Concept information
Preferred term
IIR
Definition
- The Imaging Infrared Radiometer (IIR) instrument on CALIPSO is a three-channel IIR is provided by CNES with algorithm development performed by the Institute Pierre Simon Laplace (IPSL) in Paris. The IIR a nadir-viewing, non-scanning imager having a 64 km by 64 km swath with a pixel size of 1 km. The CALIOP beam is nominally aligned with the center of the IIR image. The instrument uses a single microbolometer detecter array, with a rotating filter wheel providing measurements at three channels in the thermal infrared window region at 8.7 mm, 10.5 mm, and 12.0 mm. These wavelengths were selected to optimize joint CALIOP/IIR retrievals of cirrus cloud emissivity and particle size. For more information see: http://www-calipso.larc.nasa.gov/about/payload.php#IIR [Summary provided by NASA.] Group: Instrument_Details Entry_ID: IIR Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Passive Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Imaging Spectrometers/Radiometers Short_Name: IIR Long_Name: Imaging Infrared Radiometer End_Group Group: Associated_Platforms Short_Name: CALIPSO End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared > Reflected Number_Channels: 3 Spectral_Frequency_Resolution: 0.6 µm - 1.0 µm End_Group Online_Resource: http://www-calipso.larc.nasa.gov/about/payload.php#IIR Sample_Image: http://www-calipso.larc.nasa.gov/about/images/payload.jpg Creation_Date: 2007-05-22 Group: Instrument_Logistics Data_Rate: 44 kbps Instrument_Owner: NASA End_Group End_Group (en)
Broader concept
URI
https://gcmd.earthdata.nasa.gov/kms/concept/ac3071cf-e97e-4789-ad85-d2e33e502e2a
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