WMO OSCAR | Gap analyses by variable or by type of mission or by WIGOS subcomponent

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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 () 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

Subcomponent 1

Subcomponent 2

Subcomponent 3

Subcomponent 4

Instrument types

ECT range

Orbit types

Longitude range

Analysis

Expert system, based on instrument properties Help icon

Simplified, based on mission objectives Help icon

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: the exploited SAR frequency. RATING CRITERIA:
1	X- and Ku-band SAR
2	X-band SAR
3	C-band SAR
4	L- and S-band SAR
5	L- or S-band SAR

Measurement timeline for Dominant wave period

Definition: The period of the most energetic wave in the ocean wave spectrum.

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

Found 66 results

This table has a large number of results.

Hide lower rated instruments

Hide inactive instruments

Instrument	NRT?	Relevance	Satellite	Orbit	1978	1985	1986	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
BRLK “Briz”		2 - very high	Meteor-MP N1	15:30 asc																																						X	X	X	X	X	X	X	X
BRLK “Briz”		2 - very high	Meteor-MP N2	09:30 desc																																							X	X	X	X	X	X	X	X
BRLK “Briz”		2 - very high	Obzor-R N1	TBD																																				X	X	X	X	X	X
BRLK “Briz”		2 - very high	Obzor-R N2	TBD																																					X	X	X	X	X	X
BRLK “Briz”		2 - very high	Obzor-R N3	TBD																																						X	X	X	X	X	X
BRLK “Briz”		2 - very high	Obzor-R N4	TBD																																								X	X	X	X	X	X	X	X
COSI		2 - very high	KOMPSAT-5	06:00 asc																										X	X	X	X	X	X	X	X	X	X
COSI		2 - very high	KOMPSAT-6	06:00 asc																																			X	X	X	X	X
CSG-SAR		2 - very high	CSG-1	05:46 asc																																X	X	X	X	X	X	X	X
CSG-SAR		2 - very high	CSG-2	05:46 asc																																			X	X	X	X	X	X	X	X
CSG-SAR		2 - very high	CSG-3																																						X	X	X	X	X	X
CSG-SAR		2 - very high	CSG-4																																									X	X	X	X	X	X	X	X
HRWS-SAR		2 - very high	HRWS-SAR	06:00 desc																																							X	X	X	X	X	X	X	X	X
MeteoSAR		2 - very high	Meteor-M N2-3	09:00 desc																																			X	X	X	X	X	X
MeteoSAR		2 - very high	Meteor-M N2-4	15:00 asc																																				X	X	X	X	X	X
MeteoSAR		2 - very high	Meteor-M N2-5	15:00 desc																																					X	X	X	X	X	X
MeteoSAR		2 - very high	Meteor-M N2-6	09:00 asc																																						X	X	X	X	X	X
SAR-2000	No	2 - very high	CSK-1	05:46 asc																				X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-2000	No	2 - very high	CSK-2	05:46 asc																				X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-2000	No	2 - very high	CSK-3	05:46 asc																					X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-2000	No	2 - very high	CSK-4	05:46 asc																							X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-X		2 - very high	TanDEM-X	06:00 desc																							X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-X		2 - very high	TerraSAR-X	06:00 desc																				X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-X (Paz (SEOSAR))		2 - very high	SEOSAR/Paz	06:00 asc																															X	X	X	X	X	X
SAR-X (RISAT-2)		2 - very high	RISAT-2	41 °																						X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR-X (RISAT-2)		2 - very high	RISAT-2B	37 °																																X	X	X	X	X	X
SAR-X (RISAT-2)		2 - very high	RISAT-2BR1	37 °																																X	X	X	X	X	X
SAR-X (RISAT-2)		2 - very high	EOS-01	37 °																																	X	X	X	X	X	X
W-SAR		2 - very high	HY-3A	06:00 desc																																			X	X	X	X	X	X	X	X
W-SAR		2 - very high	HY-3B	06:00 desc																																			X	X	X	X	X	X	X	X
AMI-SAR		3 - high	ERS-1	10:30 desc				X	X	X	X	X	X	X	X	X	X
AMI-SAR		3 - high	ERS-2	10:30 desc								X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
ASAR		3 - high	Envisat	10:00 desc															X	X	X	X	X	X	X	X	X	X	X
SAR (RadarSat-1)		3 - high	RadarSat-1	06:00 desc								X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR (RadarSat-1)	No	3 - high	RadarSat-2	06:00 desc																				X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SAR RCM		3 - high	RCM-1	06:00 desc																																X	X	X	X	X	X	X	X
SAR RCM		3 - high	RCM-2	06:00 desc																																X	X	X	X	X	X	X	X
SAR RCM		3 - high	RCM-3	06:00 desc																																X	X	X	X	X	X	X	X
SAR-C (GF-3)		3 - high	GF-3	06:00 desc																													X	X	X	X	X	X	X	X	X
SAR-C (GF-3)		3 - high	GF-12	06:00 desc																																X	X	X	X	X	X	X	X	X
SAR-C (GF-3)		3 - high	GF-12-02	06:00 desc																																		X	X	X	X	X	X	X	X	X
SAR-C (GF-3)		3 - high	GF-3-02	06:00 desc																																		X	X	X	X	X	X	X	X	X
SAR-C (GF-3)		3 - high	GF-3-03	06:00 desc																																			X	X	X	X	X	X	X	X	X
SAR-C (RISAT)		3 - high	RISAT-1	06:00 desc																									X	X	X	X	X	X
SAR-C (RISAT)		3 - high	EOS-04	06:00 desc																																			X	X	X	X	X	X	X	X	X	X	X
SAR-C (Sentinel-1)	No	3 - high	Sentinel-1A	06:00 desc																											X	X	X	X	X	X	X	X	X
SAR-C (Sentinel-1)		3 - high	Sentinel-1B	06:00 desc																													X	X	X	X	X	X
SAR-C (Sentinel-1)	No	3 - high	Sentinel-1C	06:00 desc																																			X	X	X	X	X	X	X	X
SAR-C (Sentinel-1)	No	3 - high	Sentinel-1D	06:00 desc																																				X	X	X	X	X	X	X	X
SAR-Travers		4 - fair	Resurs-O1-1	10:15 asc		X	X
SAR-10		5 - marginal	Kondor-E1	74.75 °																											X	X	X	X	X	X
SAR-10		5 - marginal	Kondor-E	74.75 °																										X	X
SAR-S		5 - marginal	HJ-1C	06:00 desc																									X	X	X	X	X	X	X	X	X	X	X
SAR-S (NISAR)		5 - marginal	NI-SAR	06:00 desc																																				X	X	X	X
L-SAR		5 - marginal	Tandem-L	06:00 desc																																					X	X	X	X	X	X	X	X	X	X	X	X	X
PALSAR		5 - marginal	ALOS	10:30 desc																			X	X	X	X	X	X
PALSAR-2	No	5 - marginal	ALOS-2	12:00 desc																											X	X	X	X	X	X	X	X	X
PALSAR-3		5 - marginal	ALOS-4	12:00 desc																																			X	X	X	X	X	X	X	X
ROSE-L		5 - marginal	ROSE-L	06:00 desc																																									X	X	X	X	X	X
SAR		5 - marginal	SeaSat	108 °	X
SAR (JERS)		5 - marginal	JERS	10:45 desc					X	X	X	X	X	X	X
SAR-L		5 - marginal	SAOCOM-1A	06:00 asc																															X	X	X	X	X	X
SAR-L		5 - marginal	SAOCOM-1B	06:00 asc																																	X	X	X	X	X	X
SAR-L		5 - marginal	SAOCOM-2A	06:00 asc																																		X	X	X	X	X	X	X	X	X	X
SAR-L		5 - marginal	SAOCOM-2B	06:00 asc																																		X	X	X	X	X	X	X	X	X	X	X
SAR-L (NISAR)		5 - marginal	NI-SAR	06:00 desc																																				X	X	X	X

All instruments for measuring Dominant wave period

Instruments	Relevance	Operational limitations
SAR-X/Ku	1 - primary
BRLK “Briz”	2 - very high
COSI	2 - very high
CSG-SAR	2 - very high
HRWS-SAR	2 - very high
MeteoSAR	2 - very high
SAR-2000	2 - very high
SAR-X	2 - very high
SAR-X (Paz (SEOSAR))	2 - very high
SAR-X (RISAT-2)	2 - very high
W-SAR	2 - very high
AMI-SAR	3 - high
ASAR	3 - high
SAR (RadarSat-1)	3 - high
SAR RCM	3 - high
SAR-C (GF-3)	3 - high
SAR-C (RISAT)	3 - high
SAR-C (Sentinel-1)	3 - high
SAR-Travers	4 - fair
SAR-10	5 - marginal
SAR-S	5 - marginal
SAR-S (NISAR)	5 - marginal
InSAR	5 - marginal
L-SAR	5 - marginal
PALSAR	5 - marginal
PALSAR-2	5 - marginal
PALSAR-3	5 - marginal
ROSE-L	5 - marginal
SAR	5 - marginal
SAR (JERS)	5 - marginal
SAR-L	5 - marginal
SAR-L (NISAR)	5 - marginal