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Earth Science Week - now three walks on offer!

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The Geological Society Earth Science Week takes place between 13-19th October 2014, and will be celebrating ‘Our Geoheritage’. The British Geomorphological Society will be supporting the event by coordinating a series of guided walks to sites of geomorphological interest.

Sediment geomorphology and flood tide in the Humber Estuary, Hull

Xuxu Wu and David Milan, Department of Geography, Environment and Earth Science, University of Hull
1pm-4pm, Saturday October 18th, The Warren Visitor Centre, Spurn National Nature Reserve, Hull HU12 0UH.
Difficulty: low

The Humber is a large tidal estuary on the east coast of Northern England. It is a perfect place to observe tidal change (flood tide and falling tide), which helps the public to understand the principles of tide and the tide power as popular new energy resources. The observation site is located at Spurn Heritage Coast (53°34′N,0°7′E) which is one of Yorkshire Wildlife Trust’s most iconic nature reserves. Spurn has formed from the sediment, sand and gravels washing down the Holderness coast and by the interaction between the North Sea and the River Humber. It features a long sandy spit stretching 3.5 miles in to the Humber Estuary. We will walk along the sand bar and the public not only appreciate the amazing estuary landscape, but also learn something about geomorphology. This field work will be held on 18 October, 2014.

Please contacts Xuxu Wu, University of Hull if you are interested in attending
Email: [email protected]
Mobile phone: 07557 525367
Charge (£4) for parking for non-members of Yorkshire Wildlife Trust.

More information and a map can be downloaded here:information leaflet


Geomorphological forms & processes in the Afon Rheidol catchment, west Wales Hywel Griffiths & Stephen Tooth, Department of Geography and Earth Sciences, Aberystwyth University [email protected] , Tel: 07966680763 10am – 4pm, Wedneday October 15th, Porter’s Lodge, Penglais Campus, Aberystwyth University, Aberystwyth SY23 3DB. Difficulty: low The dissected upland plateaux of mid Wales have intrigued geomorphologists and geologists for over a century. Sites in the Afon Rheidol catchment have been the focus of investigations related to long-term valley development and river capture, Quaternary river evolution, hydrology (including the formation of soil pipes), impacts of mining, and recent river channel change.

Some of the more picturesque sites have also attracted the attention of tourists, artists and photographers since the Victorian era and rivers in flood have provided inspiration for Welsh poets since the medieval period. More recently the landscape attracted the producers of the detective series Hinterland. However, little information on the formation or significance of these sites is available for the interested visitor. This geomorphological tour of the Afon Rheidol catchment will focus on: (i) incised bedrock meanders at Ponterwyd; (ii) potholes and narrow gorge at Parsons Bridge; (iii) the waterfalls at Devil’s Bridge; (iv) bedrock reaches including well-formed potholes and other sculpted forms at Cwm Rheidol and Rheidol Falls; (v) a site of recent channel avulsion and biodiversity at Lovesgrove, including a discussion of river management challenges. Travel to and between sites will be by car, and will be arranged based on the number of participants. Participants will also be required to pay a £1 entry fee to Devil’s Bridge. Please email Hywel Griffiths to register your interest. Malham Cove, Malham Tarn, and Gordale Scar Walk Date/Time: Sunday, October 19th at 11am – 3pm from Malham village Contact: Laura Hayes Department of Geography, University of Sheffield, Sheffield, S. Yorks. [email protected]/ 07713 842494 Overview: Start: Malham village Start (OS ref): SD900427 Map (1:25,000): OL2 Yorks Dales South & West Parking: Car parks or roadside Distance: 7.2 miles (11.6 km) Time: Approx 3 hours Difficulty: Moderate Climbing: 307 metres Hazards: Care needed on limestone Map, overview, and good description of the walk can be found here Description: This is one of the most popular walks in the Yorkshire Dales and it’s easy to see why. There are three distinct geological features along this walk, Malham Cove, Malham Tarn, and Gordale Scar.

The three are relicts of the last Ice Age, carved by glacial meltwaters. Along the route, we will stop to look at limestone pavement, the abandoned 80 metre high Malham Cove, Malham Tarn, and Gordale Scar. We will also discuss the erosion of the limestone bedrock and look for evidence of the underground rivers and streams by looking at the shape of the landscape. Furthermore, there will be opportunities to discuss how the cove got its unusual shape, as well as look at a maps and surveys of the complex network of local caves where the old streams now flow.