Spectral sensing of atmospheric temperature and humidity profiles: Sensitivity of the technique

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Authors
  1. Dutil, Y.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN);Natural Sciences and Engineering Research Council, Ottawa ONT (CAN)
Abstract
This memorandum present a theoretical analysis on a remote sensing technique for the retrieval of amtospheric temperature and humidity profiles based on a IR Fourier transform spectrometer (FTIR). The sensitivity of the method is studied using a set of simulations based on a physical model using real atmospheric profiles from meteorological radiosondes. This study shows that the method is mostly sensitive to temperature and relatively insensitive to humidity. In all cases, its sensitivity stays relatively weak and is mostly concentrated to the lower altitude. However, since the emission and the transmission of the atmosphere are closely related, it is likely that this last one can be evaluated with a fair precision. This theoretical study has increased our knowledge of the system, which should lead to a performance improvement.
Keywords
Fourier transform infrared (FTIR) spectrometry
Report Number
DREV-TM-2000-198 — Technical Memorandum
Date of publication
01 Feb 2001
Number of Pages
29
DSTKIM No
CA010575
CANDIS No
515367
Format(s):
Hardcopy;Document Image stored on Optical Disk

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