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

被引：0
|
作者：
Stolle, C. [1 ]
Schluter, S. [2 ]
Heise, S. [3 ]
Jacobi, Ch. [1 ]
Jakowski, N. [2 ]
Raabe, A. [1 ]
机构：
[1] Univ Leipzig, Inst Meteorol, D-04103 Leipzig, Germany
[2] DLR, Inst Commun & Navigat, D-17235 Neustrelitz, Germany
[3] Geoforschungszentrum Potsdam, D-14473 Potsdam, Germany
来源：
ADVANCES IN SPACE RESEARCH | 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：
V [航空、航天];
学科分类号：
08 ; 0825 ;
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 / 2317
页数：5
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