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 RBRtridente three-channel fuorescence and tethree-channel fuorescence and ynamic range and exceptional backscatter sensor. With improved dynamic
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ronments. The new agreement will address speci? c techni- cal gaps in the UUV defense and offshore energy markets especially for long duration, multi-payload mission opera- tions where communications are often denied or restricted. As part of the new alliance, Metron’s Resilient Mission Autonomy portfolio
(BUVI) to join its international sales team. Image courtesy Unique Group Sealing the deal(s) @ Oi ‘24 mating the object identi? cation process using the SAS Target in a single work? ow. The sensor’s 360-degree scanner and Assistant. The application runs in the background, leaving us- high collection
hardware beyond what is used for the The system is a drop-in replacement for the GeoPulse Pinger EM 124 or EM 304 MBES systems – which is in most cases using the 5430A transmitter. It is fully digital and features a va- already available on board the vessel. Essentially, the EM SBP riety of waveforms unavailable
Image courtesy Outland Technology Image courtesy Exail Image courtesy Submaris and EvoLogics Vehicles The ROV-1500 from Outland Technology represents a leap forward in underwater robotics, a compact remotely operated vehicle (ROV) weighing in at less than 40 lbs (19kg) the ROV- 1500 is easy to transport
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.
Photo courtesy Global Ocean Design Figure 7 A 35Ah AGM lead-acid battery is tested using the West Mountain Radio CBA to show the effect of simply ? lling the battery voids with mineral oil as a compensating ? uid. The CBA is programmed to cut-off at a voltage of 10.50v. The top line (red) shows the
NiCad The best way to determine a battery’s capacity is to measure battery can handle very high discharge rates, on the order of its actual performance using a computer-controlled battery ana- 15C, with no damage or loss of capacity. lyzer, such as the Computerized Battery Analyzer (CBA V), ? Nickel Metal
miscible barrier ? uid heavier than seawater (sg=1.026) and lighter than the battery electrolyte (sg=1.265). The original cell vent cap was screwed into the top of the riser pipe to vent the gases associated with charging. Wires were soldered to the lead (Pb) posts. The lead-acid battery was additionall
body. The pouch IATA regs vary with the batteries inside or outside an instru- is vacuum-sealed, with all voids ? lled by a gelled electrolyte. ment housing. Freight companies, including DHL, FedEx, Thus, there are no implodable spaces, and so are candidate and UPS, have speci? c guidelines available
Figure 1 A self-righting vehicle design with buoyancy high and weight low, WHOI’s SeaBED AUV captures the attention of a pair of curious Antarctic penguins as it is deployed from the British research vessel James Clark Ross. Vehicle designers allowed for temperature reduction of battery capacity. Recharge
LANDER LAB #10 BATTERY PACKS, CHARGING, AND CAPACITY TESTING Photo Credit: Hanumant Singh / Woods Hole Oceanographic Institution. By Kevin Hardy, Global Ocean Design LLC n ocean lander has many strengths including that produces the current is irreversible. Examples include ? exibility of deployment
regulated industry in the world.” How- ever, commercial success depends on many factors, not least a predictable OPEX. Over the past four years, SMD has worked with Oil States Industries to calculate cost per tonne ? gures for prospective customers. Patania II uses jet water pumps to Oil States’
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
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
n January, Norway said “yes” to sea- bed mining, adding its weight to the momentum that is likely to override the calls for a moratorium by over 20 countries and companies such as I Google, BMW, Volvo and Samsung. Those against mining aim to protect the unique and largely unknown ecology of the sea?
SEA-KIT USV Maxlimer returning from HT-HH caldera in Tonga. © SEA-KIT International data and further assess ecosystem recov- ery. What is known, noted Caplan-Auer- bach, is that the impact of submarine vol- canoes on humans is rare. “The HT-HH eruption was a tragedy, but it was very unusual. It let us
FEATURE OCEANOGRAPHIC INSTRUMENTATION & SENSORS Kevin Mackay, TESMaP voyage leader and Center head of the South and West Paci? c Regional Centre of Seabed 2030. Kevin in the seismic lab at Greta Point looking at the Hunga Tonga-Hunga Ha’apai volcano 3D map completed with data from the TESMaP voyage
conditions, sound velocity, conductivity, temperature, turbidity, oxi- dation reduction and pressure with depth. Sand Reclamation Data Collected Using HMS-620 Courtesy URI Graduate School of Oceanography The USV had a custom-? tted winch for sensor dips and tows to gather water col- Falmouth Scienti¿
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
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is a Cathodic Protection and corrosion control cant cost savings, mainly related to vessel charter. expert having worked across The major advantage of using FiGS on any type of subsea engineering, design, modelling, structure is the large amount of accurate information obtained project management, inspection