the indicators before and after hydropower and photovoltaic operation was then analyzed using the cumulative probability distribution curve. Additionally, a concentration index was introduced to analyze the variations in hydrological impacts during different months. The results show that the hydro–photovoltaic complementary operation changed the subdaily natural flow regime, significantly increasing the rate of flow increase or decrease and the duration, with most indexes increasing by more than 100% compared with the natural flow regime. Furthermore, the concentration values of the indexes for the hydro–photovoltaic complementary operation were less than 10, indicating a more significant impact on the subdaily flow regime throughout the year. This research provides crucial data for mitigating ecological impacts under multi-source complementary scheduling. Full article
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