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SCUBA News 83~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Hello. Thanks again for filling in our survey at http://www.scubatravel.co.uk/scubanews81.html. The results are below. One of the questions concerned the format of the newsletter, and your answers prompted us to change the way we send SCUBA News. Please read the survey results below to find out what we've done. Should you wish to cancel your subscription to SCUBA News you may do so at http://www.scubatravel.co.uk/news.html Contents: - What's new at SCUBA Travel? What's New at SCUBA
Travel? Diving Fiji We have more on the diving around Fiji, including Robinson
Crusoe Island which was rated by a reader as "one of best dives ever: saw
everything from turtles to manta rays to sharks, rolling beds of blue and red
coral, fab nudibranchs, leaf fish and scorpionfish...". ADVERT:__________________________________________________ Diving the Dominican Republic We have a new page on the diving around the Dominican Republic:
dive sites, dive operators and recommended books. Your Letters Tunisia I'm staying at Marhaba Beach Hotel, Sousse, in April. It would be great if you would let me know about diving there. I'm trying to find info but its not easy! Thanks! Alice If you can help Alice post on the Diving Board at http://www.scubatravel.co.uk/forum/viewtopic.php?p=1264 __________________________________________________________ SCUBA News Survey: What
Next? In January we asked you to fill in a survey to help us improve this newsletter and the SCUBA Travel web site. Thank you very much to all who did. We had some very detailed suggestions for future issues. SCUBA News Format: Text versus HTML One of the questions asked was if you would rather receive the newsletter in text or HTML format. This confused some readers as we didn't explain properly. Up until now SCUBA News has been sent out in plain text. The advantages of this are that it is quick to download and can be opened in any e-mail program. However, we have little control over how the newsletter looks when it reaches you. The alternative is to send it in HTML format. With HTML we can make the newsletter look a lot more fancy, including pictures for example. The disadvantages of HTML are that some e-mail programs might not be able to display the newsletter properly and that HTML mails take longer to download. 60% of readers who expressed a preference chose HTML. The text afficionados, though, made it very plain that they wanted the newsletter to continue as it was. We've thus changed our delivery method to offer you the choice of HTML or text. This issue has gone out to all previous subscribers as the text version. If you want to change to the HTML version then go to http://www.scubatravel.co.uk/SCUBANews/. To stop anyone changing your preference without you knowing it, you will need to enter your e-mail address and have an identication code sent to you. (If you subscribed within the last couple of weeks then you will have already chosen text or HTML and need do nothing.) As this is the first issue sent in this way, we'd appreciate any feedback on the new format of SCUBA News. E-mail news@scubatravel.co.uk SCUBA Topics You voted Diving News, Coral Reef Facts, Creature of the Month and Diving and Travel articles as the most popular topics in SCUBA News. At least nine out of ten people were very or fairly interested in these topics. If you would like to contribute some notes on the diving in your part of the world, or wherever you have just visited, please e-mail them to news@scubatravel.co.uk. The least liked items were the adverts but even so nearly half of you found them fairly or very interesting. All the Diving News subjects were popular, with sea life news and research related to diving topping the table. Several of you suggested we expand the coral reef facts section to include more general ocean facts. Look out for the Ocean Facts section then, alternating with the Creature of the Month. Any ocean questions you'd like answering (regarding oceans, sealife, weather, etc) send to news@scubatravel.co.uk. We've quite a few to get us started - thanks to Annabel of Aquamarine Diving Bali for those. If you haven't yet completed the survey, but would like to have your say in the direction of SCUBA News, go to http://www.scubatravel.co.uk/scubanews81.html __________________________________________________________ SCUBA News Bookshelf 
Kevin F. McMurray Mini Review by Paul Walker This was a great insight into the early developments of deep wreck diving stateside, if you can get past a bit of the U.S flag waving I'm sure most people will find the book entertaining if not a little morose at times. Gary Gentile is a real "seen it, done it" type of guy and appears frequently in this title: without him the story would not have been the same. A real inspiration. Deep Descent: Adventure and Death Diving the Andrea Doria is available from Amazon.co.uk and Amazon.com __________________________________________________________ Ocean Facts: Why is Canada Colder than the UK when they
are both on the same
Latitude? The oceans absorb and lose heat slowly. As the water surface heats up, heat is transferred to deeper water and stored there. The opposite happens on cooling: heat is lost to the atomosphere slowly because it has to travel up from the depths. There is a further delay in redistributing the heat because ocean currents take time to move around the globe. The heat storage capacity of water combined with the movement of currents provide efficient means of transferring a lot of heat from one part of the world to another. This is why the UK is much warmer than Canada. The Gulf Stream current brings warm water from the Gulf of Mexico. As the water moves northeast it begins to lose heat to the atmosphere. The air is gradually warmed and blown across western Europe by the prevailing Westerly winds. So in winter, when the sun doesn't give much warmth, the North Atlantic Ocean acts as a radiator, producing relatively mild winters. Further Reading __________________________________________________________ Diving News From Around the
World If you would like to read the diving news as it happens, without waiting for this newsletter, then grab the SCUBA News feed from http://www.scubatravel.co.uk/newsfeed.html It's free and automatically updates you with the latest SCUBA news via your web site, e-mail or any news feed reader. Pelagic Recalls Dive Computers Due to Decompression Hazard When performing a switch from one gas to another
during a dive, the Oceanic or AERIS dive computer's display will lock up and not
return to the main dive screen that displays dive times. This can cause divers
to enter decompression unknowingly or the diver could ascend prematurely,
resulting in decompression sickness. Oceanic-brand ATOM 2.0 dive computers with
serial numbers 1 through 2,079 and AERIS-brand EPIC dive computers with serial
numbers 1 through 712 have therefore been recalled. You should stop using the
recalled dive computers and take them to an authorised Oceanic or AERIS dealer
to get a free software upgrade. Mexico Passes Shark Finning Ban In a surprising move, the Mexican government has
published sweeping new regulations and protections for sharks, including a shark
finning ban, an extension of the moratorium on new commercial shark fishing
permits, and extensive protections for great white sharks, whale sharks, basking
sharks and manta rays. ADVERT:__________________________________________________ Scientist Says Sea Level Rise Could Accelerate Data from satellites is showing that sea-level
rises and polar ice-melting might be worse than earlier thought, a leading
oceanographer has said. Sea levels, rising at 1 millimetre a year before the
industrial revolution, are now rising by 3 millimetres a year because of a
combination of global warming, polar ice-melting and long natural cycles of sea
level change. Male turtle populations crashing in the heat Male loggerhead turtles could entirely disappear
from the beaches of Florida - one of the most important nesting grounds in the
US - if the temperatures there rise by 2oC, according to a new study. This
gender imbalance means female turtles in Florida will be increasingly reliant on
male turtles migrating from North Carolina, hundreds of miles up the Atlantic
coast, in order to breed. And as the coast warms, the northern male turtle
population will find it harder to meet such breeding demands. The gender of
marine turtle offspring is determined by the temperature at which the eggs are
incubated: high temperatures lead to a higher proportion of females. In Florida,
90% of offspring are females. Asian Pollution Affects Pacific Storms Pollution from Asia is helping generate stronger
storms over the North Pacific, according to new research. Changes in the North
Pacific storm track could have an impact on weather across the Northern
Hemisphere. Group Says Ocean Harm Should Force U.S. Carbon Regulation A wildlife conservation group said it is trying
to pressure U.S. states to regulate carbon dioxide emissions under federal clean
water laws because of harm the gas does to the cycle of life in the ocean.
Unlike most other developed countries, the United States, the world's top
greenhouse gas emitter, does not regulate carbon dioxide and other gases that
scientists link to global warming. Efforts by states and environmental groups to
regulate CO2 through clean air laws have so far failed. The Center for
Biological Diversity has petitioned California to regulate CO2 under the Clean
Water Act. A new book sheds light on more than 300 undiscovered wrecks 
Lost Treasure Ships of the Northern Seas takes a
closer look at some of the thousands of wrecks that still lie undiscovered in
the relatively shallow waters of the North Sea and the Baltic, and identifies
more than 300 such sites, giving concise details of ship, voyage, cargo and
current state of knowledge. This represents a large proportion of the most
valuable wrecks in the designated area. A significant proportion may be regarded
as high-value - either in financial terms or because of their potential
contribution to historical knowledge. __________________________________________________________ Subscribe To SCUBA NewsOur newsletter, SCUBA News (ISSN 1476-8011), is absolutely free. It is a monthly publication, delivered by e-mail. To receive your copy fill in your details below. We will never pass your e-mail address to any third parties, or send you unsolicited e-mail. You will receive an e-mail confirming your subscription. If you don't receive this you have probably entered your e-mail address incorrectly - revisit this page and re-subscribe. Send us your Press Releases
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