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  • End-User Access Policy to ESA and Third Party Mission Data, Tools and Resources

    This document describes ESA's Earth observation End-User Access Policy to ESA and Third Party Mission Data, Tools and Resources.

  • How ESA's Third Party Missions support European commercialisation

    ESA's Third Party Missions programme consists of Earth observation satellites that are owned by commercial and public organisations around the world.

  • Scientists to showcase value of Earth observation data at EGU

    Remote sensing scientists are getting ready to present innovative and exciting applications of satellite data at the European Geosciences Union general assembly which will take place from 24 to 28 April in Vienna, Austria.

  • How scientists use space data to help advance the energy transition

    Scientists are using remote sensing data disseminated by ESA to support the green transformation of world’s power generation infrastructure.

  • International collaboration: Summarising ESA’s Third Party Missions

    ESA’s Third Party Missions programme consists of more than 50 missions from around the world. Learn more about the Third Party Missions in this video.

  • Living Planet Symposium 2022

    Learn about the 2022 edition of ESA's Living Planet Symposium.

  • Technical-Note-on-Quality-Assessment-for-GHGSAT-D

    Technical Note on Quality Assessment for GHGSAT-D

  • Transforming space data into climate action

    ESA’s Earth observation activities are playing a key role in the revitalised global drive to combat climate change.

  • ESA facilitates access to greenhouse gas data

    Canadian company GHGSat Inc., which offers high-resolution remote sensing of greenhouse gas emissions, air quality gas, and other trace gas emissions from any point sources in the world, is now an ESA Third Party Mission.

  • Greenhouse gas monitoring with the GHGSat mission

    Find out more about the GHGsat mission in our new infographic.

  • Third Party Missions Brochure

    This brochure summarises ESA's Third Party Missions programme, providing a timeline and examples of content related to some of the missions.

  • Space data help to unravel the complexities of Earth’s atmosphere

    As the impacts of the climate crisis intensify, scientists are using ESA’s Earth observation archives to investigate atmospheric processes and their influences on the planet’s changing environment.

  • Technical Note on Quality Assessment for GHGSat-C1

    Technical Note on Quality Assessment for GHGSat-C1

  • An overview of ESA's Third Party Missions programme

    ESA’s Third Party Missions programme consists of almost 50 satellite missions, which are owned by organisations around the world. ESA has agreements with these organisations to acquire, process, and distribute data from their missions

  • ESA Third Party Missions timeline

    We've released a new timeline to illustrate the history of the ESA Third Party Missions.

  • GHGSat

    The GHGSat mission is dedicated to measuring emissions of greenhouse gases.

  • GHGSat archive and tasking

    GHGSat data produce measures of vertical column densities of greenhouse gas emissions ((currently CH4, but eventually CO2), provided on a pre-defined area of 12 km x 12 km, from the full sensor field-of-view. GHGSat Catalogue and New Collect data are available in three different data types: Single Observation: a single observation of a scene. Monthly Monitoring: guaranteed 12 successful observations in a year over a given site (once per month or flexible best effort cadence depending on weather). Weekly Monitoring: guaranteed 52 successful observations in a year over a given site (once a week or flexible best effort cadence based on weather), to accommodate large & persistent monitoring needs. Data are provided as an Emissions package containing the following products: Abundance dataset (Level 2): Set of per-pixel abundances in excess of the local background (ppb) for a single species, and per-pixel measurement error expressed as a standard deviation for a single site on a single satellite pass. Data format is 16-bit GeoTIFF. Concentration Maps (Level 2): High readability pseudocolour map combining surface reflectance, and column density expressed in ppb for a single species in PNG format. The relevant abundance dataset is provided as well. Emission Rates (Level 4): Instantaneous rate for a detected emission from a targeted source estimated using abundance datasets from a single satellite pass and applying dispersion modelling techniques. The delivered product includes the emission rate estimate with uncertainty and key dispersion parameters (in CSV format) as well as the abundance dataset used for the emission estimate. This product is only delivered in the Emissions package if an emission is detected within the abundance dataset. The Level 2 products will be delivered regardless of whether or not an emission is detected. The properties of available products are summarised in the table. Band(s) / Beam Mode(s) and Polarisation SWIR (1635-1675 nm), multiple bands, unpolarised Spatial Resolution <30 m Scene size 12 km x 12 km Species Measured CH4 Geometric Corrections Radial distortion, perspective projection Radiometric Corrections Detector pixel response, ghosting, spectral response, atmospheric correction including trace gas modelling and surface reflectance Details about the data provision, data access conditions and quota assignment procedure are described in the GHGSat Terms of Applicability.

  • GHGSat-Terms-of-Applicability.pdf

    This document describes the terms of applicability for accessing data products for GHGSat.

  • GHGSat-Datamaster-Guide.pdf

    GHGSat data documents

  • GHGSat-DATA-SAT-Product-Specifications.pdf

    This document describes the product specifications of the GHGSat mission.