[751] - Investigating water vapor variability by groundbased microwave radiometry: evaluation using airborne observations

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Kneifel, S., Crewell, S., Löhnert, U., Schween, J., 2009. Investigating water vapor variability by groundbased microwave radiometry: evaluation using airborne observations. IEEE Geoscience and Remote Sensing Letters, 6 (1), 157 - 161. DOI: 10.1109/LGRS.2008.2007659.
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Title(s):Main Title: Investigating water vapor variability by groundbased microwave radiometry: evaluation using airborne observations
Description(s):Abstract: This letter introduces a new approach to characterize small-scale humidity variations using ground-based microwave radiometry. For that purpose, a microwave profiler routinely performed different scan patterns during its deployment at the Atmospheric Radiation Measurement mobile facility in the Black Forest, Germany. Individual azimuth scans at 30◦ elevation revealed spatial variations in integrated water vapor (IWV) up to }10%. Aircraft observations were used to evaluate the performance of the microwave observations by comparing derived humidity fields with IWV retrieved along individual directions of the microwave radiometer. Distinct humidity signals were reproduced by both observations. Residual uncertainties can be attributed to the temporal variations during the time it took the aircraft to cover the boundary layer and uncertainties in the interpolation. Long-term scanning observations will be further explored to investigate land-surface interaction and to characterize subgrid variability.
Identifier(s):DOI: 10.1109/LGRS.2008.2007659
Responsible Party
Creator(s):Author: Stefan Kneifel
Author: Susanne Crewell
Author: Ulrich Löhnert
Author: Jan Schween
TR32 Topic:Remote Sensing
Subject(s):CRC/TR32 Keywords: Water Vapour, Atmospheric Measurement, Microwave Radiometer, Remote Sensing
File Details
File Name:2009_Kneifel_GRSL.pdf
Data Type:Text
Size(s):5 Pages
File Size:479 kB (0.468 MB)
Date(s):Issued: 2009-01-14
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:For internal use only
Access Limitations:For internal use only
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:Other
Measurement Location:--Other--
Specific Informations - Publication
Article Type:Journal
Source:IEEE Geoscience and Remote Sensing Letters
Number Of Pages:5
Page Range:157 - 161
Metadata Details
Metadata Creator:Ulrich Löhnert
Metadata Created:2013-12-03
Metadata Last Updated:2013-12-03
Funding Phase:1
Metadata Language:English
Metadata Version:V40
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