08 Feb 2021 Eindrucksvolle Wahrzeichen an Englands Küste
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Influence of the Spatial Pressure Distribution of Breaking Wave
Journal of Marine Science and Engineering Article Influence of the Spatial Pressure Distribution of Breaking Wave Loading on the Dynamic Response of Wolf Rock Lighthouse Darshana T. Dassanayake 1,2,* , Alessandro Antonini 3 , Athanasios Pappas 4, Alison Raby 2 , James Mark William Brownjohn 5 and Dina D’Ayala 4 1 Department of Civil and Environmental Technology, Faculty of Technology, University of Sri Jayewardenepura, Pitipana 10206, Sri Lanka 2 School of Engineering, Computing and Mathematics, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK; [email protected] 3 Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands; [email protected] 4 Department of Civil, Environmental and Geomatic Engineering, Faculty of Engineering Science, University College London, Gower Street, London WC1E 6BT, UK; [email protected] (A.P.); [email protected] (D.D.) 5 College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK; [email protected] * Correspondence: [email protected] Abstract: The survivability analysis of offshore rock lighthouses requires several assumptions of the pressure distribution due to the breaking wave loading (Raby et al. (2019), Antonini et al. (2019). Due to the peculiar bathymetries and topographies of rock pinnacles, there is no dedicated formula to properly quantify the loads induced by the breaking waves on offshore rock lighthouses. Wienke’s formula (Wienke and Oumeraci (2005) was used in this study to estimate the loads, even though it was not derived for breaking waves on offshore rock lighthouses, but rather for the breaking wave loading on offshore monopiles. -
Definition of Chalk
1.1: Introduction: 1.1.1: Definition of chalk: Chalk is a soft, white, porous sedimentary carbonate rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate or CaCO3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite shells (coccoliths) shed from micro-organisms called coccolithophores. Flint (a type of chert unique to chalk) is very common as bands parallel to the bedding or as nodules embedded in chalk. It is probably derived from sponge spicules or other siliceous organisms as water is expelled upwards during compaction. Flint is often deposited around larger fossils such as Echinoidea which may be silicified (i.e. replaced molecule by molecule by flint). Chalk as seen in Cretaceous deposits of Western Europe is unusual among sedimentary limestone in the thickness of the beds. Most cliffs of chalk have very few obvious bedding planes unlike most thick sequences of limestone such as the Carboniferous Limestone or the Jurassic oolitic limestones. This presumably indicates very stable conditions over tens of millions of years. Figure (1-1): Calcium sulphate 1 "Nitzana Chalk curves" situated at Western Negev, Israel are chalk deposits formed at the Mesozoic era's Tethys Ocean Chalk has greater resistance to weathering and slumping than the clays with which it is usually associated, thus forming tall steep cliffs where chalk ridges meet the sea. Chalk hills, known as chalk downland, usually form where bands of chalk reach the surface at an angle, so forming a scarp slope. Because chalk is well jointed it can hold a large volume of ground water, providing a natural reservoir that releases water slowly through dry seasons. -
Black's Guide to Devonshire
$PI|c>y » ^ EXETt R : STOI Lundrvl.^ I y. fCamelford x Ho Town 24j Tfe<n i/ lisbeard-- 9 5 =553 v 'Suuiland,ntjuUffl " < t,,, w;, #j A~ 15 g -- - •$3*^:y&« . Pui l,i<fkl-W>«? uoi- "'"/;< errtland I . V. ',,, {BabburomheBay 109 f ^Torquaylll • 4 TorBa,, x L > \ * Vj I N DEX MAP TO ACCOMPANY BLACKS GriDE T'i c Q V\ kk&et, ii £FC Sote . 77f/? numbers after the names refer to the page in GuidcBook where die- description is to be found.. Hack Edinburgh. BEQUEST OF REV. CANON SCADDING. D. D. TORONTO. 1901. BLACK'S GUIDE TO DEVONSHIRE. Digitized by the Internet Archive in 2010 with funding from University of Toronto http://www.archive.org/details/blacksguidetodevOOedin *&,* BLACK'S GUIDE TO DEVONSHIRE TENTH EDITION miti) fffaps an* Hlustrations ^ . P, EDINBURGH ADAM AND CHARLES BLACK 1879 CLUE INDEX TO THE CHIEF PLACES IN DEVONSHIRE. For General Index see Page 285. Axniinster, 160. Hfracombe, 152. Babbicombe, 109. Kent Hole, 113. Barnstaple, 209. Kingswear, 119. Berry Pomeroy, 269. Lydford, 226. Bideford, 147. Lynmouth, 155. Bridge-water, 277. Lynton, 156. Brixham, 115. Moreton Hampstead, 250. Buckfastleigh, 263. Xewton Abbot, 270. Bude Haven, 223. Okehampton, 203. Budleigh-Salterton, 170. Paignton, 114. Chudleigh, 268. Plymouth, 121. Cock's Tor, 248. Plympton, 143. Dartmoor, 242. Saltash, 142. Dartmouth, 117. Sidmouth, 99. Dart River, 116. Tamar, River, 273. ' Dawlish, 106. Taunton, 277. Devonport, 133. Tavistock, 230. Eddystone Lighthouse, 138. Tavy, 238. Exe, The, 190. Teignmouth, 107. Exeter, 173. Tiverton, 195. Exmoor Forest, 159. Torquay, 111. Exmouth, 101. Totnes, 260. Harewood House, 233. Ugbrooke, 10P. -
£Utufy !Fie{T{Societyn.F:Wsfetter
£utufy!fie{t{ Society N.f:ws fetter 9{{;32 Spring2002 CONTENTS Page Report of LFS AGM 2/3/2002 Ann Westcott 1 The Chairman's address to members Roger Chapple 2 Editorial AnnWestcott 2 HM Queen's Silver Jubilee visit Myrtle Ternstrom 6 Letters to the Editor & Incunabula Various 8 The Palm Saturday Crossing Our Nautical Correspondent 20 Marisco- A Tale of Lundy Willlam Crossing 23 Listen to the Country SPB Mais 36 A Dreamful of Dragons Charlie Phlllips 43 § � AnnWestcott The Quay Gallery, The Quay, Appledbre. Devon EX39 lQS Printed& Boun d by: Lazarus Press Unit 7 Caddsdown Business Park, Bideford, Devon EX39 3DX § FOR SALE Richard Perry: Lundy, Isle of Pufflns Second edition 1946 Hardback. Cloth cover. Very good condition, with map (but one or two black Ink marks on cover) £8.50 plus £1 p&p. Apply to: Myrtle Ternstrom Whistling Down Eric Delderfleld: North Deuon Story Sandy Lane Road 1952. revised 1962. Ralelgh Press. Exmouth. Cheltenham One chapter on Lundy. Glos Paperback. good condition. GL53 9DE £4.50 plus SOp p&p. LUNDY AGM 2/3/2002 As usual this was a wonderful meeting for us all, before & at the AGM itself & afterwards at the Rougemont. A special point of interest arose out of the committee meeting & the Rougemont gathering (see page 2) In the Chair, Jenny George began the meeting. Last year's AGM minutes were read, confirmed & signed. Mention was made of an article on the Lundy Cabbage in 'British Wildlife' by Roger Key (see page 11 of this newsletter). The meeting's attention was also drawn to photographs on the LFS website taken by the first LFS warden. -
Walking to the White Cliffs of Dover
Walking to The White Cliffs of Dover The White Cliffs of Dover, Take a walk through Dover, Langdon Cliffs, Upper Road, past the museum and along the Dover seafront to the iconic White Cliffs. On your way you'll see the historic TRAIL medieval castle while viewing the Walking hustle and bustle of the world's busiest passenger port. When GRADE you get to the cliffs, call in to our Moderate visitor centre to collect a free walking map and grab a bite to DISTANCE eat or treat yourself to something 2 miles (3.3km) from our shop. TIME Terrain 50 The walk is mostly on paved surfaces with some steps; mostly flat, with one very steep section. The route is challenging with a pushchair. OS MAP 138 Things to see Contact 01304 207326 [email protected] Facilities The White Cliffs are open to walkers free of charge everyday of the year. Dover Museum The seafront The Port of Dover The cafe, gift shop and toilets Why not visit Dover Museum? Enjoy views of the harbour and Take a moment to look at the are open daily 10-5pm, March The museum has a fascinating castle. From the promenade you’ll bustle of the port below you. to October with shorter hours in collection of items from the be able to see the ships coming Ferries arrive and depart 24hrs winter. local area, including the world's and going from the ferry terminal a day traveling to France and A short walk from the visitor oldest seagoing vessel the Dover and may even see a giant cruise Belgium. -
The Story of Our Lighthouses and Lightships
E-STORy-OF-OUR HTHOUSES'i AMLIGHTSHIPS BY. W DAMS BH THE STORY OF OUR LIGHTHOUSES LIGHTSHIPS Descriptive and Historical W. II. DAVENPORT ADAMS THOMAS NELSON AND SONS London, Edinburgh, and Nnv York I/K Contents. I. LIGHTHOUSES OF ANTIQUITY, ... ... ... ... 9 II. LIGHTHOUSE ADMINISTRATION, ... ... ... ... 31 III. GEOGRAPHICAL DISTRIBUTION OP LIGHTHOUSES, ... ... 39 IV. THE ILLUMINATING APPARATUS OF LIGHTHOUSES, ... ... 46 V. LIGHTHOUSES OF ENGLAND AND SCOTLAND DESCRIBED, ... 73 VI. LIGHTHOUSES OF IRELAND DESCRIBED, ... ... ... 255 VII. SOME FRENCH LIGHTHOUSES, ... ... ... ... 288 VIII. LIGHTHOUSES OF THE UNITED STATES, ... ... ... 309 IX. LIGHTHOUSES IN OUR COLONIES AND DEPENDENCIES, ... 319 X. FLOATING LIGHTS, OR LIGHTSHIPS, ... ... ... 339 XI. LANDMARKS, BEACONS, BUOYS, AND FOG-SIGNALS, ... 355 XII. LIFE IN THE LIGHTHOUSE, ... ... ... 374 LIGHTHOUSES. CHAPTER I. LIGHTHOUSES OF ANTIQUITY. T)OPULARLY, the lighthouse seems to be looked A upon as a modern invention, and if we con- sider it in its present form, completeness, and efficiency, we shall be justified in limiting its history to the last centuries but as soon as men to down two ; began go to the sea in ships, they must also have begun to ex- perience the need of beacons to guide them into secure channels, and warn them from hidden dangers, and the pressure of this need would be stronger in the night even than in the day. So soon as a want is man's invention hastens to it and strongly felt, supply ; we may be sure, therefore, that in the very earliest ages of civilization lights of some kind or other were introduced for the benefit of the mariner. It may very well be that these, at first, would be nothing more than fires kindled on wave-washed promontories, 10 LIGHTHOUSES OF ANTIQUITY. -
Chemistry of Chalk and Mgco3, Explored Through the Sport of Weightlifting
Teacher Notes: Chemistry of chalk and MgCO3, explored through the sport of weightlifting Sport: Weightlifting Age group: 11 - 14 These notes are designed as a guide on how to lead the session, and are written in a script format. If you wish to lead the session in a different way please feel free to do so. The red text indicates what each slide includes, while the blue text highlights the key points being discussed in each slide. The owl symbol demonstrates where students are required to perform a task (eg questions, experiment, etc.). These are used to help you observe the students learning and recap any information which the students have found difficult to understand. Depending on the level of student understanding this module may require two lessons to complete. Slide 1 Opening slide The first slide provides the title of the session and a picture of a weightlifter dusting chalk containing title of off his hands, introducing the topic and drawing a visual picture of the link between the session and background sport and chemistry. picture as a visual introduction. Slides 2 & 5 – Introduction – Weightlifting and the link to chemistry Weightlifting, the sport of lifting weights in a variety of ways to a variety of different positions, has routes back to ancient times, with the lifting of heavy stones to determine a person’s strength. This has continued through the ages and in many strongman contests today heavy stones are lifted, or attempted to be lifted. Slide 2 gives a small amount of Weightlifting as we know of it today started in Germany in the mid-1800s and quickly background to spread through the rest of Continental Europe. -
Introduction: Intertidal Zone and Tides
Introduction: Intertidal zone and tides People have been populating and using the coast and intertidal zone as a resource since prehistoric times. As a consequence, there are many different kinds of archaeological features to explore in the intertidal and coastal zone. Unlike terrestrial sites, the archaeology in the intertidal zone is not made up of layers; features from prehistory and the modern day can be found on the same horizon, adjacent to each other but separated by thousands of years in date. In addition, the anaerobic conditions created in the intertidal zone mean that finds and features which usually don’t survive, frequently do survive, such as Bronze Age sewn-plank boats and wooden trackways. This booklet of information and activity ideas has been created by Megan Clement from the Heritage Lottery Funded Coastal and Intertidal Zone Archaeological Network (www.citizan.org.uk ) to support the 2017 Young Archaeologists’ Club Leaders’ Weekend. It provides inspiration to help you explore the rich archaeology of the coastal and intertidal zone with groups of young people. Intertidal zone The intertidal zone is the part of the foreshore which gets covered by the sea at high tide and is uncovered at low tide. The area which makes up the intertidal zone can vary dramatically in size. The height of the tide varies too. The Severn Estuary for instance has the largest tidal range in the UK (and the second largest in the world) at 14m. The tidal range is the name given to the difference in the height of the water between low tide and high tide. -
Educator Materials (PDF)
Written in Chalk Phenomenal Image Educator Materials HOW TO USE THIS RESOURCE The images for this resource, showing the chalk cliffs of Dover, England, and the microscopic skeletons of coccolithophore algae, can serve as an anchoring phenomenon to explore the key concepts described below. The pedagogical practice of using phenomena to provide a context for understanding science concepts and topics is an implementation practice supported by the Next Generation Science Standards (NGSS). Phenomena are observable occurrences that students can use to generate science questions for further investigation or to design solutions to problems that drive learning. In this way, phenomena connect learning with what is happening in the world while providing students with the opportunity to apply knowledge while they are building it. The “Implementation Suggestions” and “Teaching Tips” sections provide options for incorporating the images into a curriculum or unit of study and can be modified to use as a standalone activity or to supplement an existing lesson. The student handout includes reproductions of the images and the “Background Information” section. KEY CONCEPTS A. Environmental factors such as topography, temperature, and ocean pH can determine the ability of microscopic algae to survive and reproduce over the geologic timescale. B. Specific biological processes, geologic internal processes (tectonic uplift), and surface processes (weathering and erosion) are causal agents in building up and wearing down the Cliffs of Dover over time. C. The geologic record found in the chalk cliffs of Dover can help predict the future effects of climate change on the chemical composition (e.g., ocean pH) and biodiversity of the oceans. -
Uk-England-South-Coast-Self-Drive
Take to the South Coast on this incredible 5-day road trip of England’s seaside towns, from the White Cliffs of Dover to the charming Brighton and the wonderful Isle of Wight. Set out from Heathrow Airport to discover where English soil meets the Channel, encountering the villages and towns that have shaped counties from Kent and Sussex to Hampshire and Dorset. You’ll also get the chance to visit the Isle of Wight and put your feet up in this endearing holiday spot before continuing on to Bournemouth and wider Dorset. dover to dorset 2 | drivenow.com.au – Helping travellers find the best deals on campervan and car rental since 2003 TABLE OF CONTENTS 4 DAY 1: Heathrow - Dover 5 DAY 2: Dover - Rye - Brighton 6 DAY 3: Brighton - Portsmouth - Isle of Wight 7 DAY 4: Isle of Wight - Bournemouth 8 DAY 5: Bournemouth - Dorchester - Weymouth 9 CONCLUSION 3 | drivenow.com.au – Helping travellers find the best deals on campervan and car rental since 2003 day Heathrow - Dover (1 hour, 45 minutes) 1 Finding the right car for your South Coast road trip is easy with DriveNow. Simply select the type of vehicle N you want, pick your dates and let DriveNow do all the NW NE hard work and find you the best deals for your trip. W E This means that when you touch down at Heathrow, SW SE all you have to do is rock on up to your hire car firm, S pick up the keys and jump behind the wheel. You’ll be skirting around the boundary of London on the M25 before following the M20 south to Dover. -
Seas Safe for Centuries. These Wasn't Until the Early 18Th Century
Lighthouses have played a vital role wasn’t until the early 18th century in shining a light to keep sailors, that modern lighthouse construction fishermen and all who travel our began in the UK. An increased in seas safe for centuries. These transatlantic trade encouraged the buildings are iconic in their own building of lighthouses, their right, and are often found in some of purpose being to warn trading ships the most remote parts of the UK. against hazards, such as reefs and rocks. There are more than 60 Dating back to the Roman times, lighthouses dotted around the UK. Britain’s early lighthouses were often The charity Trinty House looks after found in religious buildings sat on many of these lighthouses to help hilltops along the coast. However, it maintain the safety of seafarers. Lizard Point Lighthouse in Cornwall is the site. It was granted, but with one the most southerly lighthouse on condition… At the time, the Cornish mainland Britain. It is a dual towered coast was rife with piracy and lighthouse off the Cornish coast and has smuggling, and so it was required that stood there since 1619. the light was extinguished when the enemy approached, for fear that it A local man, Sir John Killigrew, applied would guide the unwanted criminals for the first patent for a lighthouse on home. The first lighthouse was Egypt's Pharos of Alexandria, built in the third century BC. The lighthouse of Alexandria was made from a fire on a platform to signal the port entrance. Meanwhile, the world's oldest existing lighthouse is considered to be Tower of Hercules, a UNESCO World Heritage Site that marks the entrance of Spain's La Coruña harbor. -
Cultura E Civiltà the White Cliffs of Dover Trascrizione the White Cliffs of Dover Form Part of the Coastline of England Facing
Cultura e Civiltà The White Cliffs of Dover Trascrizione The White Cliffs of Dover form part of the coastline of England facing France. The cliffs are as high as 350 feet in some places. They have a striking appearance because the cliff face is made of chalk with streaks of black flint. Thousands of years ago, the whole area was under the sea. Lots of very small sea creatures died and over the years their bones and shells were pressed together and became chalk. They gradually rose up, becoming white cliffs. Erosion from the seawater keeps the cliffs white and where the sea cannot reach them, they are covered by vegetation. The White Cliffs of Dover are often considered a symbol of England because they are the last sight that travelers see when they leave England, and the first thing they see when they arrive. In fact, at the point where they rise, England is only 21 miles from the French coast. These cliffs were an important part of the defenses of Britain during both World Wars. However, their importance goes much farther back in history. The White Cliffs of Dover stood tall through several invasion attempts, from Julius Caesar in 55 BC to Hitler’s Nazis in 1940. Under the Romans, the Cliffs were used as the base for a lighthouse. In the Middle Ages, Dover Castle, nicknamed ‘The Key to England’ because of its strategic location, was built there. It is the largest castle in England. During the Napoleonic Wars, prisoners of the castle carved secret tunnels under the Cliffs, which Winston Churchill later used as his World War II headquarters.