THEMATIC AREA
INSTRUMENT TYPE
INSTRUMENT

Data

Discover and download the Earth observation data you need from the broad catalogue of missions the European Space Agency operate and support.

other

EO-SSO registration

Learn how to register an EO-SSO account, which is required to access some data and submit proposals for data.

data description

ERS-1/2 Radar Altimeter REAPER METEO Product - [ERS_ALT_2M]

This is a RA Meteo product containing only the 1 Hz parameters for altimeter (surface range, satellite altitude, wind speed and significant wave...

data description

ERS-1/2 Radar Altimeter REAPER Sensor Geophysical Data Record - SGDR [ERS_ALT_2S]

This is a RA Sensor Geophysical Data Record (SDGR) product containing all of the parameters found in the REAPER GDR product (ERS_ALT_2_) with th...

data description

ERS-1/2 Radar Altimeter REAPER Geophysical Data Record - GDR [ERS_ALT_2]

This is a RA Geophysical Data Record (GDR) product containing radar range, orbital altitude, wind speed, wave height and water vapour from the A...

News

Discover the latest news on the European Space Agency's Earth Observation activities. Learn all about new data availability and how ESA's missions are performing.

general news

New Earth Online Newsletter

Stay up to date with the latest news in our newsletter.

Read more

general news

Mission continuity

Long-term availability of Earth observation data from a given instrument is crucial to many data users and their research—but just how does it work?

Read more

operational news

Updated Precise Orbit data (POD) for the full ERS-1 and ERS-2 mission available

The Precise Orbit files (ERS.ORB.POD) for the entire ERS-1 and ERS-2 mission periods have been reprocessed with up-to-date standards.

Read more

operational news

Envisat-ERS (A)SAR - Enhanced Dissemination Service

ESA is pleased to announce the release of several new features as part of the ESA On-The-Fly data processing and dissemination service.

Read more

general news

Sentinel-1 warns of refugee island flood risk

Bangladesh government proposing a vulnerable low-lying island as a relocation site for thousands, Sentinel-1 data shows site unsuitable.

Read more

scientific highlights

Proba-1 sets new record

Originally designed as a two-year mission and launched 22 October 2001, Proba-1 is still going strong, providing valuable hyper-spectral data.

Read more

Missions

Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.

ERS
heritage missions

ERS

The ERS programme was composed of two missions, ERS-1 and ERS-2, which together observed the Earth for 20 years, from 1991 to 2011.

Read more

Events

Learn about upcoming Earth observation conferences, workshops and training courses that the European Space Agency organise or support. Discover the results of past events, which may provide useful reference or material for your work.

EVENT - conference

Living Planet Symposium 2019

ESA's Living Planet Symposia are amongst the biggest Earth observation conferences in the world. The events see scientists present their latest findings on Earth's environment and climate.

Read more

ACTIVITIES

Find the activities you need.

ACTIVITY - quality

SCIRoCCo

The SCIRoCCo project is an interdisciplinary cooperation of scatterometry experts aimed at promoting the continuing exploitation of ESA's unique 20 years' worth of ERS Scatterometer data. Read more

INSTRUMENTS

Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.

a-spectrometers-radiometers

ATSR-2

Used for measuring sea-surface temperatures, cloud-top temperatures and vegetation monitoring.

OTHER RESOURCES

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

DOCUMENT - Publication - Paper

1 Mar 2019

ERS-2 SAR PERFORMANCE AND PRODUCT EVOLUTION

ENVISAT SYMPOSIUM 2007, Montreux, Switzerland 23????27 April 2007 (ESA SP-636, July 2007: this paper describes the performance for the ERS-2 SAR from instrument status to product quality assessment. Download