Edexcel IGCSE Geography Chapter 1 - Pearson Schools

uses less water (now 14%) (Figure 1.26). Other consumers now account formore water use. Most notable is the use of water in the generation ofelectricity (now 43%). More water is being used today to irrigate crops (14%)and British citizens are using more water in their homes (20%). More homestoday have washing machines, dishwashers and swimming pools.domestic20%agricultureand fisheries14%services9%manufacturing14%Water is important in making electricityin two ways:energy andwater43%Figure 1.26: Water use in the UKN• it is used directly to turn the turbinesthat generate the electricity, as in HEP• it is converted into steam by theburning of fossil fuels and the steamturns the turbines.Chapter 1: River environmentsMajor reservoirsRiversTransfers of water by pipelineFigure 1.27; Water demand and supply in England and Wales0 50 kmOver 1000 mm rainfall per year(high water supply)Less than1000 mm rainfall peryear (low water supply)Major urban areas(high water demand)It would be wrong to think that there areno reservoirs in the drier parts ofEngland. For example, London has anumber of them on its northern andwestern outskirts. These are used both tocollect water and store recycled water.Research the names of some largereservoirs in ‘dry’ England.19