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'''Hydrogeology of Wales'''<br>
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'''Bristol and Gloucester regional guide'''<br>


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The area dealt with comprises the Cotswolds and the Severn Estuary region, and includes the greater part of the counties of Avon, Gloucestershire and Somerset (excluding west Somerset); also, for geological continuity, small parts of the counties of Gwent, Herefordshire, Worcestershire, Wiltshire and Dorset. Geologically speaking, it is one of the most varied districts of Britain, for, with the exception of the Ordovician and possibly the Permian, there is exposed at the surface every geological system from the Cambrian to the Cretaceous . . . [[Bristol and Gloucester region - an introduction | '''(Read the full article...)''']]
 
Wales receives wet westerly winds and is consequently well-endowed with water resources. In addition to its surface waters, Wales also has a wide range of aquifers that reflect its diverse geology, and although groundwater cannot compete with the surface water resources in terms of volume, it does offer a valuable alternative or supplementary source, particularly in rural areas. Groundwater has stable physical and chemical properties, which are beneficial to a number of industries including brewing, distilling, fish farming and dairy processing and it provides a source of alkalinity when blended with the often-acidic surface waters derived from upland gathering grounds. Groundwater is not only an important resource but it also maintains low river flows during drier periods with continued discharge of groundwater base flow into surface waters. Groundwater is also a potential hazard — mine dewatering has taxed Welsh mining engineers ever since the Industrial Revolution. [[Hydrogeology of Wales: Introduction | '''(Read the full article...)''']]

Latest revision as of 08:54, 6 January 2020

P894510.jpg

Bristol and Gloucester regional guide

The area dealt with comprises the Cotswolds and the Severn Estuary region, and includes the greater part of the counties of Avon, Gloucestershire and Somerset (excluding west Somerset); also, for geological continuity, small parts of the counties of Gwent, Herefordshire, Worcestershire, Wiltshire and Dorset. Geologically speaking, it is one of the most varied districts of Britain, for, with the exception of the Ordovician and possibly the Permian, there is exposed at the surface every geological system from the Cambrian to the Cretaceous . . . (Read the full article...)