Day 4

Detailed paper information

Back to list

Paper title ESA Third Party Mission Processing Campaigns for ALOS Optical, Landsat 5 TM and Landsat 7 ETM+
Authors
  1. Fay Done Telespazio UK Speaker
  2. Christopher Doyle Telespazio UK
  3. Roberto Biasutti ESA - ESRIN
Form of presentation Poster
Topics
  • B6. National missions TPM
    • B6.01 National EO satellite missions
Abstract text The Advanced Land Observing Satellite (ALOS) was launched by the Japan Aerospace Exploration Agency (JAXA) in January 2006. It carried three sensors: the Advanced Visible and Near Infrared Radiometer type 2 (AVNIR-2), the Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM), and the Phased Array type L-band Synthetic Aperture Radar (PALSAR).

The data for observations over Africa, the Arctic and Europe were collected by two European Space Agency (ESA) ground stations as part of the ALOS Data European Node (ADEN), under a distribution agreement with JAXA, and subject to a recent bulk processing campaign. The latter focused on processing data from the AVNIR-2 and PRISM sensor only, from Level 0 (raw) – Level 1C (orthorectified).

The quality control activities concerning the L1B1 and L1C datasets for both sensors were performed prior to their release / dissemination to users. The quality control activities concerning the brand new L1C products, which were generated using an instrument processing facility developed by the German Aerospace Centre (DLR), included DIMAP product format (including the ESA EO-SIP product wrapper format), geometric and radiometric calibration quality checks. The results of these quality checks, which will be presented in more detail in the poster, generally indicate the data quality is nominal.

----

The Landsat programme, jointly operated by the United States Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA), provides the world’s longest running system of satellites for the medium-resolution optical remote sensing of land, coastal areas and shallow waters.

The data acquired over Europe by the European Space Agency (ESA), using their ground stations (in co-operation with the USGS and NASA), has been subjected to a recent bulk L1C reprocessing campaign. The reprocessed dataset, generated by the Systematic Landsat Archive Processor (SLAP) Instrument Processing Facility (IPF), developed by Exprivia for the Landsat 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) datasets, allows for the historical Landsat products to be updated / aligned with the highest quality standards that can be achieved with the current knowledge of the instrument (e.g. geometric processing via applications of orbit state vector files, an updated TM/ETM ground control points database and digital elevation models).

The quality control activities concerning the L1C datasets for both sensors were performed prior to their release / dissemination to users. The quality control activities concerning the new L1C products, included product format (including the ESA EO-SIP product wrapper format), geometric and radiometric calibration quality checks. The results of these quality checks, which will be presented in more detail in the poster, generally indicate the data quality is nominal.