Ships Emission Management Systems (SEMS)

“Monitor and reduce emissions from ships within a port area”

Ships Emission Management Systems (SEMS) 1

Ships Emission Management Systems (SEMS) was developed to help port owners to account the shipping emissions and analyse the emissions improvement measures in ports, under the requirement of MARPOL Annex VI.  Ship emissions have remarkable global, regional, and local adverse impacts on the air quality on sea and land.

The most important pollutants emitted from ships are nitrogen oxide (NOX), sulphur dioxide (SO2), carbon dioxide (CO2), hydrocarbons (HC), and particulate matter (PM).  The health effects of air pollution at ports may include asthma, other respiratory diseases, cardiovascular disease, lung cancer, and premature death.  The systems have been used by Johor Port Authority to monitor all the air emissions for all ports in Johor. The system includes web-based and mobile application.


  1. Want to monitor emissions coming from various ships
  2. No expertise in the causes of the emission
  3. Need to adhere to MARPOL IV regulations
  4. Looking for strategies to reduce emission in ports


  1. Reduce emissions from ships in the port area
  2. Improve ports use health due to the improvement in air quality
  3. Adhere to MARPOL IV regulations to reduce emissions from ships


  1. Predict the emissions (NOX, SOX, CO2, HC and PM) by various ships during anchorage, manoeuvring and berthing at the port and estimate future emissions of ships into the port. The system includes mobile apps which user can use to collect information from ships.
  2. Analyse what are the major contributor of air emissions from the ships into the port area to analyse the causes of the emission from the ships into the port area
  3. The system include function for improvement measures to reduce the emissions such as changing fuel type in port area, using shore power supply at berth, ship speed reduction, reduce ship’s activities time and so on.

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Demo Screenshot: Updated 2020

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