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USE CASE 1 - Intelligent screening of large amount of satellite data


Environmental satellite data are gradually becoming key in helping build an understanding of the changing environment and a new engine of scientific discovery. The intelligent screening of a large amount of satellite data is associated with the Earth sciences, data-derived and integrated from Earth observation, as well as terrestrial, oceanic and atmospheric data, together with data on human activity, obtained from ground sensor networks and other sources.

 

GOALS

The data area testing case titled “Intelligent screening of a large amount of satellite data for detection and identification of anomalous atmospheric composition events” aims to use HPC and high-performance data management services for the development of intelligent screening approaches for the exploitation of large amounts of satellite atmospheric data in an operational context, implementing a prototype service on the already available Sentinel 5 Precursor (S5P) European atmospheric sounding mission. The corresponding activities are mainly led by SPASCIA, together with its partners:

  • ICARE (Sentinel 5 Precursor, Data access, data provider, formatting ad architecture),
  • HYGEOS (Level 1 data processing for extreme events),
  • SRON (Expertise on S5P data and products, Scientific pilot user).

 

LATEST DEVELOPMENTS

Work has been initiated by SPASCIA, in coordination with ICARE, to select and obtain a sample of the S5P L2 product, and to start the analysis of the corresponding images. This allows the preparation of necessary inputs or test data for the development of the processing algorithm of the L2 S5P products (2nd L2 intelligent screening approach of S5P data, for the detection and characterisation of pollutant plumes). ICARE has implemented and is processing the archiving of S5P data and products on the ICARE facilities for PHIDIAS. Several exchanges between SPASCIA and ICARE have allowed the organisation of a complementary relationship between scientific and IT actions in Use Case 1 and setting up the basis for data exchanges and computing resources.

 

FUTURE PLANS

The first phase of the project (about 1.5 years, up to next February 2021) shall implement, test and validate the processing for intelligent screening approaches for extreme event detection and pollutant plumes monitoring on 1 year of S5P data.

Then prototyping processing will be used to re-process 1 year of global data plus several specific on-demand periods/ regions (March-June 2021) and will be exploited by pilot users in demonstrating added value, improving the processing, and consolidating the products and services of WP4 (March 2021 - June 2022).

The upcoming months will be devoted to:

  • HYGEOS/SPASCIA/ICARE technical development of the first L1 intelligent screening approach of S5P data,
  • SPASCIA/ICARE technical development of the second L2 intelligent screening approach of the S5P product. Specification of processing based on artificial intelligence is ongoing.
  • HYGEOS/SPASCIA/ICARE technical development of the first L1 intelligent screening approach of S5P data,
  • SPASCIA/ICARE technical development of the second L2 intelligent screening approach of the S5P product. Specification of processing based on artificial intelligence is ongoing.


Learn more about the PHIDIAS use case 1 "Intelligent screening of large amount of satellite data"

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