Titlebook: High Spectral Resolution Infrared Remote Sensing for Earth’s Weather and Climate Studies; Alain Chedin,Moustafa T. Chahine,Noëlle A. Scott

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催眠

Extraction of Atmospheric Signals from Radiance Measurements: Some Limitationsing of the error characteristics of the measurements and resulting products. Data error characteristics of the current generation of infrared and microwave sounders are discussed, and the resulting consequences for a physical retrieval algorithm demonstrated.

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conservative

The Impact of the Initial Guess on the Accuracy of Satellite Retrievalseived by the current TIROS Operational Vertical Sounder (TOVS). One of the reasons such instruments are being considered is that numerical models used for weather prediction continue to improve, and as they improve they require increasingly more accurate observations. For example, the current TOVS s

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Determination of Temperature and Moisture Profiles in a Cloudy Atmosphere Using AIRS/AMSUe the greatest retrieval accuracy, all the factors affecting the radiances, especially clouds, must be accurately accounted for. We have developed a methodology for retrieving atmospheric and surface parameters under cloudy conditions using the AIRS/AMSU instruments. Since all fields-of-view are con

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Retrieval of Cloud Parameters by Multiple High Spectral Resolution Observations in the Near-Infraredh the incoming solar radiation by scattering, and the outgoing thermal radiation by emission. Unfortunately, this combination of thermal and solar radiation has made it difficult to use observations in this region, and numerous investigators have avoided using daytime 3.7 μm observations (e.g. Stron

BOGUS

Spectral Variability of Light Scattering by Atmospheric Ice Crystalson is assumed to be random in space. Particle shapes are taken both from ice crystal classifications and from in-situ measurements made during the International Cirrus Experiment ICE, 1989. The spectral variability is discussed for hexagonal ice crystal columns in the range from 0.2 . to 16.0 . with

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Detection of Polar Stratospheric Clouds with Next Generation IR SoundersThe method uses information from two satellite pixels and two spectral channels in the infrared. PSCs form and emit in very cold stratospheric environments (<195 K), and solutions of the bispectral method yield low temperatures in a range that clearly differ from those derived for a cold but cloudfr

Clumsy

Problems in Cloud Identification and Clearingsion algorithms with a steady reduction of the differences among various retrieval methods. Differences still arise depending on whether the first guess is based on forecast fields or on climatological databases.

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