Navigation Links
Australian shipping emissions identified
Date:9/4/2012

Ship engine exhaust emissions make up more than a quarter of nitrogen oxide emissions generated in the Australian region according to a recently-published study by CSIRO and the Australian Maritime College in Launceston. Nitrogen oxide is a non-greenhouse gas, unlike similarly named nitrous oxide.

The remainder comes from road and air transport, energy generation, and industrial processes. Global studies indicate that shipping emissions of nitrogen oxide and sulphur contribute to the formation of photochemical smog and particles near land and in ports.

The authors, Dr Ian Galbally from CSIRO Marine and Atmospheric Research, and the Australian Maritime College's Dr Laurie Goldsworthy estimate that approximately 30 per cent of anthropogenic nitrogen oxide emissions and 20 per cent of oxides of sulphur emissions generated in the Australian region may come from shipping.

These are non greenhouse gases which have the potential to affect the air quality near coastal regions, and have consequences for human health and amenity.

Dr Galbally said around 10 per cent of global shipping freight passes through Australian ports annually. "Shipping is a major driver in the Australian economy, with 753 Mt of international exports worth $202 billion passing through Australian ports in 2008-2009."

"There is limited knowledge about the emissions from ships in coastal regions and ports in Australia, the effects of these emissions on air quality in the surrounding coastal and portside urban regions, or potential effects on human health" he said.

The ports of Perth, Melbourne, Sydney and Brisbane are located where seasonally-prevailing onshore winds dominate and the pollutants from shipping frequently will be carried into the air-sheds of these major urban population centres.

"We're seeing increasing regulation of land-based emissions but limited regulation of shipping emissions and expect that in the near-future there will be a need to monitor more closely emissions from shipping," Dr Galbally said.

The authors commenced this study with measurements of ship exhaust emissions on the coastal cement carrier MV Goliath.

Dr Goldsworthy said it is possible to quantify emissions generated based on knowledge of fuel type, fuel origin, engine size, cargo, and speed.

"We know from previous studies and the Australian Pollutant Inventory that ship emissions off the coast of Australia are substantially larger than in-port ship emissions."

"Nitrogen oxide and sulphur oxide emissions at sea are comparable in magnitude with other national sources such as energy generation and industry. They are potentially significant contributors to the air-sheds of major coastal cities," he said.

The study appeared recently in the journal Air Quality and Climate Change.


'/>"/>

Contact: Simon Torok
simon.torok@csiro.au
61-392-394-645
CSIRO Australia
Source:Eurekalert

Related biology news :

1. Eyeless Australian fish have closest relatives in Madagascar
2. Millipede family added to Australian fauna
3. Increase in Arctic shipping poses risk to marine mammals
4. Sloppy shipping of human retina leads IU researchers to discover new treatment path for eye disease
5. Work starts on fossil fuel free cargo ship set to transform shipping industry
6. University of Minnesota startup offers game-changing energy solutions that reduce CO2 emissions
7. Gaseous emissions from dinosaurs may have warmed prehistoric earth
8. Time, place and how wood is used are factors in carbon emissions from deforestation
9. Study finds emissions from widely used cookstoves vary with use
10. Bugs have key role in farming approach to storing CO2 emissions
11. Atmospheric scientists release first bottom-up estimates of Chinas CO2 emissions
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/16/2016)... May 16, 2016   EyeLock LLC , a ... the opening of an IoT Center of Excellence in ... expand the development of embedded iris biometric applications. ... of convenience and security with unmatched biometric accuracy, making ... aside from DNA. EyeLock,s platform uses video technology to ...
(Date:4/28/2016)... -- First quarter 2016:   , Revenues ... first quarter of 2015 The gross margin was 49% ... and the operating margin was 40% (-13) Earnings per ... from operations was SEK 249.9 M (21.2) , Outlook ... 7,000-8,500 M. The operating margin for 2016 is estimated ...
(Date:4/15/2016)... DUBLIN , April 15, 2016 ... of the,  "Global Gait Biometrics Market 2016-2020,"  report ... http://photos.prnewswire.com/prnh/20160330/349511LOGO ) , ,The global gait ... CAGR of 13.98% during the period 2016-2020. ... movement angles, which can be used to compute ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... ... June 27, 2016 , ... Cancer experts from Austria, Hungary, ... be a new and helpful biomarker for malignant pleural mesothelioma. Surviving Mesothelioma has ... it now. , Biomarkers are components in the blood, tissue or body ...
(Date:6/27/2016)... ... June 27, 2016 , ... ... Amgen, will join the faculty of the University of North Carolina Kenan-Flagler ... of strategy and entrepreneurship at UNC Kenan-Flagler, with a focus on the school’s ...
(Date:6/24/2016)... TOKYO , June 24, 2016  Regular discussions on ... to take place between the two entities said Poloz. ... in Ottawa , he pointed to the ... and the federal government. ... Poloz said, "Both institutions have common economic goals, why not ...
(Date:6/24/2016)... ... June 24, 2016 , ... Researchers at the Universita Politecnica delle Marche ... with peritoneal or pleural mesothelioma. Their findings are the subject of a new article ... Diagnostic biomarkers are signposts in the blood, lung fluid or tissue of mesothelioma patients ...
Breaking Biology Technology: