Measuring sulfur with satellites

phys.org | 1/20/2020 | Staff
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Seagoing vessels may emit fewer and fewer harmful substances, but how do you measure whether they comply with the standards? The Dutch Environment and Transport Inspectorate (ILT) and the universities of Leiden and Wageningen are starting a joint study to detect the emission of sulfur and nitrogen dioxide from sea-going vessels with satellite images.

As of 1 January 2020, the rules for the emission of sulfur dioxide from sea-going vessels have been tightened. The maximum allowed sulfur content in fuel oil is lowered from 3.5% to 0.5%. For the emission of nitrogen dioxide, stricter standards have been set from 2021 onwards for new build vessels in the North and Baltic Sea. At present, there is a lack of instruments to monitor tens of thousands of sea-going vessels worldwide that, far out of sight of regulators, have to use cleaner but more expensive fuel or have to install expensive waste gas treatment systems onboard.

ILT - Rules - Emission - Vessels - Netherlands

ILT supervises international rules for the emission of sea-going vessels for the Netherlands. Jan van den Bos, Inspector General of ILT: "The emission of sulfur and nitrogen oxides from sea-going vessels is harmful to people and to the environment. Part...
(Excerpt) Read more at: phys.org
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