Jason-2, or the Ocean Surface Topography Mission (OSTM), is a joint venture between NASA's Jet Propulsion Laboratory, the US National Oceanic and Atmospheric Administration (NOAA), the French Space Agency (CNES) and the European Meteorology Satellite service (EUMETSAT).
"There's plenty resting on this satellite in terms of where our ocean and climate science is going," says Dr David Griffin, an oceanographer from the CSIRO Wealth from Oceans National Research Flagship and a member of the international Science Team which advises on satellite altimeter missions.
"Jason-2 provides a lifeline between space and some very significant science projects that are integral to our capabilities in understanding how the oceans are changing and particularly future ocean forecasting products," he says.
With an orbit 1336 kilometres above the Earth’s surface, Jason-2 will be one of three satellites equipped with special altimetry sensors to precisely measure sea level, and indirectly infer ocean heat content changes.
This information is also important for: Australia’s evolving ocean forecasting system, BLUElink; sea safety and offshore oil and gas operations; measuring global sea level rise; tracking large-scale ocean-atmosphere phenomena like El Niño and La Niña and marine mammals feeding in nutrient-rich ocean eddies; and forecasting currents for sports events such as the Sydney-Hobart yacht race.“Jason-2 provides a lifeline between space and some very significant science projects that are integral to our capabilities in understanding how the oceans are changing and particularly future ocean forecasting products,"
he says.High quality satellite altimetry started with the TOPEX/Poseidon mission (1992-2005), and continued with Jason-1 (2001-to the present). The altimeters measure sea surface height, from which we can estimate the strength and direction of ocean currents and also map sea level rise.Australian scientists contribute to the science mission in a number of ways, including calibration of the sensors on board the satellite. CSIRO Marine and Atmospheric Research, in conjunction with the University of Tasmania, the Bureau of Meteorology’s National Tidal Centre and Geoscience Australia has been running a calibration facility at Burnie (NW Tasmania) since 1992. This was enhanced by the deployment of a French transportable Satellite Laser Ranging (SLR) system at Burnie earlier this year. Burnie is the only absolute calibration site in the Southern Hemisphere. The other two main sites are off the coast of California, and in the Mediterranean Sea.
Australian science agencies using data from the new satellite include the Centre for Australian Weather and Climate Research – a partnership of CSIRO and the Bureau of Meteorology – and the Antarctic Climate and Ecosystem Cooperative Research Centre.
Craig Macaulay | EurekAlert!
Research alliance: TRUMPF and Fraunhofer IPA ramping up artificial intelligence for industrial use
06.08.2020 | Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA
Novel approach improves graphene-based supercapacitors
03.08.2020 | University of Technology Sydney
Scientists at the Fraunhofer Institute for Laser Technology ILT have come up with a striking new addition to contact stamping technologies in the ERDF research project ScanCut. In collaboration with industry partners from North Rhine-Westphalia, the Aachen-based team of researchers developed a hybrid manufacturing process for the laser cutting of thin-walled metal strips. This new process makes it possible to fabricate even the tiniest details of contact parts in an eco-friendly, high-precision and efficient manner.
Plug connectors are tiny and, at first glance, unremarkable – yet modern vehicles would be unable to function without them. Several thousand plug connectors...
An international research team has found a new approach that may be able to reduce bone loss in osteoporosis and maintain bone health.
Osteoporosis is the most common age-related bone disease which affects hundreds of millions of individuals worldwide. It is estimated that one in three women...
Traditional single-cell sequencing methods help to reveal insights about cellular differences and functions - but they do this with static snapshots only...
“Core-shell” clusters pave the way for new efficient nanomaterials that make catalysts, magnetic and laser sensors or measuring devices for detecting electromagnetic radiation more efficient.
Whether in innovative high-tech materials, more powerful computer chips, pharmaceuticals or in the field of renewable energies, nanoparticles – smallest...
An international research team with Prof. Cornelia Denz from the Institute of Applied Physics at the University of Münster develop for the first time light fields using caustics that do not change during propagation. With the new method, the physicists cleverly exploit light structures that can be seen in rainbows or when light is transmitted through drinking glasses.
Modern applications as high resolution microsopy or micro- or nanoscale material processing require customized laser beams that do not change during...
23.07.2020 | Event News
21.07.2020 | Event News
07.07.2020 | Event News
06.08.2020 | Earth Sciences
06.08.2020 | Power and Electrical Engineering
06.08.2020 | Life Sciences