scholarly journals River Flood Modelling For Flooding Risk Mitigation in Iraq

2021 ◽  
Vol 7 (10) ◽  
pp. 1702-1715
Author(s):  
Mohammad Esam Shareef ◽  
Dheyaa Ghanim Abdulrazzaq
Keyword(s):  
Urban Areas ◽  
Risk Mitigation ◽  
Land Utilization ◽  
Flood Simulation ◽  
River Flooding ◽  
Drainage Networks ◽  
River Flood ◽  
Elevation Data ◽  
Flooding Risk

River flood events have recently been increased due to many reasons such as climate change and excessive land usage. Thus, one of the greatest challenges is to control the flooding in urban areas. River flooding has become a phenomenon worldwide in general and in Iraq specifically. This is associated with the rapid increase of urbanization as well as mismanagement of land utilization; especially those located near the river banks, in addition to lack of consideration in terms of the design and implementation of drainage networks. In Iraq and especially in Al-Anbar governorate, studies in the field of flood simulation control have been rare. This study aims to suggest a fast and accurate methodology for local authorities, by providing a proposed solution and prediction of flooding area in the case study of the Fallujah barrage. Global Mapper software has been used to produce simulation photos on flooding area. Earth Explorer USGS website has been used to download water body data; and Global Digital Surface website has been used to extract and download the surface elevation data. The result of the simulation photos has predicted valuable information about the flooding area and proposed a general vision on the areas that are under threat of flooding. Four main areas were exposed to flooding, area 1, area 2, area 3, and area 4; A total flooding area of 11.89 km2. The total maximum operational level for the barrage was designed to be 44.79 m above sea level. Also, the recommended maximum operation level for the barrage was 43 m ASL. Doi: 10.28991/cej-2021-03091754 Full Text: PDF

Quantitative assessment of improvements in hydrological water cycle in urbanized river basin

1997 ◽  
Vol 36 (8-9) ◽  
pp. 219-222 ◽  
Author(s):  
M. Imbe ◽  
T. Ohta ◽  
N. Takano
Keyword(s):  
River Basin ◽  
Urban Areas ◽  
Flood Control ◽  
Water Cycle ◽  
Water Discharge ◽  
Evaluation Procedure ◽  
Land Utilization ◽  
Domestic Waste ◽  
Surface Areas

Urbanization generally causes expansion of urban areas, improvement of lifestyles, high population density and high levels of land utilization. Those urbanization processes have resulted in an expansion of impermeable areas such as roofs and pavements, an increase in water demand, an increase in industrial and domestic waste water and a reduction of water surface areas and green lands. The above-mentioned phenomena tend to distort the appropriate hydrological water cycle and derive the six issues to be solved which were pointed out in our previous paper Imbe et al.(1995). Six issues were described as: 1) Maintenance of Ordinary Water Discharge; 2) Flood Control; 3) Conservation and Development of Water Resources; 4) Conservation and Revival of Ecological System; 5) Pollution Control; 6) Improvement of Heat Environment. In order to prevent the deterioration of the hydrological water cycle, many relevant measures are taken into account and the effect of those measures should be evaluated before the implementation. This paper presents a practical example of the evaluation procedure through a case study of the actual urbanized river basin called Azuma River.

scholarly journals Performance-Based Planning to Reduce Flooding Vulnerability Insights from the Case of Turin (North-West Italy)

2021 ◽  
Vol 13 (10) ◽  
pp. 5697
Author(s):  
Stefano Salata ◽  
Silvia Ronchi ◽  
Carolina Giaimo ◽  
Andrea Arcidiacono ◽  
Giulio Gabriele Pantaloni
Keyword(s):  
Urban Areas ◽  
Risk Mitigation ◽  
Climate Change Impacts ◽  
Mitigation Strategies ◽  
Decision Makers ◽  
Revision Process ◽  
North West ◽  
Run Off ◽  
Flooding Risk

Climate change impacts urban areas with greater frequency and exposes continental cities located on floodplains to extreme cloudbursts events. This scenario requires developing specific flooding vulnerability mitigation strategies that improve local knowledge of flood-prone areas at the urban scale and supersede the traditional hazard approach based on the classification of riverine buffers. Moreover, decision-makers need to adopt performance-based strategies for contrasting climate changes and increasing the resilience of the system. This research develops the recent Flooding Risk Mitigation model of InVEST (Integrated Evaluation of Ecosystem Services and Trade-off), where cloudburst vulnerability results from the soil’s hydrological conductivity. It is based on the assumption that during cloudburst events, all saturated soils have the potential for flooding, regardless of the distance to rivers or channels, causing damage and, in the worst cases, victims. The model’s output gives the run-off retention index evaluated in the catchment area of Turin (Italy) and its neighborhoods. We evaluated the outcome to gain specific insight into potential land use adaptation strategies. The index is the first experimental biophysical assessment developed in this area, and it could prove useful in the revision process of the general town plan underway.

Flood and Substance Transportation Analysis Using Satellite Elevation Data: A Case Study in Dhaka City, Bangladesh

2018 ◽  
Vol 13 (5) ◽  
pp. 967-977 ◽  
Author(s):  
Masakazu Hashimoto ◽  
Nozomu Yoneyama ◽  
Kenji Kawaike ◽  
Tomonori Deguchi ◽  
Mohammed Abed Hossain ◽  
...  
Keyword(s):  
The Other ◽  
Two Dimensional ◽  
Dhaka City ◽  
Flood Simulation ◽  
Aster Gdem ◽  
Elevation Data ◽  
Vertical Accuracy ◽  
Simulation Results ◽  
Better Than

This study investigated the vertical accuracy of satellite elevation data and its effect on flood and substance transportation analysis by using a two-dimensional flood simulation model. SRTM, AW3D, and ASTER GDEM satellite elevation data for East Dhaka, Bangladesh were used for evaluating the vertical accuracy and conducting numerical analyses. A case study in 2007 was simulated for the flooding analysis. The results showed that AW3D had the highest applicability because its vertical accuracy for low-lying areas was better than that of the other products. According to the differences in the flood extent of each satellite elevation data, the simulation results of the substance transportation analysis showed different spreading conditions. Furthermore, differences in the flood velocity and direction affected the distribution of the deposited substance.

scholarly journals A participatory approach for identification of micro flood zones in poorly developed urban areas

2020 ◽  
Vol 3 (2) ◽  
pp. 941-949
Author(s):  
Osama Dawoud ◽  
Mustafa Mansour
Keyword(s):  
Developing Countries ◽  
Spatial Analysis ◽  
Present Status ◽  
Urban Areas ◽  
Hydrological Modeling ◽  
Risk Mitigation ◽  
Gaza Strip ◽  
Participatory Approach

The lack of observation technologies and the information records in developing countries restrict the applicability of advanced approaches for identification of flood zones and setting-up flood risk mitigation plans. Greater challenge is encountered in urban and areas where the natural hydrological conditions are altered. The current paper proposes an approach that utilizes the globally available data for the essential hydrological analysis. The approach integrates the spatial-analysis and hydrological modeling approaches with a set of sequential iterative field/desk activities that confine and filter the flood zones and identify the associated risks. The proposed approach involves a systematic system for classification of the zones prone to flood according to the present status and the foreseen flood-risks. The proposed approach is sufficient to identify the micro-flood zones which might not be captured by the traditional analysis methods. The case study of Gaza Strip in Palestine is considered for validation of the approach and identification of the approach potential and limitations.

scholarly journals A quantitative flood risk analysis methodology for urban areas with integration of social research data

2012 ◽  
Vol 12 (9) ◽  
pp. 2843-2863 ◽  
Author(s):  
I. Escuder-Bueno ◽  
J. T. Castillo-Rodríguez ◽  
S. Zechner ◽  
C. Jöbstl ◽  
S. Perales-Momparler ◽  
...  
Keyword(s):  
Decision Making ◽  
Risk Analysis ◽  
Flood Risk ◽  
Urban Areas ◽  
Risk Mitigation ◽  
Quantitative Estimation ◽  
Mitigation Measures ◽  
Risk Awareness ◽  
Flood Risk Analysis ◽  
Flooding Risk

Abstract. Risk analysis has become a top priority for authorities and stakeholders in many European countries, with the aim of reducing flooding risk, considering the population's needs and improving risk awareness. Within this context, two methodological pieces have been developed in the period 2009–2011 within the SUFRI project (Sustainable Strategies of Urban Flood Risk Management with non-structural measures to cope with the residual risk, 2nd ERA-Net CRUE Funding Initiative). First, the "SUFRI Methodology for pluvial and river flooding risk assessment in urban areas to inform decision-making" provides a comprehensive and quantitative tool for flood risk analysis. Second, the "Methodology for investigation of risk awareness of the population concerned" presents the basis to estimate current risk from a social perspective and identify tendencies in the way floods are understood by citizens. Outcomes of both methods are integrated in this paper with the aim of informing decision making on non-structural protection measures. The results of two case studies are shown to illustrate practical applications of this developed approach. The main advantage of applying the methodology herein presented consists in providing a quantitative estimation of flooding risk before and after investing in non-structural risk mitigation measures. It can be of great interest for decision makers as it provides rational and solid information.

scholarly journals Key Techniques and Risk Management for the Application of the Pile-Beam-Arch (PBA) Excavation Method: A Case Study of the Zhongjie Subway Station

2014 ◽  
Vol 2014 ◽  
pp. 1-16 ◽  
Author(s):  
Yong-ping Guan ◽  
Wen Zhao ◽  
Shen-gang Li ◽  
Guo-bin Zhang
Keyword(s):  
Urban Areas ◽  
Risk Mitigation ◽  
Environmental Safety ◽  
Mitigation Measures ◽  
Subway Station ◽  
Factors Affecting ◽  
Construction Techniques ◽  
Potential Risks ◽  
Key Techniques

The design and construction of shallow-buried tunnels in densely populated urban areas involve many challenges. The ground movements induced by tunneling effects pose potential risks to infrastructure such as surface buildings, pipelines, and roads. In this paper, a case study of the Zhongjie subway station located in Shenyang, China, is examined to investigate the key construction techniques and the influence of the Pile-Beam-Arch (PBA) excavation method on the surrounding environment. This case study discusses the primary risk factors affecting the environmental safety and summarizes the corresponding risk mitigation measures and key techniques for subway station construction using the PBA excavation method in a densely populated urban area.

Factors Affecting Financial Literacy of Vietnamese Adults: A Case Study for Hanoi and Nghe An

2017 ◽  
Vol 33 (2) ◽  
Author(s):  
Tue Nguyen Dang
Keyword(s):  
Higher Education ◽  
Multiple Regression ◽  
Financial Literacy ◽  
Urban Areas ◽  
Logistic Models ◽  
Factors Affecting ◽  
Financial Behaviors ◽  
Financial Decisions ◽  
Literacy Level

This research examines the factors affecting the financial literacy of Vietnamese adults. Using a sample of 266 observations of adults in 2 big cities in Vietnam (Hanoi and Vinh in Nghe An Province), the author evaluates the literacy level of adults in these urban areas. The financial literacy of the interviewed people is low. The multiple regression results show that lower financial literacy levels associate with higher age and married status and higher financial literacy levels associate with higher education, more family members, the person making financial decisions and the person attending a useful financial course. This research also explores the association between financial literacy and financial behaviors of individuals employing logistic models. It is found that higher financial literacy associates with less probability of overspending and higher probability of saving money and careful spending. Higher financial literacy is also found to associate with higher probability of opening a savings account and making various investments. 

Sign in / Sign up

Export Citation Format

Share Document