A climatological study of nocturnal equatorial F-region irregularities at the west Pacific longitudes by using phase fluctuations of the global positioning system

F. D. Chu; W. S. Chen; C. C. Lee; J. Y. Liu

doi:10.1016/j.jastp.2008.06.012

A climatological study of nocturnal equatorial F-region irregularities at the west Pacific longitudes by using phase fluctuations of the global positioning system

F. D. Chu, W. S. Chen, C. C. Lee, J. Y. Liu

Department of Space Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

This study investigated a long-term climatology of nocturnal equatorial F-region irregularities by using phase fluctuations of the global positioning system during the solar cycle of 1996-2006 at the west Pacific longitudes. The results showed that the distribution of the occurrence of irregularities is a two-peak pattern, which peaks in equinoxes with a shallow/deep dip in June/December solstice during high solar activity but with two about the same dips in magnitude in both June and December solstices during low solar activity. Moreover, the most interesting longitudinal effect in the area is in solstice occurrences of irregularities during high solar activity that the irregularities in December solstice months develop easier in the west area but those in June solstice months develop easier in the east area.

Original language	English
Pages (from-to)	1441-1449
Number of pages	9
Journal	Journal of Atmospheric and Solar-Terrestrial Physics
Volume	71
Issue number	13
DOIs	https://doi.org/10.1016/j.jastp.2008.06.012
State	Published - Sep 2009

Keywords

Equatorial ionosphere
Equatorial plasma bubble
Ionospheric irregularity
Spread F

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10.1016/j.jastp.2008.06.012

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title = "A climatological study of nocturnal equatorial F-region irregularities at the west Pacific longitudes by using phase fluctuations of the global positioning system",

abstract = "This study investigated a long-term climatology of nocturnal equatorial F-region irregularities by using phase fluctuations of the global positioning system during the solar cycle of 1996-2006 at the west Pacific longitudes. The results showed that the distribution of the occurrence of irregularities is a two-peak pattern, which peaks in equinoxes with a shallow/deep dip in June/December solstice during high solar activity but with two about the same dips in magnitude in both June and December solstices during low solar activity. Moreover, the most interesting longitudinal effect in the area is in solstice occurrences of irregularities during high solar activity that the irregularities in December solstice months develop easier in the west area but those in June solstice months develop easier in the east area.",

keywords = "Equatorial ionosphere, Equatorial plasma bubble, Ionospheric irregularity, Spread F",

author = "Chu, {F. D.} and Chen, {W. S.} and Lee, {C. C.} and Liu, {J. Y.}",

note = "Funding Information: The authors thank the International GNSS Service (IGS) and Indiana University, United States for GPS data. This research was supported by the National Space Organization (NSPO), under Grant no. 97-NSPO(B)-SP-FA07-03(B), and was also supported by the Ministry of Economic Affairs, under Grant no. 97-1403-04-0301-04 for “The Maintenance and Enhancement of National Standard Time and Frequency” project to National Standard Time and Frequency Laboratory, Telecommunication Laboratories, Chunghwa Telecom Co. Ltd. Besides, C.C. Lee was supported by National Science Council, under Grant no. NSC 96-2119-M-231-001, and W.S. Chen was supported under Grant no. NSC 96-2811-M-008-047. ",

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A climatological study of nocturnal equatorial F-region irregularities at the west Pacific longitudes by using phase fluctuations of the global positioning system. / Chu, F. D.; Chen, W. S.; Lee, C. C. et al.
In: Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 71, No. 13, 09.2009, p. 1441-1449.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - A climatological study of nocturnal equatorial F-region irregularities at the west Pacific longitudes by using phase fluctuations of the global positioning system

AU - Chu, F. D.

AU - Chen, W. S.

AU - Lee, C. C.

AU - Liu, J. Y.

N1 - Funding Information: The authors thank the International GNSS Service (IGS) and Indiana University, United States for GPS data. This research was supported by the National Space Organization (NSPO), under Grant no. 97-NSPO(B)-SP-FA07-03(B), and was also supported by the Ministry of Economic Affairs, under Grant no. 97-1403-04-0301-04 for “The Maintenance and Enhancement of National Standard Time and Frequency” project to National Standard Time and Frequency Laboratory, Telecommunication Laboratories, Chunghwa Telecom Co. Ltd. Besides, C.C. Lee was supported by National Science Council, under Grant no. NSC 96-2119-M-231-001, and W.S. Chen was supported under Grant no. NSC 96-2811-M-008-047.

PY - 2009/9

Y1 - 2009/9

N2 - This study investigated a long-term climatology of nocturnal equatorial F-region irregularities by using phase fluctuations of the global positioning system during the solar cycle of 1996-2006 at the west Pacific longitudes. The results showed that the distribution of the occurrence of irregularities is a two-peak pattern, which peaks in equinoxes with a shallow/deep dip in June/December solstice during high solar activity but with two about the same dips in magnitude in both June and December solstices during low solar activity. Moreover, the most interesting longitudinal effect in the area is in solstice occurrences of irregularities during high solar activity that the irregularities in December solstice months develop easier in the west area but those in June solstice months develop easier in the east area.

AB - This study investigated a long-term climatology of nocturnal equatorial F-region irregularities by using phase fluctuations of the global positioning system during the solar cycle of 1996-2006 at the west Pacific longitudes. The results showed that the distribution of the occurrence of irregularities is a two-peak pattern, which peaks in equinoxes with a shallow/deep dip in June/December solstice during high solar activity but with two about the same dips in magnitude in both June and December solstices during low solar activity. Moreover, the most interesting longitudinal effect in the area is in solstice occurrences of irregularities during high solar activity that the irregularities in December solstice months develop easier in the west area but those in June solstice months develop easier in the east area.

KW - Equatorial ionosphere

KW - Equatorial plasma bubble

KW - Ionospheric irregularity

KW - Spread F

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M3 - 期刊論文

AN - SCOPUS:68249123336

SN - 1364-6826

VL - 71

SP - 1441

EP - 1449

JO - Journal of Atmospheric and Solar-Terrestrial Physics

JF - Journal of Atmospheric and Solar-Terrestrial Physics

IS - 13

ER -

A climatological study of nocturnal equatorial F-region irregularities at the west Pacific longitudes by using phase fluctuations of the global positioning system

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Keywords

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