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Water Harvesting Asa Tool To Allow Environmental Recovery In A Semi-Arid Region In Brazil

A research project has been developed to evaluate the most effective microcatchment runoff farming rainwater harvesting technique to be applied in a semi-arid region in Brazil in order to increase soil humidity, minimize erosion and soil degradation as well as restore and create more options of land use for the population. The techniques tested in two 800 m2experimental plots were: Negarim; Semi-circular bunds; Contour Bunds; and Contour ridges. For each 3mx3m microcatchment one tree – guava ormango – was planted. A 200 m2area with no treatment was used as a control.

 

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Importance of Rainwater Harvesting in Human Health

Water used for drinking and other purposes may contain elements such as arsenic, cadmium or anions such as fluoride, and nitrates at toxic levels. Drinking of such contaminated/polluted water can cause considerable health problems. Arsenic in water causes many health problems collectively referred to as Arsenicosis.Cadmium in toxic levels cause Chronic Renal Failure. Excess fluoride in water cause dental and skeletal Fluorosis., and high levels of nitrates result in a condition called Methemoglobinemia.

 

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What’s so hard about Stormwater Modelling?

A common misconception of stormwater modelling is that it is simple. While we seem to intuitively understand that rain water will flow away to the lowest point the physical processes are not always well understood or predictable. This paper will discuss the physical hydrologic and hydraulic processes taking place, and how computer models replicate these processes.

 

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Would water harvesting help? Water usage decisions, strategies and management in a health facility - A case study

Water quality, supply and security issues are of critical concern to operation of health facilities, whilst waste water generated from health facilities is currently considered unsuitable for recycling purpose. Growing sensitivity to water supply, usage and waste management issues requires greater understanding of health care facility management and decision makings in this area.

 

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Enhanced Performance and Design of Rainwater Harvesting Based on Rainfall Regime – The Case of Ethiopia

his paper deals with an effective and enhanced performance of rainwater harvesting systems using rainfall regimes, so that economical and efficient sizing of storage is met. These days, there are a number of ways of rainwater harvesting techniques. One of the most effective option and technique is harvesting from roof catchments for household and communal /public domestic water services. Roof catchments gives very good runoff coefficient value and produce better amount and qualityof water. Losses in the form of infiltration, interception or subsurface run off etc are in existent.

 

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Experimental study on pollutants removalfrom first flush by filtration through four filter medias

It will be one effect way to collect and use rainwater for solving problem of shortage of water resource in big city. The utilization of rainwater by scientific and economical technology can obtain the benefit of water saving, groundwater conservation, reduction of flood accident, decrease of volume of water treatment plant, and ameliorate climate and improve entironment. The effect will be remarkable using rainwater in developing city and for its sustainable development.

 

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Financing Mechanisms for Roofwater Harvesting An example from Uganda

Roofwater harvesting in Africa has too long been implemented only within an aid projects setting. Work and further development has been concentrated on the hardware aspects (like optimised construction of the tank, simple guttering systems, foul-flush devices, filters, etc.). The software part such as influencing the national water policy to integrate roofwater harvesting, developing suitable strategiesfor mainstreaming or advocacy on different levels has long been neglected.

 

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Identifying Social Attitudes and Barriers to Water Conservation – A Community Water Survey

In 2003, Eurobodalla Shire Council adopted its Integrated Water Cycle Management Strategy (IWCMS), which suggested that appropriate levels of Demand Management could be achieved through targeted customer rebate and community education programs. Whilst various education and incentive programs targeting water conservation had been previously run, it was felt they lacked a “documented” strategic approach, adequate monitoring and evaluation and any detailed knowledge of local people’s attitudes to and the level of uptake in the Community of various water saving devices.

 

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Innovative Rainwater Harvesting and Management in the Republic of Korea

Coupled with the recent recognition of the importance of rainwater harvesting and management (RWHM) to solve many of the world’s water problems, the promotion of RWHM is growing rapidly throughout the world. RWHM is believed to have a major role as a type of sustainable infrastructure by enabling developing countries to meet the Millennium Development Goals and as a sustainable technology for developed countries. Despite the severest climate conditions in Korea, the people have survived for thousands of years accumulating knowledge and wisdom in rainwater management, although it is sometimes forgotten or thought to be outdated.

 

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Insights From The Design, Construction And Operation Of An Experimental Stormwater Biofiltration System

Biofiltration systems are being installed on an ever-increasing scale, both for stormwater quality improvement and as a component of stormwater reuse systems. However, there is currently a general lack of knowledge regarding their design, implementation and performance. This paper reports on the issues encountered and lessons learnt during the installation and operation of an experimental biofiltration system. While the water industry familiarizes itself with biofiltration technologies, effective communication and clear guidance is required to ensure successfulconstruction and operation of biofilters.

 

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