Groundbreaking Research on Ozone Monitoring Reveals Long-Term Patterns

Strategic Insights -

A team of researchers has made significant strides in ozone monitoring, unveiling a comprehensive 26-year dataset derived from satellite instruments. The findings, published in a recent issue of Atmospheric Measurement Techniques, provide monthly mean ozone profiles at 5° x 5° latitude by longitude, covering 19 atmospheric layers from the surface to 80 km. The data, which was developed by the German Aerospace Center (DLR) under the European Space Agency Climate Change Initiative+ (ESA-CCI+) ozone project, is set to enhance the understanding of ozone distributions and dynamics.

Key Takeaways:

  • The Global Ozone Monitoring Experiment (GOME)-type Ozone Profile Essential Climate Variable (GOP-ECV) data record spans 26 years, from July 1995 to October 2021.
  • The dataset is derived from a series of five nadir-viewing ultraviolet-visible(-near-infrared) GOME-type satellite instruments, including GOME/ERS-2, SCIAMACHY/ENVISAT, OMI/Aura, GOME-2/MetOp-A, and GOME-2/MetOp-B.
  • The profiles are given as partial columns for 19 atmospheric layers, ranging from the surface up to 80 km, and are sensitive to both tropospheric and stratospheric amounts of ozone.
  • The merged profile record has been developed by the German Aerospace Center (DLR) under the European Space Agency Climate Change Initiative+ (ESA-CCI+) ozone project.
  • The researchers applied an altitude-dependent scaling that utilizes ozone profile Jacobians obtained from a machine learning approach to achieve improved robustness and stability of the merged profiles.
  • Climatological ozone distributions derived from the final GOP-ECV data record exhibit expected spatiotemporal patterns.

Statistics:

  • The dataset covers a 26-year period from July 1995 to October 2021.
  • The research involves the analysis of data from five satellite instruments, including GOME/ERS-2, SCIAMACHY/ENVISAT, OMI/Aura, GOME-2/MetOp-A, and GOME-2/MetOp-B.
  • The GOME-type Total Ozone Essential Climate Variable (GTO-ECV) data record shows excellent long-term stability.
  • The merged profile record provides monthly mean ozone profiles at a spatial resolution of 5° x 5° latitude by longitude.

Sources:

  • "The novel GOME-type Ozone Profile Essential Climate Variable (GOP-ECV) data record covering the past 26 years." (Atmospheric Measurement Techniques, 2025, 18(): 5485-5505)
  • NewsRx. New Information Technology Study Findings Recently Were Reported by Researchers at Remote Sensing Technology Institute [The novel GOME-type Ozone Profile Essential Climate Variable (GOP-ECV) data record covering the past 26 years]. Information Technology Newsweekly. November 4, 2025; p 213.