UK Groundwater Forum. From left to right Images Copyright Derek Ball BGS ©NERC 1999, Jude Cobbings BGS ©NERC 2003, Terry Marsh CEH ©1991, Emily Crane BGS ©NERC 2004
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Groundwater Issues: Climate Change and Extreme Events

Surface water flooding: Sustainable drainage to the ground

Surface water flooding in Glasgow on 30 July 2002 (Courtesy of Glasgow City Council and Scottish Water (2002)

During the exceptional rainfall events of summer 2007, floods inundated 7,300 businesses and 48,000 homes across the UK (PITT Review) with estimated costs of £3.2 billion. A review of the causes and consequences of these events identified that surface water was one of the primary causes of flooding. There is significant emphasis in the UK on the management of surface water via more sustainable drainage; this article explains the policy and technical background of sustainable drainage systems (SUDS).

Groundwater drought in the UK

Andrew Newell CEH © 2003. A Chalk bourne

Droughts are naturally occurring features of the UK climate. Almost all droughts have surface water and groundwater components, but their relative importance, particularly in relation to impacts, can vary greatly. In this article the causes and characteristics of groundwater drought are presented and the implications of climate change for this form of drought are discussed.

Groundwater Resources and Climate Change

Terry Marsh, CEH ©, 1991.  A groundwater fed river in Southern England

The links between climate change and increased greenhouse gas emissions are now well-established. However, uncertainty still surrounds the effects of climate change on the water cycle in the UK. It does seem likely that there will be greater variability in climatic conditions, with extremes - flooding and drought - becoming more common. This issue is explored further in our article on groundwater resources and climate change.

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