Journal cover Journal topic
Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
Journal topic

Journal metrics

IF value: 3.668
IF3.668
IF 5-year value: 3.707
IF 5-year
3.707
CiteScore value: 6.3
CiteScore
6.3
SNIP value: 1.383
SNIP1.383
IPP value: 3.75
IPP3.75
SJR value: 1.525
SJR1.525
Scimago H <br class='widget-line-break'>index value: 77
Scimago H
index
77
h5-index value: 49
h5-index49
Preprints
https://doi.org/10.5194/amt-2020-409
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-2020-409
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  09 Nov 2020

09 Nov 2020

Review status
This preprint is currently under review for the journal AMT.

Uncertainty of the hourly average concentration values derived from non-continuous measurements

László Haszpra and Ernő Prácser László Haszpra and Ernő Prácser
  • Geodetic and Geophysical Institute, Research Centre for Astronomy and Earth Sciences, Sopron, H-9400, Hungary

Abstract. Continental greenhouse gas monitoring networks extensively use tall towers for higher spatial representativeness. In most cases, several intakes are built along the tower to give information also on the vertical concentration profile of the components considered. Typically, a single gas analyzer is used, and the intake points are sequentially connected to the instrument. It involves that the continuous concentration signal is only sampled for discrete short periods at each intake points, which does not allow the perfect reconstruction of the original concentration variation. It increases the uncertainty of the calculated hourly averages usually used by the transport and budget models. The purpose of the study is to give the data users an impression on the potential magnitude of this kind of uncertainty, as well as how it depends on the number of intakes sampled, on the length of the sampling period at each intake, on the season, and on the time of the day. It presents how much improvement can be achieved using linear or spline interpolation between the measurement periods instead of the simple arithmetic averaging of the available measurements. Although the results presented here may be site-specific, the study calls attention to the potentially rather heterogeneous spatial and temporal distribution of the uncertainty of the hourly average concentration values derived from tall-tower measurements applying sequential sampling.

László Haszpra and Ernő Prácser

Interactive discussion

Status: open (until 04 Jan 2021)
Status: open (until 04 Jan 2021)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
[Subscribe to comment alert] Printer-friendly Version - Printer-friendly version Supplement - Supplement

László Haszpra and Ernő Prácser

László Haszpra and Ernő Prácser

Viewed

Total article views: 63 (including HTML, PDF, and XML)
HTML PDF XML Total Supplement BibTeX EndNote
43 19 1 63 6 1 3
  • HTML: 43
  • PDF: 19
  • XML: 1
  • Total: 63
  • Supplement: 6
  • BibTeX: 1
  • EndNote: 3
Views and downloads (calculated since 09 Nov 2020)
Cumulative views and downloads (calculated since 09 Nov 2020)

Viewed (geographical distribution)

Total article views: 111 (including HTML, PDF, and XML) Thereof 110 with geography defined and 1 with unknown origin.
Country # Views %
  • 1
1
 
 
 
 

Cited

Saved

No saved metrics found.

Discussed

No discussed metrics found.
Latest update: 29 Nov 2020
Publications Copernicus
Download
Short summary
Most of the tall-tower GHG observatories applies a single gas analyzer for the sequential sampling of several intakes along the tower. The non-continuous sampling at each intake introduces excess uncertainty to the calculated hourly average concentrations used in several applications. Based on real-world measurements the paper systematically assesses this type of uncertainty.
Most of the tall-tower GHG observatories applies a single gas analyzer for the sequential...
Citation