earth online
  • All Categories (4118)
  • Data (44)
  • News (44)
  • Missions (10)
  • Events (34)
  • Tools (4)
  • Activities (13)
  • Campaigns (5)
  • Documents (3964)
  • Data - Sample Data (Open)

    prompt photo

    TerraSAR-X Sample Data

    Download free TerraSAR-X sample datasets to preview products available for this mission.

  • News - General News

    prompt photo

    ESA's improved Earth system data records: what is in store for the future?

    Fundamental Data Records (FDRs) are instrumental in advancing our understanding of Earth systems and for addressing societal challenges effectively. These long-term records contain uncertainty-quantified, calibrated and geo-located multi-instrument/multi-platform satellite sensor data spanning several decades to support climate-related applications.

  • Document - Newsletter

    prompt photo

    Earth Online Newsletter - 22 March 2024

    This issue of the Earth Online Newsletter covers a selection of the latest news and events from ESA.

  • Document - Product Handbook

    prompt photo

    SAR Tropical Oceanic Phenomena Handbook

    ERS SAR Tropical Oceanic Phenomena Handbook.

  • News - Infographics

    prompt photo

    Showcasing the NovaSAR-1 radar satellite

    Learn about the NovaSAR-1 mission in our new infographic.

  • Event - Workshop

    prompt photo

    URBIS24

    URBan Insights from Space (URBIS24) Workshop will offer an insightful exploration of urban challenges and innovative EO-integrated solutions.

  • News - Thematic area articles

    prompt photo

    Space data support Earth’s ecosystems

    ESA’s Earth observation (EO) missions are making a critical contribution to monitoring transformations in our planet’s ecosystems, helping track changes in the vegetation, soil, and ocean that affect these systems.

  • Document - Product Handbook

    prompt photo

    SAR Tropical Atmospheric Phenomena Handbook

    ERS SAR Tropical Atmospheric Phenomena Handbook.

  • News - Announcement of Opportunity updates

    prompt photo

    ESA encourages S-band applications with NovaSAR-1 Announcement of Opportunity

    ESA is offering possibilities to develop new applications in the S-band microwave frequency range, with a new Announcement of Opportunity for NovaSAR-1 data, via ESA’s Third Party Mission programme.

  • Mission - Third Party Missions

    prompt photo

    NovaSAR-1

    Launched on 16 September 2018, NovaSAR-1 features an S-band synthetic aperture radar (SAR) instrument offering a variety of modes with different resolutions and swath widths.

  • Data - Announcement of Opportunity (Restrained)

    prompt photo

    Announcement of Opportunity for NovaSAR-1

    ESA is launching an Announcement of Opportunity for the international scientific community to access data from the NovaSAR-1 mission for science and EO-based applications development.

  • Data - Project Proposal (Restrained)

    prompt photo

    NovaSAR-1 new tasking

    NovaSAR-1 new acquisition data are available in two baseline acquisition modes: Stripmap – provides the highest resolution of 6 metres with up to 20 km swath selected from a 150 km field of regard, available in single polarisation. ScanSAR – has a 20 - 30 metre resolution and up to 150 km swath. Available in single polarisation. Within each of the baseline modes there are a variety of mode options that vary according to ground range resolution, incidence angles, swath width and the number of looks: Acquisition Mode Polarisation Resolution (m) Swath Width (km) Incidence Angles Number of Looks Stripmap Single: HH 6 20 16.0 – 25.38° 3 (1 range, 3 azimuth) 13 – 20 21.29 – 31.2° Single: VV 6 20 16.0 – 25.38° 3 (1 range, 3 azimuth) 13 – 20 21.29 – 31.2° ScanSAR Single: HH 20 100 15.0 - 24.66° 4 (2 range, 2 azimuth) 50 24.51 - 28.94° Single: VV 20 100 15.0 – 24.66° 4 (2 range, 2 azimuth) 50 24.51 - 28.94° Single: HH 30 150 11.29 – 25.93° 4 (2 range, 2 azimuth) 55 27.35 - 32.01° Single: VV 30 150 11.29 – 25.93° 4 (2 range, 2 azimuth) 55 27.35 - 32.01° NovaSAR-1 data are provided as a Level 2 (ARD) product as standard, but the accompanying Level 1 data may also be requested. Level 1 – delivered as reconstructed, unprocessed instrument data at full resolution. Level 2 (ARD) – delivered as a processed product with applied radiometric and geometric corrections i.e. orthorectification and spatial registration: Geocoded Ellipsoid Corrected (GEC) – Maritime and ocean applications Geocoded Terrain Corrected (GTC) – Land applications and change detection Where available, associated automatic identification system (AIS) data may be requested alongside the NovaSAR-1 data products.

  • News - Thematic area articles

    prompt photo

    Tracking the world’s forests from space

    As human activities continue to threaten the planet’s forests, data delivered by satellites are boosting global efforts to conserve these crucial natural resources.

  • News - Spotlight on EO community

    prompt photo

    An overview of the Biomass mission

    In this video, Klaus Scipal - Biomass and SMOS Mission Manager - talks about ESA's upcoming Biomass mission.

  • News - Spotlight on EO community

    prompt photo

    Introducing the Biomass and SMOS Mission Manager

    In this video, Klaus Scipal describes his role as Mission Manager of Biomass and SMOS, and what he enjoys about his involvement with these dedicated science missions.

  • News - Infographics

    prompt photo

    Discover how RADARSAT scans Earth's surface

    Learn about how RADARSAT scans Earth's surface in our new infographic.

  • News - Announcement of Opportunity updates

    prompt photo

    Researchers called to explore new applications of SAOCOM data

    ESA has invited Earth observation experts to devise and propose innovative applications for data delivered by Argentinian remote sensing constellation SAOCOM.

  • News - Thematic area articles

    prompt photo

    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 - Infographics

    prompt photo

    An overview of ESA's Biomass Earth Explorer satellite

    Learn about ESA's upcoming Biomass mission, which is dedicated to gathering information about the global distribution of forest biomass, in our latest infographic.

  • News - Success Stories

    prompt photo

    Long-term satellite data show wind farms can affect local air currents

    Decades of satellite data have allowed for the first long-term study of the impact of offshore wind farms on downstream wind flow in coastal areas.