Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/91097
DC Field | Value | Language |
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dc.contributor | Department of Land Surveying and Geo-Informatics | - |
dc.contributor | Research Institute for Sustainable Urban Development | - |
dc.creator | Yu, SW | - |
dc.creator | Liu, ZZ | - |
dc.date.accessioned | 2021-09-09T03:39:39Z | - |
dc.date.available | 2021-09-09T03:39:39Z | - |
dc.identifier.uri | http://hdl.handle.net/10397/91097 | - |
dc.language.iso | en | en_US |
dc.publisher | SpringerOpen | en_US |
dc.rights | © 2021 BioMed Central Ltd unless otherwise stated. | en_US |
dc.rights | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data. | en_US |
dc.rights | The following publication Yu, S., Liu, Z. The ionospheric condition and GPS positioning performance during the 2013 tropical cyclone Usagi event in the Hong Kong region. Earth Planets Space 73, 66 (2021) is available at https://doi.org/10.1186/s40623-021-01388-2 | en_US |
dc.subject | Ionospheric scintillation | en_US |
dc.subject | GPS precise point positioning (PPP) | en_US |
dc.subject | GPS relative positioning | en_US |
dc.subject | Tropical cyclone (TC) | en_US |
dc.title | The ionospheric condition and GPS positioning performance during the 2013 tropical cyclone usagi event in the Hong Kong region | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.volume | 73 | - |
dc.identifier.issue | 1 | - |
dc.identifier.doi | 10.1186/s40623-021-01388-2 | - |
dcterms.abstract | The ionosphere plays a critical role in the electromagnetic waves in communication systems such as the global positioning system (GPS). However, it is suspected that the strong convection during the tropical cyclone (TC) events can be a trigger to anomalous electron density variation in the ionosphere. This study analyzed the variation of three ionosphere-related parameters based on the GPS data including scintillation index S4, cycle slips, and total electron content (TEC) rate (TECR) during the tropical cyclone event (the 2013 TC Usagi) in the Hong Kong region. The results showed that the ionosphere-related parameters had a consistent significant increase on the second day after the Usagi made landfall near Hong Kong. Consequently, the positioning performance of GPS precise point positioning (PPP) and relative positioning modes was degraded. The degradation was similar to 138%, similar to 181%, and similar to 460% in the east (root mean square (RMS) 0.050 m), north (RMS 0.045 m), and up (RMS 0.185 m), respectively, compared with the RMS of 0.021 m in the east, 0.016 m in the north, and 0.033 m in the up on the normal day. Regarding the relative positioning, the positioning errors in the east (RMS 0.134 m) and north (RMS 0.118 m) directions were similar to 7.1 and similar to 7.9 times, respectively, as large as the RMS of 0.019 m in the east and 0.015 m in the north on the normal day. The positioning errors in the up (RMS 0.513 m) direction were similar to 12.2 times larger than the RMS of 0.042 m on the normal day. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Earth planets and space, 2021, v. 73, no. 1, 66 | - |
dcterms.isPartOf | Earth planets and space | - |
dcterms.issued | 2021 | - |
dc.identifier.isi | WOS:000627415600001 | - |
dc.identifier.eissn | 1880-5981 | - |
dc.identifier.artn | 66 | - |
dc.description.validate | 202109 bchy | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_Scopus/WOS | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Yu_ionospheric_condition_GPS.pdf | 8.43 MB | Adobe PDF | View/Open |
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