TWO WATER PROVISION METHODS
AN ARID REGION
Table of Contents
Nowadays we can’t deny that the water is important for humans, plants and animals life. All living things around the world can live without water in every day; we use water for drinking, agriculture, industrial, travel, transportation and many other things. However some areas still have the region arid too. There are lacks of available water to use by many reasons such as temperature increase, Natural disasters, Global warming and destroyed by humans. This is a recommendation report or the supply in which compare two water provision methods for an arid region. Firstly is groundwater and another one is solar water disinfection. The methods need it to support our growing population and improve our standard of living for the region arid.
In many countries lack information sharing, the lack of technical ability and training are major causes of impractical water resources management. There are 2 million diarrhoeal deaths from unsafe water in every year. More than one billion people lack access to an improved water source so the report providing the methods of water provision. Groundwater is thought of as liquid water flowing through soil pore spaces and in the fractures of rock formations, the water able to increase in rainy season and decrease in summer, it’s a significance link in the hydrologic cycle because it is the source of most of the water in rivers and lakes. Humans use groundwater by drill water well. Groundwater is also important as the direct source of water withdrawn for domestic water use, irrigation and industrial uses worldwide (Dingman, 2002). Groundwater in Africa
Groundwater in Africa, which was founded in 2004, despite its relatively small contribution to the total water supply in South Africa, represents an important water resource. Two-thirds of South Africa’s surface area is largely dependent on groundwater. The situation is made more acute because most of the Middle East and North Africa lies within arid zone.( Thomas, C., Howlett, D., 1993) In these water-scares areas, groundwater is more valuable than gold. Although irrigation is the largest user of groundwater, groundwater provides the water supply to more than 300 towns and smaller settlements.
Solar water disinfection
Solar Water Disinfection (SODIS), a technology approved by the World Health Organisation for low-cost water treatment in sunny countries, is being employed to destroy pathogens such as coliform bacteria. Solar water disinfection in Africa
Solar water disinfection is the simplest method to make safe drinking water. It can help to safe many children, which are dying each day in Africa, because of lack of safe water, poor hygiene conditions and water-borne diseases. The SODIS method is very easy to apply only uses PET (polyethylene terephthalate) bottle is cleaned with soap. This report recommends using PET bottles in the SODIS method because they are light and do not break. However, glass bottles or special bags able to be used with a maximum size of three litres, Then the bottle is filled with water and put it on the roof or placed in full sunlight for at least 6 hours will be enough completely disinfect the water. If a cloudy day the bottle must be placed in the sun for two days, later the water has been disinfected and can be drunk.
Comparing water methods
No one can deny that groundwater has a lot of benefit that the reason is Groundwater may be the only source in water of poor countries. It is usually very pure and free of organic matter so require little treatment. Mineralised groundwater has value in spas and as bottled water. Ground water generally does not get polluted. The water gets filtered while through sand & stones. Therefore groundwater remains pure and clean. Moreover it is not dangerous for children or animal....
References: Dingman, S. L. (2002). Physical hydrology (Second edition ed.) Upper Saddle River: Prentice Hall.
Dr Conroy. (2001). Solar disinfection of drinking water protects against cholera in children under 6 years of age. Available: http://adc.bmj.com/content/85/4/293.long. Last accessed 10 July 2001.
Monika Tobler. (1997). Materials: Plastic versus Glass Bottles. Available: http://www.webcitation.org/5hmK5deXc. Last accessed 2 August 1997.
Monika Tobler. (2009). FAQs. Available: http://www.sodis.ch/methode/faqs/index_EN. Last accessed 23.09.2009.
Monika Tobler. (2011). How does it work?. Available: http://www.sodis.ch/methode/anwendung/index_EN. Last accessed 24.05.2011.
Mr Fanus Fourie . (2009). Artificial Recharge. Available: http://www.artificialrecharge.co.za/. Last accessed Feb 2011 .
Tamil Nadu. (2006). Clean water at no cost, the SODIS way . Available: http://www.hindu.com/2006/09/14/stories/2006091419190400.htm. Last accessed 14 Sep 2006.
Wegelin, M., Canonica, S.,. (2013). UV treatment / Solar disinfection (SODIS). Available: http://akvopedia.org/wiki/UV_treatment_/_Solar_disinfection_%28SODIS%29. Last accessed 2 October 2013.
Dawmlw. (2010). Drill Your Own Water Well. Available: http://sites.google.com/site/dhamma999com/60 . Last accessed 24 Feb 2010.
Joint Monitoring Programme for Water Supply and Sanitation. (2010). Progress on sanitation and drinking water: 2010 update. Retrieved from http://www.unwater.org/downloads/JMP_report_2010.pdf
Public Utilities Board, Singapore (2008)
Sarah Stuteville. (2013). Kenyans Tap Sun to Make Dirty Water Sparkle. Available: http://clpmag.org/article.php?article=Kenyans-Tap-Sun-to-Make-Dirty-Water-Sparkle_029. Last accessed 09 Oct 2013.
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