Early Evaluation of Ku- and Ka-Band Sensitivities for the Global Precipitation Measurement (GPM) Dual-Frequency Precipitation Radar (DPR)

被引：62
|
作者：
Toyoshima, Koichi [1 ]
Masunaga, Hirohiko [2 ]
Furuzawa, Fumie A. [2 ]
机构：
[1] Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan
[2] Nagoya Univ, Hydrospher Atmospher Res Ctr, Nagoya, Aichi 4648601, Japan
来源：
SOLA | 2015年 / 11卷
关键词：
RETRIEVAL ALGORITHM; WAVELENGTH RADAR;
D O I：
10.2151/sola.2015-004
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The purpose of this paper is to quantify the sensitivity of the Global Precipitation Measurement (GPM) mission core observatory Dual-frequency Precipitation Radar (DPR) with focus on the Ka-band detectability of light rain and snow in comparison with the Ku-band capability. In this work, storm top height (STH) is utilized exclusively as the metric of radar sensitivity. The GPM DPR standard product level 2 version 3 is used in this analysis for the period from April to August 2014. The Ka high sensitivity (HS) mode and Ku have little systematic difference in STH over a broad range of the histogram, implying that the advantage of the Ka HS mode may not be as distinct as expected. The non-Rayleigh scattering effect may have partly offset the sensitivity advantage of the Ka HS over the Ku.
引用
收藏
页码：14 / 17
页数：4
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