Water Scarcity in the UK –

“Think!… Don’t Waste!!”

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Water is an essential, finite resource and basic

fundamental need for existence. Pressures on freshwater

availability and security in the UK is rapidly increasing and

poses mounting challenges for sustainable water

management control solutions, particularly in Southern

England and surrounding regions. Over-abstraction to meet

the demands of growing populations, agricultural and

industrial use, combined with the effects of climate change

are causing multiple challenges in many water-stressed

regions, which is likely to be increased to unprecedented

levels.

Variable rainfall patterns and frequency of use (driven by

agricultural and industrial needs, a growing population and

individuals’ use of more water-intensive goods and

services) has culminated in the effects of water shortages

becoming increasingly critical for the environment, food

production, industrial efficiency and households.

With catastrophic climate change (global warming) increasingly

apparent the need for decision-making in high risk areas such

as water supply has never been more prevalent and therefore

requires high levels of confidence in forecasts. Yet we are

currently unable tot predict the occurrence, duration and

intensity of drought events. Understanding how these times are

modulated by longer term climate and water management, as

well as the factors affecting individual and community responses

to such events and understanding the associated impacts will

certainly assist on how we can attempt to readdress the

situation before it is too late.

At present, the drivers of drought and water scarcity, both meteorological

(e.g. through anticyclonic blocking) and societal (e.g. supply and

demand balance, water storage, transfer and utility trends), are

considered in isolation. This means we lack knowledge about how they

jointly influence the behaviour of complex hydrological, ecological,

agricultural, social, cultural and economic systems. We are thus unable

to effectively calculate the costs associated with stressing these

systems, and it is difficult to make informed management decisions

about trade-offs between competing demands therefore combining all

factors with poor regulatory of water and prolific waste means that water

shortages certainly lay ahead.

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