Academic literature on the topic 'Soil formation Soils Soil formation'

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Journal articles on the topic "Soil formation Soils Soil formation"

1

Yergina, Olena. "Energy and thermodynamic characteristics of soils and substrates of Crimean peninsula." Visnyk of the Lviv University. Series Geography, no. 41 (September 17, 2013): 132–39. http://dx.doi.org/10.30970/vgg.2013.41.1941.

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The basic thermodynamic and energy characteristics substrates soils formations of different ages and soils of the Crimean peninsula considered. In developing strategies for remediation soils suppose to use thermodynamic parameters to assess the potential ability of formations rocks to soil. Proved that the thermodynamic position, process soil formation of autonomous increase energy and thermodynamic characteristics of the substrate on which soils formation. Key words: lattice energy, Gibbs energy, entropy, soil.
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2

Bilanchyn, Yaroslav, and Iryna Leonidova. "Soil formation potential of natural soil formation factors of Zmiiny island." Visnyk of the Lviv University. Series Geography, no. 44 (November 28, 2013): 17–23. http://dx.doi.org/10.30970/vgg.2013.44.1181.

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The article assesses soil formation potential of several factors allocated on Zmiiny island, particularly the climate and atmospheric conditions of the territory, the solid silicate rocks from the island's surface, and the biological factors of soil formation. This assessment derives from analysis of the natural soil formation factors of Zmiiny island, their geo-genetic specifications and role in soil formation. The biological factor is crucial in formation of the uncommonly rich in humus (10–15 % of humus and more) and NPK rich chornozem soils which possess tendency to increase their chornoze
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3

Bilanchyn, Yaroslav, Mykola Tortyk, Iryna Leonidova, and Andrii Buyanovskyy. "Soils of Zmiiny island – a mirror of his landscape ecological past, present and future." Visnyk of the Lviv University. Series Geography, no. 51 (December 27, 2017): 33–42. http://dx.doi.org/10.30970/vgg.2017.51.8735.

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Zmiiny island soils described as a function of a mirror of past, present and future of his landscape and ecological conditions and soil-forming processes. The article estimates the generalized scheme of soil-formation on the on dense acidic rocks of the island that includes gradually changing stages of weathering of rocks and formation of rubble-rocky crust of their weathering and local curuda formation - primitive soil formation - black soil formation under the steppe herbaceous vegetation on areas with a crust of weathering capacity of more than 10–12 cm. The soils profile here usually grows
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4

Chittleborough, DJ. "Formation and pedology of duplex soils." Australian Journal of Experimental Agriculture 32, no. 7 (1992): 815. http://dx.doi.org/10.1071/ea9920815.

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The term 'duplex' was first used by Northcote (1960) in his classification 'A Factual Key for the Recognition of Australian Soils' to describe soils which have an abrupt textural contrast between the surface soil horizons and the subsurface. Chemical, mineralogical and physical properties other than the textural contrast are not diagnostic. It is not surprising therefore, that duplex soils exhibit great diversity in their properties, particularly their genesis and mode of development. Many theories-chemical, physical, biological-have been proposed to explain the origin of duplex soils and the
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5

Jugold, A., F. Althoff, M. Hurkuck, et al. "Non-microbial methane formation in oxic soils." Biogeosciences 9, no. 12 (2012): 5291–301. http://dx.doi.org/10.5194/bg-9-5291-2012.

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Abstract. Methane plays an important role as a radiatively and chemically active gas in our atmosphere. Until recently, sources of atmospheric methane in the biosphere have been attributed to strictly anaerobic microbial processes during degradation of organic matter. However, a large fraction of methane produced in the anoxic soil layers does not reach the atmosphere due to methanotrophic consumption in the overlaying oxic soil. Although methane fluxes from aerobic soils have been observed, an alternative source other than methanogenesis has not been identified thus far. Here we provide evide
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6

Ben-Hur, Meni, and Marcos Lado. "Effect of soil wetting conditions on seal formation, runoff, and soil loss in arid and semiarid soils—a review." Soil Research 46, no. 3 (2008): 191. http://dx.doi.org/10.1071/sr07168.

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Soil surface sealing is one of the main causes for low infiltration rate (IR) and high runoff and soil loss under raindrop impact conditions in arid and semiarid regions. Many studies have focused on the effects of soil properties on seal formation under fast wetting conditions. However, in the field, soils can be exposed to different wetting conditions, before an intense rainfall event, which can affect the role of the soil properties on seal formation. The present paper reviews the effects of different initial wetting conditions and their interactions with soil properties on seal formation,
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7

Levy, Joseph, Andrew Fountain, W. Berry Lyons, and Kathy Welch. "Experimental formation of pore fluids in McMurdo Dry Valleys soils." Antarctic Science 27, no. 2 (2014): 163–71. http://dx.doi.org/10.1017/s0954102014000479.

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AbstractThe aim of the study was to determine if soil salt deliquescence and brine hydration can occur under laboratory conditions using natural McMurdo Dry Valleys soils. The experiment was a laboratory analogue for the formation of isolated patches of hypersaline, damp soil, referred to as ‘wet patches’. Soils were oven dried and then hydrated in one of two humidity chambers: one at 100% relative humidity and the second at 75% relative humidity. Soil hydration is highly variable, and over the course of 20 days of hydration, ranged from increases in water content by mass from 0–16% for 122 so
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8

Hu, Fei Nan, Chao Fu Wei, and Jing Du. "Comparison of Surface Electrochemical Properties between Purple Rocks and their Derived Soils as Related to Pedogenesis." Advanced Materials Research 476-478 (February 2012): 958–64. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.958.

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Soil surface electrochemical properties may have an important effect on soil fertility and genesis. Few researches are available on the changes of surface electrochemical properties of purple soils during the pedogenesis. In present work, four purple rocks and their derived soils under arable, orchard, forest and grass were collected to determine surface electrochemical properties including surface specific area, surface charge quantity, surface charge density, electric field strength, and surface potential using the kinetic method. The results indicated that soil surface specific area and sur
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9

Jugold, A., F. Althoff, M. Hurkuck, M. Greule, J. Lelieveld, and F. Keppler. "Non-microbial methane formation in oxic soils." Biogeosciences Discussions 9, no. 9 (2012): 11961–87. http://dx.doi.org/10.5194/bgd-9-11961-2012.

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Abstract. Methane plays an important role as a radiatively and chemically active gas in our atmosphere. Until recently, sources of atmospheric methane in the biosphere have been attributed to strictly anaerobic microbial processes during degradation of organic matter. However, a large fraction of methane produced in the anoxic soil layers does not reach the atmosphere due to methanotrophic consumption in the overlaying oxic soil. Although methane fluxes from aerobic soils have been observed an alternative source other than methanogenesis has not been identified thus far. Here we provide eviden
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10

Tkachenko, A. N., M. N. Kozachuk, and O. V. Tkachenko. "Morphological properties of underwater soils of river deltas." Dokuchaev Soil Bulletin, no. 99 (December 9, 2019): 62–75. http://dx.doi.org/10.19047/0136-1694-2019-99-62-75.

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The results of the study of the morphological properties of underwater soils in the deltas of the Volga, Don and Kuban rivers are shown. This paper is based on field descriptions of profiles of underwater soils found in deltas. Genetic horizons have been identified, their basic properties (pH, Eh, electrical conductivity, grain size composition, organic carbon content) have been studied and the main types of soils, which are formed under different types of sedimentation and under different types of aquatic vegetation, have been described. Names of horizons and types of soils are given due to t
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