sail-world.com
 
 
News Home Cruising Australia Cruising USA Cruising Canada Boats for Sale Sail-World Racing Photo Gallery FishingBoating
Video Gallery Newsletters
Sail-World.com : Calling all roving sailors - your chance to help a marine survey
Calling all roving sailors - your chance to help a marine survey


'Just lower it into the water until it disappears, and measure the depth - called the ’Secchi Depth’'    Richard Kirby

Here is your unique chance to make a difference in the marine scientific world, just because you are a sailor with a smart phone, and especially if you are sailing somewhere remote, helping with a plankton survey. The process is simple and fun and it's vital to our knowledge of the oceans and climate change.

This month the Secchi Disk study and the Secchi App project is just a year old, and Ocean Cruising Club members have been making their own difference by joining in as citizen scientists... but YOU don't have to be an OCC member, just keen to help the study of climate change.

What is the Secchi Disk study and the Secchi App project? It is the global Citizen Study by seafarers to study the marine phytoplankton and to help track the effects of climate change. (See Sail-World story.) The Ocean Cruising Club were one of the first organisations to promote the study.

Secchi disk - simple to make at home. -  .. .  


If you didn't find out about it the first time, read on to find how you can help while out sailing. After a year, and although it is still early days in terms of a long-term study, the project organisers are already excited by the extent of the data collected. Dr Richard Kirby, the project's leader, told Daria Blackwell of the Ocean Cruising Club, 'We hope to soon be able to start some analyses on the role of Citizen Science in marine biology, which will hopefully lead to a publication to acknowledge all your efforts so far. The project is a long-term study however, and the database improves continuously as ocean coverage increases and successive years of Secchi depth data accumulate.'

It was all started when a study by a team of Canadian marine biologists reported that the phytoplankton in the oceans had declined by 40% since the 1950s due to climate change. The phytoplankton are microscopic plant-like cells that float at the surface of the sea from where they underpin the whole marine food chain. Knowing the amount of phytoplankton in the sea, and whether it is changing, is very important therefore, since their abundance determines the number of creatures at every step above them in the marine food web; this includes the amount of fish in the sea to the numbers of sharks, whales, penguins, and polar bears.

However, other scientists didn't agree and the problem was that the oceans are a vast place and there aren't enough marine biologists to study them, and so this is where you, by becoming a Citizen Scientist, can help.

The Citizen Science project relies upon sailors and other seafarers, anglers and divers, knowing about its existence and taking part. They are especially keen to reach out to sailors cruising in the remoter Southern Hemisphere.

Secchi free app for iPhone or Android -  .. .  


Finally, as the project team anticipated at the start, sailors have been remarkably ingenious with the variety of materials they have used to make their 30 cm white Secchi Disk. The more unusual materials include a Vinyl LP, an aluminium road sign, a Frisbee, and a disk cut from a ship's toilet seat.

So what is a Secchi Disk and how do you make it?

A Secchi Disk apparatus is a weighted, 30 cm diameter white disk attached to a tape measure. The Secchi Disk can be made from fibreglass, plastic, metal or wood, the only restriction on its design is that it must be 30 cm in diameter and matt white.

When the Secchi Disk is lowered vertically into the water from the side of a stationary boat, the depth below the surface at which it just disappears from sight is called the Secchi Depth. Away from estuaries, the Secchi Depth reflects the amount of phytoplankton in the water column.

The amount of phytoplankton in the water column will vary seasonally, from place to place and annually. You may choose to set up a sample site and measure the Secchi Depth twice or more a month, or you may choose to make recordings on your travels. In whatever way you decide to take part, your help will help the scientific team to understand the Ocean's biology much better. It is planned for the Secchi Disk study to run for many years to come to create the world's biggest plankton survey.

In order to take part in the project you need to make the very simple DIY Secchi Disk and download the free Secchi app to your smartphone or tablet - you will need a smartphone or tablet that can receive a GPS signal. You can follow the data you collect, along with that of others, on the project website.

For more information go to the website

Sail-World Cruising would like to thank the world-wide Ocean Cruising Club for their contributions to this article.


by Lee Mylchreest


  

Click on the FB Like link to post this story to your FB wall

http://www.sail-world.com/index.cfm?nid=119526

11:34 PM Sat 22 Feb 2014GMT


Click here for printer friendly version
Click here to send us feedback or comments about this story.







Sail-World Cruising News - local and the World









The final touch - which wax should I use on my boat? by Martin Flory/Sail-World Cruising,


ARC Baltic sets sail to discover Europe's 'east sea' by World Cruising Club/Sail-World,








Heart-stopping moment as whale capsizes Zodiac by Sail-World Cruising round-up,


If we stop killing parrotfish we can bring back Caribbean coral reefs by ARC Centre of Excellence for Coral Reef Studies,


Climate change could stop fish finding their friends by ARC Centre of Excellence for Coral Reef Studies,






















A Beer Bummel on the Thames River by Greg Nicoll with John Armstrong,






The North West Passage calls: Who will answer this year? by Douglas Pohl/Sail-World Cruising,
















Spike in water temperatures evidence of ‘irreversible’ El Nino *Feature
Sailing crew's battle to save yacht lost in the Indian Ocean
Five Top Tips for selecting the best boatyard
RYA Onboard gets half a million youngsters on the water
Tips for selecting the best boatyard
Predictwind unlocks more features on free accounts
Composite Rigging launches new campaign for ECsix
When is a Captain not a Captain?
RYA summary of Navitus Bay Wind Park views submitted
Free app for managing your yacht
Amazing MOB survival - 13 hours floating, rescued by fishermen
Boater hit by lightning survives: 'It was the worst pain ever'
Inauguration of the new Yacht Club Monaco - Images by Carlo Borlenghi
Lessons for sailing clubs - how does YOURS rate?
Turkey's new cruising black/gray water rules, skipper qualifications
Giving up the luxuries of a life on land for Lizzy Belle
Dehler 46, 'serious' cruising boat, debuts July
SV Mystic to carry out OHPRI teen summer camps and voyages for adults
Australian rescuers get bravery medal for rescuing Russian sailor
Sailors and windfarms: Largest ever UK wind project approved
Cooking at Sea? Which cook book should I buy?   
Fraudulent yacht broker gets jail for twelve months   
Jimmy Buffett's Margaritaville joins Summer Sailstice   
The Grand Pavois - What's new as at June?   
Life jackets lead to fewer deaths - the campaign is working   
Boat buying scams and the Red Flags to watch for.   
Retired yachting star to sail again - for the love of her boat   
The quest to save coral - one man's plan   
Paint Guide: Carry it with you on your smart phone   
The mouse is roaring. Newport mooring owners don't want docks   
Being a guest on someone's boat - 8 Tips to get you invited again   
Bounty sinking Coast Guard final report: rot, decay, low standards   
Carbon monoxide poisoning on boats - it keeps happening   
Own a romantic Skipjack for just $10,000   
Classics Rally in Falmouth - historic and spectacular this weekend   
New Polar Code for cruising in the high latitudes   
Croatia's sailing world comes of age   
Industry impressed with student yacht designs   
Textbook sailing errors, but rescued by a passing windsurfer   
Caught sailing in Long Island Sound: The Charles W. Morgan   


For this week's complete news stories select    Last 7 Days
   Search All News
For last month's complete news stories select    Last 30 Days
   Archive News







Sail-World.com  


















Switch Default Region to:

Social Media

Asia

Australia

Canada

Europe

New Zealand

United Kingdom


http://www.sail-world.com/event_images/image/Twitter_logo_small.png http://www.sail-world.com/event_images/image/FaceBook-icon.png  http://www.sail-world.com/event_images/image/RSS-Icon.png

United States

Cruising Northern

Cruising Southern

MarineBusiness World

PowerBoat World

FishingBoating World

 

Contact

Commercial

News

Search

Contact Us

Advertisers Information

Submit news/events

Search Stories/Text

Feedback

Advertisers Directory

Newsletter Archive

Photo Gallery

 

Banner Advertising Details

Newsletter Subscribe

Video Gallery

Policies

 

 

 

Privacy Policy

 

 


Cookie Policy

 

 



This site and its contents are © Copyright TetraMedia and/or the original author, photographer etc. All Rights Reserved.  Photographs are copyright by law.  If you wish to use or buy a photograph, contact the photographer directly.
XLXL WAS CRU NH
LocalAds   DE  ES  FR  IT