Effects of various solar indices on accuracy of Earth's thermospheric neutral density models
文献类型：期刊论文
| 作者 | Wang HongBo1,2; Zhao ChangYin1 |
| 刊名 | SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
 |
| 出版日期 | 2009-07-01 |
| 卷号 | 52期号:7页码:1120-1128 |
| 关键词 | solar radiation index CHAMP accelerometer data neutrals density model |
| ISSN号 | 1672-1799 |
| 英文摘要 | Four kinds of solar indices F (10.7), E (10.7), S (10), Mg (10) and four thermospheric neutral density models, i.e., CIRA72, DTM94, NRLMSISE00 and JB2006, are discussed. The CHAMP accelerometer data are used to calculate thermospheric total mass density. Based on the comparison of the model densities with CHAMP observations, the effects of various indices on the model accuracy are detected. It is found that under quiet and moderate solar conditions (F (10.7)< 160), all of the models' errors are reduced about 15% by using E (10.7) instead of F (10.7), while under active solar conditions (F (10.7)> 200) the error's standard deviation using E (10.7) increases quickly and causes the models' accuracy to fall down. With regard to S (10), Mg (10), their effects under quiet solar conditions are inconspicuous. If under active solar conditions, they can reduce the model error's standard deviation by 5%-10%, implying that S (10), Mg (10) make the model error more stable. The JB2006 model, which was constructed by multi-solar-index (F (10.7), S (10), Mg (10)), is compared with DTM94 and NRLMSISE00 based on single-solar-index. It is found that JB2006's accuracy is better than DTM94's, and is close to NRLMSISE00 under the quiet solar condition. During the solar burst occurring on October 26, 2003, JB2006 has been in best agreement with CHAMP observations. All in all, the new indices may improve thermospheric density models' accuracy under some special conditions. Concretely, E (10.7) may reduce the average error of models and S (10), Mg (10) may prevent the error's divergence. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Multidisciplinary |
| 研究领域[WOS] | Physics |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000266586400022 |
| 公开日期 | 2011-12-08 |
| 源URL | [http://159.226.72.40/handle/332002/1487]  |
| 专题 | 紫金山天文台_空间目标与碎片观测研究基地 |
| 作者单位 | 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang HongBo,Zhao ChangYin. Effects of various solar indices on accuracy of Earth's thermospheric neutral density models[J]. SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,2009,52(7):1120-1128. |
| APA | Wang HongBo,&Zhao ChangYin.(2009).Effects of various solar indices on accuracy of Earth's thermospheric neutral density models.SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,52(7),1120-1128. |
| MLA | Wang HongBo,et al."Effects of various solar indices on accuracy of Earth's thermospheric neutral density models".SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY 52.7(2009):1120-1128. |
入库方式： OAI收割
来源：紫金山天文台
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