Atmospheric Emitted Radiance Interferometer (AERI) Handbook

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The atmospheric emitted radiance interferometer (AERI) measures the absolute infrared (IR) spectral radiance (watts per square meter per steradian per wavenumber) of the sky directly above the instrument. The spectral measurement range of the instrument is 3300 to 520 wavenumbers (cm-1) or 3-19.2 microns for the normal-range instruments and 3300 to 400 cm-1 or 3-25 microns, for the extended-range polar instruments. Spectral resolution is 1.0 cm-1. Instrument field-of-view is 1.3 degrees. A calibrated sky radiance spectrum is produced every 8 minutes in normal mode and every minute in rapid sampling mode. The actual sample scan time is 20-30 sec in ... continued below

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Demirgian, J & Dedecker, R January 1, 2005.

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Description

The atmospheric emitted radiance interferometer (AERI) measures the absolute infrared (IR) spectral radiance (watts per square meter per steradian per wavenumber) of the sky directly above the instrument. The spectral measurement range of the instrument is 3300 to 520 wavenumbers (cm-1) or 3-19.2 microns for the normal-range instruments and 3300 to 400 cm-1 or 3-25 microns, for the extended-range polar instruments. Spectral resolution is 1.0 cm-1. Instrument field-of-view is 1.3 degrees. A calibrated sky radiance spectrum is produced every 8 minutes in normal mode and every minute in rapid sampling mode. The actual sample scan time is 20-30 sec in rapid sampling mode with periodic gaps when the instrument is looking at the blackbodies. Rapid sampling will become available in all AERIs. Rapid sampling time will eventually be reduced to data every 20 seconds. The AERI data can be used for 1) evaluating line-by-line radiative transport codes, 2) detecting/quantifying cloud effects on ground-based measurements of infrared spectral radiance (and hence is valuable for cloud property retrievals), and 3) calculating vertical atmospheric profiles of temperature and water vapor and the detection of trace gases.

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  • Report No.: DOE/SC-ARM/TR-054
  • Grant Number: DE-AC05-7601830
  • DOI: 10.2172/1020273 | External Link
  • Office of Scientific & Technical Information Report Number: 1020273
  • Archival Resource Key: ark:/67531/metadc836289

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  • January 1, 2005

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 9, 2016, 7:23 p.m.

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Demirgian, J & Dedecker, R. Atmospheric Emitted Radiance Interferometer (AERI) Handbook, report, January 1, 2005; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc836289/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.