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POGO Member News

New ocean observing tower erected at Myrmidon Reef

Visitors to Myrmidon Reef will notice a new reef addition after AIMS erected a new weather station tower on the reef early last week. The tower replaces the previous tower that was knocked down during Tropical Cyclone Yasi in February 2011. This is the last of several AIMS ocean observation facilities to be replaced in the wake of the Category 5 cyclone.

Construction of the new tower started at AIMS’ Cape Ferguson headquarters in April this year. Made of enduring galvanised steel, the tower is approximately 13m tall and weighs 18T, including 6T of ballast to hold it in place against future cyclones. Ready since September, both tide and weather conditions had to be perfect to safely install the large structure.

How climate change will affect the impact of Harmful Algal Blooms

New research involving PML scientists suggests that of two Harmful Algal Bloom (HAB) types studied, one is expected to expand in North East Asia, and both are predicted to expand in the North West European/Baltic Sea region.

The recently published study in Global Change Biology sets out to fully understand how climate change could affect the influence of these blooms, through a global modelling approach. Studying 3 regions of the globe, the scientists assessed how distribution of HABs could change under a future climate change scenario, and the impacts these changes could have on a wider scale.

IOCCP and JAMSTEC are pleased to announce the 4th Intercalibration Exercise for Nutrients

IOCCP and Japan Agency for Marine-Earth Science and Technology (JAMSTEC) have invited more than 80 laboratories worldwide to participate in the 2014 inter-comparison study designed to test the global comparability of nutrient measurements and to promote the use of CRM of nutrients in seawater. 


The oceanographic community has continued to improve comparability of nutrient data from the world's oceans in many ways, including through 3 international inter-laboratory comparison studies since 2003 and the development of nutrient reference materials (RMs). However, adequate comparability and traceability of nutrient data have not yet been achieved.

Corals in Hot Water?

Racing time to predict the fate of corals in a warming ocean


A time bomb is ticking in the ocean, and faster than you might think. The oceans are warming, and in the next 20 to 30 years many coral reefs around the globe will reach their temperature threshold, a tipping point at which they will likely yield to weakened immune systems, bleaching disease, and in many cases, death.


This race against time fuels the work of Hannah Barkley, a graduate student in the MIT/Woods Hole Oceanographic Institution (WHOI) Joint Program in Oceanography.

The oceans’ sensitive skin - Ocean acidification affects climate-relevant functions at the sea-surface microlayer

Ocean acidification might alter climate-relevant functions of the oceans’ uppermost layer, according to a study by a group of marine scientists published in the “Journal of Geophysical Research: Oceans”. In an experiment led by GEOMAR Helmholtz Centre for Ocean Research Kiel, the researchers observed a close coupling between biological processes in the seawater and the chemistry of the sea surface microlayer. Also, they noted a growing number of specialised bacterial and algal cells in this microenvironment. These changes might influence interactions between the ocean and the atmosphere such as the air-sea gas exchange and the emission of sea-spray aerosols that can scatter solar radiation or contribute to the formation of clouds.


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