Coastal Reservoir Strategy and Its Applications

Yang, Shu-Qing; Liu, Jianli; Lin, Pengzhi; Jiang, Changbo

doi:10.5772/52315

Cited by 10 publications

(7 citation statements)

References 18 publications

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“…In extreme flood events and during high tide, the CR intake and tidal gate would be operated to control floodwater in the BRE. For the design of the CR, the following key parameters need to be considered: site selection and arrangement of the dike alignment; area and shape of the CR; intake gate size and position; and the operation of a gate [50].…”

Section: Conceptualization Of Cr Parametersmentioning

confidence: 99%

“…The proposed location of the reservoir should have negligible impacts on estuarine fluvial dynamics, regime changes, and the environment. Further, the reservoir and dike site should have a stable bed [50]. The CR is proposed at the right side of the Brisbane River estuary mouth in Moreton Bay (Figure 3), having no direct influence on estuarine dynamics and influence by river flow.…”

Section: Cr Site Selection and Arrangement Of The Dikementioning

confidence: 99%

“…The CR is proposed at the right side of the Brisbane River estuary mouth in Moreton Bay (Figure 3), having no direct influence on estuarine dynamics and influence by river flow. For comparison, the site of the Marina Barrage, in Singapore and the Qingcaosha reservoir in Shanghai are along the main river channel, forming reservoirs in line with the river and directly influenced by the main river flood [36,50]. The proposed CR site would allow less sedimentation inside CR and would not hinder fish migration and navigation paths.…”

Section: Cr Site Selection and Arrangement Of The Dikementioning

confidence: 99%

See 2 more Smart Citations

Investigating an Innovative Sea-Based Strategy to Mitigate Coastal City Flood Disasters and Its Feasibility Study for Brisbane, Australia

Khalil

Yang

Sivakumar

et al. 2020

Water

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This study examines an innovative Coastal Reservoir (CR) technique as a feasible solution for flood adaptation and mitigation in the Brisbane River Estuary (BRE), Australia, which is vulnerable to coastal flooding. The study analysed the operation of a CR by using the MIKE 21 hydrodynamic modelling package. The 2D hydrodynamic model was calibrated and validated for the 2013 and 2011 flood events respectively, with a Nash-Sutcliffe coefficient (Ens) between 0.87 to 0.97 at all gauges. River right branch widening and dredging produced a 0.16 m reduction in water level at the Brisbane city gauge. The results show that by suitable gate operation of CR, the 2011 flood normal observed level of 4.46 m, with reference to the Australian Height Datum (AHD) at Brisbane city, could have been reduced to 3.88 m AHD, while under the improved management operation of the Wivenhoe Dam, the flood level could be lowered to 4 m AHD at Brisbane city, which could have been reduced with CR to 2.87 m AHD with an overall water level reduction below the maximum flood level. The results demonstrated that the innovative use of a CR could considerably decrease the overall flood peak and lessen flood severity in the coastal city of Brisbane.

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Section: Conceptualization Of Cr Parametersmentioning

confidence: 99%

Section: Cr Site Selection and Arrangement Of The Dikementioning

confidence: 99%

Section: Cr Site Selection and Arrangement Of The Dikementioning

confidence: 99%

See 1 more Smart Citation

Investigating an Innovative Sea-Based Strategy to Mitigate Coastal City Flood Disasters and Its Feasibility Study for Brisbane, Australia

Khalil

Yang

Sivakumar

et al. 2020

Water

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“…Table 1 shows the comparison of sea based reservoirs to the land based reservoirs. There are many advantages of the sea based reservoirs when compared with any conventional land based reservoirs [2] . Listed below are the advantages of coastal reservoirs:…”

Section: Scenario In Indiamentioning

confidence: 99%

Efficacy of coastal reservoirs to address India’s water shortage by impounding excess river flood waters near the coast

Sitharam

2017

J Sustain Urbaniz Plan Prog

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India is a sub-continent where presently 320 million people remain in the water-starved parts of the country and according to the UN, this number is expected to increase to 840 million in the year 2050. There is a severe demand-supply mismatch. Though there has been no significant change in India's rainfall pattern, the number of areas under drought in India is increasing every year. Increase in population is one of the reasons for water scarcity but the inefficient management of the received precipitation stands as the major cause. Though extreme rainfall events are significantly increasing, there is a spatial non-uniformity in the rainfall events that occur. This makes it difficult to pre-plan large scale water storage at different locations. Out of the 4,000 billion m 3 of freshwater available from precipitation per annum, major portion run off into the sea. The solution to India's water problem is to conserve the abundant monsoon water bounty, store it in coastal reservoirs, and use this water in areas which have occasional inadequate rainfall or are known to be drought-prone or in those times of the year when water supplies become scarce. It is estimated that about 4,400 thousand million cubic feet of rainwater just simply drains into the sea. This paper focuses on the concept of Coastal Reservoir. This basically means building a storage structure near the mouth of river. In this way, the amount of water that is wasted as run-off can be stored. The construction of a coastal reservoir does not involve many risk factors and disadvantages like relocation which would occur in an inland dam construction. The paper also presents the concept of Sarovarmala -a chain of coastal reservoirs which is an innovative concept that has the potential to ensure water availability to India throughout the year.

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“…Mangalore is blessed with River Nethravathi which carries great quantity of water during monsoon and at last end up in the sea. Coastal reservoir (CR) is a very innovative concept which has the potential to store the flood water of river joining the sea and meet the water requirement of water starved cities [1,2] . A fresh water reservoir near the coast would bring a positive transformation in coastal Mangalore in terms of cleanliness, living standard of the people, human resource development and livelihoods.…”

Section: Introductionmentioning

confidence: 99%

Feasibility of creating a fresh water reservoir in the Arabian Sea impounding the flood waters of Netravathi River

Kolathayar

Sitharam

Ramkrishnan

et al. 2017

J Sustain Urbaniz Plan Prog

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This paper addresses the feasibility of creating a fresh water reservoir in the Arabian sea impounding the flood waters from Netravathi River. The project schemes comprises mainly two steps: first, the construction of the dyke in the Arabian Sea; and second, the process of natural replacement of salty water by rainwater and surface runoff to the reservoir. The study presents the detailed hydrological analysis of Netravati and Gurupura rivers including estimation of runoff into the sea. The study estimates the surface runoff at inlet and outlets of Netravati Basin along the costal lines of Arabian Sea. The existing land use along the costal lines of Netravati Basin is assessed. The dyke must be designed to separate fresh water from the salty waters of the Arabian Sea considering the tidal variations and wave heights. The bathymetric profiles of the sea bed has been created and presented in the paper. The annual runoff at the mouth of Netravati River was estimated as 388 TMC and just 2.5% of this would be sufficient to meet the present water shortfall of Bengaluru and Mangaluru. The annual sediment load was found to be negligible. The water quality parameters are well within permissible limits ensuring quality water from Netravathi to the proposed coastal reservoir.

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Coastal Reservoir Strategy and Its Applications

Cited by 10 publications

References 18 publications

Investigating an Innovative Sea-Based Strategy to Mitigate Coastal City Flood Disasters and Its Feasibility Study for Brisbane, Australia

Investigating an Innovative Sea-Based Strategy to Mitigate Coastal City Flood Disasters and Its Feasibility Study for Brisbane, Australia

Efficacy of coastal reservoirs to address India’s water shortage by impounding excess river flood waters near the coast

Feasibility of creating a fresh water reservoir in the Arabian Sea impounding the flood waters of Netravathi River

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