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Establishment of digital 3D map based on discrete elevation point data measured in the field
Li, Aimin1,2,3; Han, Zhiwen1; Guo, Caiyun3,4; Zhong, Shuai1,3
2019-03-01
Source PublicationJOURNAL OF EARTH SYSTEM SCIENCE
ISSN2347-4327
Volume128Issue:2Pages:10
Corresponding AuthorHan, Zhiwen(hzwen@lzb.ac.cn)
AbstractThis study established a survey zone digital elevation model (DEM) using highly precise and regularly updated three-dimensional coordinates of the surface of barchan dunes using CASS9.0 software. Two contour plots were drawn, one for the entire survey zone drawn with a contour interval of 0.005 m and one for an individual sand dune drawn with a contour interval of 0.001 m. ArcMap10 was used to define the projection of the created contour lines in DWG format and export the data into shape files to enable the creation of a triangulated irregular network (TIN). Next, TIN data was converted into raster data to facilitate our analysis and data processing. We created the final TIN by using an additional smoothing processing on the desired area that had been clipped out. We added the TIN data to the ArcScene module to establish the final 3D numerical model of barchan dunes. This model extracts and analyzes the changes in the characteristic parameters of the barchan dune as its topography changes in real time so researchers can visualize dune migration and evolution. Their understanding is enhanced by comparing and superposing the various 3D dune models on different days.
KeywordBarchan dune DEM TIN 3D simulation
DOI10.1007/s12040-018-1046-9
WOS KeywordWIND-TUNNEL ; AIR-FLOW ; TRANSVERSE DUNES ; STOSS SLOPE ; SAND DUNES ; MODELS ; SIMULATION ; EVOLUTION ; DEM
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41371025] ; National Science and Technology Support Program[2015BAC06B01-01]
Funding OrganizationNational Natural Science Foundation of China ; National Science and Technology Support Program
WOS Research AreaGeology ; Science & Technology - Other Topics
WOS SubjectGeosciences, Multidisciplinary ; Multidisciplinary Sciences
WOS IDWOS:000456953200001
PublisherINDIAN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49962
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHan, Zhiwen
Affiliation1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China
2.Heze Univ, Coll Urban Construct, Heze 274015, Peoples R China
3.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Li, Aimin,Han, Zhiwen,Guo, Caiyun,et al. Establishment of digital 3D map based on discrete elevation point data measured in the field[J]. JOURNAL OF EARTH SYSTEM SCIENCE,2019,128(2):10.
APA Li, Aimin,Han, Zhiwen,Guo, Caiyun,&Zhong, Shuai.(2019).Establishment of digital 3D map based on discrete elevation point data measured in the field.JOURNAL OF EARTH SYSTEM SCIENCE,128(2),10.
MLA Li, Aimin,et al."Establishment of digital 3D map based on discrete elevation point data measured in the field".JOURNAL OF EARTH SYSTEM SCIENCE 128.2(2019):10.
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