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Title:Lidar Observations of Mountain Waves During Bora Episodes
Authors:ID Wang, Longlong, Univerza v Novi Gorici (Author)
ID Bervida, Marija, Univerza v Novi Gorici (Author)
ID Stanič, Samo, Univerza v Novi Gorici (Author)
ID Bergant, Klemen, Univerza v Novi Gorici (Author)
ID Eichinger, William, University of Iowa, ZDA (Author)
ID Strajnar, Benedikt, Agencija Republike Slovenije za okolje (Author)
Files: This document has no files that are freely available to the public. This document may have a physical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Language:English
Work type:Not categorized
Typology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:Airflows over mountain barriers in the Alpine region may give rise to strong, gusty downslope winds, called Bora. Oscillations, caused by the flow over an orographic barrier, lead to formation of mountain waves. These waves can only rarely be observed visually and can, in general, not be reliably reproduced by numerical models. Using aerosols as tracers for airmass motion, mountain waves were experimentally observed during Bora outbreak in the Vipava valley, Slovenia, on 24-25 January 2019 by two lidar systems: a vertical scanning lidar positioned just below the peak of the lee side of the mountain range and a fixed direction lidar at valley floor, which were set up to retrieve two-dimensional structure of the airflow over the orographic barrier into the valley. Based on the lidar data, we determined the thickness of airmass layer exhibiting downslope motion, observed hydraulic jump phenomena that gave rise to mountain waves and characterized their properties.
Keywords:Bora, mountain waves, lidar observations
Publication version:Version of Record
Year of publishing:2020
Number of pages:4
Numbering:237
PID:20.500.12556/RUNG-5645 New window
COBISS.SI-ID:21975043 New window
DOI:https://doi.org/10.1051/epjconf/202023706007 New window
NUK URN:URN:SI:UNG:REP:5AG5RG2X
Publication date in RUNG:08.07.2020
Views:4170
Downloads:0
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WANG, Longlong, BERVIDA, Marija, STANIČ, Samo, BERGANT, Klemen, EICHINGER, William and STRAJNAR, Benedikt, 2020, Lidar Observations of Mountain Waves During Bora Episodes. In : The 29th International Laser Radar Conference (ILRC 29) [online]. Published Scientific Conference Contribution. 2020. [Accessed 22 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=5645
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Record is a part of a proceedings

Title:The 29th International Laser Radar Conference (ILRC 29)

Record is a part of a journal

Title:EPJ Web of Conferences
Publisher:EDP Sciences
Year of publishing:2020
ISSN:eISSN: 2100-014X

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P1-0385
Name:Daljinsko zaznavanje atmosferskih lastnosti

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:08.07.2020

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