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Atmospheric Measurement Techniques
Article . 2022 . Peer-reviewed
License: CC BY
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Ground-based Ku-band microwave observations of ozone in the polar middle atmosphere

Authors: David A. Newnham; Mark A. Clilverd; William D. J. Clark; Michael Kosch; Pekka T. Verronen; Alan E. E. Rogers;

Ground-based Ku-band microwave observations of ozone in the polar middle atmosphere

Abstract

Ground-based observations of 11.072 GHz atmospheric ozone (O3) emission have been made using the Ny-Ålesund Ozone in the Mesosphere Instrument (NAOMI) at the UK Arctic Research Station (latitude 78∘55′0′′ N, longitude 11∘55′59′′ E), Spitsbergen. Seasonally averaged O3 vertical profiles in the Arctic polar mesosphere–lower thermosphere region for night-time and twilight conditions in the period 15 August 2017 to 15 March 2020 have been retrieved over the altitude range 62–98 km. NAOMI measurements are compared with corresponding, overlapping observations by the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) satellite instrument. The NAOMI and SABER version 2.0 data are binned according to the SABER instrument 60 d yaw cycles into nominal 3-month “winter” (15 December–15 March), “autumn” (15 August–15 November), and “summer” (15 April–15 July) periods. The NAOMI observations show the same year-to-year and seasonal variabilities as the SABER 9.6 µm O3 data. The winter night-time (solar zenith angle, SZA ≥ 110∘) and twilight (75∘ ≤ SZA ≤ 110∘) NAOMI and SABER 9.6 µm O3 volume mixing ratio (VMR) profiles agree to within the measurement uncertainties. However, for autumn twilight conditions the SABER 9.6 µm O3 secondary maximum VMR values are higher than NAOMI over altitudes 88–97 km by 47 % and 59 %, respectively in 2017 and 2018. Comparing the two SABER channels which measure O3 at different wavelengths and use different processing schemes, the 9.6 µm O3 autumn twilight VMR data for the three years 2017–2019 are higher than the corresponding 1.27 µm measurements with the largest difference (58 %) in the 65–95 km altitude range similar to the NAOMI observation. The SABER 9.6 µm O3 summer daytime (SZA < 75∘) mesospheric O3 VMR is also consistently higher than the 1.27 µm measurement, confirming previously reported differences between the SABER 9.6 µm channel and measurements of mesospheric O3 by other satellite instruments.

Countries
United Kingdom, Finland
Keywords

Spitsbergen, ilmakehä, arktinen alue, arktinen tutkimus, Atmospheric Science, arctic region, mittaus, mesosfääri, emissions, arctic research, Huippuvuoret, mittausmenetelmät, ozone, napa-alueet, measuring methods, polar regions, atmosphere (earth), mesosphere, päästöt, measurement, otsoni

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download
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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15
7
gold
Funded by
AKA| ICT-Solutions to Understand Variability of Arctic Climate / Consortium: ICT-SUNVAC
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 335555
,
FCT| LA 1
Project
LA 1
Incentive - LA 1 - 2013
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: Incentivo/SAU/LA0001/2013
  • Funding stream: 6817 - DCRRNI ID
iis
,
UKRI| Satellite TV-based Ozone and OH Observations using Radiometic Measurements (STO3RM)
Project
  • Funder: UK Research and Innovation (UKRI)
  • Project Code: NE/P003478/1
  • Funding stream: NERC
sysimport:actionset
,
EC| LIE ANALYSIS
Project
LIE ANALYSIS
Lie Group Analysis for Medical Image Processing
  • Funder: European Commission (EC)
  • Project Code: 335555
  • Funding stream: FP7 | SP2 | ERC
iis
Related to Research communities
European Marine Science
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