What is it about?
The results show that a rising temperature, along with small precipitation increase, led to the accelerated ET of 1.36 mm/y. This was revealed by increased transpiration and interception loss not compensated by a decrease in bare soil evaporation and sublimation. The wide-spread higher water consumption especially occurred during the summer months of June, July, and August. Comparing the two subperiods of 1980–2020, it was found that in 2007–2020, the annual ET increased by 7% compared to the reference period of 1980–2006. These results can serve as an important reference for formulating a water resources management strategy in Poland.
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Why is it important?
Increased terrestrial evaporation increases the water stresses.
Perspectives
This study evaluated the magnitude and multi-year trends in terrestrial evaporation and its components across Poland. Benefitting from the novel satellite observations assimilated to GLEAM, together with the reanalysis data used as the model forcing, it was found that most of Poland experienced significant terrestrial evaporation increases from 1980 to 2020. The warmer climate, along with a small precipitation increase, led to increased vegetation activity. This was revealed by increased transpiration and interception loss not compensated by a decrease in bare soil evaporation and sublimation. The enhanced vegetation activity was manifested by the wide-spread higher water consumption, especially during the summer months of June, July, and August.
Urszula Somorowska
University of Warsaw
Read the Original
This page is a summary of: Changes in Terrestrial Evaporation across Poland over the Past Four Decades Dominated by Increases in Summer Months, Resources, January 2022, MDPI AG,
DOI: 10.3390/resources11010006.
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