Academic literature on the topic 'Complex geological environment'

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Journal articles on the topic "Complex geological environment"

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Tao, Yunchao. "Analysis of Foundation Pit Design of Metro Station in Complex Environment." Advances in Materials Science and Engineering 2021 (December 2, 2021): 1–9. http://dx.doi.org/10.1155/2021/2995380.

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The complex engineering geological conditions and the surrounding environmental conditions of the existing subway lines and adjacent buildings have significantly deepened the difficulty of metro station foundation pit design and construction. Based on the foundation pit project of Luboyuan Station of Nanjing Metro Line 9, this study chooses a reasonable foundation pit support design scheme to carry out related research by analyzing the site geological environmental conditions. Through the analysis and evaluation of the engineering geological conditions of the engineering site, the engineering
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Zhang, Hong Chang, Yu Sheng Li, and Jie Bao. "Study on the Seismic Damaging Effects of Mountainous Towns in Wenchuan Earthquake." Advanced Materials Research 446-449 (January 2012): 2041–47. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.2041.

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Through the survey and research on seismic damage phenomena of damaged towns by Wenchuan Earthquake and geological environment , this article identify that the seismic damage effect of towns damaged by Wenchuan Earthquake mainly includes four types which are fault dislocation effect、site and foundation effect、topography motion amplified action and geologic hazard effect. Site selection of the reconstruction of damaged towns and seidmic design of building and other problems are complex and systemic engineering problems, and they refer to many complex factors such as earthquake faults、geologic h
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Gong, Yi, Yang Liu, and Qigao Li. "Long-Distance Pipe Jacking in Complex Urban Geological Environment." Journal of Architectural Research and Development 6, no. 1 (2022): 7–12. http://dx.doi.org/10.26689/jard.v6i1.2888.

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A steel underground pipeline with a diameter of 2.4 m and a total length of 3,617 m (plate thickness of 26 mm) has been constructed in a city in central Hubei, and the engineering, procurement, and construction (EPC) project has been lifted from the upstream channel to supplement water to the downstream lake inside the city. Through preliminary geological survey data, site topographic and geomorphic survey, urban construction, as well as the requirements of the construction party, the preliminary arrangement of working wells and receiving wells as well as the selection and customization of pip
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Shekhunova, Stella B., Nataliia P. Siumar, Svitlana M. Stadnichenko та Maryna V. Aleksieienkova. "THE LITHOLOGICAL MODEL OF THE SUPRASALT COMPLEX OF THE SOLOTVYNО SALT DOME STRUCTURE". Collection of Scientific Works of the Institute of Geological Sciences of the NAS of Ukraine 14, № 2 (2021): 51–61. https://doi.org/10.30836/igs.2522-9753.2021.245822.

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Solotvyno rock salt deposit is one of the large deposits in Ukraine. From the mid-90s at the deposit started to accumulate problems that have led to a dangerous environmental technogenic situation that has acquired the emergency status on the state level in 2010. In particular, destroying of the landscape, its degradation as a result of uncontrolled salt karst development, contamination of surface and underground water, threaten the cross-border contamination of the Tisza River. Definition of risks and management decisions to minimize the effects emergency situation should be based on an analy
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de Kemp, Eric A. "Spatial agents for geological surface modelling." Geoscientific Model Development 14, no. 11 (2021): 6661–80. http://dx.doi.org/10.5194/gmd-14-6661-2021.

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Abstract. Increased availability and use of 3D-rendered geological models have provided society with predictive capabilities, supporting natural resource assessments, hazard awareness, and infrastructure development. The Geological Survey of Canada, along with other such institutions, has been trying to standardize and operationalize this modelling practice. Knowing what is in the subsurface, however, is not an easy exercise, especially when it is difficult or impossible to sample at greater depths. Existing approaches for creating 3D geological models involve developing surface components tha
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Rudko, G., and Ye Yakovlev. "Modern factories of regional engineering-geological conditions of Ukraine changes." Мінеральні ресурси України, no. 1 (June 3, 2020): 15–26. http://dx.doi.org/10.31996/mru.2020.1.15-26.

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The article analyzes modern regional changes in engineering and geological conditions of Ukraine due to the complex impact of technogenesis and global climate changes. This is primarily due to the predominance of loess and loamy loess rocks in the upper part of the geological section (up to 65 % of the state) in the formation of technogenic-geological systems “technogenic object-geological environment”. Regional regulation of surface runoff (a cascade of reservoirs of the Dnieper River, up to 38000 pounds, network of channels) significantly disrupted the water-energy exchange of rocks within t
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Fang, Yanzhuo. "Study on Remote Sensing Dynamic Monitoring of Geological Environment." Remote Sensing 9, no. 2 (2020): 30. http://dx.doi.org/10.18282/rs.v9i2.1106.

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<p>With the continuous development of science and technology, remote sensing technology has become more and more mature and more advanced in our country, and the application of remote sensing technology to the monitoring of geological environment is also an important research problem in continuous improvement in recent years. China has a vast land area, rich mineral resources, strong geological diversity and complex geological environment, and the geological exploration of the origin of mineral resources is a prerequisite for the rationality of mineral development. Therefore, the remote
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Ren, Xiang, Hua Juan Yuan, and Rong Zhao. "Geological Environment and Prevention of Geological Disasters in Inner Mongolia Huogeqi-Qinshan Highway." Advanced Materials Research 573-574 (October 2012): 337–41. http://dx.doi.org/10.4028/www.scientific.net/amr.573-574.337.

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Geological environment characteristics were analyzed from rough weather, complex geological conditions, broken rock, development taluses, and densely distributed largeand stiff slopes,through an integrated comprehensive analysis and field reconnaissance.Control measures have been proposed:Optimize the line and the rock pile reinforcement is used to handle Class II and Class IIIrock pile,According to the different sections of the appropriate raise the road elevation Or set a larger cross section of bridges and culverts, and supplemented by the appropriate flood control measures to prevent the c
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Wang, Xinfeng, Wengang Liu, Xiaojun Jiang, Qiao Zhang, and Youyu Wei. "Evolution Characteristics of Overburden Instability and Failure under Deep Complex Mining Conditions." Geofluids 2022 (July 27, 2022): 1–16. http://dx.doi.org/10.1155/2022/6418082.

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Aiming at the problems of intensified deformation and serious stress damage of stope overburden during mining in deep typical geological environment, taking the deep mining face of a mine in the northwest as the research background, the characteristics and influencing factors of overburden collapse in deep geological environment are analyzed, a comprehensive evaluation system affecting overburden instability and deformation is established, and the temporal and spatial evolution law of deep stope roof failure is obtained by using the “three-zone” distribution theory of overburden, analytic hier
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Zhu, Qing Qing, Qiang Qiang Miao, and Shu Ping Jiang. "On Karst Water Inrush (Gushing) Geological Environment in Pingyang Tunnel." Applied Mechanics and Materials 580-583 (July 2014): 1008–12. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.1008.

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According to Pingyang tunnel karst complex groundwater environment ,This paper carried out thorough theoretical analysis and field observation from Pingyang tunnel stratum rock properties, engineering geology, hydrogeology, the surrounding patch, runoff and drainage and the changes of surface water environment, as well as tunnel excavating. The complex formation mechanism has given in the Pingyang tunnel karst water . Some effective references had put forward for the engineering treatment, provided some valuable references for other similar underground engineering construction.
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Dissertations / Theses on the topic "Complex geological environment"

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Almayahi, Ali Z. "SHEAR-WAVE IMAGING AND BIREFRINGENCE IN A COMPLEX NEAR-SURFACE GEOLOGICAL ENVIRONMENT." UKnowledge, 2013. http://uknowledge.uky.edu/ees_etds/12.

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Multiple geophysical and geological data sets were compiled, reprocessed, and interpreted using state-of-the-art signal processing and modeling algorithms to characterize the complex post-Paleozoic geology that overlies the southwestern projection of the Fluorspar Area Fault Complex (FAFC) in western Kentucky. Specific data included 21.5 km of SH-wave seismic reflection, 1.5 km of P-wave seismic reflection, 2 km of electrical resistivity, vertical seismic profiles, Vp and Vs sonic-suspension logs, and 930 lithologic borehole logs. The resultant model indicates three general northeast–southwest
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Abarca, Cameo Elena. "Seawater intrusion in complex geological environments." Doctoral thesis, Universitat Politècnica de Catalunya, 2006. http://hdl.handle.net/10803/6243.

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Modelling seawater intrusion (SWI) has evolved from a tool for understanding to a water management need. Yet, it remains a challenge. Difficulties arise from the assessment of dispersion coefficients and the complexity of natural systems that results in complicated aquifer geometries and heterogeneity in the hydraulic parameters. Addressing such difficulties is the objective of this thesis. Specifically, factors that may affect the flow and transport in coastal aquifers and produce heterogeneous salinity distributions are studied.<br/><br/>First, a new paradigm for seawater intrusion is propos
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Swift, Roland. "Transient electromagnetic soundings in complex geological environments." Thesis, University of Leicester, 1990. http://hdl.handle.net/2381/34969.

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TEM sounding curves are distorted by geological noise in complex environments and often cannot be interpreted using practical 1D interpretation schemes which assume homogeneous, horizontal strata. Systematic experiments with a Geonics EM42 and MarkI and MarkII SIROTEM systems in complex environments show that geological noise is dominant over system noise and errors in loop receiver geometry which seldom exceed 2% of the measured signal. Inversion results in complex areas depend on the loop configuration and type of receiver, unlike those from 1D situations. Small loops are less susceptible to
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Montsion, Rebecca. "3D Regional Geological Modelling in Structurally Complex Environments: Gaining Geological Insight for the Northern Labrador Trough." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36539.

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3D geological modelling is becoming an effective tool for communication and development of geological understanding. This is due to increased computer performance and availability of improved geological modelling software. 3D geological modelling technology has reached the stage where it can be implemented in regionally extensive and geologically complex settings, with the ability to achieve geological insight beyond what could otherwise have been gained through 2D investigations alone. Insight includes better constrained fault and horizon topologies, refined fold geometries, improved understa
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MARCHESI, VIVIAN RODRIGUES. "MODELING TECHNIQUES APPLIED FOR PORE PRESSURE PREDICTION IN GEOLOGICALLY COMPLEX ENVIRONMENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=25745@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>O tempo não produtivo (NPT) durante a perfuração de poços de petróleo pode ser responsável pela perda de milhões de dólares em atividades offshore. A má previsão da pressão de poros pode ser uma das responsáveis pelo NPT de um poço ou mesmo sua perda definitiva em campos geologicamente complexos, como em bacias evaporíticas. Nesses campos complexos, os métodos de previsão de pressão de poros convencionais nem sempre são capazes de prever bem a distribuição de pressão de poros,
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Київ, Вікторія Олегівна. "Environmental Impact Assessment when Building Materials Open Mining." Thesis, Національний авіаційний університет, 2020. https://er.nau.edu.ua/handle/NAU/49659.

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Робота публікується згідно наказу ректора від 21.01.2020 р. №008/од "Про перевірку кваліфікаційних робіт на академічний плагіат у 2019-2020 навчальному році". Керівник проекту: доцент, к. геол.-мін. н. Дудар Тамара Вікторівна.<br>Object of research – Horodenkivske deposit of brick raw materials in Ivano-Frankivsk region, as a threat to the ecology of society, mining industry. Aim оf work – assessment of technogenic loads and the analysis of ecological safety. Mehods of research: estimation by type and amount of expected waste, emissions (discharges), water, air, soil and subsoil pollution, n
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Київ, Вікторія Олегівна. "Environmental Impact Assessment when Building Materials Open Mining." Thesis, Національний авіаційний університет, 2020. http://er.nau.edu.ua/handle/NAU/43484.

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Робота публікується згідно наказу ректора від 21.01.2020 р. №008/од "Про перевірку кваліфікаційних робіт на академічний плагіат у 2019-2020 навчальному році". Керівник проекту: доцент, к. геол.-мін. н. Дудар Тамара Вікторівна.<br>Object of research – Horodenkivske deposit of brick raw materials in Ivano-Frankivsk region, as a threat to the ecology of society, mining industry. Aim оf work – assessment of technogenic loads and the analysis of ecological safety. Mehods of research: estimation by type and amount of expected waste, emissions (discharges), water, air, soil and subsoil pollution, n
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Taher, Mohammad Iktiham Bin. "New HEMT Type Sensors for In-situ Bio‐Geochemical Analysis." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0229.

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Une nouvelle classe de capteurs de gaz innovants basée sur des transistors à haute mobilité électronique (HEMT) AlGaN/GaN a été développée pour les applications géologiques. Elle est conçue dans le but d'étudier le transfert de masse des gaz (H2, CO2, CH4, O2, H2S, SO2 et He) entre le sous-sol et l'atmosphère sur de grandes étendues géographiques. Pour cela, elle intègre les caractéristiques clé suivantes : la miniaturisation, la robustesse, l'insensibilité aux environnements difficiles associées à un coût contenu. Les étapes technologiques comme la conception des capteurs, les technologies de
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Moura, Pamella. "Vulnerabilidade de aquÃferos: uso dos mÃtodos DRASTIC e GOD na porÃÃo norte do complexo industrial e portuÃrio do PecÃm, Estado do CearÃ." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12536.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>Este trabalho foi realizado na porÃÃo norte do Complexo Industrial e PortuÃrio do PecÃm, localizado na RegiÃo Metropolitana de Fortaleza (CE), e teve por objetivo avaliar a vulnerabilidade dos aquÃferos por meio dos mÃtodos DRASTIC e GOD e caracterizaÃÃo do perigo de contaminaÃÃo. Realizou-se quatro etapas de monitoramento em 24 poÃos ao longo de 2013, onde verificou-se a presenÃa de trÃs sistemas aquÃferos: Dunas, Barreiras e Fissural. Os parÃmetros monitorados foram: pH, temperatura, condutividade elÃtrica, sÃlidos totais dissolv
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Albarello, Lilian Cristiane. "O Vazamento do oleoduto olapa (Morretes, Paraná): avaliação ambiental e reconstituição do comportamento do óleo, da serra do mar ao Complexo Estuarino de Paranaguá." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/56326.

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Este é o primeiro estudo detalhado do acidente do OLAPA (vazamento de óleo diesel de mistura) ocorrido em 2001. Objetivou avaliar a qualidade ambiental da área afetada, incluindo os pontos de contingência 2, 3 e 4; caracterizar o comportamento do óleo nos 4 diferentes compartimentos geológico-geomorfológicos existentes e identificar se ocorreram outros vazamentos na área. O setor mais contaminado é o Ponto Zero, onde o solo ainda apresenta concentração de TPH acima do Valor de Intervenção (VI) em 8 locais, de fenantreno em 2 locais e de benzo(a)antraceno, benzo(a)pireno e indeno(123-cd)pireno
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Books on the topic "Complex geological environment"

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Serebryakov, Andrey. Ecological geology. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/971374.

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The textbook describes complex natural, geological, geographical, hydrogeological and lithological studies based on modern geological and ecological theories and forming the basis of environmental science.&#x0D; The theoretical views on the ecology of the geological environment are expanded. The tasks of ecological geology and geography, as well as ecological hydrogeology and ecological lithology are substantiated. Attention is paid to the history of geoecological research in the development of new territories. The influence of the tectonic formation of geological structures on the ecological
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Serebryakov, Andrey, and Gennadiy Zhuravlev. Exploitation of oil and gas fields by horizontal wells. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/971768.

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The textbook describes the design features of offshore horizontal multi-hole production wells, as well as the bottom-hole components of horizontal multi-hole wells. The classification of complications of multi-hole horizontal wells, methods of their prevention and elimination are given. Methods of underground geonavigation of the development of offshore horizontal production wells are proposed. The geological and field bases of operation of horizontal offshore multi-hole oil and gas wells, modes and dynamics of oil, gas and associated water production, methods for calculating dynamic bottom-ho
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Jiang, Ganqing, and Carol Dehler, eds. Field Excursions from Las Vegas, Nevada: Guides to the 2022 GSA Cordilleran and Rocky Mountain Joint Section Meeting. Geological Society of America, 2022. http://dx.doi.org/10.1130/fld063.

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Prepared in conjunction with the 2022 GSA Cordilleran/Rocky Mountain Sections Joint Meeting, this Field Guide showcases trips to geologically interesting areas in Arizona, Nevada, and California. Enjoy a three-day trip to the Buckskin-Rawhide and northern Plomosa Mountains metamorphic core complexes in Arizona. In Nevada, learn about the geology of Frenchman Mountain and Rainbow Gardens and landslide deposits and mechanisms in the eastern Spring Mountains. Or learn about microbialites in Miocene and modern lakes near Las Vegas. When weather permits, unravel the geological history of southern D
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Hu, Da, and Keneng Zhang. Research on Deformation Monitoring Tests and Prediction Methods for Tunnel Construction in Complex Geological Environments. United Culture Press Inc., 2024.

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McFarland, Ben. A World From Dust. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780190275013.001.0001.

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A World From Dust describes how a set of chemical rules combined with the principles of evolution in order to create an environment in which life as we know it could unfold. Beginning with simple mathematics, these predictable rules led to the advent of the planet itself, as well as cells, organs and organelles, ecosystems, and increasingly complex life forms. McFarland provides an accessible discussion of a geological history as well, describing how the inorganic matter on Earth underwent chemical reactions with air and water, allowing for life to emerge from the world's first rocks. He trace
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Ransom, Barbara, and Sonya Wainwright. Recent Advances and Issues in the Geological Sciences. Greenwood Publishing Group, Inc., 2001. http://dx.doi.org/10.5040/9798216005889.

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While earthquakes and volcanic eruptions are shaking up the world, there are more exciting happenings in the diverse field of geological science. This fascinating look at the discipline of geology during the past 3 to 4 years casts an eye toward future directions and showcases new ideas and ways of thinking. The broad discipline of geology is as diverse and complex as the planet itself. The most recent advances in the field such as the debate about life on Mars and the melting of the polar ice caps are included. Special attention is given to the changing role of the practicing geologist from t
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Katsuragawa, Mario, Luiz Vianna Nonato, and Francisco Luiz Vicentini Neto. Guia do oceanógrafo: Manuseio de cabos e acessórios. Brazil Publishing, 2021. http://dx.doi.org/10.31012/978-65-5861-334-3.

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Oceanography is a multidisciplinary science that deals with the physical, chemical, geological e biological aspects of the marine environment. As most of the sciences, oceanographic research relies heavily on sampling procedures, which can be rather simple, as obtaining a water sample at sea surface, or very complex, as bringing an uncontaminated sediment sample from hadal regions (up to 11,000 m deep) to the surface. Despite the sampling operation complexity, it is of primary importance the use of the adequate instrumentation, as well the expertise of the instrument operator. Ideally, the ope
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Sand, Christophe. Archaeology of a Piece of Gondwanaland. Edited by Ethan E. Cochrane and Terry L. Hunt. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199925070.013.014.

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New Caledonia is the southern-most archipelago of Melanesia. Its unique geological diversity, as part of the old Gondwana plate, has led to specific pedological and floral environments that have, since first human settlement, influenced the ways Pacific Islanders have occupied and used the landscape. This essay presents some of the key periods of the nearly 3,000 years of pre-colonial human settlement. After having presented a short history of archaeological research in New Caledonia, the essay focuses first on the Lapita foundation, which raises questions of long-term contacts and cultural ch
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Casella, Eleanor Conlin, Michael Nevell, and Hanna Steyne, eds. The Oxford Handbook of Industrial Archaeology. Oxford University Press, 2022. http://dx.doi.org/10.1093/oxfordhb/9780199693962.001.0001.

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Representing the first substantial English-language text on industrial archaeology in a decade, this volume comes at a time when the global impact of industrialization is being reassessed in terms of its legacy of climate change, mechanization, urbanization, the forced migration of peoples, particularly enslaved Africans, and labour relations. Critical debates around the beginning of a new geological era—the Anthropocene—have emerged over the last decade. This approach interrogates the widespread exploitation of natural resources that forged industrialization from its early emergence in eighte
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Book chapters on the topic "Complex geological environment"

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Ong, Dominic Ek Leong, Marco Barla, Jason Wen-Chieh Cheng, Chung Siung Choo, Minmin Sun, and Mohammud Irfaan Peerun. "Complex Soil–Pipe Interaction: Challenges in Geological Characterization and Construction." In Sustainable Pipe Jacking Technology in the Urban Environment. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9372-4_3.

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Rivkin, Felix, I. Kuznetsova, A. Popova, I. Parmuzin, and I. Chehina. "Engineering Geological and Geotechnical Cartographic Modeling as a Methodological Basis for Engineering Surveys and Design in Complex Geological Environment." In Engineering Geology for Society and Territory - Volume 6. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09060-3_64.

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Wo, Haowei, and Guoping Sun. "An Excursus to East Asia: Prehistoric Wetland Settlements of Zhejiang Province, China." In Natural Science in Archaeology. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-52780-7_10.

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AbstractAccording to the archaeological discoveries, Zhejiang Province yields the most typical and well-preserved prehistoric wetland settlements in China. In this region, the development of prehistoric cultures is closely related to the natural environment and climate changes. The earliest settlements of the Shangshanculture appeared at about 10,000–8500 BP, probably accompanied by rice cultivation. Whereas rice cultivation was subsequently established, the followingKuahuqiao and Hemuducultures show strong maritime characteristics. In the Liangzhu period, the huge Liangzhu City and the periph
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Zhang, Hua, Hui Yang, and Luoyi Zhang. "Application of Seismic Imaging Method in Detecting the Complex Geological Hazards." In Technology and Application of Environmental and Engineering Geophysics. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3244-8_30.

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Muravina, O. M., E. I. Davudova, and I. A. Ponomarenko. "Possibility of Identification of Modeling in Complex Analysis Geological and Geophysical Data." In Springer Proceedings in Earth and Environmental Sciences. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-97670-9_18.

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Sibelev, Oleg S., Alexander I. Slabunov, Vinod K. Singh, and Sumit Mishra. "Metamorphism of the Central Bundelkhand Greenstone Complex of the Bundelkhand Craton, Indian Shield and Its Geodynamic Setting." In Geological and Geo-Environmental Processes on Earth. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4122-0_9.

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Oyeyemi, Kehinde D., Ahzegbobor P. Aizebeokhai, and Oluseun A. Sanuade. "Geological-Geophysical Investigations for Hydrological Studies in a Basement Complex Terrain, Southwestern Nigeria." In Advances in Sustainable and Environmental Hydrology, Hydrogeology, Hydrochemistry and Water Resources. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-01572-5_58.

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Chen, Zhen, Shuqiang Zhao, Yuanping Sun, Jianxin Hua, Hao Wang, and Lei Chen. "Presentation of Engineering Geological Achievements in Digital Protection Project of Ancient Building Complexes in Gubeikou Village." In Environmental Science and Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9203-4_26.

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Hong, Kairong, Yue Zhuo, and Baiquan Wang. "Strata Classification and Equipment Selection." In Key Technologies for Tunnel Construction under Complex Geological and Environmental Conditions. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1383-8_1.

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Sun, Zhenchuan, Mouquan Yan, Zhiguo Li, and Kangkai Ye. "Shield Treatment Technology in Extremely Soft Stratum." In Key Technologies for Tunnel Construction under Complex Geological and Environmental Conditions. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1383-8_5.

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Conference papers on the topic "Complex geological environment"

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Todorov, Miroslav, and Mihail Todorov. "COMPLEX ENGINEERING DESIGN OF COASTAL PROTECTION." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s02.20.

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In the face of an ever-evolving environment, a crucial challenge emerges concerning the dynamic interplay between the sea and the land. Amidst these complexities, a fundamental question arises: should human intervention seek to reshape the natural processes, or should it primarily focus on comprehensive understanding, aiming to maintain a semblance of equilibrium? These intricacies, along with several important technical considerations, underscore the imperative to safeguard coastal regions against the escalating impact of the sea. This study, in response to the urgent demands of the environme
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Cherevko, Iryna, Tetiana Kril, Dmytro Bezrodnyi, and Serhii Popov. "DETERMINATION OF WATERLOGGING ZONES AND THEIR FACTORS USING NON-DESTRUCTIVE MONITORING METHODS AT HISTORICAL AND ARCHITECTURAL MONUMENTS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s02.21.

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The paper presents the results of determining waterlogging zones and their factors using non-destructive monitoring methods on the territory of the Kyiv-Pechersk Lavra Metropolitan's Garden. The research was carried out using the methods of electrotomography, natural electric field with the use of subsurface sounding radars. The results of electrotomography were interpreted using two- and three-dimensional models. The territory of the Upper Lavra Metropolitan�s Garden is a combination of complex engineering and geological conditions and technogenic development, which creates conditions for the
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Ringstad, Clyde A., Matthew C. Ringstad, and Lynn M. Ringstad. "2‐D Electrical Resistivity in a Complex Geological Environment." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2000. Environment and Engineering Geophysical Society, 2000. http://dx.doi.org/10.4133/1.2922715.

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A. Ringstad, Clyde, Matthew C. Ringstad, and Lynn M. Ringstad. "2-D Electrical Resistivity In A Complex Geological Environment." In 13th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems. European Association of Geoscientists & Engineers, 2000. http://dx.doi.org/10.3997/2214-4609-pdb.200.2000_126.

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Boardman, David William, Shabir M. Habib, Miguel Rumbos, and Sriram Vasantharajan. "Optimised Field Development Planning in a Complex Geological and PSC Environment." In SPE Asia Pacific Oil and Gas Conference and Exhibition. Society of Petroleum Engineers, 2008. http://dx.doi.org/10.2118/115317-ms.

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Viandante, Mauro, Janine Maalouf, Valeria Vergani, et al. "Multi-Dimensional Inversion Unlocks “Trapped” Reservoir Reserve in Complex Geological Environment." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0111.

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A common challenge while drilling a horizontal well is to keep it placed inside the sweet spot to reduce drilling risk and optimize the production of the well, for example, placing the well at the desired standoff from the OWC and the top reservoir. The well is planned according to the best geological model, built using the available offset wells and surface seismic interpretation, in a geological zone believed to be structurally safe from major faulting and changes in formation dip. However, while developing a brownfield, the aim is to increase the reservoir exposure and capture bypassed oil,
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Haumonté, Luc, and Weizhong Wang. "Survey results obtained in a complex geological environment with midwater stationary cable." In SEG Technical Program Expanded Abstracts 2017. Society of Exploration Geophysicists, 2017. http://dx.doi.org/10.1190/segam2017-17742882.1.

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Clegg, Nigel, Eirik Hansen, Jin Ma, and Clint Lozinsky. "Verification of Slim Ultra-deep Resistivity Inversions in a Complex Geological Environment." In Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/197189-ms.

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Kuzmenko, E., S. Bagriy, R. Mykhailiuk, and M. Zasidko. "Hydrogeochemical Studies of the Territory of Kalush Mining Complex." In 16th International Conference Monitoring of Geological Processes and Ecological Condition of the Environment. European Association of Geoscientists & Engineers, 2022. http://dx.doi.org/10.3997/2214-4609.2022580095.

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Bondarenko, M. S., V. V. Kulyk, Z. M. Yevstakhevych, and S. I. Diachenko. "Radioactive Logging Apparatus for Complex Investigations of Near-Surface Rocks." In 16th International Conference Monitoring of Geological Processes and Ecological Condition of the Environment. European Association of Geoscientists & Engineers, 2022. http://dx.doi.org/10.3997/2214-4609.2022580087.

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Reports on the topic "Complex geological environment"

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Hvozdyk, Lyudmyla, and Valerie Mercer-Blackman. What Determines Investment in the Oil Sector?: A New Era for National and International Oil Companies. Inter-American Development Bank, 2010. http://dx.doi.org/10.18235/0011114.

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This paper discusses recent trends in investment in the oil sector, amid new challenges for national and international oil companies in an increasingly supply-constrained environment. After more than a decade of stagnant investment rates, nominal investment has picked up sharply over the three years ending in 2007, but soaring costs (including from higher tax rates and royalties) meant that investment growth was minimal in real terms. The paper performs econometric tests using the Arellano-Bond GMM technique. It finds that `below ground¿ risks are statistically very important in deterring real
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Ansari, S. M., E. M. Schetselaar, and J. A. Craven. Three-dimensional magnetotelluric modelling of the Lalor volcanogenic massive-sulfide deposit, Manitoba. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328003.

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Unconstrained magnetotelluric inversion commonly produces insufficient inherent resolution to image ore-system fluid pathways that were structurally thinned during post-emplacement tectonic activity. To improve the resolution in these complex environments, we synthesized the 3-D magnetotelluric (MT) response for geologically realistic models using a finite-element-based forward-modelling tool with unstructured meshes and applied it to the Lalor volcanogenic massive-sulfide deposit in the Snow Lake mining camp, Manitoba. This new tool is based on mapping interpolated or simulated resistivity va
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Eick, Ryan, James Gibbs, P. McPhearson, and William Schlesinger. The Global Carbon Cycle: The Chemistry of Climate Change. American Museum of Natural History, 2009. http://dx.doi.org/10.5531/cbc.ncep.0159.

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Over the past century or so, human activities have altered the atmospheric balance, affecting processes such as the global carbon cycle—with environmental consequences. The global carbon cycle is a complex series of both abiotic and biotic processes. While atmospheric carbon levels have varied in the past, humans have definitively altered the global carbon cycle through fossil fuel use and forest destruction. Recent attempts at managing the carbon cycle include reforestation and geologic/oceanic sequestration. At current rates of human activity, atmospheric carbon levels will continue to rise
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Brouard, E., J. E. Campbell, P. M. Godbout, et al. Report of 2023 field activities for the GEM-GeoNorth West-central Keewatin Glacial Dynamics activity, Nunavut. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332531.

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The landscapes we see today in northern Canada are the results of the dynamics of former continental glaciations of the Quaternary. As the environment evolved with the cyclic growth and decay of ice sheets, it is paramount to understand the history of these glacial cycles to provide a robust framework for geological and environmental studies. Much is known about these glaciations in southern Canada, but in northern Canada, extensive regions remain poorly studied because of their remoteness and hence knowledge of past glaciations there remains somewhat limited. West-central Keewatin, for exampl
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Olsen and Wilson. L52145 Geomechanical Analysis and Design Considerations for Thin-Bedded Salt Caverns. Pipeline Research Council International, Inc. (PRCI), 2005. http://dx.doi.org/10.55274/r0011349.

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he bedded salt formations located throughout the United States are layered and interspersed with non-salt materials such as anhydrite, shale, dolomite and limestone. The salt layers often contain significant impurities. GRI and DOE have initialized this research proposal in order to increase the gas storage capabilities by providing operators with improved geotechnical design and operating guidelines for thin bedded salt caverns. Terralog has summarized the geologic conditions, pressure conditions and critical design factors that may lead to: Fracture in heterogeneous materials; Differential d
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Karlstrom, Karl, Laura Crossey, Allyson Matthis, and Carl Bowman. Telling time at Grand Canyon National Park: 2020 update. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2285173.

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Grand Canyon National Park is all about time and timescales. Time is the currency of our daily life, of history, and of biological evolution. Grand Canyon’s beauty has inspired explorers, artists, and poets. Behind it all, Grand Canyon’s geology and sense of timelessness are among its most prominent and important resources. Grand Canyon has an exceptionally complete and well-exposed rock record of Earth’s history. It is an ideal place to gain a sense of geologic (or deep) time. A visit to the South or North rims, a hike into the canyon of any length, or a trip through the 277-mile (446-km) len
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Kingston, A. W., and O. H. Ardakani. Diagenetic fluid flow and hydrocarbon migration in the Montney Formation, British Columbia: fluid inclusion and stable isotope evidence. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330947.

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The Montney Formation in Alberta and British Columbia, Canada is an early Triassic siltstone currently in an active diagenetic environment at depths greater than 1,000 m, but with maximum burial depths potentially exceeding 5,000 m (Ness, 2001). It has undergone multiple phases of burial and uplift and there is strong evidence for multiple generations of hydrocarbon maturation/migration. Understanding the origin and history of diagenetic fluids within these systems helps to unravel the chemical changes that have occurred since deposition. Many cores taken near the deformation front display abu
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Bray, Jonathan, Ross Boulanger, Misko Cubrinovski, et al. U.S.—New Zealand— Japan International Workshop, Liquefaction-Induced Ground Movement Effects, University of California, Berkeley, California, 2-4 November 2016. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2017. http://dx.doi.org/10.55461/gzzx9906.

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There is much to learn from the recent New Zealand and Japan earthquakes. These earthquakes produced differing levels of liquefaction-induced ground movements that damaged buildings, bridges, and buried utilities. Along with the often spectacular observations of infrastructure damage, there were many cases where well-built facilities located in areas of liquefaction-induced ground failure were not damaged. Researchers are working on characterizing and learning from these observations of both poor and good performance. The “Liquefaction-Induced Ground Movements Effects” workshop provided an opp
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Knight, R. D., and B. A. Kjarsgaard. Comparative pXRF and Lab ICP-ES/MS methods for mineral resource assessment, Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331239.

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The Geological Survey of Canada undertook a mineral resource assessment for a proposed national park in northern Canada (~ 33,500 km2) spanning the transition from boreal forest to barren lands tundra. Bedrock geology of this region is complex and includes the Archean Slave Craton, the Archean and Paleoproterozoic Rae domain of the Churchill Province, the Paleoproterozoic Thelon and Taltson magmatic-tectonic zones, and the Paleoproterozoic East Arm sedimentary basin. The area has variable mineral potential for lode gold, kimberlite-hosted diamonds, VMS, vein uranium and copper, SEDEX, as well
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Muldavin, Esteban, Yvonne Chauvin, Teri Neville, et al. A vegetation classi?cation and map: Guadalupe Mountains National Park. National Park Service, 2024. http://dx.doi.org/10.36967/2302855.

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A vegetation classi?cation and map for Guadalupe Mountains National Park (NP) is presented as part of the National Park Service Inventory &amp; Monitoring - Vegetation Inventory Program to classify, describe, and map vegetation communities in more than 280 national park units across the United States. Guadalupe Mountains NP lies in far west Texas and contains the highest point in the state, Guadalupe Peak (8,751 ft; 2,667 m). The mountain escarpments descend some 5,000 ft (1,500 m) to the desert basins below forming a complex geologic landscape that supports vegetation communities ranging from
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