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Climate of the Past An interactive open-access journal of the European Geosciences Union
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IF value: 3.536
IF3.536
IF 5-year value: 3.967
IF 5-year
3.967
CiteScore value: 6.6
CiteScore
6.6
SNIP value: 1.262
SNIP1.262
IPP value: 3.90
IPP3.90
SJR value: 2.185
SJR2.185
Scimago H <br class='widget-line-break'>index value: 71
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h5-index value: 40
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Volume 14, issue 1
Clim. Past, 14, 1–20, 2018
https://doi.org/10.5194/cp-14-1-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Clim. Past, 14, 1–20, 2018
https://doi.org/10.5194/cp-14-1-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 03 Jan 2018

Research article | 03 Jan 2018

Effects of undetected data quality issues on climatological analyses

Stefan Hunziker et al.

Data sets

DECADE - Data on climate and Extreme weather for the Central AnDEs S. Hunziker, S. Brönnimann, M. Andrade, I. Moreno, J. Calle, W. Lavado Casimiro, G. Rosas, G. Carrasco, Y. Castellon, and A. Rossa http://www.geography.unibe.ch/research/climatology_group/research_projects/decade/index_eng.html

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Short summary
Many data quality problems occurring in manned weather station observations are hardly detected with common data quality control methods. We investigated the effects of undetected data quality issues and found that they may reduce the correlation coefficients of station pairs, deteriorate the performance of data homogenization methods, increase the spread of individual station trends, and significantly bias regional trends. Applying adequate quality control approaches is of utmost importance.
Many data quality problems occurring in manned weather station observations are hardly detected...
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