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Atmosphere 2016, 7(12), 164; doi:10.3390/atmos7120164

Rain Attenuation Correction of Reflectivity for X-Band Dual-Polarization Radar

1
Key Laboratory of Cloud-Precipitation and Severe Storms, Center of Disaster Reduction, Institute of Atmospheric Physics, Chinese Academy of Sciences, Huayanli No.40, Qijiahuozi, Deshengmenwai Avenue, Beijing 100029, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Tianjin Meteorological Information Center, Tianjin 300074, China
4
Dalian Meteorological Equipment Support Center, Dalian 116001, China
*
Author to whom correspondence should be addressed.
Academic Editor: Guifu Zhang
Received: 19 September 2016 / Revised: 6 December 2016 / Accepted: 8 December 2016 / Published: 17 December 2016
(This article belongs to the Special Issue Radar Meteorology)

Abstract

In order to improve the performance of X-band dual-polarization radars, it is necessary to conduct attenuation correction before using the X-band radar data. This study analyzes a variety of attenuation correction methods for the X-band radar reflectivity, and proposes a high-resolution slide self-consistency correction (SSCC) method, which is an improvement of Kim et al.’s method based on Bringi et al.’s original method. The new method is comprehensively evaluated with the observational data of convective cloud, stratiform cloud, and the stratiform cloud with embedded convection. Comparing with the intrinsic reflectivity at X-band calculated from the reflectivity at S-band, it is found that the new method can effectively reduce the correction errors when calculating differential propagation shift increments using the conventional self-consistency attenuation correction method. This method can efficiently correct the X-band dual-polarization radar reflectivity, in particular, for the echoes with reflectivity greater than 35 dBZ. View Full-Text
Keywords: high-resolution slide self-consistency correction method; reflectivity attenuation correction for rain; X-band dual-polarization radar high-resolution slide self-consistency correction method; reflectivity attenuation correction for rain; X-band dual-polarization radar
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Feng, L.; Xiao, H.; Wen, G.; Li, Z.; Sun, Y.; Tang, Q.; Liu, Y. Rain Attenuation Correction of Reflectivity for X-Band Dual-Polarization Radar. Atmosphere 2016, 7, 164.

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