{"title":"Cross-sections compilation-adjustment method based on 2D-3D linkage in regional three dimensional geological modeling","authors":"Xuechao Wu, Gang Liu, Wenyao Fan, Shijie Peng, Genshen Chen, Junjie Cheng, Yongjin Wu","doi":"10.1007/s12145-024-01221-w","DOIUrl":null,"url":null,"abstract":"<p>In 3D geological modeling methods based on section, cross-section data is an important data source for constructing 3D geological modeling in complex areas. The efficiency and quality of cross-section data compilation-adjustment will directly affect the time and quality of subsequent regional 3D geological model construction. However, current compilation-adjustment methods for cross-section are inefficient and difficult to effectively control their quality. Therefore, in this paper, a cross-section compilation-adjustment method based on 2D-3D linkage is proposed. It deeply integrates the virtual borehole geological structure (VBGS), 2D-3D linkage strategy, and structural geological feature information into the inspection-adjustment process of geologic bodies (faults, strata, rock masses, and ore bodies) structural abnormality (GSA) and elevation consistency at intersections. A complete cross-section compilation and quality control process can be realized by regional structural stratigraphic framework construction, GSA high efficiency analysis and adjustment, elevation errors quick positioning and adjustment at intersections. This new method solves the problem of inconsistency between the complex geological structures and the real structural geological characteristics and overcomes the defects of local fitting abnormality (depressions or sharp protrusions) of geological interfaces caused by elevation errors at intersections. Software tool is developed based on QuantyView 2D/3D GIS platform, and 73 cross-section data of a 1:50,000 modeling area in western Guizhou, China, is taken as an example for practical application verification. Results show that the proposed new method significantly improves the inspection-adjustment efficiency of GSA and elevation errors at intersections. What’s more, quality of cross-sections compilation-adjustment has been effectively controlled, which provides reliable data sources for constructing high quality regional 3D geological models.</p>","PeriodicalId":49318,"journal":{"name":"Earth Science Informatics","volume":"11 1","pages":""},"PeriodicalIF":2.7000,"publicationDate":"2024-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Earth Science Informatics","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1007/s12145-024-01221-w","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS","Score":null,"Total":0}
引用次数: 0
Abstract
In 3D geological modeling methods based on section, cross-section data is an important data source for constructing 3D geological modeling in complex areas. The efficiency and quality of cross-section data compilation-adjustment will directly affect the time and quality of subsequent regional 3D geological model construction. However, current compilation-adjustment methods for cross-section are inefficient and difficult to effectively control their quality. Therefore, in this paper, a cross-section compilation-adjustment method based on 2D-3D linkage is proposed. It deeply integrates the virtual borehole geological structure (VBGS), 2D-3D linkage strategy, and structural geological feature information into the inspection-adjustment process of geologic bodies (faults, strata, rock masses, and ore bodies) structural abnormality (GSA) and elevation consistency at intersections. A complete cross-section compilation and quality control process can be realized by regional structural stratigraphic framework construction, GSA high efficiency analysis and adjustment, elevation errors quick positioning and adjustment at intersections. This new method solves the problem of inconsistency between the complex geological structures and the real structural geological characteristics and overcomes the defects of local fitting abnormality (depressions or sharp protrusions) of geological interfaces caused by elevation errors at intersections. Software tool is developed based on QuantyView 2D/3D GIS platform, and 73 cross-section data of a 1:50,000 modeling area in western Guizhou, China, is taken as an example for practical application verification. Results show that the proposed new method significantly improves the inspection-adjustment efficiency of GSA and elevation errors at intersections. What’s more, quality of cross-sections compilation-adjustment has been effectively controlled, which provides reliable data sources for constructing high quality regional 3D geological models.
期刊介绍：
The Earth Science Informatics [ESIN] journal aims at rapid publication of high-quality, current, cutting-edge, and provocative scientific work in the area of Earth Science Informatics as it relates to Earth systems science and space science. This includes articles on the application of formal and computational methods, computational Earth science, spatial and temporal analyses, and all aspects of computer applications to the acquisition, storage, processing, interchange, and visualization of data and information about the materials, properties, processes, features, and phenomena that occur at all scales and locations in the Earth system’s five components (atmosphere, hydrosphere, geosphere, biosphere, cryosphere) and in space (see "About this journal" for more detail). The quarterly journal publishes research, methodology, and software articles, as well as editorials, comments, and book and software reviews. Review articles of relevant findings, topics, and methodologies are also considered.
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