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| Keywords: Winter-NAO-Index.svg North Atlantic oscillation NAO based on the difference of normalized sea level pressure SLP between Lisbon Portugal and Stykkishólmur/Reykjavík Iceland since 1864 with loess smoothing black confidence interval in grey Created by Marsupilami ; updated with 2015 data and produced with R code by Delorme<br /> Data source Hurrell James National Center for Atmospheric Research Staff https //climatedataguide ucar edu/climate-data/hurrell-north-atlantic-oscillation-nao-index-station-based Hurrell North Atlantic Oscillation NAO Index station-based / Hosted data / https //climatedataguide ucar edu/sites/default/files/climate_index_files/nao_station_djfm ascii DJFM North Atlantic Oscillation Index Station-Based Delorme 2015-07-09 other versions Other versions/NAO hurrell winter Create this graph Annual and winter NAO in 3 languages Created with R v Build multi languages plots for annual and winter NAO based on Hurrell data library tidyverse library readr get data winter and annual add sign column for colors nao_djfm_hurrell <- https //climatedataguide ucar edu/sites/default/files/nao_station_djfm txt > read_table skip 1 col_types id na -999 0 col_names c year nao > mutate sign ifelse nao < 0 negative positive > na omit nao_hurrell <- https //climatedataguide ucar edu/sites/default/files/nao_station_annual txt > read_table skip 1 col_types id na -999 0 col_names c year nao > mutate sign ifelse nao < 0 negative positive > na omit manage languages language <- list fr_FR list winter list data nao_djfm_hurrell title Indice hivernal de l'oscillation nord-atlantique ONA subtitle Lisbonne - Stykkishólmur/Reykjavik décembre à mars caption Données Climate Analysis Section NCAR Boulder USA Hurrell 2003 \nMise à jour régulière Accédé x Année y Différence de pression normalisée annual list data nao_hurrell title Indice annuel de l'oscillation nord-atlantique ONA subtitle Lisbonne - Stykkishólmur/Reykjavik caption Données Climate Analysis Section NCAR Boulder USA Hurrell 2003 \nMise à jour régulière Accédé x Année y Différence de pression normalisée en_US list winter list data nao_djfm_hurrell title North Atlantic Oscillation NAO winter index subtitle Lisbon - Stykkishólmur/Reykjavík December to March caption NAO Index Data provided by the Climate Analysis Section NCAR Boulder USA Hurrell 2003 \nUpdated regularly Accessed x Year y Difference of normalized sea level pressure annual list data nao_hurrell title North Atlantic Oscillation NAO annual index subtitle Lisbon - Stykkishólmur/Reykjavík caption NAO Index Data provided by the Climate Analysis Section NCAR Boulder USA Hurrell 2003 \nUpdated regularly Accessed x Year y Difference of normalized sea level pressure de_DE list winter list data nao_djfm_hurrell title Nordatlantischen Oszillation NAO Winter Index subtitle Lisbon - Stykkishólmur/Reykjavík Dezember bis März caption Datei Climate Analysis Section NCAR Boulder USA Hurrell 2003 \nRegelmäßig aktualisiert Zugänglich am x Jahre y Differenz der standardisierten Luftdruck annual list data nao_hurrell title Nordatlantischen Oszillation NAO Index subtitle Lisbon - Stykkishólmur/Reykjavík caption Datei Climate Analysis Section NCAR Boulder USA Hurrell 2003 \nRegelmäßig aktualisiert Zugänglich am x Jahre y Differenz der standardisierten Luftdruck for l in names language message l for t in names languagel message t current <- languagelt plot graph ggplot data current data aes year nao + geom_bar stat identity aes fill sign + geom_smooth span 15 color black alpha 0 3 + scale_fill_manual values c positive darkorange2 negative deepskyblue3 + scale_x_continuous breaks seq 1860 max current data year 20 + guides fill FALSE + labs title current title subtitle current subtitle caption paste current caption format Sys Date Y- m- d x current x y current y + theme_bw ggsave file paste0 nao_hurrell_ t _ l svg width 21 height 13 units cm scale 0 8 North Atlantic Oscillation Climatological diagrams | ||||
