University of Bath: King Edward Point Skiymet meteor radar data (2016-present)

The University of Bath's meteor radar located at the King Edward Point Magnetic Observatory (KEP, 54.2820 S, 36.4930 W) on South Georgia island in the South Atlantic , is an all-sky VHF (Very High Frequency) meteor radar commercially produced Skiymet system. It has been operational since 2016 providing meteor detection and derived wind data in support of the NERC funded South Georgia Wave (SG-WEX) and DRAGON-WEX: The Drake Passage and Southern Ocean Wave Experiments (see linked Project records for further details).

The radar detects radio scatter from the ionised trails of individual meteors drifting with the winds of the upper mesosphere, mesopause and lower thermosphere. A low-gain transmitter antenna is used to provide broad illumination of the sky. An array of five receiver antennas act as an interferometer to determine the azimuth and zenith angles of individual meteor echoes. Doppler measurements from each meteor determine the radial drift velocity and the meteor is assumed to be a passive tracer of atmospheric flow. The radar typically detects of order a few thousand meteors per day. These observations can be used to determine zonal and meridional winds in the mesosphere, mesopause and lower thermosphere at heights of about 80 – 100 km and with height and time resolutions of ~ 3 km and 2 hours.

The radar produces daily “meteor position data” data files (mpd files) recording the details of each individual meteor echo. In normal operation a few thousand individual meteors are detected per day. See parameter list for details of available data.

Recordings are made for each individual meteor detected allowing measurements of zonal and meridional wind speeds in the mesosphere and lower thermosphere to be obtained. Meteor count rates vary diurnally and with season, but are usually up to a few thousand meteors per day.

 
Citation proposal
Centre for Environmental Data Analysis (CEDA) (Rutherford Appleton Laboratory) - Nicholas Mitchell (University of Bath) (2019) . University of Bath: King Edward Point Skiymet meteor radar data (2016-present). Rutherford Appleton Laboratory https://data-search.nerc.ac.uk:443/geonetwork/srv/api/records/061fc7fd1ca940e7ad685daf146db08f
 

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Date ( Publication )
2019-06-03T13:22:04
Date ( Creation )
2019-06-03T13:22:04
Identifier
Centre for Environmental Data Analysis (CEDA) / 061fc7fd1ca940e7ad685daf146db08f

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Maintenance and update frequency
daily Daily
Name
Data are ASCII formatted. See linked documentation.
Keywords
  • NDGO0003
GEMET - INSPIRE themes, version 1.0
  • atmospheric conditions
Use limitation
Use of these data is covered by the following licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ . When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
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otherRestrictions Other restrictions
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Access to these data is available to any registered CEDA user. Please Login or Register for an account to gain access.
Metadata language
English English
Topic category
  • Climatology, meteorology, atmosphere
N
S
E
W


Reference system identifier
urn:ogc:def:crs:EPSG::27700
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Description of the format and methodology of the Horizontal Wind Data (HWD) files of a SKiYMET meteor radar  
OnLine resource
Description of the meteor position data (MPD) files of a SKiYMET meteor radar  
Hierarchy level
dataset Dataset
Statement
Data from the instrument are collected by the British Antarctic Survey and supplied to the Centre for Environmental Data Analysis (CEDA) for long-term archiving.

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File identifier
061fc7fd1ca940e7ad685daf146db08f   XML
Metadata language
English English
Parent identifier
836daab8d626442ea9b8d0474125a446
Hierarchy level
dataset Dataset
Date stamp
2020-09-22T03:38:59
Metadata standard name
UK GEMINI
Metadata standard version
2.1

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