NASA calls in divers’ coral data

Badi Samaniego conducting a coral reef survey on the Global Reef Expedition.
Badi Samaniego conducting a coral reef survey on the Global Reef Expedition.

It’s a shocking statistic – Earth has lost more than half of its coral reefs over the past 40 years. The rest could be gone by 2099 if conservationists prove unable to reverse the decline, but they need an accurate means of mapping their progress.

Also read: Students visualise the Sixth Extinction

The Khaled bin Sultan Living Oceans Foundation (KSLOF)’s 10-year Global Reef Expedition was, it says, one of the biggest coral surveys ever carried out, with much of the work done by scuba divers.

Now their painstakingly gathered high-resolution data is set to be put to work through a new partnership.

Also read: The world’s coral reefs are bigger than we thought…

The US-based environmental organisation says it is passing the entire dataset to NASA’s Ames Research Centre in California’s Silicon Valley to expand its coral-mapping capabilities.

The aim is to boost NASA's project to map the entire world’s coral reefs so that all future changes can be tracked over time. KSLOF’s data will be used with NASA's NeMO-Net neural network, which can classify recorded corals, and the Pleiades supercomputer that powers it.

Meanwhile NASA’s FluidCam, a new remote sensing instrument that can see under water without distortion, will allow reefs to be surveyed from drones and aircraft at the centimetre scale and in 3D .

“With this combination of tools and information, NeMO-Net’s maps will become more accurate, giving researchers and environmental managers better information about what’s happening to coral reefs and how to protect them at a time when they are experiencing unprecedented anthropogenic pressures,” says KSLOF.

The Global Reef Expedition involved hundreds of scientists spending tens of thousands of hours under water surveying coral reefs in the Atlantic, Pacific and Indian Ocean/Red Sea. Detailed maps of about a fifth of the world’s coral-reef habitats were the result.

“This is a game-changer,” says KSLOF’s chief scientist Sam Purkis. “NASA’s new imaging technologies and supercomputers dramatically change the landscape of what is possible in terms of mapping coral reefs.”

NASA has also been acquiring data through the tens of thousands of citizen-scientists around the world who play the interactive NeMO-Net video game. Players identify and classify corals from 3D imagery of the reefs, using a free downloadable app.

“At the moment, the only way to see how reefs are changing over time is through scuba-divers, which is expensive, time-consuming and can be dangerous and subject to bias,” says Purkis.

“With this data in NASA’s hands, now suddenly you don’t have to go into the field – you can map coral reefs from space. What an uplift to conservation that becomes!”

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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS43RkJGOTAwRDhCOEQ1RjIy

Is This The Best Dive Center Ever? W\@wakatobidiveresort

@sennacher 
#askmark Hi there, regarding DSMBs. I’m no expert whatsoever and normally I deploy it correctly. This weekend we dove on very strong current and I almost lose my breath while deploying it (mouth inflate) as it tangled a bit on my reg. It scared the sh&t out of me so. Is there any “little cylinder” kind of thing in order to keep my reg in my mouth to deploy it safer?  I haven’t tried to do it with my LPI… but asume it would tangle also.
Thanks
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@sennacher
#askmark Hi there, regarding DSMBs. I’m no expert whatsoever and normally I deploy it correctly. This weekend we dove on very strong current and I almost lose my breath while deploying it (mouth inflate) as it tangled a bit on my reg. It scared the sh&t out of me so. Is there any “little cylinder” kind of thing in order to keep my reg in my mouth to deploy it safer? I haven’t tried to do it with my LPI… but asume it would tangle also.
Thanks
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=================================

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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS43RDFFNUM4NkUwRDhEMjRD

Is There an Easier Way to Deploy a dSMB?

How Twinset Valves Work In Scuba Diving | Shutdown Drills And Isolator Tips Explained #scubadiving #askmark #twinset

Confused about how to use twinset valves or perform a proper valve shutdown drill? You’re not alone.

In this AskMark episode, Mark explains how valves work on twin cylinders, including how to safely open and close them, how isolator valves function, and why valve drills (also known as shutdown drills or V-Drills) are critical for diagnosing leaks during technical and recreational dives. Please visit our website for more Scuba news, underwater photography, hints & advice, and travel reports: https://divernet.com/ 

Mark also shares tips on muscle memory for reaching your left and right posts, isolator-first vs isolator-last logic, and how to prevent over-tightening or unsafe valve positioning. This guide is perfect for divers transitioning to twinsets, sidemount divers curious about manifold setups, or anyone wanting to improve their gas management skills. 

Let us know in the comments how your instructor taught valve drills and don’t forget to leave your questions using #AskMark to get featured in a future video. 

@mostafametwally1

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=================================

Disclaimer: The information in this video is not intended nor implied to be a substitute for professional SCUBA Training. This video's content, including text, graphics, images, and information, is for general information purposes only and does not replace training from a qualified Dive Instructor.

🔎 Related Phrases:

How Twinset Valves Work In Scuba Diving, Shutdown Drills And Isolator Tips Explained, How Twinset Valves Work In Diving, Scuba Valve Drill Tutorial, Shutdown Drill For Twin Cylinders, How To Use Twinset Isolator Valve, Twinset Manifold Explained, Best Way To Close Dive Valves, V-Drill For Scuba Divers, Twin Cylinder Gas Management Tips, Scuba Regulator Shutdown Steps, How To Practice Twinset Valve Drills, Muscle Memory For Valve Shutdowns

#scubadiving #askmark #twinset #scubavalves #shutdownskills #divingsafety #scubatraining #scubatech #divetips #manifoldvalve #valvedrill #scubagear #divingtechniques #scubacommunity #technicaldiving

How Do Valves Work on Twin Cylinders? #askmark
@mostafametwally1
#askmark hi Mark. Could you do a video on how to deal with the valves and manifold on twin cylinders. It’s confusing to remember which way to open the valves and it’s easy to get wrong particularly in emergencies. Thanks
#scuba #scubadiving #scubadiver

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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS5EQkEyODM0NTk2MUFEQkYz

How Twinset Valves Work In Scuba Diving | Shutdown Drills And Isolator Tips Explained

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