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The digital mapping of satellite images under no ground control and the distribution of landform, blue ice and meteorites in the Grove Mountains, Antarctica

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Chinese Journal of Polar Science 2001年第2期12卷 99-108页

作者：孙家抦霍东民周军其孙朝辉 School of Remote Sensing and Informatic Engineering Wuhan University

The colorful satellite image maps with the scale of 1∶100000 were made by processing the parameters-on-satellite under the condition of no data of field surveying. The purpose is to ensure the smooth performance of the choice of expedition route, navigation and research task before the Chinese National Antarctic Research Expedition (CHINARE) first made researches on the Grove Mountains. Moreover, on the basis of the visual interpretation of the satellite image, we preliminarily analyze and discuss the relief and landform, blue ice and meteorite distribution characteristics in the Grove Mountains.

关键词： Grove Mountains parameters-on-satellite satellite image digital mapping blue ice meteorites distribution.

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mapping the Past with Present digital Tools:Historic Urban Landscape Research in Chinese City,Xi’an Walled City Area

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Built Heritage 2018年第4期2卷 42-57页

作者： Xi Wang Feng Han Xiaozhe Bian Zhifeng Li College of Architecture and Urban Planning Tongji UniversityShanghaiChina

In 2015,the Study of Xi’an Historic Walled City Regeneration Strategy applied the Historic Urban Landscape(HUL)Approach through experimenting and testing digital technologies following recommended action steps of HUL *** the context of urbanisation and heritage deterioration happened past decades in Chinese cities,this paper proposes an innovative HUL Information System that can be used to integrate the approach and technical support *** enables comprehensive identification of spatial-temporal relativity of urban landscape morphology,linking between the past and *** use of spatial digital tools such as aerial photo modeling,geographic information system analysis,and space syntax is explored to trace the continuity of the historical landscape in the built *** research team uncovered the context of Xi’an’s cultural and historical landscape through historical literature and related studies over past decades,and summarised and obtained a spatial data set for the dominant historical landscape pattern of the walled city *** with the existing spatial pattern identified by digital tools,the findings showed similarity with historical landscape patterns,including part of a fengshui landform,the 17^(th) to 19^(th) century water system,and an evolving community *** could be explained by the literature and academic research,which demonstrates the influence of historic landscape system in urban *** research aims to show the potential of the HUL Information System as a technical support for urban conservation in Chinese cities,particularly with regard to mapping resources,which is fundamental toward other relevant steps in the HUL approach.

关键词： cultural landscape urban heritage HUL approach information system digital mapping relativity

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Stratigraphy of the MSGBC Basin in the Western Part of Thies by Pixelation and Website Simulation (Senegal, West Africa)

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Open Journal of Geology 2022年第9期12卷 685-705页

作者： Mohamadou Moustapha Thiam Moumar Dieye Adama Dione Abdoul Aziz Ndiaye Mapathé Ndiaye Salimata Ngom Raphaël Sarr Institut des Sciences de la Terre Université Cheikh Anta Diop Dakar Sénégal UFR Sciences de L’Ingénieur UIDT Thiès Sénégal

During this research work we developed another approach to digital mapping using the pixelation technic. This unprecedented digital mapping of the basin MSGBC in Senegal required the compilation of numerous geological data consisting of seismic lines and oil and hydraulic log reports. These spatial reference data include geological information from the surface to the top of the Campanian. The mapped terrains are composed of the Post-Paleocene Complex (PPC), the Paleocene, the Maastrichtian, and the Campanian. The nearest neighbor method has been used to establish the spatial distribution of the different geological formations. Histograms of values were used to determine the confidence intervals of the mapping. They were used to locate areas of low relative error and to apply the 3D digital mapping technique. For instance, Diender Guedj has been mapped at 1:25,000. The result of this mapping is extracted and processed using the DBMS (MySQL) software. The latter allowed both to determine Paleocene gab and update data. And then the database is processed. The programming languages PHP and Javascript have been used to simulate a website.

关键词： MSGBC digital mapping Pixelation Website Simulation

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Progress and prospects in Chinese Antarctic surveying, mapping and remote sensing studies

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Advances in Polar Science 2012年第1期23卷 1-8页

作者： E Dongchen ZHANG Shengkai Chinese Antarctic Center of Surveying and mapping Wuhan University Wuhan 430079 China Key Laboratory of Polar Surveying and mapping SBSM Wuhan 430079 China

Antarctic surveying, mapping and remote sensing is one of the important aspects of the Chinese Antarctic geoscience research program that stretch back over 25 years, since the first Chinese National Antarctic Research Expedition （CHINARE） in 1984. During the 1980＇s, the geodetic datum, height system and absolute gravity datum were established at the Great Wall and Zhongshan Stations. Significant contributions have been made by the construction of the Chinese Great Wall, Zhongshan and Kunlun Stations in Antarctica. Geodetic control and gravity networks were established in the King George Islands, Grove Moun- tains and Dome Argus. An area of more than 200 000 km2 has been mapped using satellite image data, aerial photogrammetry and in situ data. Permanent GPS stations and tide gauges have been established at both the Great Wall and Zhongshan Stations. Studies involving plate motion, precise satellite orbit determination, the gravity field, sea level change, and various GPS applications for atmospheric studies have been carried out. Based on remote sensing techniques, studies have been undertaken on ice sheet and glacier movements, the distributions of blue ice and ice crevasses, and ice mass balance. Polar digital and visual mapping tech- niques have been introduced, and a polar survey space database has been built. The Chinese polar scientific expedition manage- ment information system and Chinese PANDA plan display platform were developed, which provides technical support for Chi- nese polar management. Finally, this paper examines prospects for future Chinese Antarctic surveying, mapping and remote sens- ing.

关键词： Antarctic geodesy remote sensing geographic information system digital mapping

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Application of RgMap system on digital regional geological survey

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Global Geology 2007年第1期10卷 95-99页

作者： Qingying ZHAO Jinxin HE Guoliang WANG Xiumei HAN College of Earth Sciences Jilin University Changchun 130061 China Regional Survey of Geology and Mineral Resource of Jilin Province Changchun 130022 China

digital geological mapping fundamentally broke through the traditional working pattern,successfully carried out the geological mapping *** using the RGMAP system to field digital geological mapping,the authors summarized the method of work and the work flow of the RGMAPGIS during the field geological ***,we prepared material,set up the PRB gallery,then put the geographic base map under the background maplayer and organizing the field hand map,forming the field factual datum *** last,the geological space database is formed.

关键词： digital mapping PRB gallery factual datum map spatial database

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