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- Title
The atmospheric circulation patterns during dry periods in Lithuania.
- Authors
RIMKUS, EGIDIJUS; KAŽYS, JUSTAS; VALIUKAS, DONATAS; STANKŪNAVIČIUS, GINTAUTAS
- Abstract
This paper reveals the atmospheric circulation patterns during dry periods in Lithuania. The research covers the period from 1961 to 2010. Atmospheric circulation features were analysed using the Hess and Brezowski classification of macro-circulation forms, NAO and AO indices, a 500 hPa geopotential height field and the Tibaldi-Molteni blocking index. Different phases of the dry period (developing, persisting and attenuation) were evaluated individually. Also, the regional differences of dry period formation were investigated. In general dry periods are determined by a decrease in zonal and an increase in meridional circulation forms as well as the atmospheric blocking process over the Baltic region
- Subjects
LITHUANIA; BALTIC Sea Region; ATMOSPHERIC circulation; DROUGHTS; NORTH Atlantic oscillation; BLOCKING (Meteorology); GEOPOTENTIAL height
- Publication
Oceanologia, 2014, Vol 56, Issue 2, p223
- ISSN
0078-3234
- Publication type
Article
- DOI
10.5697/oc.56-2.223