A daily Azores–Iceland North Atlantic Oscillation index back to 1850
We present the construction of a continuous, daily (09:00 UTC), station‐based (Azores–Iceland) North Atlantic Oscillation (NAO) Index back to 1871 which is extended back to 1850 with additional daily mean data. The constructed index more than doubles the length of previously existing, widely availab...
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ftpubmed:oai:pubmedcentral.nih.gov:5445555 2023-05-15T16:46:15+02:00 A daily Azores–Iceland North Atlantic Oscillation index back to 1850 Cropper, Thomas Hanna, Edward Valente, Maria Antónia Jónsson, Trausti 2015-03-27 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5445555/ https://doi.org/10.1002/gdj3.23 en eng John Wiley and Sons Inc. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5445555/ http://dx.doi.org/10.1002/gdj3.23 © 2015 The Authors. Geoscience Data Journal published by Royal Meteorological Society and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. CC-BY Data Papers Text 2015 ftpubmed https://doi.org/10.1002/gdj3.23 2017-06-18T00:03:11Z We present the construction of a continuous, daily (09:00 UTC), station‐based (Azores–Iceland) North Atlantic Oscillation (NAO) Index back to 1871 which is extended back to 1850 with additional daily mean data. The constructed index more than doubles the length of previously existing, widely available, daily NAO time series. The index is created using entirely observational sea‐level pressure (SLP) data from Iceland and 73.5% of observational SLP data from the Azores – the remainder being filled in via reanalysis (Twentieth Century Reanalysis Project and European Mean Sea Level Pressure) SLP data. Icelandic data are taken from the Southwest Iceland pressure series. We construct and document a new Ponta Delgada SLP time series based on recently digitized and newly available data that extend back to 1872. The Ponta Delgada time series is created by splicing together several fractured records (from Ponta Delgada, Lajes, and Santa Maria) and filling in the major gaps (pre‐1872, 1888–1905, and 1940–1941) and occasional days (145) with reanalysis data. Further homogeneity corrections are applied to the Azores record, and the daily (09:00 UTC) NAO index is then calculated. The resulting index, with its extended temporal length and daily resolution, is the first reconstruction of daily NAO back into the 19th Century and therefore is useful for researchers across multiple disciplines. Text Iceland North Atlantic North Atlantic oscillation PubMed Central (PMC) Geoscience Data Journal 2 1 12 24 |
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Data Papers Cropper, Thomas Hanna, Edward Valente, Maria Antónia Jónsson, Trausti A daily Azores–Iceland North Atlantic Oscillation index back to 1850 |
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Data Papers |
description |
We present the construction of a continuous, daily (09:00 UTC), station‐based (Azores–Iceland) North Atlantic Oscillation (NAO) Index back to 1871 which is extended back to 1850 with additional daily mean data. The constructed index more than doubles the length of previously existing, widely available, daily NAO time series. The index is created using entirely observational sea‐level pressure (SLP) data from Iceland and 73.5% of observational SLP data from the Azores – the remainder being filled in via reanalysis (Twentieth Century Reanalysis Project and European Mean Sea Level Pressure) SLP data. Icelandic data are taken from the Southwest Iceland pressure series. We construct and document a new Ponta Delgada SLP time series based on recently digitized and newly available data that extend back to 1872. The Ponta Delgada time series is created by splicing together several fractured records (from Ponta Delgada, Lajes, and Santa Maria) and filling in the major gaps (pre‐1872, 1888–1905, and 1940–1941) and occasional days (145) with reanalysis data. Further homogeneity corrections are applied to the Azores record, and the daily (09:00 UTC) NAO index is then calculated. The resulting index, with its extended temporal length and daily resolution, is the first reconstruction of daily NAO back into the 19th Century and therefore is useful for researchers across multiple disciplines. |
format |
Text |
author |
Cropper, Thomas Hanna, Edward Valente, Maria Antónia Jónsson, Trausti |
author_facet |
Cropper, Thomas Hanna, Edward Valente, Maria Antónia Jónsson, Trausti |
author_sort |
Cropper, Thomas |
title |
A daily Azores–Iceland North Atlantic Oscillation index back to 1850 |
title_short |
A daily Azores–Iceland North Atlantic Oscillation index back to 1850 |
title_full |
A daily Azores–Iceland North Atlantic Oscillation index back to 1850 |
title_fullStr |
A daily Azores–Iceland North Atlantic Oscillation index back to 1850 |
title_full_unstemmed |
A daily Azores–Iceland North Atlantic Oscillation index back to 1850 |
title_sort |
daily azores–iceland north atlantic oscillation index back to 1850 |
publisher |
John Wiley and Sons Inc. |
publishDate |
2015 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5445555/ https://doi.org/10.1002/gdj3.23 |
genre |
Iceland North Atlantic North Atlantic oscillation |
genre_facet |
Iceland North Atlantic North Atlantic oscillation |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5445555/ http://dx.doi.org/10.1002/gdj3.23 |
op_rights |
© 2015 The Authors. Geoscience Data Journal published by Royal Meteorological Society and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
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CC-BY |
op_doi |
https://doi.org/10.1002/gdj3.23 |
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Geoscience Data Journal |
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2 |
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1 |
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12 |
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24 |
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1766036358467420160 |