water current Articles

  • European waters - current status and future challenges - a synthesis

    The Europe 2020 strategy is the European Union's strategy for economic growth in Europe over the next decade. This strategy envisages the development of a 'greener', more environmentally friendly economy in Europe. Sustainable water management is a critical element of this green economy because healthy and resilient ecosystems provide the services needed to sustain human well‑being and our ...

  • Canarina DESCAR software · sewage treatment · commands 28

    Canarina DESCAR software · sewage treatment · commands 28 Depending on the used model, some data of the dialog box can be modified: Buoyant jet model or Stratified model (see calculation models).   Buoyant jet model: The necessary data in the Buoyant jet model is: ...

  • Augmenting Water Resources with Reclaimed Water: The Case of Eastern Municipal Water District and Rancho California Water District

    Eastern Municipal Water District (EMWD) operates five water reclamation facilities providing either secondary- or tertiary-treated water that is used for a variety of irrigation and landscape uses. Currently EMWD beneficially reuses approximately 55 percent of its reclaimed water. As a result of anticipated growth in population, water consumption, and reclaimed water generation, EMWD is ...

  • Water transparency distribution under varied currents in the largest river-connected lake of China

    Water transparency is an important ecological indicator for shallow lakes. The largest shallow lake, Poyang Lake, as well as the most typical river-connected lake in China was selected as the research area. In view of the complicated water-sediment conditions induced by its frequent water exchange with external rivers, the dominant factors driving water transparency were determined against the ...


    By IWA Publishing

  • Water valuation Building the business case

    Water is life. Without water there would not be life on Earth. We all depend on water – people, business and ecosystems. At the same time, people and business also impact water. We use it without realizing its real value and often take the resource itself and the services it provides for granted. Water availability is increasingly limited. Globally, water resources are constant, but if ...


    By IWA Publishing

  • A critical assessment of groundwater governance in Tunisia

    More than 40% of irrigation water currently used in Tunisia is provided by groundwater aquifers, most of which are in a critical state of depletion due to its overexploitation during the last three decades. This paper provides a critical assessment of groundwater management in Tunisia based on interviews with key officials from central and regional administrations, in addition to ...


    By IWA Publishing

  • Willingness to pay for the water supply service in Cape Verde – how far can it go?

    Cape Verde is an African country where consumers pay one of the highest tariffs for water supply services in the world. However, the current levels of service coverage and quality are still far from adequate, as acknowledged by local authorities and international agencies. Thus, an assessment of how much Cape Verdean households are willing to pay (WTP) for service improvements is a fundamental ...


    By IWA Publishing

  • Water stressed in the last few decades, San Diego California - Case Study

    Water stressed in the last few decades, San Diego has embarked on a journey that will serve existing customers and support the growth of its city with a proposed 200 mgd plant, The will give city planners the freedom to develop beyond current fresh water constraints supporting explosive growth with the value of property values increasing significantly. ...


    By Gold Coast Water Company

  • 1998 IFAI award lake Isabella/Little Miami River, Hamilton County, Ohio - Case Study

    Presto Products Co., Appleton, wis., received an Outstanding Achievement Award in the geosynthetics category of IFAI’s International Achievement Awards for the Little Miami River/Lake Isabella shoreline-stabilization project in Ohio. The project was a collaborative effort between Presto Products Co., designers at Bozeman, Mont.-based Inter-Fluve Inc., Sunesis Construction Co. of Camp ...


    By Presto Geosystems

  • Project - Dark Secrets of the Lusitania

    Dark Secrets of the Lusitania documents a 2011 expedition that attempted to solve nearly a century’s worth of mystery, speculation, and controversy surrounding the sinking of RMS Lusitania. Produced by Los Angeles-based Creative Differences, the documentary follows the crew as they explore the wreckage to uncover her secrets. After nearly a century in the rough Celtic Sea waters, the ...


    By VideoRay LLC

  • Application of an Interactive Water Simulation Model in urban water management: a case study in Amsterdam

    Water simulation models are available to support decision-makers in urban water management. To use current water simulation models, special expertise is required. Therefore, model information is prepared prior to work sessions, in which decision-makers weigh different solutions. However, this model information quickly becomes outdated when new suggestions for solutions arise and are therefore ...


    By IWA Publishing

  • Improving water quality communications at beaches: input from stakeholders

    Objectives: Water quality communication practices vary widely and stakeholder input has not played a role in defining acceptable levels of risk. Although the 2012 Recreational Water Quality Criteria (RWQC) emphasize the importance of promptly notifying the public about hazardous conditions, little is known about the public's understanding of notifications, or about levels of risk deemed ...


    By IWA Publishing

  • An efficient model of stationary transport

    An efficient method for construction of the residual current field and the concentration field of stationary transport model is presented for a basin with a flat bottom. The current and concentration fields are defined by various types of boundary conditions and measured values of the fields inside the basin. Reliability of the results is discussed.Keywords: dissolved substances, mathematical ...


    By Inderscience Publishers

  • The construction of a water rights system in China that is suited to the strictest water resources management system

    Establishing a modern water rights system (WRS) that is suited to the Strictest Water Resources Management System (SWRM) is an important reform in China's water resources management in terms of addressing current water issues. However, there are still several problems in the construction of a WRS, such as ambiguity in the definition of water rights, weakness in the infrastructure of water ...


    By IWA Publishing

  • Determination of Haloacetic Acids in Drinking Water According to EPA Method 552.3 using Hydrogen Carrier Gas

    Haloacetic acids (HAAs) are known carcinogens that may occur as disinfection byproducts in drinking water. Currently five HAAs are regulated under the Stage 2 Disinfectants and Disinfection Byproducts Rule (DBPR) and occurrence of four more HAAs is being monitored under the Unregulated Contaminant Rule 4 (2018-2020) 1. Whether the targets are HAA5 or HAA9, this analysis will continue to be ...

  • Examining the economies of scale of water and sewage utilities in the urban sector: the case of Israel

    This study applies econometric tools to examine the economies of scale of the water and sewage utilities corporation (utilities) in the urban sector in Israel, and to find whether reducing the number of utilities will maximize efficiency in the urban water sector. Using an econometric analysis of an elasticity Translog cost function, which allows the estimation of returns to scale, the authors ...


    By IWA Publishing

  • On the political sideline? The institutional isolation of donor organizations in Jordanian hydropolitics

    Fresh water availability is very low in Jordan. Current water usage is unsustainable and structures of water resource governance are inadequate. Drawing on expert interviews and the analysis of media texts, this study shows that patterns and privileges of water consumption sustain specific political and social orders, aggravating Jordan's suboptimal water resource deployment. Many of ...


    By IWA Publishing

  • Introduction

    Different definitions of water governance will be reviewed and the question will be asked: Why is water governance important? Subsequently, some theoretical insights will be reviewed concerning the factors influencing successful water governance. A theoretical framework will be provided. Currently, water governance structures are often not able to deal with these factors, which require reform and ...


    By Inderscience Publishers

  • Creating a comprehensive water strategy case study

    Challenge: A global brewing company requested the assistance of Antea Group's Global Corporate Consultancy to develop a comprehensive water strategy that would help it assume a leadership position (top quartile) within the industry sector and provide meaningful shared business value. Solution: Our team worked collaboratively with the company in defining ...


    By Antea Group - USA

  • Canarina DESCAR software · industrial wastewater treatment · commands 2

    Due to the features of the software that allows to simulate the process of pollutant discharges into water immediately, the numeric simulation is carried out with a remarkable speed. You create the graphical interface for your pollutant discharges by drawing point sources in a graphical way. You create the simulation process by drawing point sources, such as outfall pipelines, on the DESCAR ...

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