Glow a little longer. Superior sensor performance on a rmance on a – – RBRtridentfraction of the power RBRtridente teee ackscatter or turbidity with hi i in n n t t th h h he e e s sa a am m m me Measure chlorophyll a, fDOM, and backscatter or turbidity within the same e e sensor package using the
.msitransuders.com . . . . . . . . . . . . . . . . . . . . . . . . . . . .(978) 486-0404 7 . . . . . .NOAA/Eastern Region Acquisition Division . . .http://marinerhiring.noaa.gov . . . . . . . . . . . . . . . . . . . .Please visit us online 39 . . . . .R.M. YOUNG COMPANY . . . . . . . . . . . . . . . .www.youngusa
PRODUCT, PROFESSIONAL, VESSELS, MTR BARGES & REAL ESTATE FOR SALE Marketplace INNOVATIVE. UNIQUE. PROVEN. ALLAMERICANMARINE.com ???????????????????????????????????????? 9??????????SiC A????????ArC????????????????S???????C?????????9???Ç????????? ????????????????Ý???????S???y???????????????????K???:???? MAR
will be equipped with Cellula’s hydrogen fuel cell technology, supporting sustainable, long duration operations with zero carbon emissions • Teledyne Marine Acquires Valeport Teledyne Marine agreed to acquire Valeport a leader in the design and manufacture of underwater sensors and pro? l- ers. Valeport
NEW TECH OCEANOLOGY INTERNATIONAL 2024 Image courtesy Metron/Cellula Teledyne Marine acquires Valeport: Matt Quartley, MD, Valeport and Ole Søe-Pedersen, VP & Image courtesy Teledyne Marine GM Teledyne Marine announce the deal in London. Pictured (L-R): Cellula Robotics, President, Eric Jackson, Metron
Image courtesy Kongsberg Discovery Image courtesy Teledyne Marine New Products Teledyne Marine had its traditional mega-booth at Oi, busy start to ? nish. Image courtesy Greg Trauthwein offers quality sub-bottom pro? ling capability without the need tion of offshore windfarms. GeoPulse 2 introduces new
NEW TECH OCEANOLOGY INTERNATIONAL 2024 Image courtesy Greg Trauthwein Image courtesy BIRNS MacArtney launches the new ultra-compact ø12.7 mm SubConn Nano connector. Innovative connectivity built on 45 years of ? eld-proven and market-trusted design. Image courtesy MacArtney Birns celebrated its 70th
DVL technology with tion module allows detecting objects in the side-scan sonar additional position-aiding sensors for reliable vehicle control. www.marinetechnologynews.com 41 MTR #3 (34-47).indd 41 4/4/2024 2:25:27 P
NEW TECH OCEANOLOGY INTERNATIONAL 2024 All photos courtesy MTR unless otherwise noted NEW TECH, PARTNERSHIPS LAUNCH IN LONDON With Oceanology International now one month in the rear-view mirror, MTR takes a look at some of the interesting technologies launched before, during and after the London event.
.com>. FEEDBACK Readers are encouraged to share their ocean lander experi- ence, projects, inventions, and feedback by writing to Kevin Hardy @ [email protected]. www.marinetechnologynews.com 39 MTR #3 (34-47).indd 39 4/4/2024 11:11:26 A
LANDER LAB #10 Photo courtesy West Mountain Radio Photo courtesy of Clarios/AutoBatteries.com Figure 6 The West Mountain Radio Computerized Battery Analyzer (CBA V) attaches to a Figure 5 laptop by a USB-B cable, and to a battery by Powerpole® Connectors. Exploded view of an AGM lead-acid battery.
if pressure compensated, though this author has nev- deep sea tide capsule with expendable ballast frame and er tried that. lead-acid batteries, 1968. www.marinetechnologynews.com 37 MTR #3 (34-47).indd 37 4/4/2024 10:53:09 A
LANDER LAB #10 Of special interest for marine applications, LiPo batteries are Shipping any kind of lithium battery can be a challenge, and offered in a “pouch” design, with a soft, ? at body. The pouch IATA regs vary with the batteries inside or outside an instru- is vacuum-sealed, with all voids ?
, and much safer than primary lithium cells. They are used in ap- plications requiring lightweight and high-power drains. They COMMON BATTERIES IN MARINE APPLICATIONS Certain chemistries have found wide use in the marine ? eld do require built-in protection against overcharging and over for their
essentially be permanent. And in Feb- ruary 2024, the European Parliament passed a resolution raising concerns about Norway’s mining intentions. www.marinetechnologynews.com 33 MTR #3 (18-33).indd 33 4/4/2024 9:17:27 A
FEATURE SEABED MINING by a sea? oor plume from its pilot collection system test. pact, nodule collection system that utilizes mechanical and The Metals Company recently signed a binding MoU with hydraulic technology. Paci? c Metals Corporation of Japan for a feasibility study on The company’s SMD
vessel at the surface, an airlift riser system and jumper hose, and the pilot nodule collector vehicle at the sea? oor. Image courtesy of Allseas www.marinetechnologynews.com 31 MTR #3 (18-33).indd 31 4/4/2024 2:12:41 P
FEATURE SEABED MINING bilical. It has passive heave compensation which nulli? es the necott. “The focus since then has been on scaling while en- wave, current and vessel motions that in? uence loads in the suring the lightest environmental impact,” says The Metals power umbilical. The LARS can
developments include the vessel’s launch and recovery system (LARS) which deploys and recovers the col- lector and feeds its power and control um- www.marinetechnologynews.com 29 MTR #3 (18-33).indd 29 4/4/2024 2:10:29 P
, subsea technology helped scien- This indicated the resilience of certain tent of impact and inform future manage- tists uncover the behaviors of underwa- marine ecosystems, providing a new ment and recovery both in Tonga and the ter volcanoes. “We can use hydrophones baseline for monitoring future recovery
elatively inactive since 2014, the Hunga Tonga–Hunga Ha‘apai (HT-HH) submarine volcano began erupting on December 20, 2021, reaching peak intensity on January 15, 2022. This triggered tsunamis throughout the Pa- R ci? c, destroyed lives and infrastructure, and generated the largest explosion recorded
lifespan prediction for every CP anode pro- life of sacri? cial anodes), Recommended time to next inspec- tecting the entire subsea infrastructure. www.marinetechnologynews.com 19 MTR #3 (18-33).indd 19 4/4/2024 9:55:02 A
TECH FEATURE IMR There are also weaknesses in terms of accuracy because of FiGS Operations and Bene? ts signal noise and the ability to detect small ? eld gradients. In Conventional approaches to evaluating cathodic protection this process there is a risk that possible issues like coating (CP)
can be dif? cult or even impossible to Selecting the best method for collecting the data these work- estimate due to poor visibility, the presence of marine growth streams demand can have implications across the board, from and/or corrosion products, or due to the anode being buried in reducing the risk