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@article{1550076,
author = {Ambrožová, Klára and Láska, Kamil and Kavan, Jan},
article_location = {Hoboken},
article_number = {3},
doi = {http://dx.doi.org/10.1002/joc.6285},
keywords = {Antarctic Peninsula; James Ross Island; air temperature; synoptic climatology; pattern detection},
language = {eng},
issn = {0899-8418},
journal = {International Journal of Climatology},
title = {Multi-year assessment of atmospheric circulation and impacts on air temperature variation on James Ross Island, Antarctic Peninsula},
url = {https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/joc.6285},
volume = {40},
year = {2020}
}
TY - JOUR
ID - 1550076
AU - Ambrožová, Klára - Láska, Kamil - Kavan, Jan
PY - 2020
TI - Multi-year assessment of atmospheric circulation and impacts on air temperature variation on James Ross Island, Antarctic Peninsula
JF - International Journal of Climatology
VL - 40
IS - 3
SP - 1526-1541
EP - 1526-1541
PB - Wiley
SN - 08998418
KW - Antarctic Peninsula
KW - James Ross Island
KW - air temperature
KW - synoptic climatology
KW - pattern detection
UR - https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/joc.6285
L2 - https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/joc.6285
N2 - The influence of synoptic-scale circulation on air temperature variation in the ice-free areas and glaciated areas on the eastern side of the Antarctic Peninsula have been analysed. For this purpose, a new classification of atmospheric circulation with fifteen synoptic patterns in the Antarctic Peninsula Region was developed using a self-organizing maps technique. The synoptic patterns were compared with air temperature observations from coastal and glacial sites on James Ross Island, north-eastern Antarctic Peninsula, in the period 2005–2015. The most frequent synoptic pattern with a frequency of 13.7 % was dominated by a low-pressure centre in the north-western Bellingshausen Sea, which extended over the Antarctic Peninsula to the Weddell Sea. On the other hand, the largest interannual variability was observed for a synoptic pattern with a low-pressure centre in the southern Bellingshausen Sea. This synoptic pattern also had the highest air temperature anomalies at both investigated sites year-round. Air temperature anomalies at the lower lying site (Mendel station) were the lowest during a high-pressure ridge dominating the AP Region due to a combination of local and synoptic-scale processes. At the glacial site, however, southerly barrier winds advecting cold air from the ice-covered Weddell Sea during a strong low-pressure system in the Weddell Sea ensured the coldest air temperature anomalies.
ER -
AMBROŽOVÁ, Klára, Kamil LÁSKA a Jan KAVAN. Multi-year assessment of atmospheric circulation and impacts on air temperature variation on James Ross Island, Antarctic Peninsula. \textit{International Journal of Climatology}. Hoboken: Wiley, 2020, roč.~40, č.~3, s.~1526-1541. ISSN~0899-8418. Dostupné z: https://dx.doi.org/10.1002/joc.6285.
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