3D Traveling Ionospheric Disturbances During the 2022 Hunga Tonga-Hunga Ha'apai Eruption Using GNSS TEC

被引：3

作者：

Cahyadi, Mokhamad Nur ^{[1
,2
]}

Muslim, Buldan ^{[3
]}

Muafiry, Ihsan Naufal ^{[3
]}

Gusman, Aditya Riadi ^{[4
]}

Handoko, Eko Yuli ^{[1
]}

Anjasmara, Ira Mutiara ^{[1
]}

Putra, Meilfan Eka ^{[1
]}

Wulansari, Mega ^{[1
]}

Lestari, Dwi Sri ^{[1
]}

Jin, Shuanggen ^{[5
,6
]}

Sri Sumantyo, Josaphat Tetuko ^{[7
,8
]}

机构：

[1] Inst Teknol Sepuluh Nopember, Dept Geomat Engn, Surabaya, Indonesia

[2] Inst Teknol Sepuluh Nopember, Res Ctr Sci Technol Marine & Earth, Directorate Res & Community Serv, Surabaya, Indonesia

[3] Natl Res & Innovat Agcy BRIN, Res Ctr Climate & Atmosphere, Bandung, Indonesia

[4] GNS Sci, Lower Hutt, New Zealand

[5] Chinese Acad Sci, Shanghai Astron Observ, Shanghai, Peoples R China

[6] Henan Polytech Univ, Sch Surveying & Land Informat Engn, Jiaozuo, Peoples R China

[7] Chiba Univ, Ctr Environm Remote Sensing, Chiba, Japan

[8] Univ Sebelas Maret, Dept Elect Engn, Surakarta, Indonesia

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 2024年 / 129卷 / 03期

基金：

中国国家自然科学基金;

关键词：

GNSS; ionospheric disturbances; TEC; tomography; Tonga; ATMOSPHERE; EARTHQUAKE; VELOCITY; TSUNAMI;

D O I：

10.1029/2023JA031806

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The dual frequency Global Navigation Satellite System (GNSS) observations could determine the total electron content (TEC) in the ionosphere. In this study, GNSS TEC was applied to detect traveling ionospheric disturbances (TIDs) after the eruption of Hunga Tonga-Hunga Ha'apai (HTHH) on 15 January 2022. The eruption caused two types of tsunamis, first is tsunami generated by atmospheric wave (meteo-tsunami) and second is caused by eruption induces water displacement or tsunami classic. At the same time with former tsunami, the atmospheric wave (shock and lamb waves) also caused TIDs at a speed of approximately similar to 0.3 km/s. We found moderate correlation between this TIDs amplitude and the tsunami wave height model from tide gauge stations in New Zealand (0.64) and Australia (0.65). Further we attempted to reveal 3D structure of the TIDs in New Zealand, South Australia, and Philippines using 3D tomography. The tomography was set up > 1,170 blocks, as large as 1.0 degrees (east-west) x 1.0 degrees (north-south) x 100 km (vertical), up to 600 km altitude over selected regions. Tomogram shows beautiful concentric directivity of the first TIDs generated by atmospheric wave (AW).

引用

页数：26

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