Climate indices for the Baltic states from principal component analysis

Bethere, Liga; Sennikovs, Juris; Bethers, Uldis

doi:https://doi.org/10.5194/esd-8-951-2017

Articles | Volume 8, issue 4

https://doi.org/10.5194/esd-8-951-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Multiple drivers for Earth system changes in the Baltic Sea...

https://doi.org/10.5194/esd-8-951-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 8, issue 4

Research article

|

26 Oct 2017

Research article |

| 26 Oct 2017

Climate indices for the Baltic states from principal component analysis

Liga Bethere, Juris Sennikovs, and Uldis Bethers

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Final revised paper (published on 26 Oct 2017)
Preprint (discussion started on 06 Apr 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'major revisions', Anonymous Referee #1, 17 Apr 2017
- AC1: 'Response to the comments', Liga Bethere, 08 May 2017
RC2: 'major revisions', Anonymous Referee #2, 19 May 2017
- AC2: 'Response to the comments', Liga Bethere, 31 May 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (05 Jun 2017) by Anna Rutgersson

AR by Liga Bethere on behalf of the Authors (17 Jul 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (26 Jul 2017) by Anna Rutgersson

RR by Anonymous Referee #2 (17 Aug 2017)

RR by Jaak Jaagus (18 Aug 2017)

ED: Reconsider after major revisions (18 Aug 2017) by Anna Rutgersson

AR by Anna Mirena Feist-Polner on behalf of the Authors (24 Aug 2017) Author's response

ED: Publish subject to minor revisions (review by Editor) (28 Aug 2017) by Anna Rutgersson

AR by Liga Bethere on behalf of the Authors (05 Sep 2017) Author's response Manuscript

ED: Publish as is (19 Sep 2017) by Anna Rutgersson

Short summary

We define three new climate indices based on monthly mean temperature and total precipitation values that describe the main features of the climate in the Baltic states. Higher values in each index correspond to (1) less distinct seasonality and (2) warmer and (3) wetter climate. It was calculated that in the future all three indices will increase. Such indices summarize and illustrate the spatial features of the Baltic climate, and they can be used in further analysis of climate change impact.