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.  For this particular Variable, the rating is driven by:

  • whether measuring total (TSI) and/or spectral solar irradiance;
  • the covered spectral range.

 

RATING CRITERIA:

1
  • Line-resolving spectrometer in the water vapour bands around 6.3 and 18 mm, and CO2 band around 15 mm

2
  • Line-resolving spectrometer in the water vapour band around 6.3 mm, and CO2 bands around 4.3 and 15 mm

3
  • Line-resolving spectrometer in the water vapour band around 6.3 mm, and the CO2 band around 15 mm

4
  • Short-wave spectrometer covering UV + VIS + NIR + SWIR

5
  • Short-wave spectrometer covering UV + VIS + NIR or (UV + VIS) or (NIR + SWIR)
Measurement timeline for Upward spectral radiance at TOA

Definition:

Upward radiant power measured at the top of the atmosphere per area unit, per solid angle, and per wavelength interval. Spectral range 0.2-200 µm. Resolving power ?/??= 1000. Accuracy quoted as SNR (Signal-to-Noise-Ratio), actually SNR^-1 so that smaller figure means better performance, as usual.

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

Found 65 results

This table has a large number of results.
Hide inactive instruments
Instrument NRT? Relevance Satellite Orbit
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
FSI1 - primaryFORUM09:30 descXXXXX
IASINo2 - very highMetop-A07:50 desc
X
XXXXXXXXXXXXXX
X
IASIYes2 - very highMetop-B09:31 desc
X
XXXXXXXXXXXX
IASIYes2 - very highMetop-C09:31 desc
X
XXXXXXXXX
IASI-NG2 - very highMetop-SG-A209:30 descXXXXXXXX
IASI-NG2 - very highMetop-SG-A309:30 descXXXXXXXX
IASI-NG2 - very highMetop-SG-A109:30 descXXXXXXXX
IKFS-32 - very highMeteor-MP N115:30 asc
X
XXXXXXX
IKFS-32 - very highMeteor-MP N209:30 desc
X
XXXXXXX
TES-nadir Important note2 - very highAura13:40 asc
X
XXXXXXXXXXXXX
X
IMG2 - very highADEOS10:30 desc
X
X
AIRS Important noteYes2 - very highAqua13:30 asc
X
XXXXXXXXXXXXXXXXXXXXX
CrISYes2 - very highNOAA-2013:25 asc
X
XXXXXXX
CrIS2 - very highJPSS-213:30 asc
X
XXXXXXX
CrIS Important noteYes2 - very highSNPP13:25 asc
X
XXXXXXXXXXXX
CrIS2 - very highJPSS-313:30 asc
X
XXXXXXX
CrIS2 - very highJPSS-413:30 asc
X
XXXXXXX
GIIRSYes2 - very highFY-4A104.7°E
X
XXXXXXX
GIIRS2 - very highFY-4B123.5°E
X
XXXXXXX
GIIRS2 - very highFY-4C86.5°EXXXXXXXX
GIIRS2 - very highFY-4D105°E
X
XXXXXXX
GIIRS2 - very highFY-4E86.5°E
X
XXXXXXX
GIIRS2 - very highFY-4F105°E
X
XXXXXXX
GIIRS2 - very highFY-4G86.5°E
X
XXXXXXX
HIRASYes2 - very highFY-3D13:29 asc
X
XXXXX
HIRAS-22 - very highFY-3E05:40 desc
X
XXXXXX
HIRAS-22 - very highFY-3H14:00 ascXXXXXXX
HIRAS-22 - very highFY-3F10:00 desc
X
XXXXXX
HIRAS-22 - very highFY-3J05:00 desc
X
XXXXXXXX
IRFS-GS2 - very highElectro-M N114.5°W
X
XXXXXXXXXX
IRFS-GS2 - very highElectro-M N276°E
X
XXXXXXXXXX
IRFS-GS2 - very highElectro-M N3165.8°E
X
XXXXXXXXXX
IRS2 - very highMTG-S10°XXXXXXXXX
IRS2 - very highMTG-S20°XXXXXXXXX
IKFS-23 - highMeteor-M N209:30 asc
X
XXXXXXXX
IKFS-23 - highMeteor-M N2-115:09 asc
X
IKFS-23 - highMeteor-M N2-215:00 asc
X
XXXX
X
IKFS-23 - highMeteor-M N2-309:00 desc
X
XXXXX
IKFS-23 - highMeteor-M N2-415:00 asc
X
XXXXX
IKFS-23 - highMeteor-M N2-515:00 desc
X
XXXXX
IKFS-23 - highMeteor-M N2-609:00 asc
X
XXXXX
TANSO-FTSNo3 - highGOSAT13:00 desc
X
XXXXXXXXXXXXX
TANSO-FTS/23 - highGOSAT-213:00 desc
X
XXXXX
ACS-nadir4 - fairMeteor-MP N115:30 asc
X
XXXXXXX
ACS-nadir4 - fairMeteor-MP N209:30 desc
X
XXXXXXX
SCIAMACHY-nadir4 - fairEnvisat10:00 desc
X
XXXXXXXXX
X
Sentinel-54 - fairMetop-SG-A209:30 descXXXXXXXX
Sentinel-54 - fairMetop-SG-A309:30 descXXXXXXXX
Sentinel-54 - fairMetop-SG-A109:30 descXXXXXXXX
TROPOMI Important note4 - fairSentinel-5P13:30 desc
X
XXXXXXX
HySICS4 - fairISS CLARREO-PF51.6 °
X
X
GOME5 - marginalERS-210:30 desc
X
XXXXXXXXXXXXXXX
X
GOME-2No5 - marginalMetop-A07:50 desc
X
XXXXXXXXXXXXXX
X
GOME-2Yes5 - marginalMetop-B09:31 desc
X
XXXXXXXXXXXX
GOME-2Yes5 - marginalMetop-C09:31 desc
X
XXXXXXXXX
Sentinel-45 - marginalMTG-S10°XXXXXXXXX
Sentinel-45 - marginalMTG-S20°XXXXXXXXX
EMI5 - marginalGF-513:30 asc
X
XX
EMI5 - marginalGF-5-0213:30 asc
X
XXXXXXX
EMI-25 - marginalDQ-113:00 asc
X
XXXXXXXX
EMI-25 - marginalDQ-213:00 ascXXXXXXXXX
GEMS5 - marginalGEO-KOMPSAT-2B128.2°E
X
XXXXXXXXXXX
OMI 5 - marginalAura13:40 asc
X
XXXXXXXXXXXXXXXXXXX
OMS-nadir5 - marginalFY-3F10:00 desc
X
XXXXXX
TEMPO5 - marginalTEMPO91°W
X
XX
All instruments for measuring Upward spectral radiance at TOA
Instruments Relevance Operational limitations
FSI1 - primary
IR spectrometer1 - primary
IASI2 - very high
IASI-NG2 - very high
IKFS-32 - very high
TES-nadir2 - very high
IMG2 - very high
AIRS2 - very high
CrIS2 - very high
GIIRS2 - very high
HIRAS2 - very high
HIRAS-22 - very high
IRFS-GS2 - very high
IRS2 - very high
IKFS-23 - high
TANSO-FTS3 - high
TANSO-FTS/23 - high
ACS-nadir4 - fair
SCIAMACHY-nadir4 - fair
Sentinel-54 - fair
TROPOMI4 - fair
HySICS4 - fair
SW spectrometer4 - fair
GOME5 - marginal
GOME-25 - marginal
Sentinel-45 - marginal
EMI5 - marginal
EMI-25 - marginal
GEMS5 - marginal
OMI 5 - marginal
OMS-nadir5 - marginal
TEMPO5 - marginal
UVAS5 - marginal