Atmospheric observational datasets: Ozone vertical profiles in the polar middle atmosphere north of Ny Ålesund, Spitsbergen

The data are from a study investigating ozone (O3) variability in the polar mesosphere and lower thermosphere and uncertainties / biases in satellite ozone profile measurements. The datasets include 1) processed atmospheric datasets derived from O3 observations by the ground-based Ny Ålesund Ozone in the Mesosphere Instrument (NAOMI), an 11.072 GHz ozone radiometer making atmospheric observations from Ny Ålesund, Spitsbergen since 4 July 2017, 2) processed atmospheric datasets derived from selected O3 observations by the SABER satellite instrument, and 3) ancillary atmospheric datasets used for NAOMI retrievals, derived from model (WACCM-D) and reanalysis (MERRA-2) datasets.

Supported in part by UK Research and Innovation (UKRI) / Natural Environment Research Council (NERC) Technologies Proof-of-Concept grant reference NE/P003478/1 "Satellite TV-based Ozone and OH Observations using Radiometric Measurements (STO3RM)". MOSAIC instrument testing and deployment was supported by the Royal Society Newton Fund reference NI150103 "The Effect of High Energy Particle Precipitation from Space on the Earth's Atmosphere". Pekka T. Verronen was supported by Academy of Finland project no. 335555 "ICT-Solutions to Understand Variability of Arctic Climate (ICT-SUNVAC)".

Date (Creation): 2021-09-20

Date (Revision): 2021-09-20

Date (Publication): 2021-09-20

Date (released): 2021-09-20

Edition: 1.0

Unique resource identifier: https://doi.org/10.5285/19845e8e-d6ef-4f95-8961-4da60f8294d3

Codespace: doi

Unique resource identifier: GB/NERC/BAS/PDC/01566

Codespace: https://data.bas.ac.uk/

Unique resource identifier: NE/P003478/1

Codespace: award

Other citation details: Please cite this item as: Newnham, D. (2022). Atmospheric observational datasets: Ozone vertical profiles in the polar middle atmosphere north of Ny Ålesund, Spitsbergen (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/19845e8e-d6ef-4f95-8961-4da60f8294d3

Credit: No credit.

Status: Completed

Point of contact

Organisation name	Individual name	Electronic mail address	Role
British Antarctic Survey	Newnham, David		Author
NERC EDS UK Polar Data Centre		PDCServiceDesk@bas.ac.uk	Point of contact

Maintenance and update frequency: As needed

Maintenance note: Completed

Global Change Master Directory (GCMD) Science Keywords

Theme

Atmosphere
calibration
mesosphere
microwave
ozone
polar
radiometer
remote sensing
thermosphere

Place

Ny Ålesund Svalbard

GEMET - INSPIRE themes, version 1.0

Atmospheric conditions

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Spatial representation type: Text, table

Language: English

Character set: UTF8

Topic category

Climatology, meteorology, atmosphere

Begin date: 2017-08-15

End date: 2020-03-15

Vertical extent

Minimum value: 0.0

Maximum value: 130.0

Vertical CS

No information provided.

Vertical datum

No information provided.

Supplemental Information: It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk.

Title: European Petroleum Survey Group (EPSG) Geodetic Parameter Registry

Date (Publication): 2008-11-12

Cited responsible party

Organisation name	Individual name	Electronic mail address	Role
European Petroleum Survey Group		EPSGadministrator@iogp.org	Publisher

Unique resource identifier: urn:ogc:def:crs:EPSG::3031

Version: 6.18.3

Distributor

Distributor contact

Organisation name	Individual name	Electronic mail address	Role
NERC EDS UK Polar Data Centre		PDCServiceDesk@bas.ac.uk	Distributor

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WWW:LINK-1.0-http--link	https://ramadda.data.bas.ac.uk/repository/entry/show?entryid=19845e8e-d6ef-4f95-8961-4da60f8294d3	Get Data

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WWW:LINK-1.0-http--link	https://ramadda.data.bas.ac.uk/repository/entry/show?entryid=19845e8e-d6ef-4f95-8961-4da60f8294d3	Get Data

Hierarchy level: Dataset

Statement: Methodology:

Ny Ålesund Ozone in the Mesosphere Instrument (NAOMI) data were binned according to the local solar zenith angle (SZA) at 90 km into night time (SZA >110°), twilight (75° < SZA < 110°), and daytime (SZA <75°) observations. Binned ozone (O3) records between 15 August 2017 and 15 March 2020 were averaged for the following three periods: 15 December-15 March, 15 April-15 July, and 15 August-15 November, hereafter identified as 'winter', 'summer', and 'autumn' respectively. Mesospheric O3 profiles were retrieved from the NAOMI observations during 'winter' night and twilight, and 'autumn' twilight periods using version 2.2.58 of the Atmospheric Radiative Transfer Simulator (ARTS) (available at http://www.radiativetransfer.org/) and the Qpack2 (a part of atmlab v2.2.0) software package using the optimal estimation method (OEM). Vertical profiles of O3 VMR were calculated using a 10-year dataset from WACCM-D covering 2000-2009. WACCM-D is a 3-D global atmospheric model that incorporates a detailed representation of D-region chemistry in the specified dynamics (SD) version of the Whole Atmosphere Community Climate Model (WACCM 4). The WACCM-D data at 78.632 °N and 12.500 °E, the model grid point closest to Ny Ålesund, were used. Water vapour (H2O) VMR profiles were a combination of 6 hourly, model level Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) data and WACCM-D data. Temperature profiles were constructed by combining MERRA-2 data, SABER version 2.0 data, and WACCM D data. SABER temperature, O3 VMR, and water vapour VMR profiles overlapping NAOMI observations were binned into night time, twilight, and daytime datasets for 'winter', 'summer', and 'autumn', as was done for the NAOMI data. The 'winter' night and twilight, and 'autumn' twilight O3 VMR profiles from NAOMI and SABER 9.6 µm observations were compared, as well as the SABER 9.6µm and 1.27µm observations for 'summer' day and twilight, and 'autumn' twilight periods.

Data quality:

Ozone (O3) vertical profile uncertainties for NAOMI and SABER have been estimated from the retrieval diagnostics and published SABER validation data respectively.

Metadata

File identifier: 19845e8e-d6ef-4f95-8961-4da60f8294d3 XML

Metadata language: English

Character set: UTF8

Hierarchy level: Dataset

Hierarchy level name: dataset

Date stamp: 2021-09-20

Metadata standard name: ISO 19115 Geographic Information - Metadata

Metadata standard version: ISO 19115:2003(E)

Metadata author

Organisation name	Individual name	Electronic mail address	Role
NERC EDS UK Polar Data Centre		polardatacentre@bas.ac.uk	Point of contact

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