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Water management and sustainability in Asia (2021)

Alias, Nor Eliza ; Haniffah, Mohd Ridza Mohd ; Harun, Sobri

Bingley, United Kingdom ; North America ; Japan ; India ; Malaysia ; China : Emerald Publishing

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UID:

b3kat_BV047448541

Umfang: 1 Online-Ressource (xxvii, 193 Seiten) , Illustrationen, Diagramme, Karten

Ausgabe: First edition

ISBN: 9781800711143 , 9781800711167

Serie: Community, environment and disaster risk management volume 23

Inhalt: Water is life. Managing water quantity and quality is a big part of human responsibility. Water Management and Sustainability in Asia covers topics related to water resources management, including multi- and interdisciplinary research on flood, soil infiltration, contaminants, sediment, water quality, hydrological modelling, and water resources systems. Presenting case-studies on soil infiltration and contaminants, the impacts of flood with risk assessment, as well as water modelling and management systems. The lessons shared in this volume focus on rapidly developing countries in the South-east Asia who have a complex climate system which presents challenges. This research provides models and projections that can support water management in the region

Weitere Ausg.: Erscheint auch als Druck-Ausgabe ISBN 978-1-80071-115-0

Sprache: Englisch

Fachgebiete: Wirtschaftswissenschaften , Geographie

RVK:

RR 10363

RVK:

QT 600

Schlagwort(e): Asien ; Wasserversorgung ; Nachhaltigkeit ; Aufsatzsammlung

DOI: 10.1108/S2040-7262202123

URL: Volltext (URL des Erstveröffentlichers)

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Chapter 8 SWMM Modelling of Automated Hydraulic Flushing Gate as a Flow Control Structure (2021)

Leong, Geok Teng [VerfasserIn] ; Bong, Charles Hin Joo [VerfasserIn] ; Teo, Fang Yenn [VerfasserIn] ; [weitere]

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ISBN: 9781800711167

Inhalt: This study explores the concept of hydraulic flushing gate with an automated control system as a flow control structure of the urban storm water system. The research team has implemented a flush gate with the automated control system to the flow of the water in a drainage channel. The flow control structure was used to determine the effectiveness of such design by applying the concept of virtually on a real-world drainage system at Jalan Astana, Kuching. Computer representations of the existing drainage system and flow control structure were built using EPA SWMM 5.0 model. The series of flow control structure was proven to hold the runoff from 10-year storm. The modelling result shows that there is 25.9% of flow reduction at outlet node. As a modification of the existing drainage system in the urban area involves high construction cost, by installing a flow control structure in the drainage system is an innovative way to control the flow of the water.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 77-86, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:77-86

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023014

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 15 Laboratory Investigation of Non-aqueous Phase Liquids Migration in Double-porosity Kaolin Soil (2021)

Foong, Loke Kok [VerfasserIn] ; Nazir, Ramli [VerfasserIn] ; Sa’ari, Radzuan [VerfasserIn] ; [weitere]

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ISBN: 9781800711167

Inhalt: The evolution in developed countries has taken a role in global warming and natural disasters such as flash flood, El-Nino, earthquake and groundwater contamination. The underground storage tank leakage problems and spillage of hydrocarbon liquid leading to the contamination of non-aqueous phase liquids (NAPLs) into the groundwater could reduce the quality of groundwater. This chapter is intended to investigate the behaviour and the pattern of NAPL migrations in double-porosity soil under vibration and intact conditions. The experimental model is developed by using kaolin soil type S300 and toluene as NAPLs. The kaolin soil was mixed with 25% of moisture content to produce kaolin granules in the soil column and vibrate under 0.98 Hz of frequency within 60 seconds. As a result, both specimen liquids completely migrated to the bottom of soil column: sample 1 has higher permeability compared to sample 2. This is due to the fracture in double-porosity soil under vibration effect and loosened the soil structure in sample 1 compared to good intact soil sample 2 with stronger and compact soil structure. In conclusion, this study proves that the dangerous hydrocarbon NAPL migration in fractured double-porosity soil has very harmful effect on the environment and groundwater resources.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 151-160, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:151-160

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023021

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 13 Understanding the Water Consumption Patterns in Universiti Kebangsaan Malaysia (UKM) for Water Conservation (2021)

Ang, Wei Lun [VerfasserIn] ; Mansor, Norzaidaltul Azmira [VerfasserIn]

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gbv_1903211077

ISBN: 9781800711167

Inhalt: This project analyses water consumption data in residential college of Universiti Kebangsaan Malaysia (UKM) by eliciting the main water metre reading from each residential college. The study found that the average water consumption per student in colleges ranged above 200 litres/day, much higher than the World Health Organization’s recommended level of 165 litres/day. The high water consumption could be related to irrational use of water among the students and staff as well as water loss due to leakage. To detect the water loss in a water network, the reading of water metre during minimum night flow (MNF) time was taken between 1 a.m. and 5 a.m. From the study, it could be seen that most of the residential colleges recorded high MNF level (more than 0.97 litres/second), which indicates the presence of leakage within the water network in the college. The findings from this study indicated that the water consumption in UKM can be reduced by minimising the loss of non-revenue water and educating the people to use water moderately. Saving the water resources will help to reduce water utility bill and strengthen UKM against the threat of water crisis.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 133-139, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:133-139

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023019

URL: Volltext (Deutschlandweit zugänglich)

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Index (2021)

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gbv_1903211204

ISBN: 9781800711167

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 187-193, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:187-193

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023006

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 5 Flood Hydrograph as a Functional Data (2021)

Jamaludin, Shariffah Suhaila Syed [VerfasserIn]

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ISBN: 9781800711167

Inhalt: The objective of this study is to propose a functional framework for hydrological applications by treating flood hydrographs as functional data. Discrete flow data are transformed into a smoothing hydrograph curve, which can be analysed at any time interval. The concept of functional data considered the entire curve concerning time as a single observation. This chapter briefly discussed the idea of descriptive statistics, principal components and outliers in a functional framework. These methods were illustrated in the flood study at Sungai Kelantan River Basin, Malaysia. The results showed that five main components accounted for almost 73.8% of the overall flow variance. Based on the results of the factor scores, the hydrograph curves for the years 1988, 1993 and 2014 may be said to have a unique cluster of their own, while the rest of the years which consider having the same pattern. Due to various shapes and magnitudes, the hydrograph curves of 1988 and 2014 are considered outliers. In conclusion, the functional framework has shown that it is capable of representing a wide range of hydrographs and is capable of extracting additional information found in the hydrograph curve that cannot possibly be captured using classical statistical methods.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 45-52, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:45-52

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023011

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 6 Infiltrated Sustainable Urban Drainage System for Storm Water Control (2021)

Ibrahim, Zulkiflee [VerfasserIn] ; Fadzil, Abu Bakar [VerfasserIn] ; Demun, Amat Sairin [VerfasserIn] ; [weitere]

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ISBN: 9781800711167

Inhalt: The Best Management Practices for Sustainable Urban Drainage System including On-Site Detention have been introduced in the Storm Water Management Manual for Malaysia. Flash floods are becoming frequent in the urbanised areas in this country. Inefficient drainage system has been highlighted as one of the factors. Urban drains were reported incapable of coping with the unexpected heavy rainfall. Concrete drains are favourable in construction industry for economic reasons. An experimental research was conducted out to investigate the effectiveness of infiltration integration with drainage system to reduce flash flood. This laboratory research was conducted in the Universiti Teknologi Malaysia. Experiments were performed for selected drainage bed slopes and focussed on several spacing between precast drain sections along the system. The total and infiltrated flow rates, water surface and velocity profiles were examined. The results showed that drain flow rates were reduced by 60.9%–89.6% when the spacing between drain sections were enlarged. Meanwhile, the flow depths in drain sections were dropped by 48.2%–68.9%, and the water velocity was lowered up to 49% as the spacing between drain sections were increased. The study found that the drainage bed slope also influenced the performance of the infiltrated concrete drainage system.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 53-61, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:53-61

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023012

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 10 The Time of Concentration and River Physical Geometry Relationship (2021)

Hassan, Abd Jalil [VerfasserIn] ; Harun, Sobri [VerfasserIn] ; Ismail, Tarmizi [VerfasserIn]

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gbv_1903211107

ISBN: 9781800711167

Inhalt: Time of concentration ( T c ) is one of the main inputs in rainfall–runoff model which depends on catchment length, slope, soil properties and surface cover. Factor such as floodplain also has a significant contribution on the flood wave travel time. Floodplain which influences the flow and the travelling time is not possible to be calculated using common T c formulae. One approach to handle this complex behaviour is to deploy the hydrodynamic model as part of the rainfall–runoff model. This chapter explains the application of hydrodynamic approach to determine T c for large catchment with the effect of floodplain. A hydrodynamic river model for Sg Relai was developed as part of the rainfall–runoff model covering 460 km 2 catchment area. It includes channels covering 90 km long which is extended to the floodplain based on the digital terrain model. The simulation results show that once the flood water spill to the floodplain, the channel travelling time is delayed by several hours. The delay of the travel time increases as the rainfall intensity increase which demonstrates that hydrodynamic modelling with the integration of floodplain is capable to compute the variation of T c .

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 99-107, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:99-107

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023016

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 1 The Impact of Flood Hazard on Residential Property Price (2021)

Razali, Muhammad Najib [VerfasserIn] ; Zulkarnain, Siti Hafsah [VerfasserIn] ; Tarmidi, Zakri [VerfasserIn]

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gbv_1903211190

ISBN: 9781800711167

Inhalt: This study assesses the effects of flood hazard on property price, which focus on residential property. The growth in the population has resulted in more areas being explored, including areas that are prone to flooding. The exploration of a new area for housing development also brings vulnerability to flood hazard. This research employed hedonic regression method to assess the impact of flood to property price between low-flood and non-flood areas. The case study areas are residential properties along Langar River, Selangor, Malaysia. The findings reveal that residential price in case study areas have only little impact in terms of price impact from the flood events. This study also establishes a new valuation model by considering flood hazard. It is expected that the impact from the flood to property price will be significant in future due to changes in property demand patterns as well as the increase in environmental issues.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 3-11, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:3-11

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023007

URL: Volltext (Deutschlandweit zugänglich)

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Chapter 17 Tracing Non-point Source Sediment Using Environmental Forensic Approach: Case Study in Kelantan River Basin, Malaysia (2021)

Sugumaran, Dhinesh [VerfasserIn] ; Annammala, Kogila Vani [VerfasserIn] ; Yusoff, Abdull Rahim Mohd [VerfasserIn] ; [weitere]

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gbv_1903211034

ISBN: 9781800711167

Inhalt: Southeast Asia has been actively undergoing land conversion into agricultural lands over past few decades. This creates the challenges to the nation in dealing with the non-point source pollutants in many fluvial systems, thus requiring an effective approach in sediment source apportionment for an appropriate target mitigation procedure. The trace element property from different source points was used for catchment classification of Galas River. Sediment sample collection was carried out at the sources and sink areas of the catchment system. Fine sediment was analysed using X-ray fluorescence to obtain elemental composition followed by the statistical test and numerical model. Out of 83 elements, 12 elements (Mn, Ca, Cr, Ga, Dy Hf, Y, V, Th, Pb, Zn and Sr) have been selected as best tracer signatures. The solver model has indicated Pergau River as the major sediment contributor to this large catchment system. The model output could directly be proportional with the land-use practice, indicating excessive terrestrial alteration has taken place within the sites for agricultural plantation purposes. Thus, this highly recommends for the decision-making use to the targeted areas to overcome the serious sedimentation issues caused by the tillage operation in affected stream points and to improve the watershed quality.

In: Water management and sustainability in Asia, Bingley, U.K. : Emerald Publishing Limited, 2021, (2021), Seite 173-185, 9781800711167

In: Emerald Publishing Limited

In: year:2021

In: pages:173-185

Sprache: Englisch

DOI: 10.1108/S2040-726220210000023023

URL: Volltext (Deutschlandweit zugänglich)

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