The RBR Pay It Forward campaign enables customers to donate good quality RBR loggers to non-profit and charitable organizations and renew their inventory of new Generation³ products. Your contribution to the Pay It Forward program helps provide reliable scientific instruments to a breadth of important community projects while offering you a discount to bring new RBR products into your equipment pool to improve your research capabilities and reduce your purchase and support costs.
Contact the team at MSI to discuss your options or to get help in finding a suitable organisation to donate your old loggers to…
MSI and Deep Trekker will be hosting a ROV demo day on the 8th August 2019 at the Royal Yacht Club of Tasmania. With sessions running constantly from 10am to 4pm, the team from Deep Trekker and MSI will be putting the ROVs through their paces and, more importantly, will be encouraging you to have a go.
Both the DTG3 and its bigger brother, the Revolution, will be in the water – the first time in Tasmania.
More About The ROVs
Powered by BRIDGE Technology, these new ROVs take industry leading affordable ROV technology to new levels. BRIDGE technology is comprised of custom hardware, software and integration, developed in response to a growing market demand. Utilising the latest in technology, this platform will become the base for future products, new and advanced features and third-party integrations by Deep Trekker.
“BRIDGE allows the user to experience wireless control and viewing, multi-vehicle operation over the internet, and software upgrades from anywhere in the world,” says Chad Plesa-Naden, Embedded Systems Engineer Lead, Deep Trekker.
Deep Trekker’s world-class are already being used around Australia and by thousands of customers globally. Their portability, reliability and cost make them an ideal tool for a range of industries including aquaculture, construction, inspections, sampling, security checks, etc.
The DTG3 ROV now has advanced power, heightened capabilities and high-end performance at a breakthrough price with the standard offering being:
The new auto heading sensors makes the ROV drive effortlessly straight through the water making flying easy, combined with exceptional vertical depth hold with camera stabilization.
The DTG3 “Expert” also comes with:-
Reaching depths of 200 meters (1000 ft), the DTG3 is designed to last longer with hybrid power boasting 12-hour battery life. An enhanced viewing and recording experience provide smarter inspections with its live, 4K video and waterproof hand held controller – no smart phone displays here.
The bigger brother of the DTG is the Revolution (formerly known as the DTX) and this has also seen a substantial upgrade. The Revolution now has 6 powerful, vectored and vertical thrusters for maneuverability unmatched in this vehicle class. The new 7″ display controller and 4K video with recording elevates the Revolution to new heights. Rated for depths of up to 305m and with speeds approaching 3.5 knots and 13 kgs of thrust with 8 hours of battery life, the Revolution is as powerful and strong as it is nimble and easy to use.
This article appeared on the ABC website 12th May 2018 (https://www.abc.net.au/news/2018-05-11/largest-wave-ever-recorded-in-southern-ocean/9751680). Above image shows TRIAXYS buoy moored nr NZ Campbell Island (source: MetOcean Solutions / ABC News website)
A wave-measuring buoy in the Southern Ocean has recorded a massive 23.8-metre wave, according to a New Zealand meteorology and oceanography consultancy.
“This is a very exciting event and to our knowledge it is the largest wave ever recorded in the southern hemisphere,” MetOcean Solutions senior oceanographer Dr Tom Durrant said.
The mammoth wave, which formed during a storm, dwarfed the previous record of 19.4m measured by MetOcean Solutions in May 2017, as well as a wave recorded in Australian waters in 2012 that measured 22.03m.
The solar-powered buoy, moored near New Zealand’s Campbell Island, only records wave heights for 20 minutes every three hours.
Because of this, Dr Durrant said it was “very probable” even larger waves could have occurred during this storm.
“It is likely that the peak heights during this storm were actually much higher, with individual waves greater than 25m being possible as the wave forecast for the storm show larger wave conditions just north of the buoy location,” Dr Durrant said.
But storms such as this do not just affect coasts in the Southern Ocean.
“The persistent and energetic wind conditions here create enormous fetch for wave growth, making the Southern Ocean the engine room for generating swell waves that then propagate throughout the planet — indeed surfers in California can expect energy from this storm to arrive at their shores in about a weeks’ time,” Dr Durrant said.
“This storm is the perfect example of waves generated by the easterly passage of a deep low-pressure system with associated wind speeds exceeding 65 knots.
“Such storms are frequent and can occur at any time of the year, which differs from the high-latitude northern hemisphere storms that only occur in winter.”
Dr Durrant said what makes this storm particularly interesting is that its speed appears to match the wave speed, which he says allows wave heights to grow dramatically.
Significant wave height is the value used by the World Meteorological Organisation (WMO) to characterise sea state, MetOcean Solutions said.
“During this storm, the significant wave height reached 14.9m. This is also a record for the Southern Ocean, but falls short of the 19m world record buoy measurement that was recorded in the North Atlantic during 2013.”
Also: “Record-breaking wave off Tasmania’s west coast” http://media.bom.gov.au/social/blog/32/record-breaking-wave-off-tasmanias-west-coast/
This year, MSI has supplied equipment to support IMOS mooring programs all around the country, most recently to Deakin University as part of their Bonney Coast mooring. The Bonney Coast encompasses the shelf waters between Cape Jaffa in South Australia and Cape Otway in Victoria and is the location of a strong seasonal upwelling that supports one of the most productive marine regions in Australian coastal waters. The region is of high ecological and economic importance to South Australia and Victoria.
Read the IMOS announcement at : http://imos.org.au/news/newsitem/imos-extends-our-observations-in-victoria/. Image courtesy of Daniel Ierodiaconou / IMOS website.
As we celebrate World Oceans Day on 8th June, it is a perfect opportunity to learn more about waves.
Recently, the Bureau of Meteorology (BOM) has replaced its two existing wave buoys, one approximately 10km off the west coast of Tasmania and the other nearly 8km from Kangaroo Island in South Australia, with TRIAXYS wave buoys. These buoys record the waves experienced over a 20 minute period, typically at the start of each hour – this is called the record. The summary of this data is then sent via satellite and displayed in near real-time every 20 minutes on the BOM website. But what do the observations mean?
Easiest to appreciate is Hmax, or the maximum height of the waves, which is the biggest wave measured in the record. The wave is measured from the trough to the peak of the wave and is reported in metres.
Significant Wave Height, or Hs. is more representative of the conditions and is the average height of the highest one third of the waves in the record. Care should be taken as the likely maximum wave height can be up to twice the significant wave height.
Also reported is the average time (Tz) which is the average time (in seconds) between all waves in the record while Tp is the period (again in seconds) of the waves with highest energy in the record.
Each buoy is moored with a combination of chain, rope and a rubber bungy cord which is used to attach the buoy to a 500kg weight. Although the site off Tasmania is moored in water depth of 100m, the mooring has to be much longer than this to make sure that it is not dragged under water. It also has to be able to withstand the tremendous force of the Southern Ocean. In 2012, a wave of 20m was measured at this location and waves of over 10m are frequently recorded.
As well as the sensors inside the buoy to measure the waves, the buoy has a water temperature sensor, 4 large batteries, solar panels to charge them, GPS, satellite modems and a processor to make it all run. Alarms trigger if water enters the buoy or if it moves off location and the sensors can be remotely monitored via satellite. They have the option to be upgraded in the future with the addition of current profilers should they be required by BOM.
Although the buoys can use and recharge their batteries for over 3 years, the buoys are serviced annually to remove marine growth and to replace the mooring. The buoys were sold by Hobart and Cape Town based company Metocean Services International, who themselves have deployed buoys in over 50 countries.
The wave buoy off Cape Sorrell was named Captain Fathom by ABC listeners in 2015 to celebrate the centenary of BOM.
As well as being referred to on ABC Radio, data is quality controlled and made freely available by BOM at http://www.bom.gov.au/products/IDT65014.shtml (Tas)
See also from the web:
“Record-breaking wave off Tasmania’s west coast” http://media.bom.gov.au/social/blog/32/record-breaking-wave-off-tasmanias-west-coast/
“Monster 23.8m-wave is largest ever recorded in southern hemisphere” https://www.abc.net.au/news/2018-05-11/largest-wave-ever-recorded-in-southern-ocean/9751680