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Articoli di riviste sul tema "Sandy"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Kryvulchenko, Anatolii. "Oleshkivski Sands as a hierarchically built natural system." Visnyk of the Lviv University. Series Geography 53 (December 18, 2019): 197–209. http://dx.doi.org/10.30970/vgg.2019.53.10666.

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Оleshkivski Sands (Oleshia) are one of the morphosculptures on the Left bank of the lower part of Dnipro river, which is formed on alluvial and periglacial deposits. The article clearly identifies the location of these sands among other morphosculptures of the Left bank of the lower part of Dnipro. In view of the ambiguity, two regions of the Left Bank are considered separately – nearby arenian sandy-loamy geocomplexes with the presence of extremely specific sandy hilly-depressions geocomplexes and the territory of the hilly-lowland plain (Kardashynka lowland), which is located between the Dni

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2

Dulepova, N. A., and A. Yu Korolyuk. "Psammophyte vegetation of the Selenga river basin (Republic of Buryatia)." Vegetation of Russia, no. 27 (2015): 78–95. http://dx.doi.org/10.31111/vegrus/2015.27.78.

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Modern aeolian relief is widespread in the forest-steppe landscapes of Transbaikalia. Valleys of the Selenga River and its inflows are the areas covered by ancient sandy deposits. Human impact in dry climatic conditions causes intensive wind erosion and formation of open and moving sands covered with sparse plants. The flora and vegetation of such landscapes notably differ from surrounding territories. It’s particularity is caused by presence and domination of plant species usually seen on open sands. Despite of numerous publications describing the sandy dunes of Transbaikalia, the psammophyte

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3

DIMA, Milica, Aurelia DIACONU, Florentina NETCU, Cornel NETCU, and Emilia CONSTANTINESCU. "PRELIMINARY RESULTS REGARDING THE BEHAVIOR OF THE CASSIA ANGUSTIFOLIA VAHL. SPECIES ON THE SANDY SOILS OF THE SOUTH OF OLTENIA." "Annals of the University of Craiova - Agriculture Montanology Cadastre Series " 54, no. 1 (2024): 100–106. https://doi.org/10.52846/aamc.v54i1.1543.

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The research carried out had as its objective the introduction of some valuable medicinal and aromatic plant species into cultivation on sandy soils and aimed at enriching the collection of medicinal and aromatic plants existing at the Research Development Station Plant Culture Sands Dăbuleni .The behavior of the Cassia angustifolia Vahl. (senna) species on sandy soils was monitored in 2024 within the framework of Project 1.2.2,, Diversification of the assortment of medicinal, aromatic and Jerusalem artichoke plant species cultivated on sandy soils,, funded by Ministry of Agriculture and Rural

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4

Thevanayagam, S., T. Shenthan, S. Mohan, and J. Liang. "Undrained Fragility of Clean Sands, Silty Sands, and Sandy Silts." Journal of Geotechnical and Geoenvironmental Engineering 128, no. 10 (2002): 849–59. http://dx.doi.org/10.1061/(asce)1090-0241(2002)128:10(849).

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5

Udoh, B. T., and T. O. Ibia. "Fertility capability classification for agricultural land use planning in the beach sands area of Akwa Ibom State, Nigeria." Agro-Science 21, no. 2 (2022): 74–78. http://dx.doi.org/10.4314/as.v21i2.8.

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Soil survey and fertility capability classification (FCC) were carried out in an area mostly underlain by the beach ridge sands (BRS) parent material in Akwa Ibom State, Nigeria. The study applied the FCC in agricultural land use planning for efficient land management and optimal agricultural productivity of the beach soils. Field and laboratory data were obtained from 40 pedons located across eight Local Government Areas on the BRS parent material. From the results of field and laboratory studies, 11 FCC units were identified in the area. Based on similarities in certain soil profile characte

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6

Ismai, Ali H., and Hussein Ga Al-kellabi. "Assessment of Water Use Efficiency in Fields: Impact of Water Depletion Levels and Soil Textures on Zea Mays." Natural and Engineering Sciences 10, no. 1 (2025): 31–40. https://doi.org/10.28978/nesciences.1606425.

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Global water shortage is a major problem that needs for efficient irrigation management to provide food security and sustainable agriculture. n experiment was carried out in the fall of 2023 in Al-Musayyib, Babylon Governorate, Iraq. The aim of this work was to investigate how soil texture and irrigation depletion levels (I1 = 75% and I2 = 50%) affected the performance of the maize crop. The soil textures at the experimental site are sandy, loamy, sandy loam, and clay loam. Sandy loam soils (T1) had the greatest total excess water depth (I1) at 75% water depletion (I1), followed by sandy soils

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7

Syvyj, M., and B. Gavrychok. "Construction sands of Podillya: patterns of distribution, resources and use." Journal of Geology, Geography and Geoecology 27, no. 3 (2019): 510–19. http://dx.doi.org/10.15421/111875.

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This article presents the characteristics of the resource base of building sands within the three Podillya regions, the patterns of sands distribution, and proposals for increasing the extraction of raw materials . The construction sands of Podillya are confined to the Upper Cretaceous, Neogene and Anthropogenicdeposits. The decrease of the thickness of the sandy strata of the Opilsk Neogene suite in the eastern direction was observed with the simultaneous increase in the thickness of the overlapping strata of the rocks. There is no apparent correlation between the thickness of sandy interlaye

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8

Bulokhov, A. D., and A. M. Petrenko. "Communities of the class Koelerio-Corynephoretea Klika in Klika et Novák 1941 in the Bryansk region of Russia." Vegetation of Russia, no. 30 (2017): 29–34. http://dx.doi.org/10.31111/vegrus/2017.30.29.

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Only few publications on the classification of vegetation of Koelerio–Corynephoretea canescentis Klika in Klika et Novák1941 class, that unites pioneer communities on sandy soils, dunes or an exposed sands, is known for Bryansk region of Russia (Bulokhov, 2001; Bulokhov, Kharin, 2008). This region is located in the western part of the East European plain, on the watershed of two large river (Dnieper and Volga) systems, occupying the central part of the Desna river pool and the woody watershed between Desna and Oka. The territory (34.9 thousand кm2) is extended from the west to the east on 270

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9

Thevanayagam, S., K. Ravishankar, and S. Mohan. "Steady-State Strength, Relative Density, and Fines Content Relationship for Sands." Transportation Research Record: Journal of the Transportation Research Board 1547, no. 1 (1996): 61–67. http://dx.doi.org/10.1177/0361198196154700109.

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The appropriate choice of shear strength of liquefied sands is an important component in seismic slope stability evaluation. Several factors affect the undrained steady-state strength (Sus) of sands. The steady-state strengths of 24 sandy soils were analyzed. It is shown that fines content, relative density, and friction angle play important roles affecting Sus. Fines content was found to be the major factor affecting Sus. This was verified experimentally for one sand. When the Sus. data for sands were grouped into (a) relatively clean sands (<12 percent fines), (b) silty sands (12 to 50 pe

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10

Aronsohn, Richard B. "“Sandy”." American Journal of Cosmetic Surgery 14, no. 2 (1997): 208. http://dx.doi.org/10.1177/074880689701400222.

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11

Rogerson, Andrew, Fiona Hannah, Gwen Hauer, and Phillip Cowie. "Numbers of naked amoebae inhabiting the intertidal zone of two geographically separate sandy beaches." Journal of the Marine Biological Association of the United Kingdom 80, no. 4 (2000): 731–32. http://dx.doi.org/10.1017/s0025315400002563.

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Numbers of naked amoebae (Gymnamoebae) inhabiting the lower intertidal zone of two sandy beaches were estimated using a novel enrichment cultivation method. Samples were collected between June and September, 1999. Beach sand at Kames Bay, Isle of Cumbrae, Scotland contained on average 2604 amoebae cm−3 while at Dania Beach, Florida, USA, sand harboured 4236 amoebae cm−3. This is the first study to focus on the abundance of naked amoebae inhabiting a sandy beach. These numbers are higher than densities generally reported for shallow subtidal sands and show that amoebae must be considered in fut

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12

Mangushev, Rashid, Alina Kvashuk, Alexandra Vagurina, and Ilya Kulyashov. "THE RESEARCH OF AN IMPACT IN STRENGTH CHARACTERISTICS OF OIL-CONTAMINATED SANDY SOILS." International Journal for Computational Civil and Structural Engineering 20, no. 4 (2024): 172–85. https://doi.org/10.22337/2587-9618-2024-20-4-172-185.

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A review of existing studies by domestic and foreign authors on changes in the angle of internal friction of sandy soils contaminated with oil products is provided. The main experimentally confirmed results of studies of the angle of internal friction of sandy soils interacting with oil products are outlined. Laboratory tests were conducted to determine the strength characteristics of sandy soils contaminated with oil products using the in-plane shear method. Coarse, medium and fine sands contaminated with A-95 gasoline, diesel fuel, and heavy oil at a concentration of 0-12% by dry soil weight

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13

Chen, Jiale, Yingfeng Xie, Tong Wang, et al. "Seismic Prediction of Shallow Unconsolidated Sand in Deepwater Areas." Journal of Marine Science and Engineering 13, no. 6 (2025): 1044. https://doi.org/10.3390/jmse13061044.

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Recently, shallow gas fields and hydrate-bearing sand in the deepwater area of the northern South China Sea have been successively discovered, and the accurate prediction of shallow sands is an important foundation. However, most of the current prediction methods are mainly for deep oil and gas reservoirs. Compared with those reservoirs with high degree of consolidation, shallow sandy reservoirs are loose and unconsolidated, whose geophysical characteristics are not well understood. This paper analyzes the logging data of shallow sandy reservoirs recovered in the South China Sea recently, whic

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14

Amador, Elmo Da Silva. "Geologia e Geomorfologia da Planície Costeira da Praia do Sul: Ilha Grande - Uma Contribuição à Elaboração do Plano Diretor da Reserva Biológica." Anuário do Instituto de Geociências 11 (January 1, 1987): 35–58. http://dx.doi.org/10.11137/1987_0_35-58.

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Based on stratigraphical, sedimentological and geomorphological methods, a preliminary stratigraphic division is proposed to the Praia do Sul coastal plain, a state Biological Reserve, located in "Ilha Grande", Rio de Janeiro. This reserve was created to preserve the natural ecosystems found therein (sandy coastal plain, mangrove, lagoon, rocky coast and hillside fo rest). The Praia do Sul sedimentation plain is essentially constituted by continental gravels and sands of Upper Pleistocene, marine sandy formations, fluvial-lagoonal sandy-clayer formations and present mangrove swamps and beachs.

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15

Deshcherevskaya, E. V., and O. V. Pavlenko. "Response of Sandy and Clayey Soils to Weak And Strong Seismic Loading." Физика земли 2023, no. 4 (2023): 146–62. http://dx.doi.org/10.31857/s000233372304004x.

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The response of sandy and clayey near-surface soils representing the classes of noncohesive and cohesive soils to seismic loading of various intensities is analyzed from the in situ data —from the records by vertical groups of the Japanese nationwide KiK-net strong motion seismograph network. For the analysis, out of a total of ~800 stations, we selected five stations with near-surface sandy soils and five stations with near-surface clayey soils, most purely represented in the upper layers. Using the method (Pavlenko and Irikura, 2003), we have constructed and analyzed the models of strong gro

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16

Toé Bi, Kizito Katel Kahou, N’goran Jean-Paul Yao, Touvalé Marcel Kessé, and Zéli Bruno Digbéhi. "Caracterisation Sedimentologique Et Hydrodynamique Des Formations Sableuses Du Miocene Inferieur De La Region D’eboinda (Sud-Est De La Cote d’Ivoire)." European Scientific Journal, ESJ 12, no. 9 (2016): 192. http://dx.doi.org/10.19044/esj.2016.v12n9p192.

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Five hundred and five (505) cuttings samples of 51 survey (of 10 m depth maximum) drilled in Eboinda area (South-western of Côte d’Ivoire) were subject to lithological, mineralogical an granulometry studies in order to clarify the nature of sediments and factors and processes involved during their transport and deposition. The "Surfer" software helps to map the formations. The results indicate: - lithologically:, six mains facies were defined ; sandy clays with gravel, clayey sand, sands, siltyey clay, sandy clays and clay. Sandy sediments were mapped to north and clayed one in south of the st

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17

Chmiel, Stanisław, Stanisław Hałas, Sławomir Głowacki, Joanna Sposób, Ewa Maciejewska, and Andrzej Trembaczowski. "Concentration of soil CO2 as an indicator of the decalcification rate after liming treatment." International Agrophysics 30, no. 2 (2016): 143–50. http://dx.doi.org/10.1515/intag-2015-0085.

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Abstract This paper presents the results of investigation of decalcification of acid sandy and loamy sand soils by infiltration waters, and potential Ca-leaching after liming treatment. For this purpose, monthly measurements were made of the concentration of CO2 in the soil air, dissolved inorganic carbon in the soil waters, and their ionic composition. The determined dissolved inorganic carbon ranged from 5.9 to 10.6 mg dm−3 and from 9.9 to 16.5 mg dm−3 for the sandy and loamy sand soil, respectively. The Ca concentration in soil waters was determined as 5.9-12.4 mg dm−3 in sandy soil and 14.

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18

Likhanova, I. A., E. G. Kuznetsova, Yu V. Kholopov, S. V. Deneva, and E. M. Lapteva. "Primary pedogenesis on different texture substrates in post-technogenic ecosystems of the taiga zone." Theoretical and Applied Ecology, no. 1 (March 25, 2024): 122–30. http://dx.doi.org/10.25750/1995-4301-2024-1-122-130.

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The paper focuses on the primary soil formation under automorphic conditions in the middle taiga sub-zone of the European North-East of Russia (Komi Republic) on the post-technogenic territories (quarries for the extraction of minerals (construction sand)) with different soil materials (ancient alluvial sands; fluvioglacial sands and sandy loams, moraine loams). In the quarries, the processes of soil formation and vegetation cover development are interdependent and are affected by the properties of soil-forming rocks. Along with the improvement of soil properties (from sandy loam to loam), the

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19

Lange, Ivan, Pavel Kotiukov, and Yana Lebedeva. "Analyzing Physical-Mechanical and Hydrophysical Properties of Sandy Soils Exposed to Long-Term Hydrocarbon Contamination." Sustainability 15, no. 4 (2023): 3599. http://dx.doi.org/10.3390/su15043599.

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This paper aims to investigate the issue of sandy soil contamination by oil hydrocarbons. Laboratory procedures used to study conditionally pure and contaminated sands include grain-size measurements and evaluation of physical-mechanical and hydrophysical properties. The results of the analysis of sand samples using visual and microscopic studies and sieve analysis show that, unlike in conditionally pure sands, in contaminated samples, the surface of mineral particles is covered by hydrocarbon film. The presence of the latter enables micro- and macroaggregates to be formed. Studies of the phys

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20

Purna Chander Reddy, N., and N. V. N. Durga Prasada Rao. "A Mid Holocene Strandline Deposit on the Inner Shelf of Cochin, West Coast of India." Journal Geological Society of India 39, no. 3 (1992): 205–11. http://dx.doi.org/10.17491/jgsi/1992/390305.

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Abstract Beach sediments with a phi mean size varying from 1.07 to 2.9 are well to moderately sorted and to a great extent negatively skewed. On the inner shelf, the sediments exhibit a wide range (0.9φ and 10φ) in mean grain-size. While most of the inner shelf is covered with fine silts and clays, sandy sediments occupy a linear belt in the outer parts (-25 to -30 m) of the shelf. These moderately sorted sands are considered to be relict and deposited during a standstill of the Holocene transgression. The CM pattern suggests that the sandy sediments in the inner shelf like the beach sands wer

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21

Yatsyshyn, Andriy, Maciej Bąbe, Danuta Olszewska-Nejber, Andriy Bogucki, and Stephania Vas’kiv. "Lithological and sedimentological characteristics of the alluvium of the sixth terrace of the Dniester river (Loyeva level) in the Torhanovychi 2 section." Visnyk of the Lviv University. Series Geography, no. 41 (September 17, 2013): 382–95. http://dx.doi.org/10.30970/vgg.2013.41.2011.

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The main lithological characteristics of the alluvium of the sandy-gravelly bed of the sixth terrace of the Dniester river (Loyeva level) at environs of Sambir was analysed, in particular textural elements, granulometric and petrographic composition of the gravelly material (enclosing coarse sands, granules, pebbles, cobbles and boulders), its roundness, and the orientation of grains. The conditions of sedimentation of the studied alluvial sandy-gravelly bed of the sixth terrace of the Dniester river (Loyeva level) were reconstructed. Key words: granulometric composition, petrographic composit

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22

Artamonova, N. B., and S. V. Sheshenin. "ON IDENTIFICATION OF PARAMETERS OF A NONLINEAR CONSOLIDATION MODEL OF SANDY SOIL." PNRPU Mechanics Bulletin, no. 1 (December 15, 2024): 31–44. http://dx.doi.org/10.15593/perm.mech/2024.1.04.

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Previously, the authors of this article formulated a physically and geometrically nonlinear formulation of the problem of porous fluid-saturated medium deformation during fluid filtration (consolidation problem) in terms of the rate of solid phase displacement and the change in pore pressure in differential and variational forms. The developed consolidation model takes into account changes in the porosity and permeability of the medium during deformation. Deformation-type constitutive relations are used in the model. The developed consolidation model can be used to simulate non-stationary proc

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23

Qualls, Larry. "Sandy Skoglund." Performing Arts Journal 16, no. 1 (1994): 102. http://dx.doi.org/10.2307/3245831.

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Ahmadi, Ramin. "Sandy Hook." Annals of Internal Medicine 158, no. 3 (2013): 218. http://dx.doi.org/10.7326/0003-4819-158-3-201302050-00017.

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Pollak, Cheryl L. ""Hurricane" Sandy." Texas A&M Journal of Property Law 5, no. 2 (2018): 157–92. http://dx.doi.org/10.37419/jpl.v5.i2.3.

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On the evening of October 29, 2012, “Hurricane” Sandy made land- fall on the New York coastline, battering the land with strong winds, torrential rain, and record-breaking storm surges. Homes and commercial structures were destroyed; roads and tunnels were flooded; and more than 23,000 people sought refuge in temporary shelters, with many others facing weeks without power and electricity. At the time, Sandy was heralded as one of the costliest hurricanes in the his- tory of the United States; the second costliest hurricane only to Katrina, which hit New Orleans in 2005. Unfortunately, recent e

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Newton, Alicia. "Sandy storehouse." Nature Climate Change 1, no. 805 (2008): 50. http://dx.doi.org/10.1038/climate.2008.34.

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Lindsey, Heather. "Hurricane Sandy." Nephrology Times 5, no. 12 (2012): 8–11. http://dx.doi.org/10.1097/01.nep.0000426009.16085.b8.

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Healy, Sonya, and Gundersen Lutheran. "Sandy Littlejohn." Nurse Leader 4, no. 3 (2006): 10–13. http://dx.doi.org/10.1016/j.mnl.2006.04.001.

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Hewitt, Paul. "SANDY BOTTOM." Physics Teacher 46, no. 8 (2008): 454. http://dx.doi.org/10.1119/1.2999058.

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Trento, Laura, and Sarah Allen. "Hurricane Sandy." Nutrition in Clinical Practice 29, no. 5 (2014): 576–84. http://dx.doi.org/10.1177/0884533614536927.

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Richter, Matt. "Occupy Sandy." Disaster Medicine and Public Health Preparedness 6, no. 4 (2012): 324. http://dx.doi.org/10.1001/dmp.2012.75.

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Innis, Jack. "Hurricane Sandy." CoatingsPro 13, no. 1 (2013): 12. https://doi.org/10.5006/cp2013_13_1-12.

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Łabuz, Tomasz Arkadiusz, Ralf Grunewald, Valentina Bobykina, et al. "Coastal Dunes of the Baltic Sea Shores: A Review." Quaestiones Geographicae 37, no. 1 (2018): 47–71. http://dx.doi.org/10.2478/quageo-2018-0005.

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Abstract The article summarises results of studies conducted along the Baltic Sea sandy coasts by scientists involved in coastal dune research, and presents an attempt to describe the types and distribution of dune coasts. The Baltic Sea coasts feature lower and higher foredunes. The lowland behind the coastal dune belt is covered by wandering or stabilised inland dunes – transgressive forms, mainly parabolic or barchans. The source of sediment for dune development includes fluvioglacial sands from eroded coasts, river-discharged sand, and older eroded dunes. Due to the ongoing erosion and coa

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Stanila, Anca Luiza, Catalin Cristian Simota, Iulian Ratoi, Aurelia Diaconu, and Mihail Dumitru. "Research on Improving Fertility Sandy Soils from Dabuleni Field by Administration of Loess." Revista de Chimie 70, no. 2 (2019): 543–48. http://dx.doi.org/10.37358/rc.19.2.6952.

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In order to solve and clarifying certain aspects of the clay content (particles [0.002 mm) sands and sandy soils, humus, respectively, the process of bioaccumulation and mineralization the organic matter of the land, in the Research and Development Centre for Plant Growing on Sand Dabuleni, have initiated research aimed at finding methods and means for accumulating and thus the increase in the content of clay in the soil, respectively humus.Therefore, to improve radical of sandy soils, we found it necessary to resort to what is called loess process. It consists in enriching the horizon the sur

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Guan, Chengli, and Yuyou Yang. "Field Study on the Waterstop of the Rodin Jet Pile Method in a Water-Rich Sandy Gravel Stratum." Applied Sciences 9, no. 8 (2019): 1709. http://dx.doi.org/10.3390/app9081709.

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Due to the increasing depths of underground urban construction, the surrounding environment and hydrogeological conditions are becoming increasingly complex, and conventional high-pressure rotary jet grouting has become unable to meet construction needs. At present, Rodin jet pile (RJP) ultra-high-pressure rotary jet grouting has been widely used as a grouting reinforcement method for deep and large foundations in silty soils, fine sands and clay strata; however, there have been no successful applications in a sandy gravel stratum with high water content (namely, water-rich sandy gravel stratu

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Cauxeiro, Cirilo, Michel Lopez, Javier Hernández-Molina, Artur Miguel, Gizela Cauxeiro, and Vanessa Caetano. "Contourite vs Turbidite Outcrop and Seismic Architectures." Angolan Mineral, Oil & Gas Journal 1, no. 1 (2020): 20–26. http://dx.doi.org/10.47444/amogj.v1i1.9.

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The hydrocarbon exploration of oceanic depositional systems demands a better understanding of the role of bottom currents and their implications for petroleum systems such as reservoir and sealing rocks. Deep-marine bottom-current reworked sands (sandy contourites) have been recognized in hydrocarbon-bearing sands of the Kwanza Basin. Such understanding implies additional alternatives for the definition of exploration targets and prospect risk reduction. The southernmost part of the Kwanza Basin (Miradouro da Lua zone) comprises one of the best outcrops of contourites deposits, formed during t

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Kamoona, Suhair, Razanah Ramya, Wan Masyitah Wan Daud, Farah Ayuni Mohd Hatta, and Rashidi Othman. "Properties of sandy soil and allelochemical compounds of heath forest in Rantau Abang, Terengganu, Malaysia: Implication for ecological sustainability and biodiversity conservation." International Journal of Innovative Research and Scientific Studies 6, no. 2 (2023): 344–57. http://dx.doi.org/10.53894/ijirss.v6i2.1432.

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Kerangas or heath forests are found on podzolised siliceous sands (spodosols), where gradually decomposing organic matter occurs on the soil’s surface. Changes in the extent of podzol development, soil consistency, and poor nutrient contents signify the unique properties of sandy soil in the heath forest at Rantau Abang, Terengganu, Malaysia. Unfortunately, the sandy soil’s chemical and physical properties are in critical condition due to human activities such as cutting and burning, impacting the sustainability of this ecosystem and its ground cover of shrubs, sparse grass and sedge. Therefor

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Sun, Lei, Yuanyun Xie, Chunguo Kang, et al. "The composition of heavy minerals of the sandy lands, Northeast China and their implications for tracing detrital sources." PLOS ONE 17, no. 10 (2022): e0276494. http://dx.doi.org/10.1371/journal.pone.0276494.

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Comprehending heavy mineral composition of the sandy land in Northeast China (NESL) is of great significance for interpreting generation, pathways, source and geochemistry of sediments in this area. To this end, the fine-grained (<63 μm) aeolian-fluvial sediments and loess deposits, which were taken from the Onqin Daga Sandy Land, the Horqin Sandy Land, the Hulun Buir Sandy Land and the Songnen Sandy Land, and from the downwind loess section (L1), respectively, were analyzed to construct the heavy mineral data set of NESL source and sink and to evaluate feasibility of the heavy mineral meth

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Caputa, Zbigniew. "The structure of the radiation balance on a sandy surface: case the Błędów desert, Silesian Upland." Ekológia (Bratislava) 35, no. 2 (2016): 114–25. http://dx.doi.org/10.1515/eko-2016-0009.

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AbstractComprehensive environmental studies taking under consideration the structure of the radiation balance during the vegetation growing seasons of 2001 and 2002 were carried out on the open sandy surface of the area called the Błędów ‘desert’ located on Silesian Upland. The research in each site covered the composition of plant species, their age and height, the condition of the substratum, the composition and structure of the soil and the meteorological conditions with elements of the radiation balance. The article presents some part of the research on meteorological elements and their im

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Guy Serges Konan, Ronald Sosthène Désiré Yapi Atto, Ferdin Aka Kouamé, Peter Yao Kouadio, and Sylvain Mondé. "Sedimentology and prediction of the sand dynamics of the buyo dam lake using the Hjulström model." World Journal of Advanced Research and Reviews 23, no. 2 (2024): 1515–31. http://dx.doi.org/10.30574/wjarr.2024.23.2.2466.

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The objective of this study aims to characterize the sedimentation and mode of transport of sandy sediments in Lake Buyo. The granulometric, morphoscopic and mineralogical analyzes of the surface sediments from the bottom of the lake collected in March 2021 and the use of the Hjulström model, made it possible to determine the sedimentological characteristics and predict the sedimentary processes in the lake. The sedimentological study makes it possible to identify four lithological facies: sands, muds, gravels and mixed sediments. Sands and gravels are the most abundant, with a predominance of

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41

RYASHCHENKO, TAMARA, and STANISLAV MAKAROV. "Mineral composition of eluvial and aeolian sands (on the example of the unique collection of samples)." Domestic geology, no. 5 (November 15, 2022): 59–69. http://dx.doi.org/10.47765/0869-7175-2022-10030.

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The object of the research is the unique collection of samples of eluvial and aeolian sands collected in the tropical (Vietnam) zone and the zone with the temperate humid sharply continental climate (the Tunkinsk’s depression in the Baikal region). Traces of structural connectivity were established by visual inspection of the samples in laboratory conditions using a four-fold magnifier. "Cohesive" clayey (ps*) and ordinary sandy (ps) varieties were identified. The mineral composition of the collection sands was determined by the method of quantitative immersion analysis of the 0.25–0.05 mm fra

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Guy, Serges Konan, Sosthène Désiré Yapi Atto Ronald, Aka Kouamé Ferdin, Yao Kouadio Peter, and Mondé Sylvain. "Sedimentology and prediction of the sand dynamics of the buyo dam lake using the Hjulström model." World Journal of Advanced Research and Reviews 23, no. 2 (2024): 1515–31. https://doi.org/10.5281/zenodo.14859579.

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Abstract (sommario):

The objective of this study aims to characterize the sedimentation and mode of transport of sandy sediments in Lake Buyo. The granulometric, morphoscopic and mineralogical analyzes of the surface sediments from the bottom of the lake collected in March 2021 and the use of the Hjulström model, made it possible to determine the sedimentological characteristics and predict the sedimentary processes in the lake. The sedimentological study makes it possible to identify four lithological facies: sands, muds, gravels and mixed sediments. Sands and gravels are the most abundant, with a predominan

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43

Sukach, Mykhailo, and Svitlana Komotska. "Investigation of thixotropy of underwater silty soils." Gіrnichі, budіvelnі, dorozhnі ta melіorativnі mashini, no. 99 (December 23, 2022): 28–33. http://dx.doi.org/10.32347/gbdmm.2022.99.0302.

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In the natural state, thixotropic phenomena in soils most often occur under external loads of a dynamic nature: earthquakes, vibrations from moving vehicles, working machines and mechanisms. Data on the study of soil thixotropy indicate that under dynamic load to reduce the strength and go into a liquid state can be dispersed soils of different types, genesis and age. The influence of dynamic loading is especially significant in the case of poorly compacted and water-saturated sandy and clay soils. At dynamic loading there can be both consolidation of soil and accordingly increase in its

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44

DECKERS, Jef, Dirk MUNSTERMAN, Roel DE KONINCK, and Marco SCHILTZ. "Facies variability of the Lower Miocene Houthalen Member in the southern Genk municipality (northeastern Belgium)." Geologica Belgica 27, no. 1-2 (2024): 33–46. http://dx.doi.org/10.20341/gb.2024.003.

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The Oligocene Eigenbilzen Formation and Miocene Bolderberg Formation were studied along the Albert Canal in the southern Genk municipality, eastern Belgium. Previous studies have subdivided the Eigenbilzen Formation into geophysical subunits based on borehole logs. Correlations of borehole logs with a deep Cone Penetration Test reveal that this subdivision is also geotechnically distinct. The Eigenbilzen Formation is unconformably overlain by the Houthalen Member (lower Bolderberg Formation), which holds a late Burdigalian age according to the dinoflagellate cyst analyses on borehole samples b

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45

Xu, Yan, Zhaoyang Cai, Kaige Wang, Yuwei Zhang, and Fengrong Zhang. "Evaluation for Appropriate Tillage of Sandy Land in Arid Sandy Area Based on Limitation Factor Exclusion Method." Land 11, no. 6 (2022): 807. http://dx.doi.org/10.3390/land11060807.

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Investigating and evaluating the quantity and spatial distribution of arable sandy land in arid and semiarid sandy areas is of great significance for the sustainable development and utilization of sandy land resources and the maintenance of the stability of the structure and function of regional ecosystems. Based on the characteristics of sandy soil, being without structure and susceptible to wind erosion, this study used the limiting factor exclusion method to investigate and evaluate arable sandy land in arid and semiarid areas. All sandy soils were taken as the evaluation objects of arable

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46

Sivapalan, S. "Benefits of treating a sandy soil with a crosslinked-type polyacrylamide." Australian Journal of Experimental Agriculture 46, no. 4 (2006): 579. http://dx.doi.org/10.1071/ea04026.

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The productivity of sandy soils is mostly limited by their low water-holding capacity and excessive deep percolation losses, which reduce the efficiency of water and fertiliser use by plants. The effect of a crosslinked-type polyacrylamide, ALCOSORB 400, on water-holding capacity of a sandy soil, siliceous sands, was studied under the laboratory and glasshouse conditions. Water-holding capacity of the soil exposed to 0.01 MPa increased by 23 and 95% by adding 0.03 and 0.07% of polyacrylamide to the soil, respectively. This indicated that the soil treated with polyacrylamide was able to store m

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47

Vykhovanets, G. V., A. B. Murkalov, and A. A. Stoyan. "DYNAMICAL STEADINESS OF SANDY BEACHES SIZES IN THE BLACK SEA COASTAL ZONE." Odesa National University Herald. Geography and Geology 19, no. 1(20) (2015): 53–68. http://dx.doi.org/10.18524/2303-9914.2014.1(20).40571.

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Abstract (sommario):

Sandy beaches are representing primary accumulative shore forms within a surf impact site in coastal zone of a Seas. Usual beaches was made up by drifts and its are most dynamic accumulative forms. They are changing during every storm, they can have expansion and diminution in environment that were formed during past centuries. During past decades began exact instrumental measurements of sandy beaches on natural sites. As a result, various calculative linear and volumetrical beach values were discovered.Sandy beaches are significant recreational resource and mean of natural defence of native s

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48

Lizana Olarte, Diego Edson Meliton, Zenón Aguilar-Bardales, and Diana Lucia Calderón-Cahuana. "Estimación de la curva característica suelo agua en suelos arenosos mediante el ensayo de papel filtro." TECNIA 33, no. 1 (2023): 52–60. http://dx.doi.org/10.21754/tecnia.v33i1.1397.

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The unsaturated soils mechanics is strongly related to the suction phenomenon that occurs between solid soil particles, which changes when the soil water content does not remain constant. The soil-water characteristic curve (SWCC) provides information related to suction and water content of the soil; and to obtain such a curve different direct and indirect methods can be used. In this research the soil-water characteristic curve for sands is obtained through the implementation of the filter paper test. For this purpose, three reconstituted samples of sandy soils from Lima – Peru (relative dens

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Vyrkin, V. B., and D. V. Kobylkin. "Features of aeolian relief formation of the sandy massif Suvinskii Kuitun in the Barguzin Depression." IOP Conference Series: Earth and Environmental Science 885, no. 1 (2021): 012041. http://dx.doi.org/10.1088/1755-1315/885/1/012041.

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Abstract The principal objective of the article is the determination of the main features of the aeolian relief formation of the Suvinskii Kuitun sand massif, one of the regions of active modern aeolian morphogenesis in the Barguzinskaya Depression. A brief description of the morphology of the aeolian relief, characterized by the predominance of deflationary forms over accumulative ones, is given. Among the forms of active deflation, deflation basins dominate here, separated by elongated deflation inselbergs, composed of sands of lacustrine, alluvial, deluvial-proluvial, and aeolian genesis. T

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50

Corrales, Luis Alonso González, Rodrigo Cesar Pierozan, Gregório Luís Silva Araújo, and Ennio Marques Palmeira. "Evaluation of Construction and Demolition Waste and Other Alternative Fills for Strip-Reinforced Soil Walls." Sustainability 15, no. 12 (2023): 9705. http://dx.doi.org/10.3390/su15129705.

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This article assesses the pullout performance of ribbed metallic strips embedded in fill soils that do not conform to conventional design criteria for mechanically stabilized earth (MSE) walls. These alternative fill soils include gravelly and sandy recycled aggregates from construction and demolition waste, artificial and natural sands, and fine-grained lateritic soil. The research included soil characterization tests and large-scale pullout tests, conducted as part of this study. The results showed that the reinforcement pullout behavior was similar for recycled, artificial, and natural sand

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