Ionospheric Bow Wave Induced by the Moon Shadow Ship Over the Continent of United States on 21 August 2017

Yang Yi Sun; Jann Yenq Liu; Charles Chien Hung Lin; Chi Yen Lin; Ming Hsueh Shen; Chieh Hung Chen; Chia-Hung Chen; Min Yang Chou

doi:10.1002/2017GL075926

Ionospheric Bow Wave Induced by the Moon Shadow Ship Over the Continent of United States on 21 August 2017

Yang Yi Sun, Jann Yenq Liu, Charles Chien Hung Lin, Chi Yen Lin, Ming Hsueh Shen, Chieh Hung Chen, Chia-Hung Chen, Min Yang Chou

地球科學系

研究成果: Article › 同行評審

30 引文斯高帕斯（Scopus）

摘要

A moon shadow of the total solar eclipse swept through the continent of United States (CONUS) from west to east on 21 August 2017. Massive total electron content (integration of electron density from 0 km to 20,200 km altitude) observations from 2,255 ground-based Global Navigation Satellite System receivers show that the moon shadow ship generates a great ionospheric bow wave front which extends ~1,500 km away from the totality path covering the entire CONUS. The bow wave front consists of the acoustic shock wave due to the supersonic/near-supersonic moon shadow ship and the significant plasma recombination due to the reduction in solar irradiation within the shadow area. The deep bow wave trough (−0.02 total electron content unit (1 TECU = 10¹⁶ el m⁻²) area) nearly coincides with the 100% obscuration moving along the totality path over the CONUS through the entire eclipse period. The supersonic moon shadow ship induces a bow wave crest in front of the ship (~80% obscuration). It is the first time to find the acoustic shock wave-formed bow wave trough and crest near the totality.

原文	English
頁（從 - 到）	538-544
頁數	7
期刊	Geophysical Research Letters
卷	45
發行號	2
DOIs	https://doi.org/10.1002/2017GL075926
出版狀態	Published - 2018 1月 28

All Science Journal Classification (ASJC) codes

地球物理
一般地球與行星科學

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10.1002/2017GL075926

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@article{455f6fa6fc8c47278838c0a1c8e18a97,

title = "Ionospheric Bow Wave Induced by the Moon Shadow Ship Over the Continent of United States on 21 August 2017",

abstract = "A moon shadow of the total solar eclipse swept through the continent of United States (CONUS) from west to east on 21 August 2017. Massive total electron content (integration of electron density from 0 km to 20,200 km altitude) observations from 2,255 ground-based Global Navigation Satellite System receivers show that the moon shadow ship generates a great ionospheric bow wave front which extends ~1,500 km away from the totality path covering the entire CONUS. The bow wave front consists of the acoustic shock wave due to the supersonic/near-supersonic moon shadow ship and the significant plasma recombination due to the reduction in solar irradiation within the shadow area. The deep bow wave trough (−0.02 total electron content unit (1 TECU = 1016 el m−2) area) nearly coincides with the 100% obscuration moving along the totality path over the CONUS through the entire eclipse period. The supersonic moon shadow ship induces a bow wave crest in front of the ship (~80% obscuration). It is the first time to find the acoustic shock wave-formed bow wave trough and crest near the totality.",

author = "Sun, {Yang Yi} and Liu, {Jann Yenq} and Lin, {Charles Chien Hung} and Lin, {Chi Yen} and Shen, {Ming Hsueh} and Chen, {Chieh Hung} and Chia-Hung Chen and Chou, {Min Yang}",

note = "Funding Information: This study is supported by the Fundamental Research Funds for the Central Universities, China University of Geosciences (Wuhan) (2017120), the grant of Ministry of Science and Technology (MOST) to National Central University, MOST 105-2119-M-008-020, and the International Space Science Institute (ISSI)-Bern International Team of “Ionospheric Space Weather Studied by RO and Ground-based GNSS TEC Observations” (the team leader Liu J. Y. (T. W.)). We gratefully acknowledge the International GNSS Service (IGS) (http://garner.ucsd.edu/) and Continuously Operating Reference Station (CORS) (https://geodesy.noaa. gov/CORS/data.shtml) for providing the ground-based GNSS data. Publisher Copyright: {\textcopyright}2018. American Geophysical Union. All Rights Reserved.",

year = "2018",

month = jan,

day = "28",

doi = "10.1002/2017GL075926",

language = "English",

volume = "45",

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journal = "Geophysical Research Letters",

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T1 - Ionospheric Bow Wave Induced by the Moon Shadow Ship Over the Continent of United States on 21 August 2017

AU - Sun, Yang Yi

AU - Liu, Jann Yenq

AU - Lin, Charles Chien Hung

AU - Lin, Chi Yen

AU - Shen, Ming Hsueh

AU - Chen, Chieh Hung

AU - Chen, Chia-Hung

AU - Chou, Min Yang

N1 - Funding Information: This study is supported by the Fundamental Research Funds for the Central Universities, China University of Geosciences (Wuhan) (2017120), the grant of Ministry of Science and Technology (MOST) to National Central University, MOST 105-2119-M-008-020, and the International Space Science Institute (ISSI)-Bern International Team of “Ionospheric Space Weather Studied by RO and Ground-based GNSS TEC Observations” (the team leader Liu J. Y. (T. W.)). We gratefully acknowledge the International GNSS Service (IGS) (http://garner.ucsd.edu/) and Continuously Operating Reference Station (CORS) (https://geodesy.noaa. gov/CORS/data.shtml) for providing the ground-based GNSS data. Publisher Copyright: ©2018. American Geophysical Union. All Rights Reserved.

PY - 2018/1/28

Y1 - 2018/1/28

N2 - A moon shadow of the total solar eclipse swept through the continent of United States (CONUS) from west to east on 21 August 2017. Massive total electron content (integration of electron density from 0 km to 20,200 km altitude) observations from 2,255 ground-based Global Navigation Satellite System receivers show that the moon shadow ship generates a great ionospheric bow wave front which extends ~1,500 km away from the totality path covering the entire CONUS. The bow wave front consists of the acoustic shock wave due to the supersonic/near-supersonic moon shadow ship and the significant plasma recombination due to the reduction in solar irradiation within the shadow area. The deep bow wave trough (−0.02 total electron content unit (1 TECU = 1016 el m−2) area) nearly coincides with the 100% obscuration moving along the totality path over the CONUS through the entire eclipse period. The supersonic moon shadow ship induces a bow wave crest in front of the ship (~80% obscuration). It is the first time to find the acoustic shock wave-formed bow wave trough and crest near the totality.

AB - A moon shadow of the total solar eclipse swept through the continent of United States (CONUS) from west to east on 21 August 2017. Massive total electron content (integration of electron density from 0 km to 20,200 km altitude) observations from 2,255 ground-based Global Navigation Satellite System receivers show that the moon shadow ship generates a great ionospheric bow wave front which extends ~1,500 km away from the totality path covering the entire CONUS. The bow wave front consists of the acoustic shock wave due to the supersonic/near-supersonic moon shadow ship and the significant plasma recombination due to the reduction in solar irradiation within the shadow area. The deep bow wave trough (−0.02 total electron content unit (1 TECU = 1016 el m−2) area) nearly coincides with the 100% obscuration moving along the totality path over the CONUS through the entire eclipse period. The supersonic moon shadow ship induces a bow wave crest in front of the ship (~80% obscuration). It is the first time to find the acoustic shock wave-formed bow wave trough and crest near the totality.

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DO - 10.1002/2017GL075926

M3 - Article

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SN - 0094-8276

VL - 45

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EP - 544

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 2

ER -

Ionospheric Bow Wave Induced by the Moon Shadow Ship Over the Continent of United States on 21 August 2017

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