Hydrological Dry Periods versus Atmospheric Circulations in the Lower Vistula Basin (Poland) in 1954–2018 - Publication - Bridge of Knowledge

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Hydrological Dry Periods versus Atmospheric Circulations in the Lower Vistula Basin (Poland) in 1954–2018

Abstract

The paper discusses the impact of atmospheric circulation on the occurrence of droughts. The research in-cludes mean monthly discharges for 7 rivers in 1954-2018. Dry periods were determined with Standardised Streamflow Indices (SSI-12). Additionally, the circulation type calendar for Central Poland was used to determine the atmospheric circulation indices: western zonal (W), southern meridional (S) and cyclonicity (C). The analyses indicated a variation in the duration and intensity of droughts in the rivers. 2014-2017 was the driest period with the lowest SSI-12 for most rivers and the highest number of extremely dry months. The advection of air from the West and the South prevailed and anticyclonic synoptic situations dominated over the cyclonic types. Drought spells occurred at a dominance of anticyclonic circulation, with the inflow of air from the North and with increased western zonal circulation.

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Authors (4)

Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Quaestiones Geographicae no. 41, pages 107 - 125,
ISSN: 2082-2103
Language:
English
Publication year:
2022
Bibliographic description:
Bartczak A., Araźny A., Krzemiński M., Maszewski R.: Hydrological Dry Periods versus Atmospheric Circulations in the Lower Vistula Basin (Poland) in 1954–2018// Quaestiones Geographicae -Vol. 41,iss. 1 (2022), s.107-125
DOI:
Digital Object Identifier (open in new tab) 10.2478/quageo-2022-0008
Sources of funding:
  • Free publication
Verified by:
Gdańsk University of Technology

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