Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic
In the present study a non-motion-stabilized scanning Doppler lidar was operated on board of RV Polarstern in the Arctic (June 2014) and Antarctic (December 2015– January 2016). This is the first time that such a system measured on an icebreaker in the Antarctic. A method for a motion correction of...
Published in: | Atmospheric Measurement Techniques |
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2018
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ftunivtrier:oai:ubt.opus.hbz-nrw.de:1027 2023-05-15T13:47:46+02:00 Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic Zentek, Rolf Kohnemann, Svenja Heinemann, Günther (Prof. Dr.) The publication was funded by the Open Access Fund of Universität Trier and the German Research Foundation (DFG) 2018-12-19 application/pdf https://ubt.opus.hbz-nrw.de/frontdoor/index/index/docId/1027 urn:nbn:de:hbz:385-1-10275 https://nbn-resolving.org/urn:nbn:de:hbz:385-1-10275 https://doi.org/10.5194/amt-11-5781-2018 https://ubt.opus.hbz-nrw.de/files/1027/amt-11-5781-2018.pdf eng eng https://ubt.opus.hbz-nrw.de/frontdoor/index/index/docId/1027 urn:nbn:de:hbz:385-1-10275 doi:10.5194/amt-11-5781-2018 https://ubt.opus.hbz-nrw.de/files/1027/amt-11-5781-2018.pdf https://creativecommons.org/licenses/by/4.0/deed.de info:eu-repo/semantics/openAccess CC-BY Polargebiete Lidar Anemometrie Geowissenschaften ddc:550 article doc-type:article 2018 ftunivtrier https://doi.org/10.5194/amt-11-5781-2018 2021-07-29T07:39:44Z In the present study a non-motion-stabilized scanning Doppler lidar was operated on board of RV Polarstern in the Arctic (June 2014) and Antarctic (December 2015– January 2016). This is the first time that such a system measured on an icebreaker in the Antarctic. A method for a motion correction of the data in the post-processing is presented. The wind calculation is based on vertical azimuth display (VAD) scans with eight directions that pass a quality control. Additionally a method for an empirical signal-tonoise ratio (SNR) threshold is presented, which can be calculated for individual measurement set-ups. Lidar wind profiles are compared to total of about 120 radiosonde profiles and also to wind measurements of the ship. The performance of the lidar measurements in comparison with radio soundings generally shows small root mean square deviation (bias) for wind speed of around 1ms-1(0.1ms-1) and for wind direction of around 10 (1). The post-processing of the non-motion-stabilized data shows comparably high quality to studies with motion-stabilized systems. Two case studies show that a flexible change in SNR threshold can be beneficial for special situations. Further the studies reveal that short-lived low-level jets in the atmospheric boundary layer can be captured by lidar measurements with a high temporal resolution in contrast to routine radio soundings. The present study shows that a non-motionstabilized Doppler lidar can be operated successfully on an icebreaker. It presents a processing chain including quality control tests and error quantification, which is useful for further measurement campaigns. Article in Journal/Newspaper Antarc* Antarctic Arctic Icebreaker Publication Server of Tier University (OPUS) Antarctic Arctic The Antarctic Atmospheric Measurement Techniques 11 10 5781 5795 |
institution |
Open Polar |
collection |
Publication Server of Tier University (OPUS) |
op_collection_id |
ftunivtrier |
language |
English |
topic |
Polargebiete Lidar Anemometrie Geowissenschaften ddc:550 |
spellingShingle |
Polargebiete Lidar Anemometrie Geowissenschaften ddc:550 Zentek, Rolf Kohnemann, Svenja Heinemann, Günther (Prof. Dr.) Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic |
topic_facet |
Polargebiete Lidar Anemometrie Geowissenschaften ddc:550 |
description |
In the present study a non-motion-stabilized scanning Doppler lidar was operated on board of RV Polarstern in the Arctic (June 2014) and Antarctic (December 2015– January 2016). This is the first time that such a system measured on an icebreaker in the Antarctic. A method for a motion correction of the data in the post-processing is presented. The wind calculation is based on vertical azimuth display (VAD) scans with eight directions that pass a quality control. Additionally a method for an empirical signal-tonoise ratio (SNR) threshold is presented, which can be calculated for individual measurement set-ups. Lidar wind profiles are compared to total of about 120 radiosonde profiles and also to wind measurements of the ship. The performance of the lidar measurements in comparison with radio soundings generally shows small root mean square deviation (bias) for wind speed of around 1ms-1(0.1ms-1) and for wind direction of around 10 (1). The post-processing of the non-motion-stabilized data shows comparably high quality to studies with motion-stabilized systems. Two case studies show that a flexible change in SNR threshold can be beneficial for special situations. Further the studies reveal that short-lived low-level jets in the atmospheric boundary layer can be captured by lidar measurements with a high temporal resolution in contrast to routine radio soundings. The present study shows that a non-motionstabilized Doppler lidar can be operated successfully on an icebreaker. It presents a processing chain including quality control tests and error quantification, which is useful for further measurement campaigns. |
author2 |
The publication was funded by the Open Access Fund of Universität Trier and the German Research Foundation (DFG) |
format |
Article in Journal/Newspaper |
author |
Zentek, Rolf Kohnemann, Svenja Heinemann, Günther (Prof. Dr.) |
author_facet |
Zentek, Rolf Kohnemann, Svenja Heinemann, Günther (Prof. Dr.) |
author_sort |
Zentek, Rolf |
title |
Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic |
title_short |
Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic |
title_full |
Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic |
title_fullStr |
Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic |
title_full_unstemmed |
Analysis of the performance of a ship-borne scanning wind lidar in the Arctic and Antarctic |
title_sort |
analysis of the performance of a ship-borne scanning wind lidar in the arctic and antarctic |
publishDate |
2018 |
url |
https://ubt.opus.hbz-nrw.de/frontdoor/index/index/docId/1027 https://nbn-resolving.org/urn:nbn:de:hbz:385-1-10275 https://doi.org/10.5194/amt-11-5781-2018 https://ubt.opus.hbz-nrw.de/files/1027/amt-11-5781-2018.pdf |
geographic |
Antarctic Arctic The Antarctic |
geographic_facet |
Antarctic Arctic The Antarctic |
genre |
Antarc* Antarctic Arctic Icebreaker |
genre_facet |
Antarc* Antarctic Arctic Icebreaker |
op_relation |
https://ubt.opus.hbz-nrw.de/frontdoor/index/index/docId/1027 urn:nbn:de:hbz:385-1-10275 doi:10.5194/amt-11-5781-2018 https://ubt.opus.hbz-nrw.de/files/1027/amt-11-5781-2018.pdf |
op_rights |
https://creativecommons.org/licenses/by/4.0/deed.de info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5194/amt-11-5781-2018 |
container_title |
Atmospheric Measurement Techniques |
container_volume |
11 |
container_issue |
10 |
container_start_page |
5781 |
op_container_end_page |
5795 |
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1766247832661000192 |