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Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.

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  • Document - Product Document

    Landsat-TM-ETM-CEOS-ESA-Products 24 Nov 2020

    Document - Product Document

    Landsat-TM-ETM-CEOS-ESA-Products

    This document describes the standards used by ESA for the distribution of the TM and ETM+ (Thematic Mapper and Enhanced Thematic Mapper) optical sensor products.

  • Document - User Guide

    GOME Data Processor Extraction Software User's Manual 1 Mar 2019

    Document - User Guide

    GOME Data Processor Extraction Software User's Manual

    The purpose of this document is to provide an extended operationmanual for these extraction software tools. This followsa request from several users who found the instructions for use asdelivered on the GOME product FTP-site too concise. This documentdoes not contain a product format description. For that, the useris referred to the Product Specification Document [G4], which isalso present on the product FTP-site.

  • Document - Proceedings

    ESAMS '99 - European Symposium on Atmospheric Measurements from Space (Vol I and II) 1 Mar 2019

    Document - Proceedings

    ESAMS '99 - European Symposium on Atmospheric Measurements from Space (Vol I and II)

    These two volumes contain the Workshop Proceedings of the 'European Symposium on Atmospheric Measurements from Space} (ESAMS '99) held on 18-22 January 1999 at ESA-ESTEC, The Netherlands.

  • Document - Product Specifications

    LANDSAT 7 Enhanced Thematic Mapper Plus (ETM+) Level 1 Data Format Control Book 1 Mar 2019

    Document - Product Specifications

    LANDSAT 7 Enhanced Thematic Mapper Plus (ETM+) Level 1 Data Format Control Book

    This Data Format Control Book (DFCB) presents detailed data formatsfor the output files generated by the Image Assessment System(IAS), Level 1 (L1) Product Generation System (LPGS), and NationalLand Archive Production System (NLAPS).

  • Document - Product Document

    Level 1 Product Output Files Data Format Control Book - Volume 5, Book 2 1 Mar 2019

    Document - Product Document

    Level 1 Product Output Files Data Format Control Book - Volume 5, Book 2

    This Data Format Control Book (DFCB) presents detailed data formatsof the output files from the various Level processing systems:Hierarchical Data Format (HDF), FAST-Landsat 7 (FAST-L7A),Geographic Tagged Image File Format (GeoTIFF).

  • Document - Product Cal/Val Plan/Report

    ERS-2 GOME Data Products Delta Characterisation Report 1999 1 Mar 2019

    Document - Product Cal/Val Plan/Report

    ERS-2 GOME Data Products Delta Characterisation Report 1999

    The Delta Validation Campaign 1999 was organised to provide an independent characterisation of the recent upgrades of the GDP level-0-to-1 and level-1-to-2 segments. Main emphasis was given to the global quality assessment of new NO2 column amounts, but other major GDP changes were investigated as well.

  • Document - Technical Note

    On-orbit Attitude Control and Determination System (ACDS) Performance of the Landsat 7 Spacecraft 1 Mar 2019

    Document - Technical Note

    On-orbit Attitude Control and Determination System (ACDS) Performance of the Landsat 7 Spacecraft

    Paper presenting the significant events of the on-orbit initialization and validation period, including ACDS sensor activation and calibration.

  • Document - Technical Note

    Landsat 7 ETM Image Assessment System Geometric Algorithm Theoretical Basis Document 1 Mar 2019

    Document - Technical Note

    Landsat 7 ETM Image Assessment System Geometric Algorithm Theoretical Basis Document

    ATBD detailing the proposed algorithms with which the geometric calibration processing of the ESA MSS data is based.

  • Document - Technical Note

    Landsat 7 ETM Image Assessment System Radiometric Algorithm Theoretical Basis Document 1 Mar 2019

    Document - Technical Note

    Landsat 7 ETM Image Assessment System Radiometric Algorithm Theoretical Basis Document

    ATBD detailing the proposed algorithms with which the radiometric calibration processing of the ESA TM and ETM+ data is based.

  • Document - Technical Note

    GOME Level 0 to 1 Algorithms Description 1 Mar 2019

    Document - Technical Note

    GOME Level 0 to 1 Algorithms Description

    After 11 years of GOME measurements, with the instrument still in good shape, ESA has decided on the first complete Level 0-to-1 processing of the entire GOME data set. The main driver for this reprocessing has been the gaps in GDP solar calibration spectra over long time periods, caused by pointing issues on the ERS-2 platform. The new GDP contains improved limit checking on solar spectra, improved line selection for better spectral calibration stability, and algorithmic changes described in this document. The precision error on the solar spectrum has been reformulated, and severaloptions have been updated in the GDP extraction software, following the CHEOPS-GOME study. This comprises improved Peltier crosstalk correction in Band 1a, seasonal correction on BSDF, improvement in Polarisation Correction, and a new degradation correction of Earthshine Reflectivity. As for the Fifth Issue, we maintained the older algorithm descriptions and added the new ones to the end of each chapter.

  • Document - Technical Note

    Landsat and Thermal Infrared Imaging 1 Mar 2019

    Document - Technical Note

    Landsat and Thermal Infrared Imaging

    An interesting part of this paper discusses the radiometric calibration approach and performance for the TM / ETM+ thermal band data. Similarly, some details on the thermal infrared sensor (TIRS)..

  • Document - Technical Note

    Landsat 7 ETM+ Image Assessment System Geometric Algorithm Theoretical Basis Document 1 Mar 2019

    Document - Technical Note

    Landsat 7 ETM+ Image Assessment System Geometric Algorithm Theoretical Basis Document

    ATBD detailing the proposed algorithms with which the geometric calibration processing of the ESA MSS data is based.

  • Document - Technical Note

    Landsat 7 ETM+ Image Assessment System Radiometric Algorithm Theoretical Basis Document 1 Mar 2019

    Document - Technical Note

    Landsat 7 ETM+ Image Assessment System Radiometric Algorithm Theoretical Basis Document

    ATBD detailing the proposed algorithms with which the radiometric calibration processing of the ESA TM and ETM+ data is based.

  • Document - Product Document

    GOME Ozone Fast Delivery Service Product Guide- A Data User Programme Project 1 Mar 2019

    Document - Product Document

    GOME Ozone Fast Delivery Service Product Guide- A Data User Programme Project

    A Fast Delivery Service is developed by the Royal Netherlands Meteorological Institute (KNMI) to provide to Users the Global Ozone Monitoring Experiment (GOME, on board of ESA ERS-2 satellite) ozone products within 3 hours after observation. This Service meets the growing demand (by operational meteorology, laboratories, ...) for ozone products for purposes like: assimilation in numerical weather prediction models, radiation forecasts, planning of experiments related to atmospheric chemistry research.

  • Document - Technical Note

    Monitoring the Earth's Environment 1 Mar 2019

    Document - Technical Note

    Monitoring the Earth's Environment

    A Pilot Project compaign on LANDSAT Thematic Mapper Applications 1985-87

  • Document - Technical Note

    Long-term monitoring of the GOME thermal environment - 1995-2002 1 Mar 2019

    Document - Technical Note

    Long-term monitoring of the GOME thermal environment - 1995-2002

    In this document the analysis of the GOME thermal environment aboard ERS-2 during lifetime was updated to cover the period April 1995 - March 2002, for the pre-disperser prism, the radiator, the four charge amplifiers, the scan unit electronics and motor, the DDHU DC/DC converter and the DDHU Peltier board.

  • Document - Product Readme Note

    Readme file for GOME Level 2 version 5 products 15 June 2018

    Document - Product Readme Note

    Readme file for GOME Level 2 version 5 products

    Readme file for ERS GOME Level 2 version 5 products

  • Document - Algorithms Theoretical Baseline Document

    cawa-requirements-baseline.pdf 20 Oct 2015

    Document - Algorithms Theoretical Baseline Document

    cawa-requirements-baseline.pdf

    CAWA (Advanced Clouds, Aerosols and WAter vapour products for Sentinel-3/OLCI) requirements baseline document provides information about the physical background, technical structure and the functional principle of the CAWA total column water vapour retrieval as defined within the CAWA project, which aims to the development and improvement of advanced atmospheric retrieval algorithms for the Envisat/MERIS and Sentinel-3/OLCI mission.

  • Document - Algorithms Theoretical Baseline Document

    cawa-algorithm-theoretical-basis-water-vapor.pdf 20 Oct 2015

    Document - Algorithms Theoretical Baseline Document

    cawa-algorithm-theoretical-basis-water-vapor.pdf

    This document provides information about the physical background, technical structure and the functional principle of the CAWA total column water vapour retrieval as defined within the SEOM CAWA 'advanced Clouds, Aerosols and WAter vapour products for Sentinel-3/OLCI' project.

  • Document - Product Specifications, Product Document

    LANDSAT Products Description Document.pdf 7 May 2015

    Document - Product Specifications, Product Document

    LANDSAT Products Description Document.pdf

    LANDSAT products, algorithm and processing description document (MSS, TM and ETM+)