urban drainage Articles

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Casella STORM Guardian helps build flood safety and awareness - Case Study

by Casella  (Oct. 22, 2014)

Casella has helped Northamptonshire County Council to raise safety and awareness in the region by supplying robust rain gauges to 15 local communities. The Casella STORM Guardian rain gauges can collect rainfall data remotely and mitigate the risk from the increasing incidence of high intensity rainfall and flash flooding. The Issue It is a ...

Multi-objective rehabilitation of urban drainage systems under uncertainties

by IWA Publishing  (Sep. 25, 2014)

Urban drainage systems are subject to many drivers which can affect their performance and functioning. Typically, climate change, urbanisation and population growth along with aging of pipes may lead to uncontrollable discharges and surface flooding. So far, many researchers and practitioners concerned with optimal design and rehabilitation of ...

Comparative analysis of the outflow water quality of two sustainable linear drainage systems

by IWA Publishing  (Oct. 29, 2014)

Three different drainage systems were built in a roadside car park located on the outskirts of Oviedo (Spain): two sustainable urban drainage systems (SUDS), a swale and a filter drain; and one conventional drainage system, a concrete ditch, which is representative of the most frequently used roadside drainage system in Spain. The concentrations ...

An influence diagram for urban flood risk assessment through pluvial flood hazards under non-stationary conditions

by IWA Publishing  (Sep. 30, 2014)

Urban flooding introduces significant risk to society. Non-stationarity leads to increased uncertainty and this is challenging to include in actual decision-making. The primary objective of this study was to develop a risk assessment and decision support framework for pluvial urban flood risk under non-stationary conditions using an influence ...

Application of the urban water use model for urban water use management purposes

by IWA Publishing  (Aug. 7, 2014)

The aim of this work is to present an application of the urban water use (UWU) model, which is a support decision tool to define the best group of efficient water use measures for UWU management purposes. Therefore, the UWU was developed under integrated urban water management (IUWM) and strategic planning principles to promote a systemic ...

Characterization of the hydraulic performance of a gully under drainage conditions

by IWA Publishing  (Jun. 25, 2014)

During rainfall events with low return periods (1–20 years) the drainage system can provide some degree of protection to urban areas. The system design is based not only on good hydraulic performance of the surface and the sewer network but also on their linking elements. Although the linking elements are of utmost importance as they allow ...

An integrated cellular automata evolutionary-based approach for evaluating future scenarios and the expansion of urban drainage networks

by IWA Publishing  (Mar. 26, 2014)

The paper describes and demonstrates an integrated cellular automata evolutionary-based approach for evaluating future scenarios including the expansion of urban drainage networks. The approach can be used to derive a drainage network layout based on future land use scenarios. Two techniques are used to derive the layout of the system: one using ...

Urban drainage models – simplifying uncertainty analysis for practitioners

by IWA Publishing  (Nov. 29, 2013)

There is increasing awareness about uncertainties in the modelling of urban drainage systems and, as such, many new methods for uncertainty analyses have been developed. Despite this, all available methods have limitations which restrict their widespread application among practitioners. Here, a modified Monte-Carlo based method is presented that ...

Assessing the potential of using telecommunication microwave links in urban drainage modelling

by IWA Publishing  (Nov. 1, 2013)

The ability to predict the runoff response of an urban catchment to rainfall is crucial for managing drainage systems effectively and controlling discharges from urban areas. In this paper we assess the potential of commercial microwave links (MWL) to capture the spatio-temporal rainfall dynamics and thus improve urban rainfall-runoff modelling. ...

A spatial-temporal rainfall generator for urban drainage design

by IWA Publishing  (Jul. 4, 2013)

The work presented here is a contribution to the Thames Water project of improving the Counters Creek catchment sewerage system in London. An increase in the number of floods affecting basements in the area has indicated the need for improvements to the system. The cost of such improvements could be very high, and as such it is important to ...

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