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Sentinel 1 EO Products

Sentinel Hub currently supports Sentinel-1 GRD (Ground Range Detected) products only.

We have Sentinel-1 services running on both EOCloud and Amazon AWS, each accessible through their associated URLs and configurators. Currently the capabilities of each service differ. What is available for each service is below.

AWS:

Data availability:

  • Global archive from January 1, 2017.

Beam modes supported:

  • IW (Interferometic Wide Swath)
  • EW (Extra Wide Swath)

Polarizations:

  • VV + VH
  • HH + HV
  • VV
  • HH

We support products sensed with one of the polarization combinations listed above. Note that some beam mode/polarization combinations will have no data. IW is typically sensed using VV+VH, for example.

Sensing Resolution:

  • Medium
  • High

Similarly to polarization, not all beam mode/polarization combinations will have data at the chosen resolution. IW is typically sensed in High resolution, EW in Medium.

Orbit Direction:

  • Ascending
  • Descending
  • Both

Backscatter Coefficient:

  • Gamma0

The currently supported backscatter coefficients are gamma0 only. Sigma0 will be supported in the relatively near future. Gamma0 and sigma0 use an ellipsoid earth model.

Geolocation:

  • Non-orthorectified

All products are projected to ground range (non-orthorectifed) only. Orthorectified products are currently not supported, but this will be added in the near future.

Zooming out will use multi-looked sources at an appropriate resolution to your viewing level. You can therefore expect high quality results at all zoom levels.

EOCloud:

Data availability:

  • Complete archive, up-to-date.

Beam modes supported:

  • IW (Interferometic Wide Swath)
  • EW (Extra Wide Swath)

Polarizations:

  • IW: VV+VH
  • EW: HH+HV or HH

Sensing Resolution:

  • IW: High (10m/px)
  • EW: Medium (40m/px)

Backscatter Coefficient:

  • Gamma0

The currently supported backscatter coefficients are gamma0 only. Sigma0 will be supported in the relatively near future. Gamma0 and sigma0 use an ellipsoid earth model.

Geolocation:

  • Orthorectified
  • Non-orthorectified

All products are optionally orthorectified (by default) or projected to ground range (non-orthorectifed).

Zooming out will NOT use multi-looked sources. Zooming out is therefore more of a convenience preview as the images will be excessively noisy. If this is an issue consider using the AWS service instead.

Common Notes:

Noise:
All products on both services have thermal noise reduction applied.

Custom Scripts:
For inputs, use the polarization band name (one of 'VV', 'VH, 'HV', 'HH'). These are the values in your chosen backscatter coefficient and linear. For decibel outputs, for example, a conversion is necessary within your custom script. We offer decibel visualizations in the configurator product templates for your convenience.

EO Browser:
Connects to the EO Cloud service by default, but can connect to the AWS service in advanced search.

Observation Scenario:
For more information about the Sentinel-1 observation scenario and guidelines about which beam modes and polarizations are sensed where, see https://sentinel.esa.int/web/sentinel/missions/sentinel-1/observation-scenario.

 

The Sentinel products are released under the license available here.