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    Wyświetlanie 1-18 z 18
    Tytuł:
    Using of wind erosion equation in GIS
    Autorzy:
    Kozlovsky Dufková, Jana
    Mašíček, Tomáš
    Lackóová, Lenka
    Powiązania:
    https://bibliotekanauki.pl/articles/101414.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    land consolidation
    soil erodibility
    non-erodible soil particles
    climatic factor
    unsheltered distance
    wind barriers
    Opis:
    The vulnerability of soil by wind erosion using the wind erosion equation (WEQ) in geographic information systems (GIS) was demonstrated on the cadastral area of Přísnotice, southeast of the Czech Republic. Raster layers were created for input factors of WEQ and potential soil loss by wind was calculated using the Raster Calculator. Subsequently, map outputs showing the potential vulnerability of soil to wind erosion were made. In the first variant, where the protective effect of the barriers was not taken into account, the wind erosion intensity reached 47.6 t.ha-1.year-1. In the second variant, where the protective effect of the barrier was assumed, the loss of soil was lower, the maximum value was 4.7 t.ha-1.year-1. The soil loss limit was exceeded, even in a situation where a relatively high protective barrier effect has been proposed. The advantage of determining of wind erosion vulnerability using ArcGIS is that it is possible to identify particular parts of soil blocks from the map outputs, which are the most vulnerable. Similarly, it is possible to design a windbreak network and simulate its protective effect using ArcGIS.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2019, II/1; 39-51
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of Windbreak Parameters on the Wind Erosion Risk Assessment in Agricultural Landscape
    Autorzy:
    Kučera, Josef
    Podhrázská, Jana
    Karásek, Petr
    Papaj, Vladimir
    Powiązania:
    https://bibliotekanauki.pl/articles/125326.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    climate change
    agricultural land
    protection zones
    Opis:
    The increasing risk of wind erosion in the context of climate change represents a highly pressing issue. This increase is a result of the growing occurrence of droughts and elevated temperatures in the intensively farmed areas. Effective protection against the wind erosion can be provided by windbreaks, especially during the period when the soil is not protected by the vegetation cover of crops. In this report, the authors wanted to compare the methods defining the windbreak protection zones. The optical porosity and the windbreak height were the basic parameters for defining the protection area. The various methods differ among themselves by using the windbreak height parameter or not. The optical porosity of the windbreaks was determined based on photographic documentation. For the comparison, the cadastral area of Micmanice was selected due to the wide network of windbreaks in this locality. A database of windbreak height and optical porosity for each windbreak was set up. Our report thus presents the application of the new knowledge aimed at updating the methods and procedures for assessing the vulnerability of the area by wind erosion. The application of the method involving the optical porosity and windbreak height parameters resulted in a significant reduction of the windbreak protection zone compared to the method omitting the windbreak height.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 2; 150-156
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zróżnicowanie składu granulometrycznego jako skutek erozji eolicznej gleb lekkich
    Light soil granulometric structure differentiation as result of wind erosion
    Autorzy:
    Czajka, M.
    Podsiadlowski, S.
    Walkowiak, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/886276.pdf
    Data publikacji:
    2008
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    erozja eoliczna zob.erozja wietrzna
    erozja gleb
    erozja wietrzna
    gleby lekkie
    kriging
    sklad granulometryczny
    wies Bablin
    woj.wielkopolskie
    zroznicowanie
    Opis:
    Wind erosion is an important soil structure forming factor. Concerning mostly light soils covering for the most part of the European Plains, including Central Poland. Wind erosion susceptibility depends mostly on the aggregate and granulometric structure of the soil. The aim of the paper is to use geostatistical methods to map the changeability of the granulometric structure of the soil on the experimental fi eld in the case of its great variability, and description of the soil cultivation methods which minimizes loss of soil caused by wind erosion.
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2008, 17, 2[40]
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soil wind erosion characterization in south-eastern Spain using traditional methods in front of an innovative type of dust collector
    Autorzy:
    Guerrero, R.
    Valenzuela, J.L.
    Torres, J.L.
    Lozano, J.
    Asensio, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082948.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    dust collector
    semi-arid environment
    tilled
    soil
    unploughed soil
    wind tunnel
    Opis:
    The movement of soil particles by the wind can be measured using wind tunnels and collectors, or dust traps. We tested both in Southeast Spain in order to compare movement in four types of soil. Our tests were carried out in a well-tilled orchard on an Anthrosol, an unploughed Leptosol and Arenosol, and finally on an olive-cropped Cambisol. We estimated soil loss using a wind tunnel with a built-in laser-scanner, and then compared the results with records from nine vaned masts, each with four big spring number eight collectors at different heights, and the same for another nine masts but with a new type of dust trap known as the multidirectional. The collectors can differentiate between overall loss and particle deposition, which is not detectable on a larger scale in the tunnel. The results from the big spring number eight traps and our wind tunnel showed a high degree of correlation (R² = 0.933) and an even closer correlation with the multidirectional trap (R² = 0.978). Moreover, the new multidirectional trap collectors are very efficient and easy to manufacture from thermoplastic filaments with an industrial 3D printer.
    Źródło:
    International Agrophysics; 2020, 34, 4; 503-510
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laser-scanner used in a wind tunnel to quantify soil erosion
    Autorzy:
    Asensio, C.
    Weber, J.
    Lozano, F.J.
    Mielnik, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082510.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil roughness
    tilled soils
    wind erosion
    soil
    loss
    Opis:
    A methodology was developed in order to estimate wind erosion by comparing the differences in soil loss with a 3D laser scanner inside a wind tunnel, to relate the change in soil micro-relief to soil loss. We evaluated the effectiveness of a low-cost laser scanner in a wind tunnel for examining the winddependent variation in soil surface micro-topography, thereby enabling soil wind erosion to be quantified both quickly and accurately. We, therefore, studied the effect of soil crusting in an intensive horticultural crop, low-tilled soil (once a year) in cereal cultivation, and tilled soil (several times a year) in an ecological citrus orchard, paying attention to the changes occurring when soils are tilled. Moreover, we observed an aggregation effect of CaCO3 in the wind-erodible fraction, a protective effect of surface stoniness against a direct impact of wind and the incidence of soil particle content. Different behaviour, in terms of random roughness, is due to more stones and/or remnant vegetation being highly resistant to wind in Calcisol, Cambisol, Fluvisol and Arenosol plots, thus increasing surface roughness. In Anthrosol and Leptosol plots, on the contrary, initial roughness was due to large unstable and wind-eroded aggregates which resulted in a decreased surface roughness.
    Źródło:
    International Agrophysics; 2019, 33, 2; 227-232
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Concept of Phytomelioration of Open Agricultural Landscape on Example of Wola Idzikowska Village
    Autorzy:
    Przegon, W.
    Rybicki, R.
    Obroślak, R.
    Gabryszuk, J.
    Król, Ż.
    Powiązania:
    https://bibliotekanauki.pl/articles/952472.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    water erosion
    wind erosion,
    phytomelioration
    anti-erosion plantings
    Opis:
    The paper presents the project of land protection from erosion in Wola Idzikowska village. Because of the type of soils and topography, about 37% of the land is threatened by medium and strong water erosion. Due to the lack of windbreak barriers, 70% of the area is threatened by wind erosion. In Wola Idzikowska village in the years of 2004–2006 land consolidation was conducted. Anti-erosion protection systems were designed but never realized. The assessment of causes of this condition, as well as new system of anti-erosion phyto-control works have been done. Afforestation of about 4.1 hectares of land, mostly fallow lands and wastelands was designed. The possibility of introducing 7.60 kilometers of shelterbelts as a windbreak barriers was also shown.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 2; 163-168
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sedimentological analysis of sandy - gravel accumulations, Serra da Estrela plateaux (Portugal)
    Autorzy:
    Vieira, G.T.
    Mycielska-Dowgiałło, E.
    Woronko, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/295228.pdf
    Data publikacji:
    2003
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    wind erosion
    water erosion
    scanning electron microscopy
    Central Cordillera
    Portugal
    Opis:
    Sandy-gravel accumulations are frequent features on the plateaux of the Serra da Estrela II and other granitic mountains in Portugal. Their genesis has been attributed to both eolian and water processes and a detailed sedimentological study is needed to better understand the mechanisms involved. The present paper provides results obtained from the heavy mineral analysis and optical and scanning electron microscope study of samples from two sandy-gravel accumulations from the Serra da Estrela. The results indicate that the finer fractions of the original sediment have been illuviated. A well-sorted surface layer and poorly sorted subsurface of the accumulation have resulted from this process. A very short duration of eolian processes is evident from the analysis. Although wind seems to have been the responsible for the morphology of the accumulation, its action was not enough to produce significant abrasion in the surface of quartz grains.
    Źródło:
    Landform Analysis; 2003, 4; 99-107
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatial Modeling of the Effects of Deflation Destruction of the Steppe Soils of Ukraine
    Autorzy:
    Dudiak, Nataliia Vasylivna
    Pichura, Vitalii Ivanovich
    Potravka, Larisa Aleksandrovna
    Stroganov, Alexander Alexandrovich
    Powiązania:
    https://bibliotekanauki.pl/articles/123298.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    wind erosion
    soil loss
    steppe soils
    geomodeling
    GIS technologies
    ERS
    Opis:
    The decrease in the agricultural efficiency is associated with the influence of wind erosion, the consequence of which is a decrease in the soil fertility. Significant effects of wind erosion are typical of the arid and semi arid zones with a small amount of precipitation, high air temperature and degree of evaporation, reinforced by strong winds and low differentiation of plant protection. It has been proven that the intensity of the effects of deflation processes depends on the physical and geographical conditions of the distribution of agricultural land, systematic soil protection activities and the availability of vegetation. It has been established that the acceleration of the deflation processes occurs in the territories with increased anthropogenic pressure, which leads to ecological disturbance of the natural balance characterizing territorial ecosystems. In the course of the studies it was found that the natural processes of wind erosion are significantly enhanced by the absence of a scientifically-based and ecological land development system of agriculture, which leads to destruction of the soil cover, reduction of soil fertility, damage to the agricultural crops and, thus, the economic damage. As a result of application of the GIS and ERS technologies, the empirical-statistical model of the possible soil loss due to wind erosion in the territory of the Steppe zone of Ukraine, it has been found that in the course of the deflation processes in the territory taken by naked fallow upon the absence of the conditions for the deflation resistance activities, the value of soil loss at the epicenter of dust storms can reach about 600 t / ha. Studies proved the importance of the deflation resistant action of the vegetation cover, which tends to an increase in the erosion dangerous (favorable) areas of agricultural land by 1.7 times, which reduces the soil loss by 5.62 times. In accordance with the intensity of the effects of the deflation processes and the increase of the soil losses, the contour and land development deflation resistance activities with elements of soil protection agriculture were proposed.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 2; 166-177
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Priority Areas for Initiating Land Consolidations Related to Erosion and Water Retention in the Landscape, Czech Republic
    Autorzy:
    Karásek, P.
    Konečná, J.
    Pochop, M.
    Kučera, J.
    Podhrázská, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/124604.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    land consolidation
    rural areas
    water erosion
    wind erosion
    water retention
    GIS
    Opis:
    Land consolidations represent a unique tool for managing the problems of the rural space. They help to settle the land property rights and meet the current requirements associated with the protection and formation of a stable, permanently sustainable rural landscape. In the Czech Republic, complex land consolidations have been completed in 1,965 cadastral areas out of the total 13,100, and in 2,134 more they are in the preparation phase (up to 1st September 2015). It means that about 60% of cadastral areas in CR still await land consolidation. Our study aimed to localize the priority localities (cadastral areas and regions) for preferential implementation of land consolidation. The authors selected three thematic factors to determine the risk of their occurrence in particular localities and, consequently, the need to initiate the land consolidation. The analysis is based on the assumption that the cadastral areas where land consolidations have been completed or are under way have already dealt with the above-mentioned risk factors or will do so soon. Therefore, such areas have not been included into our study. The key selected thematic factors relevant for the preferential implementation of land consolidation include: the risk of water and wind erosion in arable land, water management, and water retention in the landscape. For each of these three factors, a map of preferential localities (based on the degree of risk/suitability) was processed for initiation of land consolidation. At the same time, a simple multi-criteria analysis of the extent of the Czech Republic’s erosion (water and wind) has been prepared. The result of this analysis is the ranking of regions according to the degree of risk of erosion. The most vulnerable regions of the Czech Republic include Jihomoravský (South Moravian Region), Středočeský (Central Bohemia) and Pardubice.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 4; 16-28
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Estimation of wind erosion rates of Mongolian Plateau by using 137Cs tracing technique
    Ocena intensywnosci erozji eolicznej Plaskowyzu Mongolskiego z wykorzystaniem techniki oznaczania 137Cs
    Autorzy:
    Qi, Y
    Liu, J.
    Shi, H.
    Zhuang, D.
    Hu, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/81677.pdf
    Data publikacji:
    2010
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    estimation
    wind erosion
    erosion rate
    Mongolian Plateau
    137Cs tracing technique
    Opis:
    Wind erosion is one of the major environmental problems in semi-arid and arid regions. Here we established a transect from northwest (Tariat, Mongolia) to southeast (Xilingol, Inner Mongolia of China) across the Mongolian Plateau, and selected eight sampling sites along the transect. We then estimated the soil wind erosion rates by using the 137Cs tracing technique and examined their spatial dynamics. In the Mongolia section (from Tariat to Sainshand), the wind erosion rate increased gradually with vegetation type and climatic regimes; the wind erosion process was controlled by physical factors such as annual precipitation and vegetation coverage, etc. While in the China section (Inner Mongolia), the wind erosion rates of Xilinhot, Zhengxiangbai Banner and Taipusi Banner were thrice as much as those of Bayannur of Mongolia, although these four sites were all dominated by typical steppe. Besides the physical factors, higher population density and livestock carrying level should be responsible for the higher wind erosion rates in these regions of Inner Mongolia.
    W pracy przedstawiono wyniki badań intensywności erozji eolicznej Płaskowyżu Mongolskiego, określonej na podstawie ośmiu prób gruntu pobranego wzdłuż transektu o długości około 1400 km, przebiegającego przez teren Mongolii i Chin. Do oceny intensywności erozji wykorzystano technikę oznaczania 137Cs w wierzchnich warstwach gruntu do głębokości 30 cm. Stwierdzono, że intensywność erozji w analizowanym transekcie od północnego-zachodu stopniowo wzrasta wraz ze zmianami reżimu klimatycznego (zmniejszania się rocznej wysokości opadów), a także zmianami pokrycia roślinnego. Chińska część Płaskowyżu o charakterze stepowym jest trzykrotnie bardziej intensywnie erodowana. Oprócz czynników fizycznych, na intensywność procesu erozji eolicznej wpływa większa gęstość zaludnienia Płaskowyżu na terenie Chin, a także większe pogłowie zwierząt hodowlanych.
    Źródło:
    Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation; 2010, 42, 1; 197-208
    0208-5771
    Pojawia się w:
    Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Environmental aspects of soil surface sealing and compaction
    Autorzy:
    Debicki, R
    Lipiec, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/802969.pdf
    Data publikacji:
    1993
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    root system
    soil erosion process
    erosion
    wind erosion
    compaction
    soil surface
    environmental aspect
    plant growth
    physical degradation
    irrigation water
    Opis:
    The paper presents some environmental impacts caused by two important factors of physical degradation of the soil, i.e., soil surface sealing/crusting phenomena and soil compaction. It can be concluded that despite numerous literature on the subject as well as the Authors' own data collected in model laboratory and field experiments, it is still difficult to judge to what extent the effects of those two processes are negative for both the soil environment and the plant growth.
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 1993, 400
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of cellulose polymer mulch on sand stabilization
    Wpływ polimerowego mulczu celulozowego na stabilizację piasku
    Autorzy:
    Abtahi, S. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/945861.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Chemii Przemysłowej
    Tematy:
    biological reclamation
    cellulose polymer mulch
    sand dunes
    wind erosion
    wind tunnel
    rekultywacja biologiczna
    polimerowy mulcz celulozowy
    wydmy
    erozja wiatrowa
    tunel aerodynamiczny
    Opis:
    In this study, the effectiveness of cellulose polymer mulch (CPM) on sand stabilization was evaluated in two kinds of experiment: laboratory and field. Erodibility index in wind tunnel, compressive strength, abrasion resistance, impact resistance and the thickness of layers formed using a solution with various CPM content were measured in the laboratory experiment. According to the results obtained in this part of study, the highest impact resistance and the least erodibility index value were achieved when using the solution with a concentration of 30 % (30 % CPM and 70 % water). In the field experiments, the resistance of mulch used in the amount of 10 and 5 t/ha in sand dunes of Kashan deserts (central Iran) and its impact on the survival and establishment of seedlings and cuttings of Calligonum were investigated over a year. The results showed that CPM has a positive effect on plant establishment. The highest survival was reported for 10 t/ha of mulch treatment in planting with seedlings method.
    Oceniano skuteczność roztworów polimerowego mulczu celulozowego (CPM) stosowanego do stabilizacji piasku. Przeprowadzono dwa rodzaje badań: w laboratorium i w terenie. W laboratorium mierzono wskaźnik wytrzymałości w tunelu aerodynamicznym, wytrzymałość na ściskanie, odporność na ścieranie, odporność na uderzenia i grubość warstw utworzonych po zastosowaniu roztworów o różnych stężeniach CPM. Najwyższą odporność na uderzenia i najmniejszą wartość wskaźnika erozji uzyskano w przypadku roztworów o stężeniu 30 % (30 % CPM i 70 % wody). W ramach badań terenowych, przez rok badano odporność mulczu dozowanego w ilości 10 i 5 t/ha na wydmach pustyni Kashan (centralny Iran) oraz jego wpływ na przeżycie i rozwój sadzonek Calligonum. Wyniki dowiodły, że CPM ma pozytywny wpływ na badane rośliny, a najdłuższe przeżycie sadzonek odnotowano po zastosowaniu mulczu w ilości 10 t/ha.
    Źródło:
    Polimery; 2017, 62, 10; 757-763
    0032-2725
    Pojawia się w:
    Polimery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Environmental and economic effects of water and deflation destruction of steppe soil in Ukraine
    Autorzy:
    Dudiak, Nataliia
    Pichura, Vitalii
    Potravka, Larisa
    Stratichuk, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1841975.pdf
    Data publikacji:
    2021
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    adaptive and landscape erosion control design
    environmental and economic consequences
    erodibility of soil
    geomodeling
    GIS-technologies
    steppe zone
    water erosion
    wind erosion
    Opis:
    Water and wind erosion are the most powerful factors in the decrease of soil fertility and a threat to food security. The study was conducted on the steppe zone in Ukraine (total area of 167.4 thous. km2), including agricultural land (131.6 thous. km2). At the first stage, the modeling of spatial differentiation of water and wind erosion manifestations was carried out to calculate losses of soil (Mg∙ha–1) and to determine their degradation. At the second stage, soil-climatic bonitet of zonal soils (points) is carried out to determine their natural fertility (Mg∙ha–1). At the third stage, the spatial adjustment of the natural soil fertility to the negative effect of erosion was carried out. This made it possible to calculate crop losses and total financial losses due to water and wind erosion. The integrated spatial modeling showed that about 68.7% of arable land was constantly affected by the combined erosion, in particular the area of low eroded arable land (16.8%), and medium and highly eroded land (22.1%). Due to erodibility of soil, about 23.3% of agricultural land transferred from the category of high and medium quality to medium, low and very low quality, which is caused by the loss of soil fertility of up to 70%, crop losses of up to 1.93 Mg∙ha–1 ha–1 and eduction of agricultural income up to 390 USD∙ha–1. In the steppe region under the research, gross crop losses from erosion were up to 15.11 thous. Mg∙ha–1 (3.05 mln USD). In order to protect soils, improve fertility and increase crop yields in the steppe zone in Ukraine, the following measures were suggested: adaptive and landscape erosion control design with elements of conservation farming in accordance with the spatial differentiation of soil quality and extent of water erosion deflation danger.
    Źródło:
    Journal of Water and Land Development; 2021, 50; 10-26
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reclassifying Polish soil-agricultural maps into USDA-compliant PTG2008 soil textural classification. consequence for modelling environmental phenomena examplified by wind erosion
    Dostosowanie polskich map glebowo -rolniczych w zakresie klasyfikacji uziarnienia gleb wg PTG2008 do systemu USDA
    Autorzy:
    Wawer, R.
    Nowocien, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/905560.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Opis:
    This paper is a side effect of preparing international publications on our long term research on soils’ susceptibility to wind erosion. For the paper to be internationally understandable we had to translate the texture classes from the Polish soil-agricultural maps (PTG1974), used as a basis to derive ten soil units investigated in the experiments, into the widely recognised USDA classification. We spotted that the PTG1974 classes of sandy soils, falling into USDA single SAND class, have large, reaching 1620% difference in deflation rates, 25% in the case of LOAMY SAND and SANDY LOAM class the difference was 300%. The differences of this magnitude within a single textural class imply that the USDA classes may be too general to be used in some domains of environmental modelling. This also implies that translating soil kinds (soil textural classes) in Polish soil-agricultural maps into the USDA textural classes is not rational and may lead to the loss of spatial variability of soil cover and the loss of credibility in modelling of environmental phenomena.
    Niniejszy artykuł traktuje o niekorzystnych efektach generalizacji gatunków gleb obecnych na mapie glebowo-rolniczej na przykładzie badań nad erozją wietrzną gleb. Przypadkiem, w czasie przygotowywania danych do publikacji w międzynarodowym czasopiśmie, odkryliśmy, że generalizując gatunki gleb obecne w mapie glebowo-rolniczej na klasyfikację USDA według reguły opublikowanej przez PTG w 2008 roku, tracimy zróżnicowanie w podatności gleb na erozję wietrzną, występujące naturalnie między gatunkami PTG 1974 ujętymi w obrębie jednej klasy USDA. W klasie piasku USDA, która łączy w sobie pl i ps z klasyfikacji PTG 1974, zakres różnic w deflacji zaobserwowanej w wyniku bezpośrednich pomiarów doświadczalnych sięga 1620%, w klasie USDA piasku gliniastego: 25% zaś w klasie USDA gliny piaszczystej – 300%. Przy różnicach tej wielkości w obrębie jednej klasy USDA należałoby bardzo ostrożnie podchodzić do projektowania doświadczeń polowych jak również przygotowania danych do modelowania procesów, pozostając przy klasyfikacji PTG1974, na której oparte są mapy glebowo-rolnicze a nie bezpośrednio na klasyfikacji USDA. Również przy statystycznej obróbce wyników i dyskusji wskazanym byłoby podawać oryginalne nazwy gatunków gleb wg PTG 1974 obok odpowiadających im klas USDA.
    Źródło:
    Polish Journal of Soil Science; 2015, 48, 2
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Umacnianie i zagospodarowanie w pasie drogowym skarp dewastowanych przez erozję wodną i wietrzną
    Revetement and land developement of slopes in cariageway destructed by wind and water erosion
    Autorzy:
    Nowocień, E.
    Gałażewski, M.
    Piechowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/953648.pdf
    Data publikacji:
    2016
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Komunikacji Rzeczpospolitej Polskiej
    Tematy:
    erozja
    skarpa
    umacnianie skarp
    hydroobsiew
    erosion
    slope
    slope revetement
    hydroseedeng
    Opis:
    Budowa autostrad, obwodnic oraz modernizacja dróg szybkiego ruchu pociąga za sobą drastyczną ingerencję w środowisko naturalne. Liniowe drogowe budowle ziemne, w tym zwłaszcza skarpy drogowe są narażone na erozję powierzchniową w trakcie ich budowy (formowania) oraz późniejszego eksploatowania (gwarancja, rękojmia. Dlatego istotne jest, aby skutecznie chronić powierzchnie skarp przed działaniem czynników denudacyjnych. Wody opadowe z nawierzchni drogowych nie mogą bezpośrednio spływać na nie umocnione pobocza gruntowe i skarpy (rys.16). Skarpy muszą być umocnione techniczno-biologicznie wraz z wykonaniem podbudowy, natomiast wegetacja trawy na skarpach powinny być na etapie rozwoju trzeciego listka. Należy również systematycznie wykonywać zabiegi pratotechniczne (podsiewy, użyźnianie i koszenie).
    Construction of roads by passes and express roads drastically impacts natural environment. During construction and then operation of all road earth structures, especially road slopes, are exposed to the process of surface erosion.. That is why the effective protection of slope surface against negative impact of denudation factors is very important. Rain water cannot run-off directly from road surfaces on non-reinforced ground shoulders or slopes. Together with road earthworks, technical and biological revetment of shoulders must be made, and vegetation of grass on the slopes should be developed up to three-leaf stage. Aslo pratotechnic works (seedind, fertilization, mowing) should be done regularly .
    Źródło:
    Drogownictwo; 2016, 1; 22-32
    0012-6357
    Pojawia się w:
    Drogownictwo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    CFD simulation on wind turbine blades with leading edge erosion
    Autorzy:
    Wang, Yan
    Wang, Liang
    Duan, Chenglin
    Zheng, Jian
    Liu, Zhe
    Ma, Gaosheng
    Powiązania:
    https://bibliotekanauki.pl/articles/2055055.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    wind turbine
    leading edge erosion
    flow field structure
    aerodynamic performance
    Opis:
    Deep understanding on the impacts of leading edge erosion on the performance and flow characteristics of wind turbines is significant for the blade design and wind farms manage- ment. Pitting erosion and three levels of delamination are considered in the present study. The results show that the degrees of leading edge erosion have great influence on the flow separation, tangential force coefficient, normal force coefficient as well as the power output of the wind turbine. Leading edge erosion has the greatest impact on aerodynamics of the wind turbine at 15m/s, where the maximum loss in the power output can reach up to 73.26%.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2021, 59, 4; 579--593
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hydrometeorological causes of shore erosion along the polish coastline
    Autorzy:
    Boniecka, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1920538.pdf
    Data publikacji:
    2000
    Wydawca:
    Instytut Morski w Gdańsku
    Tematy:
    shore erosion
    wind
    Opis:
    Analysis of hydrometeorological data and of hypsometric measurements of the Hel Peninsula shore from the years 1989-1997 allowed determination of statistical relationships between averaged hydrometeorological parameters and morphological parameters of the shore. The significant relationship found between mean wind speed and sea level allowed an evaluation of their influence on the Peninsula 's shore. It is shown that long-term sealevel changes result in much stronger reaction of the shore than changes of wind speed. Quantitative relationships between the changes of hydrometeorological factors and the progress of erosion of dune coasts are presented on the example of the Hl Peninsula.
    Źródło:
    Biuletyn Instytutu Morskiego w Gdańsku; 2000, 27, 2; 37-49
    1230-7424
    2450-5536
    Pojawia się w:
    Biuletyn Instytutu Morskiego w Gdańsku
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gone with water and wind: The threat to the earthworks of Altheim
    Autorzy:
    Saile, Thomas
    Tinapp, Christian
    Powiązania:
    https://bibliotekanauki.pl/articles/1202249.pdf
    Data publikacji:
    2019
    Wydawca:
    Narodowy Instytut Dziedzictwa
    Tematy:
    Soil erosion
    loess
    Luvisol (para-brown earth)
    para-rendzina
    Altheim culture
    Bavaria.
    Opis:
    Excavation photos of the earthwork of Altheim from 1914 show a fully-developed Luvisol (para-brown earth). In 2012, fieldwork recommenced at the site and revealed a second ditched enclosure as well as the serious impact of soil erosion: In the course of a century about 0.4 m of the ditch feature has been lost. In comparison with the total amount of erosion since the creation of the earthwork in the 37th/36th century BC the loss of soil material has dramatically accelerated during the past century.
    Źródło:
    Raport; 2019, 14; 121-124
    2300-0511
    Pojawia się w:
    Raport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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