The report highlights that oceans play a vital role in modulating the rate and pace of our changing climate. And that as a consequence, the oceans around Australia are warming and acidifying.
This fifth State of the Climate Report focuses on climate observations and monitoring carried out by the Bureau and CSIRO in the Australian region and draws on the best available peer-reviewed information. Some of the key messages from this year’s Report include:
- Continuing climate changes that are consistent with the previous reports - Australia is experiencing climate change now.
- The world’s oceans continue to take up extra heat from the atmosphere caused by enhanced greenhouse gas concentrations, with Southern Hemisphere oceans playing a major role.
- The increasing frequency and intensity of marine heatwaves pose a major threat to coral reef ecosystems.
- Over the coming decades Australia is likely to experience further warming, more hot days and fewer extremely cool days, and ongoing sea level rise.
Ocean observations and data provided by the Integrated Marine Observing System (IMOS) have informed several sections of the report, covering sea surface temperature, ocean heat content, sea level and ocean acidification.
“The CSIRO and Bureau of Meteorology are major partners in the IMOS national collaboration” says Tim Moltmann, IMOS Director. “Together they operate several of our observing facilities that measure essential ocean variables from the surface to depths of 2,000 meters and beyond.”
“The research infrastructure of IMOS provides critical data for this biennial assessment of Australia’s climate” says Dr Helen Cleugh, Director of the CSIRO Climate Science Centre.
IMOS is a national collaborative research infrastructure, supported by Australian Government.