Relationships between sunshine duration and air temperature in Poland

Author:

Matuszko Dorota1ORCID,Bartoszek Krzysztof2ORCID,Soroka Jakub3ORCID

Affiliation:

1. Department of Climatology, Institute of Geography and Spatial Management Jagiellonian University

2. Department of Meteorology and Climatology Institute of Earth and Environmental Sciences Maria Curie-Skłodowska University

3. Institute of Meteorology and Water Management National Research Institute

Abstract

The aim of the paper is to characterize the trends of sunshine duration (SDU) and air temperature in Poland, which may help understand the mechanism of contemporary climate change. The daily totals of SDU and daily data on air temperature from the years 1971-2020, from 25 synoptic stations in Poland are the basic source data. The series of records of the two variables showed that the points of change in the level of stabilization of the value of SDU and air temperature are close to each other, and confirm known in the literature “global dimming” and “global brightening” periods. The linear regression model confirmed that sunshine duration explains well the variability of, and increase in day-time air temperature in Poland in the warm part of the year.

Publisher

Institute of Geography and Spatial Organization, Polish Academy of Sciences

Subject

General Earth and Planetary Sciences,Geography, Planning and Development,Urban Studies,Cultural Studies

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