NDLI: Investigation of GPS PWV variation during lightning activity due to topographic effects

Content Provider	IEEE Xplore Digital Library
Author	Suparta, W. Bin Adnan, J. Bin Mohd Ali, M.A.
Copyright Year	2013
Description	Author affiliation: Inst. of Space Sci. (ANGKASA), Univ. Kebangsaan Malaysia, Bangi, Malaysia (Suparta, W.; Bin Adnan, J.; Bin Mohd Ali, M.A.)
Abstract	We have investigated the different variation in PWV during the occurrence of lightning activities at four selected stations due to topography effects for two pre-monsoons in Peninsular Malaysia. From the selected stations, analyses were split into two categories based on the topography features that associated with water vapor sources. The first category is for KRAI and MERS stations, which distant from the sea but nearby the Kelantan River and flanked by the Titiwangsa (West) and Tahan (East) Ranges. For both stations, the lightning was detected to occur between 1 and 2 hours before the PWV abruptly decreased. Whilst the second category is for MUAD and UKMB stations which both located at flat terrain and far away from the coast. For these stations, the lightning was recorded occurred about 1 to 4 hours before the PWV reached a second peak. Results showed that PWV at KRAI took 8 to 13 hours to reach the peak value, while MERS which located nearby the sea only took 6 to 8 hours. Moreover, only one maximum peak is recorded for PWV of the first category that occurred around 12:00 LT to 14:00 UT. For the second category, the peak value for the PWV variation is recorded twice with the first peak around 8:00 LT to 12:00 LT and around 16:00 LT to 21:00 LT for the second peak. As a result, the difference in PWV during first inter-monsoon (in May) was 2.53 mm higher than the second inter-monsoon (in November) which is only 0.91 mm, indicated that the topographical features has been detected to effect the PWV variation in these selected stations.
Starting Page	115
Ending Page	119
File Size	1402774
Page Count	5
File Format	PDF
ISBN	9781467352338
ISSN	2165431X
DOI	10.1109/IconSpace.2013.6599445
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-01
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Topographic Lightning GPS PWV Monsoons Lightning activity Surfaces Rivers Sun Water resources Global Positioning System
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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