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000185598 1001_ $$0P:(DE-Juel1)151304$$aTrinh, Thai$$b0$$eCorresponding Author$$ufzj
000185598 245__ $$aA comprehensive observational filter for satellite infrared limb sounding of gravity waves
000185598 260__ $$aKatlenburg-Lindau$$bCopernicus$$c2014
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000185598 520__ $$aThis paper describes a comprehensive observational filter for satellite infrared limb sounding of gravity waves. The filter considers instrument visibility and observation geometry with a high level of accuracy. It contains four main processes: visibility filter, projection of the wavelength on the tangent-point track, aliasing effect, and calculation of the observed vertical wavelength. The observation geometries of the SABER (Sounding of the Atmosphere using Broadband Emission Radiometry) and HIRDLS (High Resolution Dynamics Limb Sounder) are mimicked. Gravity waves (GWs) simulated by coupling a convective GW source (CGWS) scheme and the gravity wave regional or global ray tracer (GROGRAT) are used as an example for applying the observational filter. Simulated spectra in terms of horizontal and vertical wave numbers (wavelengths) of gravity wave momentum flux (GWMF) are analyzed under the influence of the filter. We find that the most important processes, which have significant influence on the spectrum are: visibility filter (for both SABER and HIRDLS observation geometries), aliasing for SABER and projection on tangent-point track for HIRDLS. The vertical wavelength distribution is mainly affected by the retrieval as part of the "visibility filter" process. In addition, the short-horizontal-scale spectrum may be projected for some cases into a longer horizontal wavelength interval which originally was not populated. The filter largely reduces GWMF values of very short horizontal wavelength waves. The implications for interpreting observed data are discussed.
000185598 536__ $$0G:(DE-HGF)POF2-234$$a234 - Composition and Dynamics of the Upper Troposphere and Stratosphere (POF2-234)$$cPOF2-234$$fPOF II$$x0
000185598 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x1
000185598 7001_ $$0P:(DE-Juel1)142033$$aKalisch, Silvio$$b1$$ufzj
000185598 7001_ $$0P:(DE-Juel1)129143$$aPreusse, Peter$$b2$$ufzj
000185598 7001_ $$0P:(DE-HGF)0$$aChun, H.-Y.$$b3
000185598 7001_ $$0P:(DE-HGF)0$$aEckermann, S. D.$$b4
000185598 7001_ $$0P:(DE-Juel1)129117$$aErn, Manfred$$b5$$ufzj
000185598 7001_ $$0P:(DE-Juel1)129145$$aRiese, Martin$$b6$$ufzj
000185598 773__ $$0PERI:(DE-600)2507817-3$$a10.5194/amtd-7-10771-2014$$p10771-10827$$tAtmospheric measurement techniques discussions$$v7$$x1867-8610$$y2014
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000185598 8767_ $$92015-01-29$$d2015-02-05$$eAPC$$jZahlung erfolgt$$pManuscript hess-2014-319$$zRechnung HGF-Account
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000185598 9132_ $$0G:(DE-HGF)POF3-244$$1G:(DE-HGF)POF3-240$$2G:(DE-HGF)POF3-200$$aDE-HGF$$bMarine, Küsten- und Polare Systeme$$lAtmosphäre und Klima$$vComposition and dynamics of the upper troposphere and middle atmosphere$$x0
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000185598 9141_ $$y2014
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