Published January 31, 2024 | Version v1
Dataset Open

Eddy-covariance measurements collected during two austral summers in the Schirmacher oasis, East Antarctica.

Creators

  • 1. Finnish Meteorological Institute

Contributors

Sponsor:

Description

The data set includes eddy-covariance measurements collected during two field campaigns (2017–2018 and 2019–2020) carried out in the Schirmacher oasis, East Antarctica (70° 45′ S, 11° 44′ E). During the campaigns, the integrated CO2 and H2O open-path gas analyzer and 3-D sonic anemometer Irgason by Campbell Scientific (the serial number 1243) was operated on the shore of two glacial lakes. In the first experiment, the Irgason was deployed on the north-west shore of Lake Zub/Priyadarshini at a distance of 10 m from the coast used from 01.01.2018 to 07.02.2018. The instrument was placed on the aluminium tripod on the height of 2 m, and its sensor was directed toward 137° south-eastwards (SE). The second experiment lasted from 07.12.2019 to 13.01.2020; the Irgason was deployed at a distance of 10 m from the shore of Lake Glubokoe at a height of 1.8 m and the sensor was directed toward 144° south-eastwards (SE).

Technical info

The data are stored in the datafiles with the format given in Irgason_output.pdf; the raw data are packed into the *.dat files (one per day) and then compressed (bz2). The calibration of the Irgason was done 21.08.2017 and 13.11.2019 in the lab of the Finnish Meteorological Institute with standard zero-and-span procedure, and then the instrument was adjusted accordingly. The Irgason joined the inter-calibration campaign carried out in October 2018 in Lake Alqueva (Portugal).

Other

The work has received financial support from the Academy of Finland (contract number 304345, PI Timo Vihma); the logistic support of the field campaigns provided by the Finnish Antarctic Research Program and the Russian Antarctic Expedition.

Files

Irgason_output.pdf

Files (2.8 GB)

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Additional details

Identifiers

DOI
10.5281/zenodo.3469570
URL
https://etsin.fairdata.fi/dataset/20f519b1-13c5-4e35-a714-cb21578ea6f5
b2rec
60eca53148e84c4580c4c8cac6cee3ff

Related works

Is supplement to
Other: 10.5194/egusphere-egu22-8305 (DOI)
Other: 10.5194/tc-2021-218 (DOI)

Funding

Academy of Finland

Instruments

Irgason
undefined (Other)

FMI metadata

Process step
Unprocessed
Source data
Field measurements
Platforms
Irgason
Parameter
  • Parameter name: CO2 Density
  • Parameter unit: mg·m –3
  • Parameter description: CO2
  • Parameter name: H2O Density
  • Parameter unit: g·m –3
  • Parameter description: H20
Data levels (meter, hectoPascal, degree, sigma pressure levels, other) in vertical direction(+/-) for example 1500 m or 850 hPa
  • Level: 0
Resolution
1
Topic category
environment

Temporal Coverage

Ranges:

Start date: 2017-12-31
End date: 2018-02-08
Start date: 2019-12-06
End date: 2020-01-12

Locations

Antarctica Point:
(Lon: -70.4, Lat: 11.4 )