Application of different building representation techniques in HEC-RAS 2-D for urban flood modeling using the Toce River experimental case

Mustafa, Andam; Szydłowski, Michał

doi:10.7717/peerj.11667

Cited by 16 publications

(3 citation statements)

References 64 publications

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“…Moreover, many disasters are localized in nature having a lesser spatial extent of the damage. However, the flood is spatially an extensive nature's fury [69]. Hence, to manage and mitigate floods in the developing world, each aspect of this phenomenon must be understood.…”

Section: Resultsmentioning

confidence: 99%

GIS-Based Urban Flood Risk Assessment and Management—A Case Study of Delhi National Capital Territory (NCT), India

et al. 2021

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Urban floods are very destructive and have significant socioeconomic repercussions in regions with a common flooding prevalence. Various researchers have laid down numerous approaches for analyzing the evolution of floods and their consequences. One primary goal of such approaches is to identify the areas vulnerable to floods for risk reduction and management purposes. The present paper proposes an integrated remote sensing, geographic information system (GIS), and field survey-based approach for identifying and predicting urban flood-prone areas. The work is unique in theory since the methodology proposed finds application in urban areas wherein the cause of flooding, in addition to heavy rainfall, is also the inefficient urban drainage system. The work has been carried out in Delhi’s Yamuna River National Capital Territory (NCT) area, considered one of India’s most frequently flooded urban centers, to analyze the causes of its flooding and supplement the existing forecasting models. Research is based on an integrated strategy to evaluate and map the highest flood boundary and identify the area affected along the Yamuna River NCT of Delhi. In addition to understanding the causal factors behind frequent flooding in the area, using field-based information, we developed a GIS model to help authorities to manage the floods using catchment precipitation and gauge level relationship. The identification of areas susceptible to floods shall act as an early warning tool to safeguard life and property and help authorities plan in advance for the eventuality of such an event in the study area.

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Section: Resultsmentioning

confidence: 99%

GIS-Based Urban Flood Risk Assessment and Management—A Case Study of Delhi National Capital Territory (NCT), India

et al. 2021

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“…As an example of an integrated sewerage and inundation model, Shibuo et al [113] developed a comprehensive analysis model for the Tsurumi River watershed using the water energy-based distributed hydrological model (WEB-DHM) to calculate runoff from the upper catchment and InfoWorks to analyze the sewers and combined them into an integrated river channel and sewage model. In addition, many inundation analyses of urban watersheds have been conducted overseas using the Hydrologic Engineering Center's river analysis system (HEC-RAS), an open source 2D hydraulic model integrated into GIS [114,115]; this model is not widely used in Japan because there is a need to incorporate aspects such as flow in sewer pipelines and/or flooding processes in subways into the modeling. Detailed explanations regarding these aspects will be provided in the next section.…”

Section: Characteristics (A) Objective; (B) Features; (C) Land Use; (...mentioning

confidence: 99%

Urban Flood Runoff Modeling in Japan: Recent Developments and Future Prospects

Kawamura

Amaguchi

Olsson

et al. 2023

Water

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Since the 20th century, Japan has experienced a period of very rapid urbanization. Cities have experienced substantial densification and expansion, resulting in gradually elevated flood risk. Urban flooding has also occurred in most large cities in Japan, particularly in Tokyo. In response to this growing problem, much effort and resources have been spent on research and development aimed at understanding, simulating, and managing urban flood risk in Japan. The objective of this review is to summarize, discuss, and share key outputs from some of the main research directions in this field, significant parts of which have been uniquely developed in Japan and only published in Japanese. After a general introduction to urban runoff modeling, in the next section, key historical works in Japan are summarized, followed by a description of the situation in Japan with respect to observations of precipitation and water level. Then, the storage function model approach is reviewed, including an extension to urban basins, as well as recent experiments with AI-based emulation in Japanese basins. Subsequently, we review the prospects of detailed hydrodynamic modeling involving high-resolution, vector-based Geographical Information System (GIS) data for the optimal description of the urban environment with applications in Tokyo. We conclude the paper with some future prospects related to urban flood risk modeling and assessment in Japan.

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“…Among these models, HEC-RAS has gained popularity with recent improvements and is used for various applications [4][5][6][7][8]. Various studies have assessed the effectiveness of the direct use of HEC-RAS in different study areas [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Developing Internal and External Proportional Integral Derivative Water Surface Controller in HEC-RAS

Shahverdi,

Noorali,

Ghodousi

et al. 2024

Water

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Controlling the water level in irrigation channels is important for the efficient management of irrigation and water delivery. In this study, the proportional–integral–derivative (PID) controller was implemented in both the HEC-RAS boundary condition, as an internal model, and MATLAB, as an external model. In the latter, the Hydrologic Engineering Center’s (HEC) River Analysis System (HEC-RAS) model was automated for irrigation canals by coding in the MATLAB script. To test the new models, E1R1 (first right bank branch of the first eastern canal in the Dez irrigation network, Khuzestan Province, Iran) irrigation canal data were prepared in HEC-RAS. A flow pattern was provided to simulate the canal water levels. The results showed efficient control of the water level for both models. The maximum and average water depth deviations from the target value were 13% and 4%, respectively, which fall in the good agreement range. The fewer these indicators, the better the performance is. The efficiency and adequacy were close to the ideal value and in the good agreement classes. The equity indicator was 0.013, which is very close to its ideal value of zero, showing efficient water distribution in the tested system. According to the literature for the equity indicator, a range of 0–0.10 is good, a range of 0.11–0.25 is fair, and a range of greater than 0.25 is poor. The results showed that simple and fast implementation is the main advantage of the internal model; however, it is not suitable for implementing complex controllers. Conversely, the external model can be implemented for complicated algorithms without any limitations.

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Application of different building representation techniques in HEC-RAS 2-D for urban flood modeling using the Toce River experimental case

Cited by 16 publications

References 64 publications

GIS-Based Urban Flood Risk Assessment and Management—A Case Study of Delhi National Capital Territory (NCT), India

GIS-Based Urban Flood Risk Assessment and Management—A Case Study of Delhi National Capital Territory (NCT), India

Urban Flood Runoff Modeling in Japan: Recent Developments and Future Prospects

Developing Internal and External Proportional Integral Derivative Water Surface Controller in HEC-RAS

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