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Long-term trends, variability and extremes of in situ sea surface temperature measured along the eastern Adriatic coast and its relationship to hemispheric processes (CROSBI ID 248498)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Grbec, Branka ; Matić, Frano ; Beg Paklar, Gordana ; Morović, Mira ; Popović, Ružica ; Vilibić, Ivica Long-term trends, variability and extremes of in situ sea surface temperature measured along the eastern Adriatic coast and its relationship to hemispheric processes // Pure and applied geophysics, 175 (2018), 11; 4031-4046. doi: 10.1007/s00024-018-1793-1

Podaci o odgovornosti

Grbec, Branka ; Matić, Frano ; Beg Paklar, Gordana ; Morović, Mira ; Popović, Ružica ; Vilibić, Ivica

engleski

Long-term trends, variability and extremes of in situ sea surface temperature measured along the eastern Adriatic coast and its relationship to hemispheric processes

This paper examines long-term series of in situ sea surface temperature (SST) data measured at nine coastal and one open sea stations along the eastern Adriatic Sea for the period 1959–2015. Monthly and yearly averages were used to document SST trends and variability, while clustering and connections to hemispheric indices were achieved by applying the Principal Component Analysis (PCA) and Self-Organizing Maps (SOM) method. Both PCA and SOM revealed the dominance of temporal changes in respect to the effects of spatial differences in SST anomalies, indicating the prevalence of hemispheric processes over local dynamics, such as bora wind spatial inhomogeneity. SST extremes were connected with blocking atmospheric patterns. A substantial warming between 1979 and 2015, in total exceeding 1oC, was preceded by a period with a negative SST trend, implying strong multidecadal variability in the Adriatic. The strongest connection was found between yearly SST and the East Atlantic (EA) pattern, while North Atlantic Oscillation (NAO) and East Atlantic/West Russia (EAWR) patterns were found to also affect February SST values. Quantification of the Adriatic SST and their connection to hemispheric indices allows for more precise projections of future SST, considered to be rather important for Adriatic thermohaline circulation, biogeochemistry and fisheries, and sensitive to ongoing climate change.

sea surface temperature ; teleconnection indices ; Self-Organizing Maps ; PCA ; trend ; long-time series

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Podaci o izdanju

175 (11)

2018.

4031-4046

objavljeno

0033-4553

1420-9136

10.1007/s00024-018-1793-1

Povezanost rada

Geofizika

Poveznice
Indeksiranost