BackForwardInstrument:  Severjanin-M 

Instrument details
Acronym Severjanin-M
Full name X-band Synthetic Aperture Radar
Purpose High-resolution all-weather land observation
Short description X-band, frequency 9.623 GHz
Background New development
Scanning Technique Side-looking 25-48°, swath 600 km
Resolution Two modes: 400-500 m or 700-1000 m (variable from 1 to 500 m on Meteor-M N3
Coverage / Cycle Global coverage in 1 month (duty cycle 10-20 %)
Mass 150 kg Power 1000 W Data Rate 10 Mbps

 

Providing Agency RosHydroMet
Instrument Maturity Flown on operational programme
Utilization Period: 2010-04-15 to ≥2020
Last update: 2016-07-01
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Active and radio-occultation sensor
  • Imaging radar (SAR)
Mission objectives
Primary mission objectives
  • Fraction of vegetated land
  • Glacier motion
  • Glacier topography
  • Land cover
  • Land surface topography
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Tentative Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
VariableRelevance for measuring this variableOperational limitationsExplanation
Fire fractional cover3 - highInfrequent coverage.X-band SAR. High resolution, for fire boundary detection
Fraction of vegetated land3 - highNo specific limitation.X-band SAR
Glacier cover2 - very highLong time for mapping.X-band SAR for accurate boundary detection
Glacier motion5 - marginalInfrequent coverage.X-band SAR for interferometry between images taken at time intervals
Glacier topography3 - highLong time for mapping.X-band SAR for interferometry between images taken at time intervals
Ice sheet topography3 - highLong time for mapping.X-band SAR for interferometry between images taken at time intervals
Land cover3 - highNo specific limitation.X-band SAR
Land surface topography3 - highLong time for mapping.X-band SAR for interferometry between images taken at time intervals
Oil spill cover1 - primaryInfrequent coverage.X-band SAR
Sea-ice cover1 - primaryNo specific limitation.X-band SAR
Sea-ice elevation4 - fairNo specific limitation.X-band SAR. Sea ice elevation measured by interferometry
Sea-ice thickness4 - fairChange detection only.X-band SAR. Sea ice elevation measured by interferometry. Thickness inferred by ice model
Sea-ice type2 - very highNo specific limitation.X-band SAR. Type interpreted as age/roughness
Snow cover3 - highThick snow only.. Infrequent coverage.X-band SAR
Snow status (wet/dry)4 - fairThick snow only.. Infrequent coverage.X-band SAR
Snow water equivalent3 - highChange detection only.. Infrequent coverage.X-band SAR. SWE is retrieved by grigging with data from ground networks
Soil moisture at surface3 - highStrongly affected by vegetation.. Infrequent coverage.X-band SAR
Soil type3 - highNo specific limitation.X-band SAR
Vegetation type5 - marginalNo specific limitation.X-band SAR