Millimeter wave atmospheric sounding from space shuttle

Schanda, E.; Künzi, K.; Kämpfer, Niklaus; Hartmann, G. K.; Degenhart, W.; Keppler, E.; Loidl, A.; Umlauft, G.; Vasyliūnas, V. M.; Zwick, R.; Schwartz, P. R.; Bevilacqua, R. M.

doi:10.1016/0094-5765(86)90057-3

Cited by 20 publications

(6 citation statements)

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“…These immediately indicate two major applications of microwave radiometry-the measurement of atmospheric temperatures through the oxygen emission spectrum and the estimation of water vapour concentration (Staelin et al 1973). In addition to the major features, there are a number of narrow emission lines from trace chemical species in the upper atmosphere such as ozone, and these may be used to monitor the composition of this part of the atmosphere through the limb sounding technique (Schanda et a / 1986, Waters 1989.…”

Section: Ezamples Of Infmred Mdiometersmentioning

confidence: 99%

A Function Theory Method in Boundary Value Problems in the Plane. I: The Smooth Case

Soldatov¹

1992

Math. USSR Izv.

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A b s t r a c tA description of the general principles involved in remote sensing is followed by a review of instruments designed to sense properties of the earth's atmosphere and surface from near-earth orbiting and geostationary satellites. These include instruments for measuring atmospheric temperature, clouds, winds, precipitation and composition (water vapour and trace constituents). Emphasis is on general principles, but a few instruments are described in detail as examples. A list of space-borne atmospheric remote-sensing instruments is included. Methods for data reduction are outside the scope of this review.

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Section: Ezamples Of Infmred Mdiometersmentioning

confidence: 99%

A Function Theory Method in Boundary Value Problems in the Plane. I: The Smooth Case

Soldatov¹

1992

Math. USSR Izv.

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“…U,(T3)=ci +T3c2 (2) The constant factors c1 and c2 are obtained by a two load calibration cycle. For a real total power radiometer higher order have to be taken into account: Fig.…”

Section: Calibration Proceduresmentioning

confidence: 99%

<title>High-resolution multichannel mm-wave radiometer for the detection of stratospheric ClO</title>

Gerber

Kaempfer

1991

SPIE Proceedings

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Millimeter-wave radiometers are being used in remote sensing of stratospheric trace gases. For constituents with relatively strong spectral lines (several K) as for example ozone and water vapour, a total power radiometer with a simple load switch calibration technique may be sufficient. If the spectral lines are weaker, and the signal to noise ratio is smaller than iO, a balanced calibration technique should be applied. Unfortunately this can not easily be realized in the mm-wave region. Therefore a quasi balanced noise source in the atmosphere itself is planned to be used. 0-8194-0600-7/91/$4.00 SPIE Vol. 1491 Remote Sensing of Atmospheric Chemistry(1991) / 211 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/17/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Advantages of the frequency switch calibration methodOne advantage of a frequency switch calibrated radiometer is the fact, that it can be built up by the same receiver components like ordinary total power radiometers. Which means, only a few moving parts in the frontend optics SPIE Vol. 1491 Remote Sensing of Atmospheric Chemistry (1991) / 275 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/17/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx

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“…It should be pointed out that the MAS observations did not aim at the high latitudes. The mission goals for MAS, first near-global measurements of 03, H20, and C10 as well as pressure and temperature especially in the upper atmosphere, had already been defined [Schanda et al, 1986] when the severe ozone loss in the Antarctic vortex was first discovered by Farman et al [1985]. At that time, only the homogenuous chemistry processes involving C10, which were expected to be most effective in the upper stratosphere, were known.…”

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confidence: 99%

Validation of stratospheric ClO measurements from the Millimeter‐wave Atmospheric Sounder (MAS)

Feist¹,

Aellig²,

Kämpfer³

et al. 2000

J. Geophys. Res.

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Millimeter wave atmospheric sounding from space shuttle

Cited by 20 publications

References 10 publications

A Function Theory Method in Boundary Value Problems in the Plane. I: The Smooth Case

A Function Theory Method in Boundary Value Problems in the Plane. I: The Smooth Case

<title>High-resolution multichannel mm-wave radiometer for the detection of stratospheric ClO</title>

Validation of stratospheric ClO measurements from the Millimeter‐wave Atmospheric Sounder (MAS)

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