Gap analyses by variable, type of mission or WIGOS subcomponent Help icon

Select gap analysis type

Select analysis type

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In "Simplified" mode, the results in the analysis are calculated by looking at each instrument's mission objectives: for each instrument we keep track of what the primary, secondary, and opportunity mission objectives are. These mission objectives indicate that an instrument is primarily envisioned to measure variable X, Y and Z, that variables A, B and C are its secondary objective, and that it may offer the opportunity to measure variables I and II although it is not optimized for that. The simplified Gap analysis produces a timeline based on this information. The simplified Gap analysis is only available for analyzing variables, not for missions.
In "Expert system" mode, the results in the analysis are calculated with an expert system. Internally, OSCAR works with a large set of 1700 rules that determine whether or not an instrument is capable of measuring a given variable, and to what degree. When you select "Expert system", the Gap analysis is performed based on this large set of rules.

Select a Variable

Select a type of Mission

Select a WIGOS subcomponent

Variable sorting criteria

 

Each instrument is assigned with a 5-step rating, evaluated as a blend of several elements.  For this particular Variable, the rating is driven by:

  • the spatial resolution
  • the exploited technology (passive MW, radar scatterometer, SAR).

 

RATING CRITERIA:

1

  • High-spatial-resolution MW radiometer with frequencies ~19, ~37 and possibly ~90 GHz

2

  • MW radiometer with frequencies ~19, ~37 and possibly ~90 GHz

3

  • X- and Ku-band SAR, or X-band or C-band SAR

4

  • L- and S-band SAR, or L- or S-band SAR

5

  • Radar scatterometer in Ku- and C-band, or Ku- or C- band
Measurement timeline for Snow water equivalent Help icon
Hint: Move around in the timeline by scrolling up, down, left or right.

Found 186 results

This table has a large number of results.
Instrument NRT? Relevance Satellite ECT/Lon Orbit DLR
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
AMSR1 - primaryADEOS-210:30 descSunSync
X
X
AMSR-E Important noteNo1 - primaryAqua13:30 ascSunSync
X
XXXXXXXXXXXXX
X
AMSR2Yes1 - primaryGCOM-W13:30 ascSunSync118
X
XXXXXXXXXXXX
AMSR31 - primaryGOSAT-GW13:30 ascSunSyncXXXXXXXX
GMI (core)Yes1 - primaryGPM Core Observatory65 °DRIFT28
X
XXXXXXXXXXXXXXXX
TMI 1 - primaryTRMM35 °DRIFT
X
XXXXXXXXXXXXXXXXX
X
CIMR1 - primaryCIMR-A06:00 descSunSyncXXXXXXXX
CIMR1 - primaryCIMR-B06:00 descSunSyncXXXXXX
WindSat Important noteNo1 - primaryCoriolis06:10 descSunSync
X
XXXXXXXXXXXXXXXX
X
MADRAS Important note2 - very highMegha-Tropiques20 °DRIFT
X
X
X
MTVZA2 - very highMeteor-3M09:15 ascSunSync
X
XXXX
X
MTVZA-GY Important note2 - very highMeteor-M N109:30 descSunSync
X
XXXX
X
MTVZA-GY Important note2 - very highMeteor-M N209:30 ascSunSync
X
XX
X
MTVZA-GY2 - very highMeteor-M N2-115:09 ascSunSync
X
MTVZA-GY Important note2 - very highMeteor-M N2-215:15 ascSunSync
X
XXXXX
MTVZA-GY2 - very highMeteor-M N2-315:09 descSunSync
X
XXXXX
MTVZA-GY2 - very highMeteor-M N2-4SunSync
X
XXXXX
MTVZA-GY2 - very highMeteor-M N2-515:00 descSunSyncXXXXXX
MTVZA-GY2 - very highMeteor-M N2-609:00 ascSunSyncXXXXXX
MTVZA-GY-MP2 - very highMeteor-MP N115:30 ascSunSync
X
XXXXXXX
MTVZA-GY-MP2 - very highMeteor-MP N209:30 descSunSync
X
XXXXXXX
MTVZA-OK (MW)2 - very highSICH-1M82.5 °DRIFT
X
X
X
MWI (MetOp-SG)2 - very highMetop-SG-B109:30 descSunSyncXXXXXXXXX
MWI (MetOp-SG)2 - very highMetop-SG-B209:30 descSunSyncXXXXXXXXX
MWI (MetOp-SG)2 - very highMetop-SG-B309:30 descSunSyncXXXXXXXXX
MWI (WSF-M)2 - very highWSF-M1SunSync
X
XXXXXX
MWI (WSF-M)2 - very highWSF-M2SunSyncXXXXXXXX
MWRI-1 Important note2 - very highFY-3A09:05 descSunSync
X
MWRI-12 - very highFY-3B14:45 ascSunSync
X
XXXXXXXXX
X
MWRI-1 Important note2 - very highFY-3C08:20 descSunSync
X
XXXXXX
X
MWRI-1Yes2 - very highFY-3D13:40 ascSunSync158
X
XXXXXXX
MWRI-22 - very highFY-3F10:00 descSunSync
X
XXXXXXXXX
MWRI-22 - very highFY-3H14:00 ascSunSyncXXXXXXX
MWRI-RM2 - very highFY-3G50 °DRIFT
X
XXXXXX
MWRI-RM2 - very highFY-3I50 °DRIFTXXXXXXX
SSM/I2 - very highDMSP-F0806:10 descSunSync
X
XXXXXXXXXXXXXXXXXX
X
SSM/I2 - very highDMSP-F1007:30 descSunSync
X
XXXXXX
X
SSM/I2 - very highDMSP-F1105:00 descSunSync
X
XXXXXXXX
X
SSM/I2 - very highDMSP-F1203:35 descSunSync
X
XXXXXXXXXXXXX
X
SSM/I2 - very highDMSP-F1305:51 descSunSync
X
XXXXXXXXXXXXXXXXXXX
X
SSM/I Important noteNo2 - very highDMSP-F1405:00 descSunSync
X
XXXXXXXXXXXXXXXXXX
SSM/I Important noteNo2 - very highDMSP-F1514:50 ascSunSync
X
XXXXXXXXXXXXXXXXXXXX
X
SSMIS Important noteNo2 - very highDMSP-F16 Important note06:20 descSunSync
X
XXXXXXXXXXXXXXXXXXXX
SSMIS Important noteYes2 - very highDMSP-F1706:35 descSunSync123
X
XXXXXXXXXXXXXXXXXXX
SSMIS Important noteYes2 - very highDMSP-F1804:30 descSunSync123
X
XXXXXXXXXXXXXXXX
SSMISNo2 - very highDMSP-F1906:36 descSunSync
X
X
X
COWVR2 - very highISS COWVR51.6 °DRIFT
X
XXX
Delta-2D2 - very highOkean-O-182.5 °DRIFT
X
X
MWRI (HY-2)2 - very highHY-2A06:00 descSunSync
X
XXXXXXXX
X
MWRI (HY-2)2 - very highHY-2B06:00 descSunSync
X
XXXXXX
MWRI (HY-2)2 - very highHY-2E06:00 descSunSyncXXXXX
SHF2 - very highMeteor-P181.2 °DRIFT
X
X
X
SHF2 - very highMeteor-P281.2 °DRIFT
X
X
X
SHF2 - very highMeteor-P310:15 ascSunSync
X
X
X
SHF2 - very highMeteor-P610:15 ascSunSync
X
X
X
SMMR2 - very highNimbus-712:00 descSunSync
X
XXXXXXXXXXXXXXX
X
SMMR2 - very highSeaSat108 °DRIFT
X
ASAR (MP)3 - highMeteor-MP N115:30 ascSunSync
X
XXXXXXX
ASAR (MP)3 - highMeteor-MP N209:30 descSunSync
X
XXXXXXX
ASAR (MP)3 - highObzor-R N1TBDSunSyncXXXXXX
ASAR (MP)3 - highObzor-R N2TBDSunSyncXXXXXX
ASAR (MP)3 - highObzor-R N3TBDSunSyncXXXXXX
ASAR (MP)3 - highObzor-R N4TBDSunSyncXXXXXXXX
Capella SAR3 - highCapella10:30 descSunSync
X
XXXXXXXXXXXXXXXXXXXXXX
COSI3 - highKOMPSAT-506:00 ascSunSync90
X
XXXXXXXXXXX
COSI3 - highKOMPSAT-606:00 ascSunSyncXXXXXX
CSG-SAR3 - highCSG-105:46 ascSunSync
X
XXXXXXX
CSG-SAR3 - highCSG-205:46 ascSunSync
X
XXXXXXX
CSG-SAR3 - highCSG-3SunSyncXXXXXXXX
CSG-SAR3 - highCSG-4SunSyncXXXXXXXX
HRWS-SAR3 - highHRWS-SAR06:00 descSunSyncXXXXXXXX
ICEYE SAR3 - highICEYETBDSunSync
X
XXXXXXXXXXXXXXXXXXXXXX
MeteoSAR3 - highMeteor-M N2-4SunSync
X
XXXXX
MeteoSAR3 - highMeteor-M N2-515:00 descSunSyncXXXXXX
MeteoSAR3 - highMeteor-M N2-609:00 ascSunSyncXXXXXX
RLSBO3 - highOkean-O-182.5 °DRIFT
X
X
RLSBO3 - highOkean-O1-182.5 °DRIFT
X
X
X
RLSBO3 - highOkean-O1-282.5 °DRIFT
X
X
X
RLSBO3 - highOkean-O1-382.5 °DRIFT
X
X
X
RLSBO3 - highOkean-O1-482.5 °DRIFT
X
RLSBO3 - highOkean-O1-582.5 °DRIFT
X
X
X
RLSBO3 - highOkean-O1-682.5 °DRIFT
X
X
X
RLSBO3 - highOkean-O1-782.5 °DRIFT
X
X
X
RLSBO3 - highSICH-182.5 °DRIFT
X
XXXXX
X
RLSBO3 - highSICH-1M82.5 °DRIFT
X
X
X
SAR (Superview)3 - highSuperView Neo-2 0107:00 descSunSync
X
XXXXX
SAR (Superview)3 - highSuperView Neo-2 0207:00 descSunSync
X
XXXXX
SAR-2000No3 - highCSK-105:46 ascSunSync
X
XXXXXXXXXXXXXXXXX
SAR-2000No3 - highCSK-205:46 ascSunSync
X
XXXXXXXXXXXXXXXXX
SAR-2000No3 - highCSK-305:46 ascSunSync
X
XXXXXXXXXXXXXXXX
SAR-2000No3 - highCSK-405:46 ascSunSync
X
XXXXXXXXXXXXXX
SAR-X3 - highTanDEM-X06:00 descSunSync
X
XXXXXXXXXXXXXXXX
SAR-X3 - highTerraSAR-X06:00 descSunSync
X
XXXXXXXXXXXXXXXXX
SAR-X (Paz (SEOSAR))3 - highSEOSAR/Paz06:00 ascSunSync
X
XXXXXX
SAR-X (RISAT-2) Important note3 - highRISAT-241 °DRIFT
X
XXXXXXXXXXXX
X
SAR-X (RISAT-2) Important note3 - highRISAT-2B37 °DRIFT
X
XXXXX
SAR-X (RISAT-2) Important note3 - highRISAT-2BR137 °DRIFT
X
XXXXX
SAR-X (RISAT-2) Important note3 - highEOS-0137 °DRIFT
X
XXXXX
Severjanin-M Important note3 - highMeteor-M N109:30 descSunSync
X
XXX
Severjanin-M Important noteNo3 - highMeteor-M N209:30 ascSunSync
X
XXXXXXX
X
Severjanin-M3 - highMeteor-M N2-115:09 ascSunSync
X
Severjanin-M Important note3 - highMeteor-M N2-215:15 ascSunSync
X
XXXXX
Severjanin-M3 - highMeteor-M N2-315:09 descSunSync
X
XXXXX
UMBRA-SAR3 - highUMBRASunSync
X
XXXXXXXXXXXXXX
X-SAR3 - highStriX-α10:00 ascSunSync
X
XXXX
X-SAR3 - highStriX-β10:00 descSunSync
X
XXXXXXXXXX
X-SAR3 - highStriX-110:00 descSunSync
X
XXXXXXXX
X
X-SAR3 - highStriX-397.3 °SunSync
X
XXXXX
X-SAR (PIESAT)3 - highPIESAT-197.5 °SunSync
X
XXXXXXXXXX
XSAR3 - highASNARO-206:00 descSunSync
X
XXXXXX
AMI-SAR3 - highERS-110:30 descSunSync
X
XXXXXXXX
X
AMI-SAR3 - highERS-210:30 descSunSync
X
XXXXXXXXXXXXXXX
X
ASAR3 - highEnvisat10:00 descSunSync
X
XXXXXXXXX
X
SAR (RadarSat-1)3 - highRadarSat-106:00 descSunSync
X
XXXXXXXXXXXXXXXXX
X
SAR (RadarSat-1)No3 - highRadarSat-205:58 descSunSync
X
XXXXXXXXXXXXXXXXX
SAR RCM3 - highRCM-106:00 descSunSync
X
XXXXXXX
SAR RCM3 - highRCM-206:00 descSunSync
X
XXXXXXX
SAR RCM Important note3 - highRCM-306:01 descSunSync
X
XXXXXXX
SAR-C (GF-3)3 - highGF-306:00 descSunSync
X
XXXXXXXX
SAR-C (GF-3)3 - highGF-1206:00 descSunSync
X
XXXXXXXX
SAR-C (GF-3)3 - highGF-12-0206:00 descSunSync
X
XXXXXXXX
SAR-C (GF-3)3 - highCSAR-106:00 descSunSync
X
XXXXXXXX
SAR-C (GF-3)3 - highCSAR-206:00 descSunSync
X
XXXXXXXX
SAR-C (GF-3)3 - highGF-12-0306:00 descSunSync
X
XXXXX
X
SAR-C (GF-3)3 - highGF-12-0406:00 descSunSync
X
XXXXXX
SAR-C (RISAT)3 - highRISAT-106:00 descSunSync
X
XXXX
X
SAR-C (RISAT)3 - highEOS-0406:00 descSunSync
X
XXXXX
SAR-C (RISAT)3 - highRISAT-1B06:00 descSunSyncXXXXXX
SAR-C (Sentinel-1)No3 - highSentinel-1A06:00 descSunSync
X
XXXXXXXXXX
SAR-C (Sentinel-1) Important note3 - highSentinel-1B06:00 descSunSync
X
XXXXX
X
SAR-C (Sentinel-1)No3 - highSentinel-1C06:00 descSunSync
X
XXXXXXX
SAR-C (Sentinel-1)No3 - highSentinel-1D06:00 descSunSync
X
XXXXXXX
SAR-Travers4 - fairResurs-O1-110:15 ascSunSync
X
X
S-SAR4 - fairNovaSAR-S10:30 ascSunSync
X
XXXXXXX
SAR-10 Important note4 - fairKondor-E174.75 °DRIFT
X
XXXXX
SAR-104 - fairKondor-E74.75 °DRIFT
X
X
SAR-104 - fairKondor-FKA 197.4 °SunSync
X
XXXXX
SAR-S Important note4 - fairHJ-1C Important note06:00 descSunSync
X
XXXXXXXXXXX
SAR-S4 - fairHJ-2E07:00 descSunSync
X
XXXXXXXX
SAR-S4 - fairHJ-2F06:00 descSunSync
X
XXXXXXXX
SAR-S (NISAR) 4 - fairNI-SAR06:00 descSunSync
X
XX
L band SAR (Ludi-Tance)4 - fairLudi-Tance 1 01A97.8 °SunSync
X
XXXXXXXXXX
L band SAR (Ludi-Tance)4 - fairLudi-Tance 1 01B97.8 °SunSync
X
XXXXXXXXXX
L band SAR (Ludi-Tance)4 - fairLudi-Tance 4 01AGeoSync
X
XXXXXXXXXXXXXXXXX
L-SAR4 - fairTandem-L06:00 descSunSyncXXXXXXXXXXXXX
PALSAR4 - fairALOS10:30 descSunSync
X
XXXX
X
PALSAR-2No4 - fairALOS-212:00 descSunSync
X
XXXXXXXXXX
PALSAR-34 - fairALOS-412:00 descSunSyncXXXXXXX
ROSE-L4 - fairROSE-L A06:00 descSunSyncXXXXXX
ROSE-L4 - fairROSE-L B06:00 descSunSyncXXXXXX
SAR4 - fairSeaSat108 °DRIFT
X
SAR (JERS)4 - fairJERS10:45 descSunSync
X
XXXXX
X
SAR-L4 - fairSAOCOM-1A06:00 ascSunSync
X
XXXXXX
SAR-L4 - fairSAOCOM-1B06:00 ascSunSync
X
XXXXX
SAR-L4 - fairSAOCOM-2A06:00 ascSunSync
X
XXXXXXXXX
SAR-L4 - fairSAOCOM-2B06:00 ascSunSync
X
XXXXXXXXXX
SAR-L (NISAR)4 - fairNI-SAR06:00 descSunSync
X
XX
WindRAD5 - marginalFY-3E05:40 descSunSync
X
XXXXXXXX
WindRAD5 - marginalFY-3J05:00 descSunSync
X
XXXXXXXX
CSCAT Important note5 - marginalCFOSAT07:00 descSunSync
X
XXXX
CSCAT5 - marginalHY-2L07:00 descSunSyncXXXX
HSCAT5 - marginalHY-2A06:00 descSunSync
X
XXXXXXXX
X
HSCAT5 - marginalHY-2B06:00 descSunSync488
X
XXXXXX
HSCAT5 - marginalHY-2D66 °DRIFT
X
XXXXX
HSCAT5 - marginalHY-2E06:00 descSunSyncXXXXX
HSCAT5 - marginalHY-2C66 °DRIFT628
X
XXXXX
HSCAT5 - marginalHY-2F66 °DRIFTXXXXX
NSCAT5 - marginalADEOS10:30 descSunSync
X
X
OSCAT Important note5 - marginalOceanSat-211:53 descSunSync
X
XXXX
X
OSCATNo5 - marginalScatSat-108:45 descSunSync
X
XXXX
X
OSCAT-35 - marginalOceanSat-3 (EOS-06)12:00 descSunSync
X
XXXXX
OSCAT-35 - marginalOceanSat-3A12:00 descSunSyncXXXXXX
RapidScat5 - marginalISS RapidScat51.6 °DRIFT
X
X
X
SASS5 - marginalSeaSat108 °DRIFT
X
SCAT-MP5 - marginalMeteor-MP N115:30 ascSunSyncXXXXXXXX
SCAT-MP5 - marginalMeteor-MP N209:30 descSunSyncXXXXXXXX
SeaWinds5 - marginalADEOS-210:30 descSunSync
X
X
SeaWinds5 - marginalQuikSCAT06:00 ascSunSync
X
XXXXXXXXX
X
AMI-SCAT5 - marginalERS-110:30 descSunSync
X
XXXXXXXX
X
AMI-SCAT5 - marginalERS-210:30 descSunSync
X
XXXXXXXXXXXXXXX
X
ASCATNo5 - marginalMetop-A07:50 descSunSync
X
XXXXXXXXXXXXXX
X
ASCATYes5 - marginalMetop-B09:31 descSunSync63
X
XXXXXXXXXXXXXX
ASCATYes5 - marginalMetop-C09:31 descSunSync113
X
XXXXXXXXX
SCA (Scatterometer)5 - marginalMetop-SG-B109:30 descSunSyncXXXXXXXXX
SCA (Scatterometer)5 - marginalMetop-SG-B209:30 descSunSyncXXXXXXXXX
SCA (Scatterometer)5 - marginalMetop-SG-B309:30 descSunSyncXXXXXXXXX
All instruments for measuring Snow water equivalent
Instruments Relevance Operational limitations
AMSR1 - primary
AMSR-E1 - primary
AMSR21 - primary
AMSR31 - primary
GMI (core)1 - primary
TMI 1 - primary
CIMR1 - primary
WindSat1 - primary
GMI (constellation)2 - very high
MADRAS2 - very high
MTVZA2 - very high
MTVZA-GY2 - very high
MTVZA-GY-MP2 - very high
MTVZA-OK (MW)2 - very high
MWI (MetOp-SG)2 - very high
MWI (WSF-M)2 - very high
MWRI-12 - very high
MWRI-22 - very high
MWRI-RM2 - very high
SSM/I2 - very high
SSMIS2 - very high
COWVR2 - very high
Delta-2D2 - very high
MWRI (HY-2)2 - very high
SHF2 - very high
SMMR2 - very high
SAR-X/Ku3 - high
ASAR (MP)3 - high
Capella SAR3 - high
COSI3 - high
CSG-SAR3 - high
HRWS-SAR3 - high
ICEYE SAR3 - high
MeteoSAR3 - high
RLSBO3 - high
SAR (Superview)3 - high
SAR-20003 - high
SAR-X3 - high
SAR-X (Paz (SEOSAR))3 - high
SAR-X (RISAT-2)3 - high
Severjanin-M3 - high
UMBRA-SAR3 - high
X-SAR3 - high
X-SAR (PIESAT)3 - high
XSAR3 - high
AMI-SAR3 - high
ASAR3 - high
SAR (RadarSat-1)3 - high
SAR RCM3 - high
SAR-C (GF-3)3 - high
SAR-C (RISAT)3 - high
SAR-C (Sentinel-1)3 - high
SAR-Travers4 - fair
S-SAR4 - fair
SAR-104 - fair
SAR-S4 - fair
SAR-S (NISAR) 4 - fair
InSAR4 - fair
L band SAR (Ludi-Tance)4 - fair
L-SAR4 - fair
PALSAR4 - fair
PALSAR-24 - fair
PALSAR-34 - fair
ROSE-L4 - fair
SAR4 - fair
SAR (JERS)4 - fair
SAR-L4 - fair
SAR-L (NISAR)4 - fair
WindRAD5 - marginal
CSCAT5 - marginal
HSCAT5 - marginal
NSCAT5 - marginal
OSCAT5 - marginal
OSCAT-35 - marginal
RapidScat5 - marginal
SASS5 - marginal
SCAT-MP5 - marginal
SeaWinds5 - marginal
AMI-SCAT5 - marginal
ASCAT5 - marginal
SCA (Scatterometer)5 - marginal