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Books > Sport & Leisure > Sports & outdoor recreation > Water sports & recreations > Swimming & diving

Diving the Thistlegorm - The Ultimate Guide to a World War II Shipwreck (Paperback): Simon Brown, Jon Henderson, Alex Mustard,... Diving the Thistlegorm - The Ultimate Guide to a World War II Shipwreck (Paperback)
Simon Brown, Jon Henderson, Alex Mustard, Mike Postons
R766 R625 Discovery Miles 6 250 Save R141 (18%) Ships in 9 - 15 working days

Diving the Thistlegorm is a unique in-depth look at one of the world's best-loved shipwrecks, the World War II British Merchant Navy steamship, featuring award-winning underwater photography. In this highly visual guide, cutting edge photographic methods enable views of the famous wreck and its fascinating cargo which were previously impossible. Diving the Thistlegorm is the culmination of decades of experience, archaeological and photographic expertise, many hours underwater, months of computer processing time, and days spent researching and verifying the history of the ship and its cargo. For the first time, this book brings the rich and complex contents of the wreck together, identifying individual items and illustrating where they can be found. As the expert team behind the underwater photography, reconstructions and explanations take you through the Thistlegorm in incredible detail, you will discover not only what has been learned but also what mysteries are still to be solved.

Lifesaving for Beginners (Paperback): Josie Lloyd Lifesaving for Beginners (Paperback)
Josie Lloyd
R214 Discovery Miles 2 140 Ships in 12 - 17 working days

‘Heart-warming and life-affirming, full of humour and compassion’ ADELE PARKS, PLATINUM ‘A beautifully warm-hearted tale of friendship and hope’ MY WEEKLY ‘I loved this incredibly touching book…[it’s] a life-belt that will help any reader through a tough patch’ VERONICA HENRY *** In life’s stormy waters, it’s your friends who keep you afloat… Maddy Wolfe’s life has just capsized. After her twenty-year marriage suddenly implodes, she heads to Brighton to search for her estranged son, Jamie. But he’s nowhere to be found and for the first time, she’s totally alone. That is, until she meets the Salty Sea-Gals, a group of feisty sea-swimmers. Seventy-two-year old Helga is determined not to slow down, while thirty-something Tor is still figuring out who she is. Bereaved Dominica is trying to find a reason to carry on, and busy mum Claire is learning to put herself first for a change. As their regular cold-water plunges become a lifeline for them all, Maddy starts to realise that these brave women might just help her find both Jamie and herself. Together, will they turn the tide? 'Inspiring, heart-warming, utter joy' TAMMY COHEN ‘A beautiful read. You’ll love this one’ LOUISE BEECH ‘An absolute delight of a book!’ CELIA ANDERSON ‘Oh, this is such a wonderful read’ BISHOP’S STORTFORD INDEPENDENT *** Readers LOVE Josie Lloyd’s heart-warming novels: 'Inspiring and warm, heartfelt and real. I really loved this story' 'I rarely cry when reading but I was so emotionally impacted by this read I had a few cries in the bath reading it… a heart-warming portrayal of true friendship' 'Expect tears, laughter and a lot of fist pump in the air moments!’ 'A bloody brilliant, inspirational book of friendship and hope' 'Heartfelt and empowering' 'Affirming and inspiring… this book will give you all the feels!' 'I loved this book from the very beginning to the very end; it is a story that will resonate with every woman' 'Full of humour and compassion… I laughed and I cried' 'I absolutely loved this book. A testament to the power of friendship'

High Performance Youth Swimming (Hardcover): Jeanne Dekerle High Performance Youth Swimming (Hardcover)
Jeanne Dekerle
R4,061 Discovery Miles 40 610 Ships in 12 - 17 working days

High Performance Youth Swimming provides an in-depth view of the physiological, biomechanical, and multifaceted underpinning of swimming success, with a focus on youth. Considerations of both growth and maturation processes and the intricacies of the swimming training environment are core throughout the book. Divided into sections on physiology of swimming, motor control, biomechanics, and long-term well-being, the book also includes chapters from international contributors on: Strength and conditioning Skill acquisition Overtraining Burnout Respiratory health This volume is for those interested in enhancing their art of coaching through a deeper understanding of the science of swimming, including swimming coaches, those who wish - and question how - to best support youth swimming performance, or anyone interested in swimming science more generally.

Swimming Pools - Design and Construction, Fourth Edition (Paperback, 4th edition): Philip H. Perkins Swimming Pools - Design and Construction, Fourth Edition (Paperback, 4th edition)
Philip H. Perkins
R1,914 Discovery Miles 19 140 Ships in 12 - 17 working days

The fourth edition of this classic book provides a comprehensive treatise on the design and construction of swimming pools, both public and private. Significantly revised, it covers planning, materials, design, construction and finishing, water circulation and treatment, energy conservation, maintenance and repairs. This is a standard book for all civil engineers who need to design and construct swimming pools, and a useful reference on the design of water-retaining structures.

Diving - Dream Places You'd Rather Be (Hardcover): Diving - Dream Places You'd Rather Be (Hardcover)
R137 Discovery Miles 1 370 Ships in 12 - 17 working days

With a "Passions" book in your hand, you can turn to any page and escape life's little miseries - be it dull meetings, delayed trains, or waiting "on hold". Whether your passion is for diving or horse-riding, swooshing down the snow or lounging on the beach, each collection of sumptuous full-colour photographs will transport you to the world's ultimate locations. Compiled with expert input from professionals, these books are pure indulgence and will take you to wonderful places...including some which you never dreamed existed!

Total Immersion - The Revolutionary Way To Swim Better, Faster, and Easier (Paperback, New ed): Terry Laughlin Total Immersion - The Revolutionary Way To Swim Better, Faster, and Easier (Paperback, New ed)
Terry Laughlin; As told to John Delves
R425 R297 Discovery Miles 2 970 Save R128 (30%) Ships in 12 - 17 working days

Even though swimming is the closest thing to a perfect exercise you can name, too few people experience its full benefits. That's because most find themselves fighting to stay afloat, struggling for air, and feeling exhausted after just a lap or two, all of which makes this perfect exercise frustrating, laborious, and complicated. For the past fifteen years, veteran swim coach Terry Laughlin has been teaching adults how to swim better - and enjoy it more - by using his simple and original techniques. Laughlin turns traditional swimming beliefs inside out as he explains that it's technique - not athletic ability - that makes a strong swimmer. Laughlin teaches 'Fishlike Swimming,' focusing on slipping through the water rather than using muscle to overpower it. The key is working with the water, not against it - learning to swim ever faster and farther without losing a sense of flow, grace, economy, and balance.

Swim Wild and Free - A Practical Guide to Swimming Outdoors 365 Days a Year (Paperback): Simon Griffiths Swim Wild and Free - A Practical Guide to Swimming Outdoors 365 Days a Year (Paperback)
Simon Griffiths
R485 Discovery Miles 4 850 Ships in 12 - 17 working days

'I love this book ...' Louise Minchin 'The perfect companion for anyone who wants to swim outdoors.' Your Healthy Living This is the ultimate practical guide to get you swimming outdoors, 365 days a year. Whether you want to take your first tentative dip in your local wild swimming spot or take on a long-distance swimming challenge, you'll find everything you need to embrace outdoor swimming and enjoy the health and wellbeing benefits it offers. Have you ever wondered what kit you need for winter swimming or how to fall in love with the cold? This book includes dedicated information about each season, ensuring you have everything you need to make outdoor swimming something you can enjoy safely all year round. Discover how to overcome your outdoor swimming fears and why becoming an outdoor swimmer can help you cope better with the ups and downs of daily life. Find out the differences between swimming in oceans, rivers and lakes, learn how to become a stronger swimmer and how to design your own training plans. Featuring case studies from people with a wide range of backgrounds who have embraced the outdoor swimming lifestyle, including people living with physical disabilities and mental health challenges, this is the book for anyone who wants to swim outdoors.

Diving the Thistlegorm - The Ultimate Guide to a World War II Shipwreck (Hardcover): Simon Brown, Jon Henderson, Alex Mustard,... Diving the Thistlegorm - The Ultimate Guide to a World War II Shipwreck (Hardcover)
Simon Brown, Jon Henderson, Alex Mustard, Mike Postons; Foreword by Emad Khalil
R1,062 R845 Discovery Miles 8 450 Save R217 (20%) Ships in 9 - 15 working days

Diving the Thistlegorm is a unique in-depth look at one of the world's best-loved shipwrecks, the World War II British Merchant Navy steamship, featuring award-winning underwater photography. In this highly visual guide, cutting edge photographic methods enable views of the famous wreck and its fascinating cargo which were previously impossible. Sitting upright in 30m of clear, inviting Red Sea waters, the ship is packed with the materials of war. Largely complete lorries, trucks, motorbikes, aircraft spares and airfield equipment are crammed into the forward holds and the remains of other vehicles lie amongst boxes of ammunition in the exploded aft holds. Often referred to as an underwater museum, the wreck fascinates visitors for dive after dive. The book is the culmination of decades of experience, archaeological and photographic expertise, many hours underwater, months of computer processing time, and days spent researching and verifying the history of the ship and its cargo. For the first time, Diving the Thistlegorm brings the rich and complex contents of the wreck together, identifying individual items and illustrating where they can be found. As the expert team behind the underwater photography, reconstructions and explanations take you through the wreck in incredible detail, you will discover not only what has been learned but also what mysteries are still to be solved. Limited run of hardbacks.

A Field Guide to Blackwater Diving in Hawaii (Paperback): Jeff Milisen A Field Guide to Blackwater Diving in Hawaii (Paperback)
Jeff Milisen
R591 R508 Discovery Miles 5 080 Save R83 (14%) Ships in 10 - 15 working days
Eat Right, Swim Faster: Nutrition for Maximum Performance (Paperback): Eat Right, Swim Faster: Nutrition for Maximum Performance (Paperback)
R599 R489 Discovery Miles 4 890 Save R110 (18%) Ships in 10 - 15 working days
The Art of Swimming - Raising your performance with the Alexander Technique (Paperback): Steven Shaw The Art of Swimming - Raising your performance with the Alexander Technique (Paperback)
Steven Shaw 1
R353 Discovery Miles 3 530 Ships in 12 - 17 working days

Based on a 35-year voyage of discovery into the art of swimming, this work looks at the most popular strokes - front crawl, back stroke, breast stroke and butterfly - focusing on maximum efficiency and minimum strain. Swimming improves your flexibility, tones your body and can help to boost your self-esteem and produce a sense of well being. It is the nation's most popular sporting activity with 11.9 million people swimming regularly. However, most people don't know how to swim properly. Steven Shaw's method takes the Alexander Technique into the swimming pool - focusing on releasing tension from the head, neck and back. Steven has evolved a unique way of breaking down strokes into a series of therapeutic movements, which can be practised individually or with a partner, in a pool or on dry land. These provide the building blocks, which combine to make it possible for anyone to recraft their own strokes in a way that promote good body use and avoid injuries. Instead of performing physical actions in an automatic way, you begin to learn body awareness. This way of swimming not only feels freer and more open, it is graceful and has a sense of flow, often absent from the way many people swim.

National Geographic A Diver's Guide to the World - Remarkable Dive Travel Destinations Above and Beneath the Surface... National Geographic A Diver's Guide to the World - Remarkable Dive Travel Destinations Above and Beneath the Surface (Paperback)
Carrie Miller, Chris Taylor
R808 R462 Discovery Miles 4 620 Save R346 (43%) Ships in 12 - 17 working days

From Okinawa to the Outer Banks of North Carolina, find the ultimate travel itineraries for above and below water in this inspiring and comprehensive guide to the worlds 50 best scuba diving destinations. In this illuminating compendium, National Geographic travel expert Carrie Miller and dive master Christian Taylor reveal the 50 top destinations for both scuba divers and their vacation buddies. The result of a yearlong research journey, this beautifully illustrated guide offers unique itineraries with a wide range of options for divers of various levels, snorkelers, or landlubbers, providing the perfect vacation to satisfy everyone on your trip. Featuring tips on what to do, what to see, and where to be on land and at sea, each location includes top-rate shared experiences from unique hiking adventures to day-trip opportunities and sailboat tours, as well as solo excursions for when divers and land-based travellers choose to go their own ways. From the white sand beaches of Fregate Island and the rocky coastline of Croatia to the city of Laguna Beach and Australia's Great Barrier Reef, these wanderlust itineraries include: Diving with marine iguanas in the Galapagos Islands Learning a unique form of martial arts in Thailand Visiting the Maoi of Easter Island above and below water Swimming with sharks in Fiji Planting coral reef gardens in Mo'orea Diving among salmon in Alaska A black-water night dive off the coast of Kona, Hawaii And so much more! With crucial tips on where to go, what to do, and where to stay-plus how to preserve these precious destinations-this is the ultimate guide for divers, adventurers, and everyone in between.

Swim Fast - 100 Workouts to Improve Your Swim Technique (Paperback, 2nd edition): Blythe Lucero Swim Fast - 100 Workouts to Improve Your Swim Technique (Paperback, 2nd edition)
Blythe Lucero
R473 R390 Discovery Miles 3 900 Save R83 (18%) Ships in 9 - 15 working days

This book contains 100 workouts that focus on improving general swimming efficiency.The workouts are specific to each of the competitive swimming strokes: freestyle, backstroke, breastroke, and butterfly. Together, the 100 workouts blend swimming drills and conditioning sets that total up to 2,000 yards. Each workout is accompanied by a Focus Point, allowing swimmers to zero in on stroke improvements by eliminating drag, improving feel for the water, and swimming in a core-centered manner. Swimmers at any level will improve their swimming technique, efficiency, and performance with Swim Fast!

The Diver's Guide to Marine Life of Britain and Ireland (Paperback): Chris Wood The Diver's Guide to Marine Life of Britain and Ireland (Paperback)
Chris Wood
R620 R538 Discovery Miles 5 380 Save R82 (13%) Ships in 12 - 17 working days

This completely revised and greatly expanded Second Edition of the popular Diver's Guide to Marine Life of Britain and Ireland, covers almost 300 individual species and groups of species seen underwater, from tiny fragile sea spiders to the massive plankton-feeding Basking Shark. This guide aims to introduce divers and snorkellers to the most common and identifiable animals and plants they will encounter underwater, both widely distributed species and some of the specialities of different areas. - 265 individual species descriptions, each with information on habitat, size, depth range and distribution in easy to use icon format - Text emphasising the key features for identification of each species and possible confusions - Underwater photographs showing each species as the diver or snorkeller would see it - A unique `confidence guide' to identify which species are easily recognised and which are likely to require confirmation - Over 30 additional groups of plants and animals that cannot be identified individually underwater, but can be important features of the living community - Information on marine habitats, conservation status and non-native species in British and Irish waters.

Scuba Diving Malta Gozo Comino - The Ultimate Guide to Diving the Maltese Islands (Paperback, 4th edition): Peter G. Lemon Scuba Diving Malta Gozo Comino - The Ultimate Guide to Diving the Maltese Islands (Paperback, 4th edition)
Peter G. Lemon
R711 Discovery Miles 7 110 Ships in 9 - 15 working days

This comprehensive book is the diver's key to this rich variety of diving. Based on the author's experience over a period of almost twenty five years, it is a clearly laid out, A4-sized, full-colour, 224 page guide which takes you on a trip around the seas of Malta. The book features 45 shore dive sites, each illustrated with an aerial photograph and easy-to-follow 3D map. The most favourable entry and exit points, depths and underwater landscapes are shown, helping to make each dive as stress free and safe as possible. And there is a selection of 52 boat dives with information and history for each site. Hundreds of supporting photographs cover the marine life, wrecks, artificial reefs, local knowledge and places of interest. A book for all, Scuba Diving Malta Gozo Comino is suitable for experienced independent divers, those who require accompanied diving and beginners. Highly illustrated as well as informative, this guide makes an ideal coffee table book as much as it does a reference book or beautiful souvenir. **A FREE printed insert included with the book updates some key changes to dive sites which happened post-publication: Tugboat 2 at Exiles (St. Julian's Point), Sliema has moved into the reef; and the Azure Window, Dwejra (Gozo), which collapsed in 2017, changing several classic dive routes in that area.

Combat Divers - An illustrated history of special forces divers (Hardcover): Michael G. Welham Combat Divers - An illustrated history of special forces divers (Hardcover)
Michael G. Welham
R897 Discovery Miles 8 970 Ships in 12 - 17 working days

The full visual history of the special forces combat diver from World War II to the present day. Combat divers are an elite within an elite. Every special forces combat diver is required to pass selection twice - first into the elite military unit and then a combat diving qualification. The combat dive units themselves are tiny and the operations highly classified. The role of a military diver is inevitably a lonely and a dangerous one, whether clearing mines or striking from the sea against enemy-held targets. Fully illustrated with rare and unusual images, Combat Divers reveals their little-known yet fascinating operations, from Dutch Special Forces combat divers covertly operating against Somali pirates to the actions of Soviet Spetsnaz divers in Swedish territorial waters during the Cold War. It also examines how the most famous units, such as the US Navy SEALs and the Royal Navy's SBS, are currently operating and adapting to threats in a multitude of theatres. Combat Divers gives an insight into specialist kit and vehicles presently used and equipment that is being developed and trialed throughout the world. Covering a variety of kit, from dry deck shelters to mini-submarines and swimmer delivery vehicles, former Royal Marines Commando Michael G. Welham draws on his own extensive diving experience to reveal exactly how this equipment is used by special forces dive teams. As their kit and equipment constantly evolve, so does the nature of their work and even the team element. Combat Divers also details the first female combat divers and includes their own first-hand accounts about their groundbreaking roles within their respective units to create a fascinating history of these elite special forces operatives.

Reef Smart Guides Florida Keys - Scuba Dive Snorkel Surf (Paperback): Peter Mcdougall, Ian Popple, Otto Wagner Reef Smart Guides Florida Keys - Scuba Dive Snorkel Surf (Paperback)
Peter Mcdougall, Ian Popple, Otto Wagner
R1,037 R840 Discovery Miles 8 400 Save R197 (19%) Ships in 10 - 15 working days

Find the Best Beach in the Keys to Dive#1 New Release in Florida Keys Travel Books and Scuba Travel Guides The newest addition to the Reef Smart series, Reef Smart Guides Florida Keys is the #1 guide to finding the best beach in the Keys to dive-from North Key Largo to the Dry Tortugas.An essential guide to exploring the Florida Keys. Whether you're looking to spice up your current dive log book or if you're looking for the perfect adventure gift to give, Reef Smart Guide Florida Keys is it! This guide helps snorkelers, swimmers, and scuba divers in the keys find the best beach in the keys-along with access points and what to expect along the way. Detailed descriptions and maps for your cool new hobby in Florida. With incredible detail, and Reef Smart's 3D rendered illustrations, learn every aspect of over 100 sites. From currents and depths to dangers and suggested routes-even reef guides and common wildlife-everything is planned out-so you can dive without a hitch! In this guide to snorkeling Florida Keys beaches, you'll find: A guide to diving in the Keys with descriptions to over 100 sites 3D rendered illustrations to prepare you for each site on your Florida adventure Information on Florida nature and species, you'll find while snorkeling Florida Keys sites If you enjoy diving books like 100 Dives of a Lifetime, Florida Bucket List Adventure Guide & Journal, or Reef Smart Guides Bonaire, you'll love Reef Smart Guide Florida Keys.

Rip Current Prediction System for Swimmer Safety - Towards operational forecasting using a process based model and nearshore... Rip Current Prediction System for Swimmer Safety - Towards operational forecasting using a process based model and nearshore bathymetry from video (Hardcover)
Leo Sembiring
R4,493 Discovery Miles 44 930 Ships in 12 - 17 working days

Rip currents are among the most dangerous coastal hazards for the bathing public, and contribute to the highest portion of beach rescues all over the world. In order to help life guards in planning and preparing rescue resources so that casualties can be minimized, information about where and when rip currents may occur is needed. This can be provided by a predictive tool which combines meteorological forecasts, hydrodynamic models and remote-sensed observations. In this thesis, a methodology which can provide rip current forecasts for swimmer safety is developed and tested for Egmond aan Zee beach in the Netherlands. The approach uses the numerical model system CoSMoS, combined with daily estimates of nearshore-scale bathymetry obtained from a system called cBathy, which infers depths by estimating wave celerities from video imaging. Furthermore, in order to gain more knowledge on occurrences of rips at Egmond beach, a numerical study on the kinematics of rip currents and the safety implications for swimmers is presented as well. Coupling the video bathymetry estimates with CoSMoS in forecast mode shows that dangerous rips were correctly predicted. This thesis demonstrates the potential application of the proposed system for providing rip current forecasts at Egmond aan Zee.

The Lido - The most uplifting, feel-good summer read of the year (Paperback): Libby Page The Lido - The most uplifting, feel-good summer read of the year (Paperback)
Libby Page 1
R313 R257 Discovery Miles 2 570 Save R56 (18%) Ships in 9 - 15 working days

THE SUNDAY TIMES TOP TEN BESTSELLER Meet Rosemary, 86, and Kate, 26: dreamers, campaigners, outdoor swimmers... Rosemary has lived in Brixton all her life, but everything she knows is changing. Only the local lido, where she swims every day, remains a constant reminder of the past and her beloved husband George. Kate has just moved and feels adrift in a city that is too big for her. She's on the bottom rung of her career as a local journalist, and is determined to make something of it. So when the lido is threatened with closure, Kate knows this story could be her chance to shine. But for Rosemary, it could be the end of everything. Together they are determined to make a stand, and to prove that the pool is more than just a place to swim - it is the heart of the community. 'Feel-good and uplifting, this charming novel is full of heart' LUCY DIAMOND

Swimming Pools - Design and Construction, Fourth Edition (Hardcover, 4th edition): Philip H. Perkins Swimming Pools - Design and Construction, Fourth Edition (Hardcover, 4th edition)
Philip H. Perkins
R8,314 Discovery Miles 83 140 Ships in 12 - 17 working days


The fourth edition of this classic book provides a comprehensive treatise on the design and construction of swimming pools, both public and private. Significantly revised, it covers planning, materials, design, construction and finishing, water circulation and treatment, energy conservation, maintenance and repairs. This is a standard book for all civil engineers who need to design and construct swimming pools, and a useful reference on the design of water-retaining structures.

eBook available with sample pages: 020347788X

Deep - Freediving, Renegade Science, and What the Ocean Tells Us about Ourselves (Paperback): James Nestor Deep - Freediving, Renegade Science, and What the Ocean Tells Us about Ourselves (Paperback)
James Nestor
R510 R382 Discovery Miles 3 820 Save R128 (25%) Ships in 10 - 15 working days
Into the Abyss, 1: The Diving Trilogy (Paperback): Rod Macdonald Into the Abyss, 1: The Diving Trilogy (Paperback)
Rod Macdonald
R623 R566 Discovery Miles 5 660 Save R57 (9%) Ships in 9 - 15 working days

Into the Abyss, the first volume in The Diving Trilogy, is a fascinating collection of true life diving adventures from Rod's long and varied diving career. It follows his progression from novice diver in the 1980s through the dangers of the deep air diving era and on to trimix diving in the 1990s where divers began to use commercial mixed breathing gases as the sport of technical diving was born. This opened up vast, previously inaccessible, swathes of the seabed, ushering in a great era of discovery of virgin shipwrecks, lost in time. Rod takes the reader to famous shipwreck sites around the world, from the sunken Japanese Fleet at the bottom of Truk Lagoon and Palau in the Pacific, to diving the third largest whirlpool in the world - the Corryvreckan Whirlpool off the west coast of Scotland. He describes this and many other terrifying incidents in which he and his colleagues have come close to death. The book is filled with danger, drama and excitement and chronicles his all-consuming passion, taking the reader on a spellbinding journey beneath the waves.

Why We Swim (Paperback): Bonnie Tsui Why We Swim (Paperback)
Bonnie Tsui
R447 R340 Discovery Miles 3 400 Save R107 (24%) Ships in 10 - 15 working days

An immersive, unforgettable, and eye-opening perspective on swimming—and on human behavior itself.

We swim in freezing Arctic waters and piranha-infested rivers to test our limits. We swim for pleasure, for exercise, for healing. But humans, unlike other animals that are drawn to water, are not natural-born swimmers. We must be taught. Our evolutionary ancestors learned for survival; now, in the twenty-first century, swimming is one of the most popular activities in the world.

Why We Swim is propelled by stories of Olympic champions, a Baghdad swim club that meets in Saddam Hussein’s palace pool, modern-day Japanese samurai swimmers, and even an Icelandic fisherman who improbably survives a wintry six-hour swim after a shipwreck. New York Times contributor Bonnie Tsui, a swimmer herself, dives into the deep, from the San Francisco Bay to the South China Sea, investigating what it is about water that seduces us, despite its dangers, and why we come back to it again and again.

Dive Palau - The Shipwrecks (Hardcover): Rod Macdonald Dive Palau - The Shipwrecks (Hardcover)
Rod Macdonald
R935 R833 Discovery Miles 8 330 Save R102 (11%) Ships in 9 - 15 working days

Recounted with his usual level of meticulous historical research, Rod weaves an easily readable account of the build-up to and implementation of Operation Desecrate 1 - the raid undertaken to destroy Japanese ships and aircraft in the lagoons of Palau. He uses his intimate knowledge of shipwrecks to reveal in glorious detail each of the 20 major Japanese WWII shipwrecks lying at the bottom of the Palauan lagoons today. On 30th March, 1944 Grumman F6F Hellcat fighters made an Initial fighter sweep of the lagoon to destroy Japanese air cover. Simultaneously Grumman Avenger torpedo-bombers dropped mines and successive group strikes of torpedo bombers and dive-bombers sank the shipping and destroyed the airfields. Palau was neutralised as a Japanese naval and air base in a repeat of the same Task Force 58 raid, Operation Hailstone, on Truk Lagoon 1,000 miles to the east just six weeks earlier. A number of long-lost wrecks have recently been relocated including a Japanese freighter filled with depth charges and Army helmets. This was found in 1989 but remained unidentified until now - after painstaking research Rod reveals her identify for the first time in the book. Each wreck is covered in detail and is supported by underwater photography and by fabulous illustrations by renowned artist Rob Ward. The shipwrecks of Palau are now revealed.

Rip Current Prediction System for Swimmer Safety - Towards operational forecasting using a process based model and nearshore... Rip Current Prediction System for Swimmer Safety - Towards operational forecasting using a process based model and nearshore bathymetry from video (Paperback)
Leo Sembiring
R1,637 Discovery Miles 16 370 Ships in 12 - 17 working days

Rip currents are among the most dangerous coastal hazards for the bathing public, and contribute to the highest portion of beach rescues all over the world. In order to help life guards in planning and preparing rescue resources so that casualties can be minimized, information about where and when rip currents may occur is needed. This can be provided by a predictive tool which combines meteorological forecasts, hydrodynamic models and remote-sensed observations. In this thesis, a methodology which can provide rip current forecasts for swimmer safety is developed and tested for Egmond aan Zee beach in the Netherlands. The approach uses the numerical model system CoSMoS, combined with daily estimates of nearshore-scale bathymetry obtained from a system called cBathy, which infers depths by estimating wave celerities from video imaging. Furthermore, in order to gain more knowledge on occurrences of rips at Egmond beach, a numerical study on the kinematics of rip currents and the safety implications for swimmers is presented as well. Coupling the video bathymetry estimates with CoSMoS in forecast mode shows that dangerous rips were correctly predicted. This thesis demonstrates the potential application of the proposed system for providing rip current forecasts at Egmond aan Zee.

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