Changes in evaporation patterns and their impact on Climatic Water Balance and river discharges in central Poland, 1961–2020

Arkadiusz Bartczak; Michał Krzemiński; Andrzej Araźny

doi:10.1007/s10113-024-02296-3

Changes in evaporation patterns and their impact on Climatic Water Balance and river discharges in central Poland, 1961–2020

Abstrakt

This study investigates the changes in precipitation and evaporation patterns and their impact on Climatic Water Balance and river discharges in central Poland from 1961 to 2020. The analysis focuses on two “normal” periods, 1961–1990 and 1991–2020 (according to the World Meteorological Organization). Bartlett’s test and the Kruskal–Wallis rank sum test were used to assess the homogeneity of variances and compare distributions of analyzed variables over two “normal” periods. The probability density functions were estimated using a kernel density estimator with a Gaussian kernel function. Significant findings indicate alterations in evaporation rates and shifts in water balance dynamics. Mean evaporation increased from 530.8 to 637.9 mm, leading to a notable decrease in the mean Climatic Water Balance from 1.1 to − 107.5 mm (in the periods 1961–1990 and 1991–2020, respectively). Additionally, rivers showed reduced mean annual discharges (from 4.28 to 3.01 m3·s−1 and 1.25 to 0.87 m3·s−1, for the Zgłowiączka and Skrwa Lewa rivers, respectively). These climatic changes in central Poland have substantial implications for regional water resources, especially in spring and summer and particularly in agricultural areas, potentially exacerbating drought conditions and impacting agricultural productivity mainly in the warm half-year.

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Autorzy (3)

Arkadiusz Bartczak
- Instytut Geografii i Przestrzennego Zagospodarowania PAN
Michał Krzemiński mgr inż.
Andrzej Araźny
- Instytut Nauk O Ziemi i Środowisku UMK

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Kategoria:

Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

Regional Environmental Change nr 24,
ISSN: 1436-3798

Język:

angielski

Rok wydania:

2024

Opis bibliograficzny:

Bartczak A., Krzemiński M., Araźny A.: Changes in evaporation patterns and their impact on Climatic Water Balance and river discharges in central Poland, 1961–2020// Regional Environmental Change -Vol. 24,iss. 3 (2024),

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