News - Infographics

Key facts about Canada's ozone-studying SCISAT mission

Learn about the SCISAT mission in our new infographic.

Tools - Catalogues

FedEO

FedEO is a data catalogue that provides a unique entry point to a number of scientific catalogues and services for, but not limited to, European and Canadian missions.

Tools - Catalogues

ESA PDGS DataCube

ESA's DataCube is a data catalogue that enables multi-temporal and pixel-based access to a subset of data available from ESA

Tools - Catalogues

EO CAT

EO CAT is a data catalogue, offering a Next Generation Earth Observation system designed to manage end-user Earth Observation services.

Event - Conference

Atmospheric Science Conference 2006

The 2006 conference was dedicated the theme atmosphere to provide scientists and data users with the opportunity to present first-hand and up-to-date results from their ongoing research activities ESA Mission instruments.

Document - Publication - Paper

Atmospheric-Chemistry-Experiment-ACE-Mission-Overview.pdf

This paper was published in the GEOPHYSICAL RESEARCH LETTERS, Vol.32 (L15S01, doi:10.1029/2005GL022386, 2005) and presents an overview of the Canadian mission SCISAT-1 (also known as the Atmospheric Chemistry Experiment ACE) and some of its first scientific results.

Data - Fast Registration with approval (Restrained)

SPOT 1-5 ESA archive

The ESA SPOT 1-5 collection is a dataset of SPOT 1 to 5 Panchromatic and Multispectral products that ESA collected over the years. The HRV(IR) sensor onboard SPOT 1-4 provides data at 10 m spatial resolution Panchromatic mode (-1 band) and 20 m (Multispectral mode -3 or 4 bands). The HRG sensor on board of SPOT-5 provides spatial resolution of the imagery to < 3 m in the panchromatic band and to 10 m in the multispectral mode (3 bands). The SWIR band imagery remains at 20 m. The dataset mainly focuses on European and African sites but some American, Asian and Greenland areas are also covered. Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service. The SPOT Collection

Data - External Data (Restrained)

SciSat-1: ACE-FTS and MAESTRO

SCISAT-1 data aim at monitoring and analysing the chemical processes that control the distribution of ozone in the upper troposphere and stratosphere. It provides acquisitions from the two instruments MAESTRO and ACE-FTS. MAESTRO: Measurement of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation. Dual-channel optical spectrometer in the spectral region of 285-1030 nm. The objective is to measure ozone, nitrogen dioxide and aerosol/cloud extinction (solar occultation measurements of atmospheric attenuation during satellite sunrise and sunset with the primary objective of assessing the stratospheric ozone budget). Solar occultation spectra are being used for retrieving vertical profiles of temperature and pressure, aerosols, and trace gases (O3, NO2, H2O, OClO, and BrO) involved in middle atmosphere ozone distribution. The use of two overlapping spectrometers (280 - 550 nm, 500 - 1030 nm) improves the stray-light performance. The spectral resolution is about 1-2 nm. ACE-FTS: Fourier Transform Spectrometer. The objective is to measure the vertical distribution of atmospheric trace gases, in particular of the regional polar O3 budget, as well as pressure and temperature (derived from CO2 lines). The instrument is an adapted version of the classical sweeping Michelson interferometer, using an optimised optical layout. The ACE-FTS measurements are recorded every 2 s. This corresponds to a measurement spacing of 2-6 km which decreases at lower altitudes due to refraction. The typical altitude spacing changes with the orbital beta angle. For historical reasons, the retrieved results are interpolated onto a 1 km "grid" using a piecewise quadratic method. For ACE-FTS version 1.0, the results were reported only on the interpolated grid (every 1 km from 0.5 to 149.5 km). For versions 2.2, both the "retrieval" grid and the "1 km" grid profiles are available. SCISAT-1 collection provides ACE-FTS and MAESTRO Level 2 Data. As of today, ACE-FTS products are available in version 4.1, while MAESTRO products are available in version 3.13.

Mission - Heritage Missions

SPOT

The SPOT (from French "Satellite pour l'Observation de la Terre") series of missions has been supplying high-resolution, wide-area optical imagery since 1986.

Document - Product Specifications

ACE-FTS Atmospheric Chemistry Experiment - File format description for ACE-Imager level 2 data ---

Mission - Heritage Missions

SPOT 3

SPOT 3, like all the SPOT missions, was aimed at supplying high-resolution, wide-area optical imagery.

Mission - Heritage Missions

SPOT 2

SPOT 2, like all the SPOT missions, was aimed at supplying high-resolution, wide-area optical imagery.

Mission - Heritage Missions

SPOT 1

SPOT 1 was designed to improve the knowledge and management of Earth's resources, detecting and forecasting phenomena involving climatology and oceanography, and monitoring human activities and natural phenomena.

Mission - Third Party Missions

SCISAT-1

SCISAT-1 is designed to make observations of Earth's atmosphere and its main instruments are an optical Fourier transform infrared spectrometer and an ultraviolet spectrophotometer.

Document - Product Readme Note

Retrievals-for-the-Atmospheric-Chemistry-Experiment-Fourier-Transform-Spectrometer.pdf

This paper describes the approach developed for the retrieval of atmospheric temperature and pressure from the troposphere to the lower thermosphere as well as the strategy for retrievals of volume-mixing ratio profiles of atmospheric species.

Document - Proceedings

Advances-in-Atmospheric-Science-and-Applications.pdf

Proceedings in Advances in Atmospheric Science and Applications held in 18-22 June 2012 in Bruges, Belgium.

Document - General Reference

BIOMASS-Report-for-Mission-Selection-An-Earth-Explorer-to-observe-forest-biomass.pdf

The objective of the BIOMASS Mission is to determine the global distribution of forest biomass by reducing the uncertainty in the calculation of carbon stock and fluxes associated with the terrestrial biosphere.

Document - General Reference

CoReH2O-Report-for-Mission-Selection-An-Earth-Explorer-to-observe-snow-and-ice.pdf

This report describes the CoReH2O (Cold Regions Hydrology high-resolution Observatory) mission, which was selected for feasibility study in the third cycle of Earth Explorers.

Document - User Guide

Third Party Missions, Cat-1 Data Availability

This brochure gives a quick overview on the availability of the Third Party Missions IRS-P3, JERS-1, NIMBUS, Proba, Landsat, KOMPSAT-1, SCISAT-1, Terra/Aqua, NOAA, QSCAT, OrbView, SPOT-1,-2,-3,-4, ALOS.