Arid
DOI10.1109/LGRS.2021.3086587
Identification and Tracking of Locust Swarms by Indian Doppler Weather Radar
Amarjyothi, K.; Kumar, D. Preveen; Saikrishnan, K. C.
通讯作者Amarjyothi, K (corresponding author), Minist Earth Sci, Natl Ctr Medium Range Weather Forecasting NCMRWF, Noida 201301, India.
来源期刊IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
ISSN1545-598X
EISSN1558-0571
出版年2022
卷号19
英文摘要The desert Locust swarms are a severe threat to the agriculture sector and have invaded northern India over large areas. Locust swarms are expected to give echoes comparable with those given by heavy precipitation since the Locusts contain more than 50% of their body weight as water. During June and July of 2020, the northern part of India experienced a Locust invasion and they were observed by two Doppler weather radars (DWRs) viz. Delhi and Lucknow. A strong echo in radar reflectivity is observed in both the radars throughout the Locust flight. The mean vertical profile shows echo strength of more than 40 dBZ for all Locust clusters and the maximum vertical extent up to a height of 1.5 km. The tracks were also compared with the hybrid single-particle Lagrangian integrated trajectory (HYSPLIT) and showed the possible tracks of Locust reaching Delhi and Lucknow on the day of observation. The five-day backward trajectories on June 27th and July 12th, 2020 indicate air parcel movements from Rajasthan toward Delhi and Lucknow, where the invasion of Locust was observed.
英文关键词Radar Trajectory Insects Meteorological radar Radar polarimetry Radar tracking Doppler radar Doppler weather radar (DWR) hybrid single-particle Lagrangian integrated trajectory (HYSPLIT) locust polarimetric parameters
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000731151800024
WOS类目Geochemistry & Geophysics ; Engineering, Electrical & Electronic ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向Geochemistry & Geophysics ; Engineering ; Remote Sensing ; Imaging Science & Photographic Technology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/374378
作者单位[Amarjyothi, K.; Kumar, D. Preveen] Minist Earth Sci, Natl Ctr Medium Range Weather Forecasting NCMRWF, Noida 201301, India; [Saikrishnan, K. C.] Indian Meteorol Dept, New Delhi 110003, India
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Amarjyothi, K.,Kumar, D. Preveen,Saikrishnan, K. C.. Identification and Tracking of Locust Swarms by Indian Doppler Weather Radar[J],2022,19.
APA Amarjyothi, K.,Kumar, D. Preveen,&Saikrishnan, K. C..(2022).Identification and Tracking of Locust Swarms by Indian Doppler Weather Radar.IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,19.
MLA Amarjyothi, K.,et al."Identification and Tracking of Locust Swarms by Indian Doppler Weather Radar".IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 19(2022).
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