Gap analyses by variable or by type of mission or by WIGOS subcomponent

Please select either a variable or a type of mission to display a time chart of satellite instruments having the potential to provide the corresponding measurements. The selection is based on design characteristics (Expert analysis) or declared mission objectives (Simplified analysis). Such a preliminary analysis does not replace a detailed assessment of the actual instrument performances, data availability, and quality of derived environmental data records against specific user requirements.

Note: The chart can be sorted by clicking on the header columns and filtered by instrument properties when applicable. Select the period of interest with the cursor at the bottom of the chart. Future missions which are not firmly planned are shaded with stripes. A warning icon (Important note) indicates degraded satellite: hover over the icon for details. The chart is followed by a table of all potentially relevant instruments.

Select a variable

or select a type of mission

Select WIGOS subcomponents

Analysis
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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.

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 spectral intervals and the channel bandwidth;
  • the multi-viewing and multi-polarisation capability:
  • the observing technique (radiometry or lidar).

 

RATING CRITERIA:

1

  • Multi-channel multi-viewing multi-polarisation SW radiometer
  • Multi-channel multi-viewing SW radiometer

2

  • Backscatter lidar
  • SW spectrometer

3

  • Multi-channel SW radiometer including 760 nm

4

  • Hyperspectral narrow-swath SW radiometer

5

  • Multi-channel SW radiometer missing 760 nm
Measurement timeline for Aerosol effective radius

Definition: 3D field of mean aerosol particle size, defined as the ratio of the third and second moments of the number size distribution of aerosol particles. Requested in the troposphere (assumed height: 12 km) and as columnar average.

Hint: Move around in the timeline by scrolling up, down, left or right.

Found 132 results

This table has a large number of results.
Hide inactive instruments
Instrument NRT? Relevance Satellite Orbit
1968
1969
1970
1971
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
3MI1 - primaryMetop-SG-A209:30 descXXXXXXXX
3MI1 - primaryMetop-SG-A309:30 descXXXXXXXX
3MI1 - primaryMetop-SG-A109:30 descXXXXXXXX
Polarimeters1 - primaryPACE12:00 descXXXX
POLDER1 - primaryADEOS10:30 desc
X
X
POLDER1 - primaryADEOS-210:30 desc
X
X
POLDER1 - primaryPARASOL15:20 asc
X
XXXXXXXX
X
CATS Important note2 - very highISS CATS51.6 °
X
X
X
CALIOP Important noteNo2 - very highCALIPSO13:30 asc
X
XXXXXXXXXXXXXXX
ATLID2 - very highEarthCARE14:00 descXXXX
ACS-nadir2 - very highMeteor-MP N115:30 asc
X
XXXXXXX
ACS-nadir2 - very highMeteor-MP N209:30 desc
X
XXXXXXX
SCIAMACHY-nadir2 - very highEnvisat10:00 desc
X
XXXXXXXXX
X
Sentinel-52 - very highMetop-SG-A209:30 descXXXXXXXX
Sentinel-52 - very highMetop-SG-A309:30 descXXXXXXXX
Sentinel-52 - very highMetop-SG-A109:30 descXXXXXXXX
TROPOMI Important note2 - very highSentinel-5P13:30 asc
X
XXXXXXX
GOME2 - very highERS-210:30 desc
X
XXXXXXXXXXXXXXX
X
GOME-2Yes2 - very highMetop-A07:50 desc
X
XXXXXXXXXXXXXX
X
GOME-2Yes2 - very highMetop-B09:30 desc
X
XXXXXXXXXXXX
GOME-2Yes2 - very highMetop-C09:30 desc
X
XXXXXXXXX
Sentinel-42 - very highMTG-S1XXXXXXXXX
Sentinel-42 - very highMTG-S2XXXXXXXXX
EMI2 - very highGF-513:30 asc
X
XXXXXXXX
EMI2 - very highGF-5-0213:30 asc
X
XXXXXXX
GEMS2 - very highGEO-KOMPSAT-2B128.2°E
X
XXXXXXXXXXX
OMI 2 - very highAura13:45 asc
X
XXXXXXXXXXXXXXXXXXX
OMS-nadir2 - very highFY-3F10:00 desc
X
XXXXX
TEMPO2 - very highTEMPO100°W
X
XXX
OMPS-nadirYes2 - very highNOAA-2013:25 asc
X
XXXXXXX
OMPS-nadir2 - very highJPSS-213:30 ascXXXXXXXX
OMPS-nadirYes2 - very highSNPP13:25 asc
X
XXXXXXXXXXX
OMPS-nadir2 - very highJPSS-313:30 ascXXXXXXXX
OMPS-nadir2 - very highJPSS-413:30 ascXXXXXXXX
Ozonometer-32 - very highZondTBDXXXX
Ozonometer-TM2 - very highIonosphere N1 & N2TBDXXXX
Ozonometer-TM2 - very highIonosphere N3 & N4TBDXXXX
TOMS2 - very highADEOS10:30 desc
X
X
TOMS2 - very highMeteor-3-582.5 °
X
X
X
TOMS2 - very highNimbus-712:00 desc
X
XXXXXXXXXXXXXXX
X
TOMS2 - very highTOMS Earth Probe12:00 desc
X
XXXXXXXXX
X
TOU2 - very highFY-3A09:05 desc
X
XXXXXX
X
TOU Important note2 - very highFY-3B14:45 asc
X
XXXXXXXXXXX
TOU Important noteYes2 - very highFY-3C09:07 desc
X
XXXXXXXX
BUV2 - very highNimbus-412:00 desc
X
XXXXXXXXX
X
HySICS2 - very highISS CLARREO-PF51.6 °
X
X
SBUS Important note2 - very highFY-3A09:05 desc
X
SBUS2 - very highFY-3B14:45 asc
X
XXXXXXXXX
X
SBUS Important note2 - very highFY-3C09:07 desc
X
XXXXXX
X
SBUV2 - very highNimbus-712:00 desc
X
XXXXXXXXXXXXXXX
X
SBUV/22 - very highNOAA-914:30 asc
X
XXXXXXXXXXXXX
X
SBUV/22 - very highNOAA-1007:30 desc
X
XXXXXXXXXXXXXX
X
SBUV/22 - very highNOAA-1114:10 asc
X
XXXXXXXXXXXXXXX
X
SBUV/22 - very highNOAA-1314:00 asc
X
SBUV/22 - very highNOAA-1409:30 desc
X
XXXXXXXXXXXX
X
SBUV/22 - very highNOAA-1609:01 desc
X
XXXXXXXXXXXXX
X
SBUV/22 - very highNOAA-1707:03 desc
X
XXXXXXXXXX
X
SBUV/2 Important note2 - very highNOAA-1807:53 desc
X
XXXXXX
X
SBUV/2 Important noteYes2 - very highNOAA-1907:00 desc
X
XXXXXXXXXXXX
TANSO-FTSNo2 - very highGOSAT13:00 desc
X
XXXXXXXXXXXX
TANSO-FTS/22 - very highGOSAT-213:00 desc
X
XXXXX
GLI3 - highADEOS-210:30 desc
X
X
OCI3 - highPACE12:00 descXXXX
GOCI-II3 - highGEO-KOMPSAT-2B128.2°E
X
XXXXXXXXXXX
MUS-uv/vis/nir3 - highSAC-E/SABIA-MAR B10:30 descXXXXXX
MERSI-13 - highFY-3A09:05 desc
X
XXXXXX
X
MERSI-1 Important note3 - highFY-3B14:45 asc
X
XXXXXXXXXXX
MERSI-1 Important note3 - highFY-3C09:07 desc
X
X
X
MERSI-2Yes3 - highFY-3D13:29 asc
X
XXXXX
MERSI-33 - highFY-3F10:00 desc
X
XXXXX
MERSI-33 - highFY-3H14:00 asc
X
XXXXX
METimage3 - highMetop-SG-A209:30 descXXXXXXXX
METimage3 - highMetop-SG-A309:30 descXXXXXXXX
METimage3 - highMetop-SG-A109:30 descXXXXXXXX
MODISYes3 - highAqua13:30 asc
X
XXXXXXXXXXXXXXXXXXXXX
MODISYes3 - highTerra10:30 desc
X
XXXXXXXXXXXXXXXXXXXXXXXX
MOS3 - highIRS-P310:30 desc
X
XXXXXXX
X
MSU-MR-MP3 - highMeteor-MP N115:30 asc
X
XXXXXXX
MSU-MR-MP3 - highMeteor-MP N209:30 desc
X
XXXXXXX
SGLI3 - highGCOM-C10:30 asc
X
XXXXX
VIIRSYes3 - highNOAA-2013:25 asc
X
XXXXXXX
VIIRS3 - highJPSS-213:30 ascXXXXXXXX
VIIRSYes3 - highSNPP13:25 asc
X
XXXXXXXXXXX
VIIRS3 - highJPSS-313:30 ascXXXXXXXX
VIIRS3 - highJPSS-413:30 ascXXXXXXXX
COCTS3 - highHY-1A10:30 desc
X
X
X
COCTS3 - highHY-1B10:30 desc
X
XXXXXXXX
X
COCTS3 - highHY-1C10:30 desc
X
XXXXXX
COCTS3 - highHY-1D13:30 asc
X
XXXXXX
COCTS3 - highHY-1E13:30 asc
X
XXXXXX
COCTS3 - highHY-1F13:30 asc
X
XXXXXX
CZCS3 - highNimbus-712:00 desc
X
XXXXXXXXXXXXXXX
X
DPC3 - highGF-513:30 asc
X
XXXXXXXX
DPC3 - highGF-5-0213:30 asc
X
XXXXXXX
EPIC (DSCOVR)Yes3 - highDSCOVRN/A
X
XXXXXXXX
GOCI3 - highCOMS128.2°E
X
XXXXXXXXXX
X
MERIS3 - highEnvisat10:00 desc
X
XXXXXXXXX
X
OCM (OceanSat-1)3 - highOceanSat-1 (IRS-P4)12:00 desc
X
XXXXXXXXXX
X
OCM (OceanSat-2)No3 - highOceanSat-211:53 desc
X
XXXXXXXXXXXX
OCM (OceanSat-3)3 - highOceanSat-312:00 desc
X
XXXXXXX
OCTS3 - highADEOS10:30 desc
X
X
OLCI Yes3 - highSentinel-3A10:00 desc
X
XXXXXXX
OLCI Yes3 - highSentinel-3B10:00 desc
X
XXXXXXX
OLCI 3 - highSentinel-3C10:00 descXXXXXXXX
OLCI 3 - highSentinel-3D10:00 descXXXXXXXX
OSMI3 - highKOMPSAT-110:50 asc
X
XXXXXXXX
X
SeaWiFS3 - highOrbView-2/SeaStar12:00 desc
X
XXXXXXXXXXXX
X
Trasser3 - highOkean-O-182.5 °
X
X
Trasser3 - highOkean-O1-382.5 °
X
X
X
HISUI4 - fairISS HISUI51.6 °
X
XXX
HSI (EnMAP)4 - fairEnMAP11:00 descXXXXXX
HYC4 - fairPRISMA10:30 desc
X
XXXXX
HyperionNo4 - fairNMP-EO-109:45 desc
X
XXXXXXXXXXXXXXXX
X
HySIS4 - fairHySIS10:34 desc
X
XXXXX
CHRIS4 - fairPROBA-107:30 desc
X
XXXXXXXXXXXXXXXXXXXX
COMIS4 - fairSTSat-317:30 asc
X
XXXXXXXX
DESIS4 - fairISS DESIS51.6 °
X
XXXXX
GSA4 - fairResurs-P1 Important note10:30 desc
X
XXXXXXXX
GSA4 - fairResurs-P2 Important note10:30 desc
X
XXXXXXX
GSA4 - fairResurs-P310:30 desc
X
XXXXX
GSA4 - fairResurs-P410:30 descXXXXXX
GSA4 - fairResurs-P510:30 descXXXXXX
HICO4 - fairISS HICO51.6 °
X
XXXX
X
HSI4 - fairHJ-1A10:30 desc
X
XXXXXXXXXX
HSI-24 - fairHJ-2A10:30 desc
X
XXXXX
HSI-24 - fairHJ-2B10:30 desc
X
XXXXX
HyS-VNIR4 - fairGISAT-283°EXXXXXXXX
HySI-T4 - fairIMS-109:30 desc
X
XXX
X
TANSO-CAI/25 - marginalGOSAT-213:00 desc
X
XXXXX
CAPI5 - marginalTANSAT13:30 asc
X
XXXXX
MADPI5 - marginalNEMO-AM09:30 descXXXXXX
OCI (FORMOSAT)5 - marginalFORMOSAT-135 °
X
XXXX
X
All instruments for measuring Aerosol effective radius
Instruments Relevance Operational limitations
3MI1 - primary
Polarimeters1 - primary
POLDER1 - primary
APS1 - primary
CATS2 - very high
ACE Lidar2 - very high
CALIOP2 - very high
ATLID2 - very high
ACS-nadir2 - very high
SCIAMACHY-nadir2 - very high
Sentinel-52 - very high
TROPOMI2 - very high
GOME2 - very high
GOME-22 - very high
Sentinel-42 - very high
EMI2 - very high
GEMS2 - very high
OMI 2 - very high
OMS-nadir2 - very high
TEMPO2 - very high
UVAS2 - very high
OMPS-nadir2 - very high
Ozonometer-32 - very high
Ozonometer-TM2 - very high
TOMS2 - very high
TOU2 - very high
BUV2 - very high
HySICS2 - very high
SBUS2 - very high
SBUV2 - very high
SBUV/22 - very high
SW spectrometer2 - very high
TANSO-FTS2 - very high
TANSO-FTS/22 - very high
GLI3 - high
OCI3 - high
GOCI-II3 - high
MUS-uv/vis/nir3 - high
MERSI-13 - high
MERSI-23 - high
MERSI-33 - high
METimage3 - high
MODIS3 - high
MOS3 - high
MSU-MR-MP3 - high
SGLI3 - high
VIIRS3 - high
COCTS3 - high
CZCS3 - high
DPC3 - high
EPIC (DSCOVR)3 - high
GOCI3 - high
MAP3 - high
MERIS3 - high
OCM (OceanSat-1)3 - high
OCM (OceanSat-2)3 - high
OCM (OceanSat-3)3 - high
OCS3 - high
OCTS3 - high
OLCI 3 - high
OSMI3 - high
SeaWiFS3 - high
SZS3 - high
Trasser3 - high
CHIME4 - fair
HISUI4 - fair
HSI (EnMAP)4 - fair
HYC4 - fair
Hyperion4 - fair
HySIS4 - fair
OHIS4 - fair
CHRIS4 - fair
COMIS4 - fair
DESIS4 - fair
GSA4 - fair
HICO4 - fair
HSI4 - fair
HSI-24 - fair
HyS-VNIR4 - fair
HySI-T4 - fair
TANSO-CAI/25 - marginal
CAPI5 - marginal
MADPI5 - marginal
OCI (FORMOSAT)5 - marginal