Autor: Mazur, Artur - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Development of the Edge of the Gully in the Zone Adjacent to the Field
Autorzy:: Rybicki, Roman
Obroślak, Radomir
Mazur, Andrzej
Grzywna, Antoni
Serafin, Artur
Powiązania:: https://bibliotekanauki.pl/articles/124101.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: gully erosion
gully development
Sandomierz Upland
Opis:: The development of the side arm edge of the valley-gully in Gałkowice village in the Dwikozy commune (the Opatówka catchment in the Sandomierz Upland) was investigated during the period from 2002 to 2017. An increase of fragmentation of the gully edge was found. Most of the pre-existing erosive indents increased in size (maximum of 2.8 m – about 0.2 m per year). An increase in the area of the gully by 145 m² was found. As a result, the boundary of plow tillage shifted to an average of 1.5 to 2 meters (maximum 3.8 m), which resulted in a loss of 545 m² of adjacent arable land. As the main reason for the development of the analyzed section of the gully, meltwater flows were considered.
Źródło:: Journal of Ecological Engineering; 2019, 20, 1; 238-244
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The analysis of spatial variability of precipitation in Poland in the multiyears 1981–2010
Autorzy:: Grzywna, Antoni
Bochniak, Andrzej
Ziernicka-Wojtaszek, Agnieszka
Krużel, Joanna
Jóźwiakowski, Krzysztof
Wałęga, Andrzej
Ciupak, Agnieszka
Mazur, Andrzej
Obroślak, Radomir
Serafin, Artur
Powiązania:: https://bibliotekanauki.pl/articles/292589.pdf
Data publikacji:: 2020
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: climate change
kriging
Polska
precipitation
spatial variability
water resources
Opis:: The purpose of the paper is to analyze the spatial variability of precipitation in Poland in the years 1981–2010. The average annual rainfall was 607 mm. Precipitation in Poland is characterized by high spatial and temporal variability. The lowest annual precipitation was recorded in the central part of the country, where they equaled 500 mm. The highest annual precipitation totals were determined in the south, equaling 970 mm. The average precipitation in the summer half-year is 382 mm (63% of the annual total). On the basis of data from 53 climate stations, maps were made of the spatial distribution of precipitation for the period of the year and winter and summer half-year. The kriging method was used to map rainfall distribution in Poland. In the case study, cross-validation was used to compare the prediction performances of three periods. Kriging, with exponential type of semivariogram, gave the best performance in the statistical sense. Their application is justices especially in areas where landform is very complex. In accordance with the assumptions, the mean prediction error (ME), mean standardized prediction error (MSE), and root mean-square standardized prediction error (RMSSE) values are approximately zero, and root-mean-square prediction error (RMSE) and average standard error (ASE) reach values well below 100.
Źródło:: Journal of Water and Land Development; 2020, 46; 105-111
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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