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First Ozone And Nitrogen Dioxide Measurements From The Global Ozone Monitoring Experiment

Date:
March 15, 2007
Source:
European Space Agency
Summary:
The Global Ozone Monitoring Experiment-2 launched in October 2006 and currently undergoing commissioning has delivered the first geophysical products for monitoring the Earth's ozone layer, and European and global air quality. The instrument measures profiles of atmospheric ozone and the distribution of other trace gases in the atmosphere that are related to the depletion of ozone in the stratosphere, and to natural and anthropogenic sources of pollution.

Total ozone (O3) in the atmosphere measured on 11 January 2007 by the GOME-2 instrument carried on MetOp-A. The image illustrates the variability within the ozone layer, with the ozone-rich atmosphere at the northern mid-latitudes and smaller ozone concentrations over the (sub)-tropical regions.
Credit: EUMETSAT - DLR

The Global Ozone Monitoring Experiment-2 (GOME-2) on board MetOp-A launched in October 2006 and currently undergoing commissioning has delivered the first geophysical products for monitoring the Earth's ozone layer, and European and global air quality.

This marks the start of a long-term European commitment to monitor the recovery of the ozone layer and to support the monitoring and forecasting of air quality, both for European citizens and at a global level.

The products have been developed by the German Aerospace Center (DLR) in partnership with EUMETSAT’s Satellite Application Facility on Ozone and Atmospheric Chemistry Monitoring (O3M SAF), which is coordinated by the Finnish Meteorological Institute (FMI). The O3M SAF generates, validates, archives and distributes atmospheric ozone, trace gases, aerosols and surface-ultraviolet radiation data products using measurements from MetOp-A.

GOME-2, a scanning spectrometer, follows on from successful GOME flown on ESA’s ERS-2 satellite launched in April 1995, and provides near-global coverage on a daily basis. The instrument measures profiles of atmospheric ozone and the distribution of other trace gases in the atmosphere. The instrument measures profiles of atmospheric ozone and the distribution of other trace gases in the atmosphere that are related to the depletion of ozone in the stratosphere, and to natural and anthropogenic sources of pollution.

The amount of surface ultraviolet radiation is also derived from GOME-2 measurements. The ozone layer at an altitude of 20-30 kilometres shields the Earth from harmful ultra-violet radiation. However, the depletion of this protective ozone layer, which is most noticeable over the Arctic and Antarctic regions, is of particular environmental concern. The resulting increased levels of ultraviolet radiation reaching the surface of the Earth can cause serious damage to human health, agriculture, forests and water ecosystems. High levels of atmospheric pollutants such as nitrogen dioxide produced by fossil fuel combustion, can damage respiratory health and contribute to acid deposition which harms soil and vegetation.


Story Source:

The above story is based on materials provided by European Space Agency. Note: Materials may be edited for content and length.


Cite This Page:

European Space Agency. "First Ozone And Nitrogen Dioxide Measurements From The Global Ozone Monitoring Experiment." ScienceDaily. ScienceDaily, 15 March 2007. <www.sciencedaily.com/releases/2007/03/070314110559.htm>.
European Space Agency. (2007, March 15). First Ozone And Nitrogen Dioxide Measurements From The Global Ozone Monitoring Experiment. ScienceDaily. Retrieved April 25, 2014 from www.sciencedaily.com/releases/2007/03/070314110559.htm
European Space Agency. "First Ozone And Nitrogen Dioxide Measurements From The Global Ozone Monitoring Experiment." ScienceDaily. www.sciencedaily.com/releases/2007/03/070314110559.htm (accessed April 25, 2014).

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