WMO OSCAR | Details for Instrument Klimat

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Instrument: Klimat

Instrument details

Acronym	Klimat
Full name	Infrared Imaging Radiometer
Purpose	Cloud imagery
Short description	1-channel IR radiometer, 10.5–12.5 ?m, 0.5 K @ 300 K
Background	Consolidated technology
Scanning Technique	Cross-track, swath 3100 km – Along-track: two 3-km lines/s
Resolution	3.0 km IFOV
Coverage / Cycle	Global coverage twice/day
Mass	75 kg	Power	Data Rate

Providing Agency	Roscosmos
Instrument Maturity	Flown on operational programme
Utilization Period:	1986 to 2006
Last update:	2013-11-19

Detailed characteristics

Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Meteor-3 (RosHydroMet)
- Meteor-3-1 (see instrument status) Jan 1986 - Oct 1987
- Meteor-3-2 (see instrument status) Oct 1988 - Jul 1990
- Meteor-3-3 (see instrument status) Jan 1990 - Oct 1991
- Meteor-3-4 (see instrument status) Jul 1991 - Apr 1993
- Meteor-3-5 (see instrument status) Nov 1991 - Aug 1993
- Meteor-3-6 (see instrument status) Apr 1994 - Jan 1996
Meteor-3M (RosHydroMet)
- Meteor-3M (see instrument status) Mar 2002 - Apr 2006

Instrument classification

Earth observation instrument
Passive optical radiometer or spectrometer
Moderate resolution optical imager

WIGOS Subcomponents No WIGOS subcomponents have been defined.

Mission objectives

Primary mission objectives

Cloud cover
Cloud top temperature

Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.

Variable	Relevance for measuring this variable	Operational limitations	Explanation
Cloud cover*	5 - marginal	No specific limitation.	TIR channel(s)
Cloud top temperature*	5 - marginal	No specific limitation.	TIR window channel(s)
Fire fractional cover	5 - marginal	Cloud sensitive.. Coarse spatial resolution.	TIR channels
Fire radiative power	5 - marginal	Cloud sensitive.. Coarse spatial resolution.	TIR channels
Fire temperature	5 - marginal	Cloud sensitive.. Coarse spatial resolution.	TIR channels
Sea surface temperature	5 - marginal	Cloud sensitive.	TIR window channel(s) around 11 micrometers .
Wind (horizontal)	5 - marginal	Limited to high latitudes.. Cloud or water vapour tracers needed.	TIR channel(s) around 11 micrometers window