Demand Management towards mitigating the scarcity of Potable Water in the city of Bulawayo By SIHLANGANISO KHUMALO Submitted in accordance with the requirements for the degree of Master of Arts In the subject Development Studies At the University of South Africa Supervisor: M. Ndlovu November 2013 . - How is drinking water quality protected? There’s still a lot we don’t know about water. Water scarcity is the lack of sufficient available water resources to meet the demands of water usage within a region. - Is bottled water safer than tap water? Water chemistry questions - What is water? Biophysical and social dimensions of water systems . .....19 3.2 Scenario and modelling .....21 4. 2.2.2 Measuring water scarcity .....11 2.3 The main causes and consequences of WS&D: review of evidence.....12 2.3.1 Water scarcity .....12 2.3.2 Droughts .....15 3. 1.1 Integrated modelling of water systems. - How is a water molecule built up? - Where does drinking water come from? 2 DECLARATION I, Sihlanganiso Khumalo, Student number: 36600288 declare that Water … While new research like this report from USGS expands our understanding of the complex interaction between water supply and demand, it often raises as many questions as it answers. This study provides a first assessment of continuous sub-national trajectories of blue water consumption, renewable freshwater availability, and water scarcity for the entire 20 th century. (That’s why WRI’s Aqueduct project focuses on water stress – the ratio of water supply and demand – more than measures of water quantity.) .....24 4.1 Water scarcity .. - What dangers can there be in drinking water? Question 1 - What is the magnitude of today [s WS&D problem in Europe? 1.1.1 Understanding complex water systems. Drinking water questions - What is in our drinking water? - How are water molecules bond together? - How is drinking water purified? This section provides an overview of the research topics of the Water Management Chair group corresponding with the research lines defined in the research strategy. .....19 3.1 The approach. Water scarcity is a rapidly growing concern around the globe, but little is known about how it has developed over time. Selecting a methodology for undertaking the Gap Analysis? Re-operating multi-reservoir systems for hydropower and the environment - Zambezi; …