A GPS based three-dimensional ionospheric imaging tool:: Process and assessment

被引：0
|
作者：
Stolle, C. [1 ]
Schlueter, S. [1 ]
Heise, S. [1 ]
Jacobi, Ch. [1 ]
Jakowski, N. [1 ]
Raabe, A. [1 ]
机构：
[1] Geoforschungszentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany
来源：
MIDDLE AND UPPER ATMOSPHERES, ACTIVE EXPERIMENTS, AND DUSTY PLASMAS | 2006年 / 38卷 / 11期
关键词：
GPS ionospheric remote sensing; 3D ionospheric imaging; CHAMP radio occultation;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A Multiplicative Algebraic Reconstruction Technique (MART) assimilation process of calibrated ground-based and occultation GPS TEC data into combined IRI/GCPM model data is described. The resulting electron density fields are assessed with in situ records. An improvement of the electron density estimations by IRI/GCPM of 27.25% at northern high latitudes is obtained through the assimilation of GPS data. A specification of NmF2 and hmF2 within a mean bias of only 8.5 x 10(10) m(-3) and -6.1 km, respectively, is achieved in comparison with soundings of seven European ionosondes. (c) 2006 COSPAR. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2313 / +
页数：2
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