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- Data (5)
- News (5)
- Missions (1)
- Events (7)
- Tools (3)
- Activities (2)
- Documents (680)
News - Thematic area articles
Global understanding of Earth's land surfaces greatly boosted by satellite data
ESA perform land surface monitoring with a range of instruments onboard satellites acquiring optical and radar data. Collections of data from these missions are freely available for research purposes.
News - Thematic area articles
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.
News - Spotlight on EO community
Interviewing Mirko Albani
ESA’s Heritage Space Programme Manager describes the goals of the programme, some of the challenges involved in preserving and improving 40 years of historical Earth observation data, and his passion for curating this long-term archive.
Event - Workshop
Fringe 2003 Workshop
The third ESA International Workshop on ERS SAR Interferometry and its first Workshop on ASAR interferometry: Advances in SAR interferometry from ERS and Envisat missions.
Activity - Projects
Dragon 2 Cooperation Programme
The Dragon 2 Programme focussed on the exploitation of ESA, ESA's Third Party Missions and Chinese Earth observation data for science and applications development in land, ocean and atmospheric applications.
Event - Workshop
Fringe 1996 Workshop
The workshop on ERS SAR Interferometry was open to scientists and students working in the field of Synthetic Aperture Radar (SAR) interferometry and its applications.
Event - Workshop
SEASAR 2008
The "Advances in SAR Oceanography from Envisat and ERS missions" was a thematic workshop on SAR remote sensing techniques for oceanography.
News - Success Stories
ERS Heritage Data allow for 30 years of science
At their time of launch thirty years ago, the two ERS satellites were the most sophisticated Earth observation spacecraft ever developed and launched by Europe.
News - Infographics
ERS - ESA’s first Earth observation satellites
To mark the 30th anniversary of ERS, we've released a new infographic summarising the mission.
Document - General Reference
spaceborne-radar-applications-in-geology-an-introduction.pdf
This document is intended for geologists who are interested in broadening their knowledge of interpretation of imaging radar data. It introduces imaging radar as it may be used by technicians and image interpreters. Interferometric SAR is briefly treated, with some basic and practical hints. An illustrated application study on land subsidence is included.
Tools - Apps
Heritage Missions app for iOS
Download the Heritage Missions application to discover what the missions were about, how it worked and what the elements of the space and ground segment that make these missions unique.
Tools - Apps
Heritage Missions app for Android
Download the Heritage Missions application to discover what the missions were about, how it worked and what the elements of the space and ground segment that make these missions unique.
Document - Technical Note
ESRIN-ERS-Central-Facility-GAP-Files-Interface-Specification.pdf
This document specifies the interface through which files of data related to the Global Activity Plan (GAP), stored in the ESRIN ERS Central Facility (EECF), are transmitted to the external entities. The EECF systems involved in this data exchange are the Interface Subset (ISS), responsible for telecommunication aspects and preprocessing, and the Central User Service (CUS), where the GAP resides.
Document - Technical Note
ERS-National-and-Foreign-Stations-Operators-Working-Group.pdf
This document presents material from the ERS National and Foreign Ground Station Operators Working Group Meeting, which took place in Toulouse, France, from 14 to 15 December 1995.
Document - Publication - Paper
Calibration strategy for ERS scatterometer data reprocessing.pdf
Paper included in the Proceedings of SPIE Remote Sensing of the Ocean and Sea Ice 2005 - vol.5977- Brugge (Belgium): Calibration strategy for ERS scatterometer data reprocessing. WS Cal/Val.
Tools - Other
Forestry TEP
The Forestry Thematic Exploitation Platform (TEP) enables users in the forestry sector to access satellite data based processing services and tools for generating value-added forest information products.
Event - Workshop
SEASAR 2012
The European Space Agency and the Norwegian Space Centre jointly organised the fourth SAR oceanography workshop, 'SEASAR 2012', entitled 'Advances in SAR Oceanography'.
Data - Fast Registration with immediate access (Open)
ERS-2 SCATTEROMETER Surface Soil Moisture Time Series and Orbit product in High and Nominal Resolution [SSM.H/N.TS - SSM.H/N]
Surface soil moisture records are derived from the backscatter coefficient measured by the Scatterometer on-board the European Remote Sensing satellite (ERS-2) using the Technische Universität (TU) Wien soil moisture retrieval algorithm called WARP (WAter Retrieval Package). In the WARP algorithm, the relative surface soil moisture estimates, given in degree of saturation Sd, range between 0% and 100% are derived by scaling the normalized backscatter between the lowest/highest backscatter values corresponding to the driest/wettest soil conditions. Surface Soil Moisture - Time Series product: The products generated are the surface soil moisture time series, where for each grid point defined in a DGG (Discrete Global Grid) is stored the time series of soil moisture and its noise, the surface state flag, the geolocation and the satellite parameters. The spatial resolution of the products is about 25 km x 25 km (high resolution) or 50 km x 50 km (nominal resolution) geo-referenced on the WARP grid. The location of the points can be viewed interactively with the tool DGG Point Locator. Surface Soil Moisture - Orbit product: In addition to WARP, a second software package, referred to as WARP orbit, was developed in response to the strong demand of soil moisture estimates in satellite orbit geometry. The Level 2 soil moisture orbit product contains a series of Level 1 data information, such as the backscatter, the incidence angle and the azimuth angle for each triplet together with the surface soil moisture and its noise, normalized backscatter at 40° incidence angle, parameters useful for soil moisture, the geolocation and the satellite parameters. The soil moisture orbit product is available in two spatial resolutions with different spatial sampling distances: Spatial sampling on a regular 12.5 km grid in orbit geometry with a spatial resolution of about 25 km x 25 km (High resolution) Spatial sampling on a regular 25 km grid in orbit geometry with a spatial resolution of about 50 km x 50 km (Nominal resolution). The spatial resolution is defined by the Hamming window function, which is used for re-sample of raw backscatter measurements to the orbit grid in the Level-1 ground processor. Please consult the Product Quality Readme file before using the ERS-2 Surface Soil Moisture data.
