Готові списки джерел за темами / Spatial distribution of heavy metals

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Добірка наукової літератури з теми "Spatial distribution of heavy metals"

Автор: Grafiati
Опубліковано: 3 червня 2025
Оновлено: 31 липня 2025

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Статті в журналах з теми "Spatial distribution of heavy metals"

1

Sun, Jianwei, Mengchan Chen, Jingrou Xiao, et al. "Exploring the Spatial Distribution Characteristics of Urban Soil Heavy Metals in Different Levels of Urbanization." Agronomy 15, no. 2 (2025): 418. https://doi.org/10.3390/agronomy15020418.

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Анотація:
With the development of urbanization and industrialization worldwide, soil heavy metal pollution has become a critical and pressing environmental problem in urban areas. Soil heavy metals exhibit complex and varying spatial aggregation and diffusion processes within diverse urban landscapes, especially in different urban areas with varying urbanization levels. However, many existing experimental methods and conventional models overlook the crucial aspects of spatial autocorrelation and heterogeneity between soil heavy metals and influencing factors. This neglect poses significant environmental
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2

Dabaibeh, Reem Naser. "Spatial Distribution of Heavy Metals in Al-Zarqa, Jordan." Indonesian Journal of Chemistry 21, no. 2 (2021): 478. http://dx.doi.org/10.22146/ijc.58304.

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Al-Zarqa is experiencing challenges in industry conversion and extensive urbanization. The environmental quality of soil in the Al-Zarqa region was analyzed by Spatial analysis for the identification of sources and estimation of the concentration of heavy metals, which helped in the assessment of soil quality and heavy metal pollution. The reason for the elevation of heavy metal pollution is increased urbanization, industrialization, traffic, oil refinery emissions, and mixed anthropogenic sources in that region. The main objective of this research was to assess the ecological impact of heavy
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3

Tian, Mi, Xueqiu Wang, Jian Zhou, et al. "Temporal–Spatial Distributions and Influencing Factors of Heavy Metals As, Cd, Pb, and Zn in Alluvial Soils on a Regional Scale in Guangxi, China." Minerals 13, no. 8 (2023): 1107. http://dx.doi.org/10.3390/min13081107.

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Understanding the temporal–spatial distribution and influencing factors of heavy metals on a regional scale is crucial for assessing the anthropogenic impacts and natural variations in elemental geochemical behavior. This study evaluated the spatial distributions of the heavy metals As, Cd, Pb, and Zn as well as the driving mechanisms over the past 31 years in Guangxi, China, using three geochemical baseline projects (the Environmental Geochemical Monitoring Network Project (EGMON) project 1992–1996; the Geochemical Baseline (CGB) 1 project 2008–2012; and the CGB2 project 2015–2019). By calcul
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4

Daniel Maramis, Stefan, Rika Ernawati, and Waterman Sulistyana Bargawa. "Distribution Analysis of Heavy Metal Contaminants in Soil With Geostatistic Methods; Paper Review." Eduvest - Journal Of Universal Studies 1, no. 7 (2021): 620–28. http://dx.doi.org/10.36418/edv.v1i7.111.

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Анотація:
Heavy metal contaminants in the soil will have a direct effect on human life. The spatial distribution of naturally occurring heavy metals is highly heterogeneous and significantly increased concentrations may be present in the soil at certain locations. Heavy metals in areas of high concentration can be distributed to other areas by surface runoff, groundwater flow, weathering and atmospheric cycles (eg wind, sea salt spray, volcanic eruptions, deposition by rivers). More and more people are now using a combination of geographic information science (GIS) with geostatistical statistical analys
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5

Daniel Maramis, Stefan, Rika Ernawati, and Waterman Sulistyana Bargawa. "Distribution Analysis of Heavy Metal Contaminants in Soil With Geostatistic Methods; Paper Review." Eduvest - Journal of Universal Studies 1, no. 7 (2021): 620–28. http://dx.doi.org/10.59188/eduvest.v1i7.111.

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Анотація:
Heavy metal contaminants in the soil will have a direct effect on human life. The spatial distribution of naturally occurring heavy metals is highly heterogeneous and significantly increased concentrations may be present in the soil at certain locations. Heavy metals in areas of high concentration can be distributed to other areas by surface runoff, groundwater flow, weathering and atmospheric cycles (eg wind, sea salt spray, volcanic eruptions, deposition by rivers). More and more people are now using a combination of geographic information science (GIS) with geostatistical statistical analys
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6

Erbes, S. "Heavy metals spatial distribution in soil ecosystem components roadside territories." Bulletin of Science and Practice 4, no. 7 (2018): 179–83. https://doi.org/10.5281/zenodo.1312205.

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Анотація:
The accumulation and spatial distribution of some heavy metals in the soil is the component of the ecosystems of roadside territories. The processes of accumulation and spatial distribution are considered taking into account the buffer capacity of the traffic flow. Analysis of the buffer capacity of soils in relation to the accumulation of heavy metals is performed using the parameters of the particle size distribution, humus content, pH level. Chemical methods of investigation were used, description of roadside phytocenoses was performed. The analysis of the vertical and horizontal distributi
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7

Li, Shuang, Yi Ming Liu, and Yuan Yuan Sun. "Spatial Distribution and Pollution Evaluation of Heavy Metals of Surface Sediments in Nansi Lake." Applied Mechanics and Materials 587-589 (July 2014): 804–7. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.804.

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Анотація:
The heavy metals contents of 29 samples were tested in Nansi Lake which was divided into 5 parts. The heavy metals included Hg, Cd, Cr, Pb, Ni, Cu, Zn and As. The spatial distribution of heavy metals of 5 Lakes region has been received. The pollution of heavy metals was with evaluated with Igeo and RI. The results showed that: Nasi Lake has been polluted by heavy metals in middle level, and As, Hg, Cd and Pb were more serious. The heavy metals pollution of the part in north were more serious than in south, except the As and Cd. Overall, the heavy metals pollution in the north Zhaoyang Lake was
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8

Chi, Yangyang, Jiayi Wang, Jiale Bi, et al. "Heavy Metals in Sediments of the Yangtze River, Poyang Lake and Its Tributaries: Spatial Distribution, Relationship Analysis and Source Apportionment." Water 17, no. 9 (2025): 1295. https://doi.org/10.3390/w17091295.

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Анотація:
The concentration, spatial distribution characteristics, river–lake relationship analysis and source apportionment of heavy metals in the sediments of the Yangtze River, Poyang Lake and its tributaries were studied in this work. Heavy metals were detected more frequently in the sediments of the Yangtze River compared with the sediments of Poyang Lake and its tributaries. V, Cr, Pb and Ni were the dominant heavy metals in Poyang lake, with V being the most abundant in the lower Yangtze River, Poyang Lake and its tributaries. As, Cu, Ni and V showed similar distribution patterns, with a fan-shap
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9

Magno, J. L., and W. Budianta. "Spatial distribution and pattern of heavy metals in urban soils of Yogyakarta, Indonesia." IOP Conference Series: Earth and Environmental Science 1071, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1755-1315/1071/1/012032.

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Abstract Heavy metals contamination is becoming a global problem in urban areas. With that, understanding spatial distribution and pattern of heavy metals in urban soils is a crucial step toward sustainable urban development. This study intends to assess the spatial distribution and pattern of four heavy metals (Pb, Cu, Zn, and Cd) in Yogyakarta City outward in the boundaries of Sleman and Bantul Regencies. In relation, we utilized geostatistical method Empirical Bayesian Kriging (EBK) then correlated to Land Cover/Use data for the spatial analysis of heavy metals concentration. The degree of
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10

Nurcholis, Mohammad, Dwi Fitri Yudiantoro, Darban Haryanto, and Abdurrachman Mirzam. "Heavy Metals Distribution in the Artisanal Gold Mining Area in Wonogiri." Indonesian Journal of Geography 49, no. 2 (2017): 133. http://dx.doi.org/10.22146/ijg.15321.

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Artisanal and small gold mining activity in Wonogiri Regency has long been done with problems on environmental quality. This study was aimed to analyze the levels and spatial distribution of heavy metals in the mining area. Survey of mining and amalgamation sites, sampling the soil and tailings had been conducted. There were 66 samples of soil and tailing were collected, analysis of heavy Fe, Mn, Pb, Hg, As and Co, using X-ray fluorescence (XRF). Normal distribution test of data was conducted using the Kolmogorov-Smirnov and Shapiro Wilk. The spatial distribution of heavy metals was described
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Дисертації з теми "Spatial distribution of heavy metals"

1

Liberti, Michael F. "Spatial distribution of heavy metals in Center Township, Delaware County surface soils." Virtual Press, 1998. http://liblink.bsu.edu/uhtbin/catkey/1115430.

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Анотація:
Numerous urban soils surrounding industrial and metallurgical facilities in the U.S. are contaminated with metals including lead (Pb), cadmium (Cd), copper (Cu), Zinc (Zn), chromium (Cr), and nickel (Ni). Simplified geochemical mapping requires soil sampling and analysis for the presence of heavy metals from a grid pattern within a geographic area. In this study, a contour map of metal concentrations at two depths was subsequently superimposed over a standard political map to indicate areas of elevated metal concentrations in the soil. Natural levels of Pb, Cd, Cu, Zn, Cr, and Ni in Delaware C
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2

Kampezidou, Dimitra. "Spatial distribution of heavy metals in surface marine sediments in the Mediterranean region." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-111066.

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Анотація:
Several scientific articles were mainly reviewed from Umeå’ s university database in order to determine the distribution, degree of contamination, and the sources of 7 selected heavy metals (Cr, Pb, Cu, Zn, Cd, Hg, Ni) in surface sediments along the coasts of the Mediterranean Sea. The Enrichment factor (EF) was used as pollution indicator to evaluate the extent of metal contamination in all the investigated areas. According to Abrahim and Parker (2008) the EF is defined as the ratio of the determined metal to Al (or Fe) in the sample divided by the ratio of background metal to background Al (
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3

Benamer, Mustafa Alarabi. "Chemical speciation and spatial distribution of heavy metals and their adsorption onto sediments of the Berg River, Western Cape, South Africa." Doctoral thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/13167.

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Includes bibliographical references.<br>The Berg River, Western Cape, South Africa, is an example of a catchment region where human pressures and conservation of natural resources collide. The river receives effluents from two large settlements and several smaller adjacent villages, including that of industrial and extensive agricultural activity. The estuary is one of the largest in South Africa and rated as the third most important conservation zone in the country. In this study, the chemical speciation of heavy metals in the river sediment was determined in order to evaluate the extent of p
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4

Al-Ibrahim, Zahid Omar Mustafa. "Investigation of pollution coming from copper, lead, and zinc mining, and factors controlling mobility and bioavailability of pollutants at Ecton Hill, Staffordshire, UK." Thesis, University of Wolverhampton, 2017. http://hdl.handle.net/2436/621722.

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Анотація:
Former mining areas are well-known globally to be a significant anthropogenic source of contaminants being dispersed into the surrounding environment. Various human activities, including ore mineral mining, industrial activities, domestic waste production, and the agricultural application of fertilisers and pesticides, are likely to contribute to the release of huge amounts of potentially toxic metals into the ecosystem, which have harmful effects on the flora and fauna and on human health. Therefore, the main aim of this study is to evaluate the contamination that arises from some selected he
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5

Andong, Omores Raissa. "Spatio-temporal distribution of polycyclic aromatic hydrocarbons (PAHs) in soils in the vicinity of a petrochemical plant in Cape Town." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2432.

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Thesis (MTech (Chemistry))--Cape Peninsula University of Technology, 2016.<br>Polycyclic aromatic hydrocarbons (PAHs) are an alarming group of organic substances for humans and environmental organisms due to their ubiquitous presence, toxicity, and carcinogenicity. They are semi-volatile substances which result from the fusion of carbon and hydrogen atoms and constitute a large group of compounds containing two to several aromatic rings in their molecule. Natural processes and several anthropogenic activities involving complete or incomplete combustion of organic substances such as coal, fossi
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6

FERNANDES-VANDERLEI, LAZARO. "Etude geochimique des sediments marins actuels d'une cote a plateau continental etroit : exemple des alpes maritimes." Nice, 1987. http://www.theses.fr/1987NICE4120.

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On etudie les sediments recents de l'interface dans la baie des anges, la baie de villefranche-sur-mer et dans la reserve sous-marine du larvotto au large de monaco, afin de mettre en evidence les relations existant entre les processus diagenetiques et lithologiques d'une part et les proprietes physico-chimiques des sediments d'autre part. On observe en particulier la qualite de la matiere organique presente dans l'eau et les sediments ainsi que les relations entre m. O. Ou ses produits de desintegration et les metaux-traces. On analyse les variations spatio-temporelles des teneurs en sels nut
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7

Milton, Adrian Mark. "Heavy metals in contaminated grassland ecosystems : distribution, transfer and effects." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266222.

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8

Napan, Katerine. "Distribution of Heavy Metals from Flue Gas in Algal Bioreactor." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/4018.

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Algae are microscopic organisms with a great potential to produce biomass and lipids at productivities several times higher than terrestrial crops. To grow, these organisms consume carbon dioxide (CO2), a greenhouse gas. This gas, emitted primarily by power plants after coal burning, can be effectively used for algae production, thus resulting in CO2 remediation and biomass beneficial utilization as feedstuff, industrial filler and biodiesel feedstock. However, since coal is a fuel mined from the earth’s crust, it contains heavy metals that are released during coal burning and inevitably enter
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9

Khandoker, Rafiqul Alam. "Distribution of Heavy Metals and Trace Elements in Soils of Southwest Oregon." PDXScholar, 1997. https://pdxscholar.library.pdx.edu/open_access_etds/4691.

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Анотація:
Soil samples from 118 sites on 71 geologic units in southwest Oregon were collected and analyzed to determine the background concentrations of metals in soils of the region. Sites were chosen in areas that were relatively undisturbed by human activities. The U.S. Environmental Protection Agency approved total-recoverable method was used to recover metals from samples for analysis. The twenty six metals analyzed were: Ag, AI, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, Hg, K, La, Li, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Tl, V and Zn. The Klamath Mountains followed by the Coast Range contain the highest soil
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Thums, Catherine Rosalie. "Geochemical associations and the spatial distribution of metals in urban soils." Thesis, Imperial College London, 2005. http://hdl.handle.net/10044/1/8625.

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Книги з теми "Spatial distribution of heavy metals"

1

Paalman, Marcel. Processes affecting the distribution and speciation of heavy metals in the Rhine/Meuse Estuary. Facultiet Aardwetenschappen, Universiteit Utracht, 1997.

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2

universitet, Uppsala, ed. Heavy metals in Swedish forest lakes: Factors influencing the distribution in sediments. Uppsala University, 1988.

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3

Nuorteva, Pekka. Metal distribution patterns and forest decline: Seeking Achilles' heels for metals in Finnish forest biocoenoses. [Dept. of Environmental Conservation, University of Helsinki], 1990.

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4

Nuorteva, Pekka. Metal distribution patterns and forest decline: Seeking Achilles' heels for metals in Finnish forest biocoenoses. University Press, 1990.

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5

Salamanca, M. A. Heavy metal content and distribution in surface sediments from three areas of Chilean coast =: Contenido y distribución de metales pesados en sedimentos superficiales de tres áreas de la costa de Chile. Universidad de Concepción, 1988.

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6

Kawaharada, Madoka. X-ray study on the spatial distribution of heavy elements in hot plasmas associated with clusters of galaxies. Institute of Space and Astronautical Science, 2007.

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7

Tanner, D. Q. Surface-water-quality assessment of the lower Kansas River basin, Kansas and Nebraska: Distribution of trace-element concentrations in dissolved and suspended phases, streambed sediment, and fish samples, May 1987 through April 1990. U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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8

Tanner, D. Q. Surface-water-quality assessment of the lower Kansas River basin, Kansas and Nebraska: Distribution of trace-element concentrations in dissolved and suspended phases, streambed sediment, and fish samples, May 1987 through April 1990. U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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9

Tanner, D. Q. Surface-water-quality assessment of the lower Kansas River basin, Kansas and Nebraska: Distribution of trace-element concentrations in dissolved and suspended phases, streambed sediment, and fish samples, May 1987 through April 1990. U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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10

Tanner, D. Q. Surface-water-quality assessment of the lower Kansas River basin, Kansas and Nebraska: Distribution of trace-element concentrations in dissolved and suspended phases, streambed sediment, and fish samples, May 1987 through April 1990. U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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Частини книг з теми "Spatial distribution of heavy metals"

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Li, Hui, Fengna Liang, Zijun Qin, Jinxin Zhang, Ku Wang, and Miaohua Jiang. "Spatial Distribution of Heavy Metals in Soil Based on Kriging Interpolation." In Advances in Intelligent Data Analysis and Applications. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5036-9_16.

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Amin, Heba A., Hadeer N. Saleh, Mohamed Y. Omar, Alaa R. Mostafa, and Younis E. Ebraham. "Spatial Distribution and Assessment of Heavy Metals Pollution in Sediments of Tobruk Bay (Libya)." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36671-1_55.

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Mohd Akhir, Muhammad Fitri, Aqilah Azhar, Nor Azazi Zakaria, and Noor Aida Saad. "Spatial and Temporal Analysis of Heavy Metals Distribution in Surface Water of Perai River, Malaysia." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-6022-4_29.

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Gargouri, Dorra, Annabi-Trabelsi Neila, Qusaie Karam, and Habib Ayadi. "Heavy Metals Spatial Distribution in Seawater, Suspended Particulate Matter, and Sediments in Gabes Gulf (Tunisia)." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition). Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-51210-1_100.

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Villa, N. "Spatial Distribution of Heavy Metals in Seawater and Sediments from Coastal Areas of the Southeastern Buenos Aires Province, Argentina." In Metals in Coastal Environments of Latin America. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-71483-2_5.

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Rajendiran, S., T. Basanta Singh, J. K. Saha, et al. "Spatial Distribution and Baseline Concentration of Heavy Metals in Swell–Shrink Soils of Madhya Pradesh, India." In Environmental Pollution. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5792-2_11.

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Aoyon, Ashif Adnan Khan, and Islam M. Rafizul. "Spatial Distribution of Heavy Metals and Identifying Factors that Influence Soil Properties at Rajbandh Landfill Site in Khulna." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-3826-1_11.

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Shen, Ruili, Jianping Li, Mingzheng Yang, Mingzhong Zeng, and Min Zhou. "Spatial Distribution of Heavy Metals in Roadside Soils Based on Voronoi Diagram: A Case Study of Wuhan City." In Geo-Informatics in Resource Management and Sustainable Ecosystem. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45737-5_71.

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Han, Ling, Zhiheng Liu, Yuming Ning, and Zhongyang Zhao. "Spatial Distribution and Source Identification of Loess Heavy Metal Pollution in Northern Baoji, China." In Geo-informatics in Sustainable Ecosystem and Society. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7025-0_8.

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Sun, Qinqin, Meixue Luo, and Houde Ji. "Spatio-temporal distribution of the heavy metals pollution in the sediments of Minjiang Estuary." In Advances in Energy and Environment Research. CRC Press, 2017. http://dx.doi.org/10.1201/9781315212876-41.

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Тези доповідей конференцій з теми "Spatial distribution of heavy metals"

1

Valujeva, Kristine, Jovita Pilecka-Ulcugaceva, Sindija Liepa, Oskars Purmalis, and Inga Grinfelde. "ASSESSMENT OF HEAVY METAL POLLUTION IN SNOW SAMPLES COLLECTED AT VARIOUS DISTANCES FROM ROAD SECTIONS: CASE STUDY JELGAVA." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s19.49.

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The increasing flow of traffic passing through cities on a daily basis, especially those cities that have a difficult situation with bypass, raises concerns about the air quality in sections of the transport corridors, as well as in the city as a whole. Heavy metal pollution is a serious environmental concern, especially in urban and suburban areas where vehicle emissions contribute to air and soil pollution. The aim of the study is to assess the extent of heavy metal contamination in snow samples collected at different distances from roads in different areas of the city. Snow samples were col
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Wang, Xiu Hua, Hua Wang, Cui Cui He, Huan De Feng, and Ting Zhong Wang. "Distribution of Pb and Cd in Soil and Rice Systems of Se-Rich Area of Hainan Island." In 12th Annual International Conference on Material Science and Engineering. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-cxp1qn.

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Clarifying the distribution of cadmium (Cd) and lead (Pb) in the soil of Hainan's Se-rich areas will not only provide a basis for the healthy and sustainable development of Hainan's Se-rich industry, but also provide ideas for Hainan's agricultural and food safety research. Using a method that combines field investigation and indoor analysis, with the help of geostatistics and spatial analysis technology, the concentration of Pb and Cd in the soil and rice in the area were studied. The Cd in the cultivated soil layer of the arableland in the area is lower than the first-level standard of our c
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3

a Al-Zurf, Sadiq, Sadiq Alausawi, Ali A. Abojassim, Hussien zahed, and Kifah Almusa. "Temporal and spatial variation of some heavy metals in limnology environment." In Fifth International Conference on Green Energy, Environment, and Sustainable Development, edited by Mohammadreza Aghaei, Hongyu Ren, and Xiaoshuan Zhang. SPIE, 2024. http://dx.doi.org/10.1117/12.3044245.

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4

Garces, Daniel, Yolanda Sanchez-Palencia, Samantha Jimenez, and Juan Llamas. "ENVIRONMENTAL STATISTICAL ANALYSIS OF THE BASINS OF THE MINING DISTRICT OF PONCE ENRIQUEZ (ECUADOR)." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s01.09.

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Camilo Ponce Enriquez is in the southwest coastal zone of Ecuador, and it is surrounded by 4 river basins (Gala, Tenguel, Siete and Pagua) with an area of 1,780 km2. Mining has been the main economic activity since 1980 and is classified as Artisanal and Small-Scale Mining Activity. However, since 2000s there is evidence of contamination by heavy metals in water and sediments due to irregular mining practices and inefficiency environmental�s regulations. Despite the evidence, there are not enough scientific studies, and few reports are published about chemistry and contamination. The study goa
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5

Zhang, Luqi, Fang Geng, Yayi Liao, et al. "Spatial and Temporal Distribution Characteristics of Heavy Rainfall in Zhejiang Province." In 2024 IEEE International Conference on Smart Internet of Things (SmartIoT). IEEE, 2024. https://doi.org/10.1109/smartiot62235.2024.00074.

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6

Nanayakkara, CJ, N. Partheepan, MY Kumarapperuma, and NP Ratnayake. "Spatial Distribution of Heavy Metals in Sediments of the Negombo Lagoon, Sri Lanka." In International Symposium on Earth Resources Management & Environment. Department of Earth Resources Engineering, University of Moratuwa, Sri Lanka, 2022. http://dx.doi.org/10.31705/iserme.2022.10.

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Heavy metals accumulate in the sediments of aquatic environments due to poor water solubility. Their toxic effect poses a significant threat to living organisms. Negombo Lagoon, a vital aquatic ecosystem in Sri Lanka, has become vulnerable to heavy metals mainly from urbanization-related anthropogenic activities. Previous research in this respect has sampling points restricted to the boundary area. Since the heavy metal concentration is a static parameter, continuous research needs to keep the data updated. This study aims to investigate the spatial distribution of several heavy metals (Cr, Ni
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7

Hayat, Boudia. "Spatial Distribution and Contamination of Heavy Metals in Soils of Arzew Algeria." In Proceedings of the 18th International Conference on Heavy Metals in the Environment. openjournals ugent, 2016. http://dx.doi.org/10.21825/ichmet.71218.

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Li, Yu-Hua, Hong-Bin Liu, and Wei Wu. "Spatial Distribution of Heavy Metals in Agricultural Soil in Wutan, China." In 2009 International Conference on Environmental Science and Information Application Technology, ESIAT. IEEE, 2009. http://dx.doi.org/10.1109/esiat.2009.334.

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9

Amirgaliyev, Nariman. "SPATIAL DISTRIBUTION OF HEAVY METALS IN SNOW COVER FOR ALMATY AGGLOMERATION." In 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings. STEF92 Technology, 2019. http://dx.doi.org/10.5593/sgem2019/5.1/s20.084.

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Altan, Metin, Ömer Ayyildiz, Semra Malkoç, Berna Yazici, and Savaş Koparal. "Developing Heavy Metal Pollution Map with Multifactor Contributed." In Optical Remote Sensing of the Environment. Optica Publishing Group, 2010. http://dx.doi.org/10.1364/orse.2010.pdotua3.

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In this study, a detailed investigation has been conducted to understand the contamination characteristics and distributions of heavy metal pollution in terms of contributions of the heavy metal concentrations as mg/kg of Cd, Cr, Cu, Ni, Zn, Pb, Fe and Mn in the urban soil in Eskişehir city center. The amount of these heavy metals were determined from 15 soil sample points collected within urban area and every sample point included 6 separated samples for chemical analyses. The results indicated that concentration values of all metals except Ni and Cr in soils were below the risky limit pollut
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Звіти організацій з теми "Spatial distribution of heavy metals"

1

Khandoker, Rafiqul. Distribution of Heavy Metals and Trace Elements in Soils of Southwest Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6575.

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2

Dasberg, Shmuel, Jan W. Hopmans, Larry J. Schwankl, and Dani Or. Drip Irrigation Management by TDR Monitoring of Soil Water and Solute Distribution. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568095.bard.

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Drip irrigation has the potential of high water use efficiency, but actual water measurement is difficult because of the limited wetted volume. Two long-term experiments in orchards in Israel and in California and several field crop studies supported by this project have demonstrated the feasibility of precise monitoring of soil water distribution for drip irrigation in spite of the limited soil wetting. Time Domain Reflectometry (TDR) enables in situ measurement of soil water content of well defined small volumes. Several approaches were tried in monitoring the soil water balance in the field
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3

Li, Jiangxia, Liangmei Chen, Qinku Zhang, et al. Coupling electrokinetics and phytoremediation to remove uranium from contaminated soil : a laboratory pilot-scale study. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49631.

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Uranium is a naturally occurring trace element and radionuclide. Uranium is introduced to the environment anthropogenically because of industrial, military, and nuclear energy activities. The approach of coupled electrokinetic phytoremediation has been used to remove other heavy metals from contaminated soil. The objectives here are to investigate the distribution and solubility of uranium in soils with UO₂, UO, and uranyl, and examine the processes of coupled electrokinetic phytoremediation in removing U from soils with perennial ryegrass at a laboratory pilot scale. A low-intensity direct el
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