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 such as the uncertainty, the vertical resolution, and the frequency and spatial resolution of the retrieved measurement in comparison with the space-time variability of the geophysical parameter.  For this particular Variable, the rating is driven by:

  • the observing technique (active or passive);
  • the utilised MW frequencies.

 

RATING CRITERIA:

1

  • Radar scatterometer

2

  • MW radiometer with 4 frequencies: 37, 19, 10 and 7 GHz

3

  • MW radiometer with 3 frequencies: 37, 19; and 10 and/or 7 GHz

4

  • MW radiometer with 3 frequencies: 19, 10 and 7 GHz; or 2 frequencies: 37 and 19 GHz
  • Cluster of GNSS-R receivers
  • Large-swath radar altimeter

5

  • MW radiometer at 37 GHz
  • Radar altimeter (only nadir)
  • Single satellite GNSS-R receiver
Measurement timeline for Wind speed (near surface) Help icon
Hint: Move around in the timeline by scrolling up, down, left or right.

Found 138 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
WindRAD1 - primaryFY-3E05:40 descSunSync
X
XXXXXXXX
WindRAD1 - primaryFY-3J05:00 descSunSync
X
XXXXXXXX
AMI-SCAT1 - primaryERS-110:30 descSunSync
X
XXXXXXXX
X
AMI-SCAT1 - primaryERS-210:30 descSunSync
X
XXXXXXXXXXXXXXX
X
ASCATNo1 - primaryMetop-A07:50 descSunSync
X
XXXXXXXXXXXXXX
X
ASCATYes1 - primaryMetop-B09:31 descSunSync63
X
XXXXXXXXXXXXXX
ASCATYes1 - primaryMetop-C09:31 descSunSync113
X
XXXXXXXXX
SCA (Scatterometer)1 - primaryMetop-SG-B109:30 descSunSyncXXXXXXXXX
SCA (Scatterometer)1 - primaryMetop-SG-B209:30 descSunSyncXXXXXXXXX
SCA (Scatterometer)1 - primaryMetop-SG-B309:30 descSunSyncXXXXXXXXX
CSCAT Important note1 - primaryCFOSAT07:00 descSunSync
X
XXXX
CSCAT1 - primaryHY-2L07:00 descSunSyncXXXX
HSCAT1 - primaryHY-2A06:00 descSunSync
X
XXXXXXXX
X
HSCAT1 - primaryHY-2B06:00 descSunSync488
X
XXXXXX
HSCAT1 - primaryHY-2D66 °DRIFT
X
XXXXX
HSCAT1 - primaryHY-2E06:00 descSunSyncXXXXX
HSCAT1 - primaryHY-2C66 °DRIFT628
X
XXXXX
HSCAT1 - primaryHY-2F66 °DRIFTXXXXX
NSCAT1 - primaryADEOS10:30 descSunSync
X
X
OSCAT Important note1 - primaryOceanSat-211:53 descSunSync
X
XXXX
X
OSCATNo1 - primaryScatSat-108:45 descSunSync
X
XXXX
X
OSCAT-31 - primaryOceanSat-3 (EOS-06)12:00 descSunSync
X
XXXXX
OSCAT-31 - primaryOceanSat-3A12:00 descSunSyncXXXXXX
RapidScat1 - primaryISS RapidScat51.6 °DRIFT
X
X
X
SASS1 - primarySeaSat108 °DRIFT
X
SCAT-MP1 - primaryMeteor-MP N115:30 ascSunSyncXXXXXXXX
SCAT-MP1 - primaryMeteor-MP N209:30 descSunSyncXXXXXXXX
SeaWinds1 - primaryADEOS-210:30 descSunSync
X
X
SeaWinds1 - primaryQuikSCAT06:00 ascSunSync
X
XXXXXXXXX
X
AMSR2 - very highADEOS-210:30 descSunSync
X
X
AMSR-E Important noteNo2 - very highAqua13:30 ascSunSync
X
XXXXXXXXXXXXX
X
AMSR2Yes2 - very highGCOM-W13:30 ascSunSync118
X
XXXXXXXXXXXX
AMSR32 - very highGOSAT-GW13:30 ascSunSyncXXXXXXXX
CIMR2 - very highCIMR-A06:00 descSunSyncXXXXXXXX
CIMR2 - very highCIMR-B06:00 descSunSyncXXXXXX
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
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
SMMR2 - very highNimbus-712:00 descSunSync
X
XXXXXXXXXXXXXXX
X
SMMR2 - very highSeaSat108 °DRIFT
X
WindSat Important noteNo2 - very highCoriolis06:10 descSunSync
X
XXXXXXXXXXXXXXXX
X
Delta-2D3 - highOkean-O-182.5 °DRIFT
X
X
SHF3 - highMeteor-P181.2 °DRIFT
X
X
X
SHF3 - highMeteor-P281.2 °DRIFT
X
X
X
SHF3 - highMeteor-P310:15 ascSunSync
X
X
X
SHF3 - highMeteor-P610:15 ascSunSync
X
X
X
GMI (core)Yes3 - highGPM Core Observatory65 °DRIFT28
X
XXXXXXXXXXXXXXXX
MTVZA-GY Important note3 - highMeteor-M N109:30 descSunSync
X
XXXX
X
MTVZA-GY Important note3 - highMeteor-M N209:30 ascSunSync
X
XX
X
MTVZA-GY3 - highMeteor-M N2-115:09 ascSunSync
X
MTVZA-GY Important note3 - highMeteor-M N2-215:15 ascSunSync
X
XXXXX
MTVZA-GY3 - highMeteor-M N2-315:09 descSunSync
X
XXXXX
MTVZA-GY3 - highMeteor-M N2-4SunSync
X
XXXXX
MTVZA-GY3 - highMeteor-M N2-515:00 descSunSyncXXXXXX
MTVZA-GY3 - highMeteor-M N2-609:00 ascSunSyncXXXXXX
MWI (WSF-M)3 - highWSF-M1SunSync
X
XXXXXX
MWI (WSF-M)3 - highWSF-M2SunSyncXXXXXXXX
MWRI-1 Important note3 - highFY-3A09:05 descSunSync
X
MWRI-13 - highFY-3B14:45 ascSunSync
X
XXXXXXXXX
X
MWRI-1 Important note3 - highFY-3C08:20 descSunSync
X
XXXXXX
X
MWRI-1Yes3 - highFY-3D13:40 ascSunSync158
X
XXXXXXX
MWRI-23 - highFY-3F10:00 descSunSync
X
XXXXXXXXX
MWRI-23 - highFY-3H14:00 ascSunSyncXXXXXXX
TMI 3 - highTRMM35 °DRIFT
X
XXXXXXXXXXXXXXXXX
X
COWVR3 - highISS COWVR51.6 °DRIFT
X
XXX
MSMR4 - fairOceanSat-1 (IRS-P4)12:00 descSunSync
X
XXXXXXXXXX
X
MADRAS Important note4 - fairMegha-Tropiques20 °DRIFT
X
X
X
MTVZA4 - fairMeteor-3M09:15 ascSunSync
X
XXXX
X
MWI (MetOp-SG)4 - fairMetop-SG-B109:30 descSunSyncXXXXXXXXX
MWI (MetOp-SG)4 - fairMetop-SG-B209:30 descSunSyncXXXXXXXXX
MWI (MetOp-SG)4 - fairMetop-SG-B309:30 descSunSyncXXXXXXXXX
MWRI-RM4 - fairFY-3G50 °DRIFT
X
XXXXXX
MWRI-RM4 - fairFY-3I50 °DRIFTXXXXXXX
SSM/I4 - fairDMSP-F0806:10 descSunSync
X
XXXXXXXXXXXXXXXXXX
X
SSM/I4 - fairDMSP-F1007:30 descSunSync
X
XXXXXX
X
SSM/I4 - fairDMSP-F1105:00 descSunSync
X
XXXXXXXX
X
SSM/I4 - fairDMSP-F1203:35 descSunSync
X
XXXXXXXXXXXXX
X
SSM/I4 - fairDMSP-F1305:51 descSunSync
X
XXXXXXXXXXXXXXXXXXX
X
SSM/I Important noteNo4 - fairDMSP-F1405:00 descSunSync
X
XXXXXXXXXXXXXXXXXX
SSM/I Important noteNo4 - fairDMSP-F1514:50 ascSunSync
X
XXXXXXXXXXXXXXXXXXXX
X
SSMIS Important noteNo4 - fairDMSP-F16 Important note06:20 descSunSync
X
XXXXXXXXXXXXXXXXXXXX
SSMIS Important noteYes4 - fairDMSP-F1706:35 descSunSync123
X
XXXXXXXXXXXXXXXXXXX
SSMIS Important noteYes4 - fairDMSP-F1804:30 descSunSync123
X
XXXXXXXXXXXXXXXX
SSMISNo4 - fairDMSP-F1906:36 descSunSync
X
X
X
DDMI4 - fairCYGNSS (8 sats)35 °DRIFT
X
XXXXXXXXXX
GNSS-R4 - fairHydroGNSS-110:30 SunSync
X
XXXXX
GNSS-R4 - fairHydroGNSS-210:30 SunSync
X
XXXXX
IRIS (CRISTAL)4 - fairCRISTAL-A92 °DRIFT
X
XXXXXX
IRIS (CRISTAL)4 - fairCRISTAL-B92 °DRIFTXXXXXX
KaRIN4 - fairSWOT78 °DRIFT
X
XXXX
SHIOSAI4 - fairCOMPIRA51 °DRIFTXXXX
SWIM4 - fairCFOSAT07:00 descSunSync
X
XXXXXX
SWIM4 - fairHY-2L07:00 descSunSyncXXXX
ESMR (Nimbus-6)5 - marginalNimbus-612:00 descSunSync
X
XXXXXXX
X
MIVZA5 - marginalMeteor-3M09:15 ascSunSync
X
XXXX
X
ALT (high)5 - marginalHY-2C66 °DRIFT
X
XXXXX
ALT (high)5 - marginalHY-2F66 °DRIFTXXXXX
ALT (high)5 - marginalHY-2D66 °DRIFT
X
XXXXX
ALT (SeaSat)5 - marginalSeaSat108 °DRIFT
X
ALT (sso) Important note5 - marginalHY-2A06:00 descSunSync
X
XXXXXXXXXXX
ALT (sso)5 - marginalHY-2B06:00 descSunSync
X
XXXXXX
ALT (sso)5 - marginalHY-2E06:00 descSunSyncXXXXX
AltiKa5 - marginalSARAL05:56 ascSunSync143
X
XXXXXXXXXXX
Altimeter (COMPIRA)5 - marginalCOMPIRA51 °DRIFTXXXX
CION-25 - marginalCICERO-2SunSync
X
XXXXXXXXXXXXX
GFO-RA5 - marginalGFO108 °DRIFT
X
XXXXXXXXX
X
GNOS-25 - marginalFY-3E05:40 descSunSync
X
XXXXXXXX
GNOS-25 - marginalFY-3H14:00 ascSunSyncXXXXXXX
GNOS-25 - marginalFY-3F10:00 descSunSync
X
XXXXXXXXX
GNOS-25 - marginalFY-3J05:00 descSunSync
X
XXXXXXXX
GNOS-25 - marginalFY-3G50 °DRIFT
X
XXXXXX
GNOS-25 - marginalFY-3I50 °DRIFTXXXXXXX
GRA5 - marginalGEOSat108 °DRIFT
X
XXXX
X
NRA5 - marginalTOPEX-Poseidon66 °DRIFT
X
XXXXXXXXXXXX
X
Poseidon-25 - marginalJASON-166 °DRIFT
X
XXXXXXXXXXX
X
Poseidon-35 - marginalJASON-266 °DRIFT
X
XXXXXXXXXX
X
Poseidon-3BYes5 - marginalJASON-366 °DRIFT143
X
XXXXXXXXXXX
Poseidon-3C5 - marginalSWOT78 °DRIFT
X
XXXX
Poseidon-45 - marginalSentinel-6A66 °DRIFT
X
XXXXXXX
Poseidon-45 - marginalSentinel-6B66 °DRIFTXXXXXXXX
Poseidon-45 - marginalSentinel-6C66 °DRIFTXXXXXXX
RA5 - marginalERS-110:30 descSunSync
X
XXXXXXXX
X
RA5 - marginalERS-210:30 descSunSync
X
XXXXXXXXXXXXXXX
X
RA-25 - marginalEnvisat10:00 descSunSync
X
XXXXXXXXX
X
SIRAL5 - marginalCryoSat92 °SunSync
X
SIRALNo5 - marginalCryoSat-292 °DRIFT
X
XXXXXXXXXXXXXXXXXX
SRALYes5 - marginalSentinel-3A10:00 descSunSync148
X
XXXXXXXXXX
SRALYes5 - marginalSentinel-3B10:00 descSunSync143
X
XXXXXXXXXX
SRAL5 - marginalSentinel-3C10:00 descSunSyncXXXXXXXXXX
SRAL5 - marginalSentinel-3D10:00 descSunSyncXXXXXXXXXX
SSALT5 - marginalTOPEX-Poseidon66 °DRIFT
X
XXXXXXXXXXXX
X
Tianmu-Receiver5 - marginalTianmu-1SunSync
X
XXXXXXXXXXXXXXXXX
YunYao-receiver5 - marginalYunYao-1SunSync
X
XXXXXX
GNSS-R (PRETTY)5 - marginalPRETTY11:00 descSunSync
X
X
GPSR5 - marginalTRITON 10:00 descSunSync
X
XXXXXX
All instruments for measuring Wind speed (near surface)
Instruments Relevance Operational limitations
WindRAD1 - primary
AMI-SCAT1 - primary
ASCAT1 - primary
SCA (Scatterometer)1 - primary
CSCAT1 - primary
HSCAT1 - primary
NSCAT1 - primary
OSCAT1 - primary
OSCAT-31 - primary
RapidScat1 - primary
SASS1 - primary
SCAT-MP1 - primary
SeaWinds1 - primary
AMSR2 - very high
AMSR-E2 - very high
AMSR22 - very high
AMSR32 - very high
CIMR2 - very high
MTVZA-GY-MP2 - very high
MTVZA-OK (MW)2 - very high
MWRI (HY-2)2 - very high
SMMR2 - very high
WindSat2 - very high
Delta-2D3 - high
SHF3 - high
GMI (constellation)3 - high
GMI (core)3 - high
MTVZA-GY3 - high
MWI (WSF-M)3 - high
MWRI-13 - high
MWRI-23 - high
TMI 3 - high
COWVR3 - high
MSMR4 - fair
MADRAS4 - fair
MTVZA4 - fair
MWI (MetOp-SG)4 - fair
MWRI-RM4 - fair
SSM/I4 - fair
SSMIS4 - fair
DDMI4 - fair
GNSS-R4 - fair
IRIS (CRISTAL)4 - fair
KaRIN4 - fair
SHIOSAI4 - fair
SWIM4 - fair
ESMR (Nimbus-6)5 - marginal
MIVZA5 - marginal
ALT (high)5 - marginal
ALT (SeaSat)5 - marginal
ALT (sso)5 - marginal
AltiKa5 - marginal
Altimeter (COMPIRA)5 - marginal
CION-25 - marginal
GFO-RA5 - marginal
GNOS-25 - marginal
GRA5 - marginal
NRA5 - marginal
Poseidon-25 - marginal
Poseidon-35 - marginal
Poseidon-3B5 - marginal
Poseidon-3C5 - marginal
Poseidon-45 - marginal
RA5 - marginal
RA-25 - marginal
SIRAL5 - marginal
SRAL5 - marginal
SSALT5 - marginal
Tianmu-Receiver5 - marginal
YunYao-receiver5 - marginal
GNSS-R (PRETTY)5 - marginal
GPSR5 - marginal