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Attenuation Correction for a High-resolution Polarimetric X-band Weather Radar : Volume 8, Issue 16 (17/11/2010)

By Otto, T.

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Book Id: WPLBN0003984137
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Attenuation Correction for a High-resolution Polarimetric X-band Weather Radar : Volume 8, Issue 16 (17/11/2010)  
Author: Otto, T.
Volume: Vol. 8, Issue 16
Language: English
Subject: Science, Advances, Radio
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2010
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Otto, T., & J. Russchenber, H. W. (2010). Attenuation Correction for a High-resolution Polarimetric X-band Weather Radar : Volume 8, Issue 16 (17/11/2010). Retrieved from http://www.ebooklibrary.org/


Description
Description: Remote Sensing of the Environment, International Research Centre for Telecommunications and Radar (IRCTR), Department of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft, The Netherlands. In 2007, IRCTR (Delft University of Technology) installed a new polarimetric X-band LFMCW radar (IDRA) at the meteorological observation site of Cabauw, The Netherlands. It provides plan position indicators (PPI) at a fixed elevation with a high range resolution of either 3 m or 30 m at a maximum observation range of 1.5 km and 15 km, respectively. IDRA aims to monitor precipitation events for the long-term analysis of the hydrological cycle. Due to the specifications of IDRA, the spatial and temporal variability of a large range of rainfall intensities (from drizzle to heavy convective rain) can be studied.

Even though the usual observation range of IDRA is limited to 15 km, attenuation due to precipitation can be large enough to seriously affect the measurements. In this contribution we evaluate the application of a combined method to correct for the specific and the differential attenuation, and in the same vein estimate the parameters of the raindrop-size distribution. The estimated attenuations are compared to a phase constraint attenuation correction method.


Summary
Attenuation correction for a high-resolution polarimetric X-band weather radar

Excerpt
Hitschfeld, W. and Bordan, J.: Errors inherent in the radar measurement of rainfall at attenuating wavelengths, J. Meteorol., 11, 58–67, 1954.; Bringi, V N. and Chandrasekar, V.: Polarimetric Doppler Weather Radar, p. 410, Cambridge University Press, 1st edn., 2001.; Bringi, V N., Chandrasekar, V., Balakrishnan, N., and Zrnić, D S.: An Examination of Propagation Effects in Rainfall on Radar Measurements at Microwave Frequencies, J. Atmos. Oceanic Technol., 7, 829–840, 1990.; Bringi, V N., Keenan, T D., and Chandrasekar, V.: Correcting C-Band Radar Reflectivity and Differential Reflectivity Data for Rain Attenuation: A Self-Consistent Method With Constraints, IEEE Trans. Geosci. Remote Sens., 39, 1906–1915, 2001.; Chandra, M., Schroth, A., and Lüneburg, E.: The Influence of Raindropsize Distribution on the Determination of Microwave Propagation Properties by Polarimetric Radars, in: Geoscience and Remote Sensing Symposium, IGARSS 90, 1041–1045, 1990.; Georgiou, S., Figueras i Ventura, J., and Unal, C. M H.: Estimation of differential and specific differential phase with the IDRA X-band Doppler polarimetric radar for improving rain rate retrieval, in: Proceedings of the 8th International Symposium of tropospheric profiling, Delft, The Netherlands, ISBN 978-90-6960-233-2, edited by: Apituley, A., Russchenberg, H. W J., and Monna, W. A A., 2009.; Gorgucci, E. and Baldini, L.: Attenuation and Differential Attenuation Correction of C-Band Radar Observations Using a Fully Self-Consistent Methodology, IEEE Geosci. Remote Sens. Lett., 4, 326–330, 2007.; Holt, A R.: Extraction of differential propagation phase from data from S-band circularly polarized radars, Electron. Lett., 24, 1241–1244, 1988.; Holt, A R., Uzunoglu, N K., and Evans, B G.: An Integral Equation Solution to the Scattering of Electromagnetic Radiation by Dielectric Spheroids and Ellipsoids, IEEE Trans. Antennas Propag., AP-26, 706–712, 1978.; Illingworth, A. J., Blackman, T. M., and Goddard, J. W. F.: Improved rainfall estimates in convective storms using polarisation diversity radar, Hydrol. Earth Syst. Sci., 4, 555–563, doi:10.5194/hess-4-555-2000, 2000.; Liebe, H J., Hufford, G A., and Manabe, T.: A model for the complex permittivity of water at frequencies below 1 THz, Int. J. Infrared. Milli., 12, 659–675, 1991.; McLaughlin, D. and Coauthors: Short-wavelength technology and the potential for distributed networks of small radar systems, B. Am. Meteorol. Soc., 90, 1797–1817, 2009.; Otto, T., Figueras i Ventura, J., and Russchenberg, H. W J.: Drop-size distribution retrieval of precipitation using a high-resolution polarimetric X-band weather radar, in: Proceedings of the 8th International Symposium of tropospheric profiling, Delft, The Netherlands, ISBN 978-90-6960-233-2, edited by: Apituley, A., Russchenberg, H. W J., and Monna, W. A A., 2009.; Testud, J., Le Bouar, E., Obligis, E., and Ali-Mehenni, M.: The Rain Profiling Algorithm Applied to Polarimetric Weather Radar, J. Atmos. Oceanic Technol., 17, 332–356, 2000.

 

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