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基于GIS的钻孔信息管理方法研究
钻孔数据 数据库系统 地理信息系统
2016/12/6
钻孔资料是地质调查、资源评价最重要的原始成果,是岩心不可缺少的属性说明资料而有效的存储、管理和利用这些数据,离不开功能强大的数据库管理系统随着地理信息系统软件技术的发展和成熟,将CIS技术、数据库技术引入地质科研中也是地学的发展趋势钻孔数据中的空间特征不能简单的运用常规数据库管理来表述,,而地理信息系统(CIS )技术,以其对空间数据强大的储存查询和分析处理功能而明显区别于普通的数据库管理系统因此...
GIS专业地图学课程的定位思考与教学方法研究
地图学 专业基础课程 引导课程 教学方法
2016/12/6
随着学科的发展和技术的进步,地图学讲授的内容日益拓宽,除了作为CIS专业一门的重要基础课程,还可以起到专业引导课程的作用,同时对提高学生专业素养、文化素养和美学素养也有很大帮助基于以上特点,在地图学授课过程中引入展示教学、演示教学、感受教学和实践教学的方式,提高了课堂教学效果。
基于GIS技术麦积区经济林种植区地形特征分析
经济林 CIS DEM 地形分析
2016/12/6
文中以甘肃省天水市麦积区为例,通过对麦积区果树种植区空间分布情况进行野外调查和DEM地形数据分析运用CIS数据采集与处理、栅格数据分析、专题地图制作等CIS技术,集成了经济林调查成果数据、地形数据、土地调查数据等多来源、多类型数据;对麦积区苹果、桃、花椒等经济林种植区的海拔高程、坡度、坡向等地形特征因素进行研究;生成相应的专题地图;并对种植区的空间分布规律进行分析评价,为该区域经济林种植的规划和科...
基于GIS的慈溪市土壤侵蚀敏感性评价
土壤侵蚀 敏感性评价 地理信息系统 慈溪市
2016/12/23
对影响浙江省慈溪市土壤侵蚀敏感性的各因素进行评价,为该市进行环境功能区划和各项水土保持措施工程的布局调整提供参考。[方法] 借鉴土壤侵蚀流失USLE模型,选取降雨侵蚀力、土壤质地、植被覆盖和地形起伏度4因子构建土壤侵蚀敏感性评价体系,并运用GIS进行土壤侵蚀敏感性分析。[结果] 慈溪市土壤侵蚀敏感性在空间格局上呈半圆环状结构分布,并且轻度敏感区面积为733.05 km2,占比高达75.70%,广泛...
分析甘肃省白龙江流域土壤氮素(全氮、硝态氮和铵态氮)空间变异规律,为土壤氮素管理与流域综合生态系统调控提供科学依据。[方法] 采集0-20 cm土壤氮素样点,室内试验得到样本土壤氮素含量,利用ArcGIS 10.2和地统计学方法等探讨研究区内土壤氮素的空间异质性和分布格局。[结果] 土壤全氮、硝态氮和铵态氮都属于中等强度变异,变异系数范围在35%~90%之间;土壤氮素半方差模型的块基比在25%~7...
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近日,南京师范大学地理科学学院的本科生于天星等同学在地理信息科学国际顶级刊物《International Journal of Geographical Information Science》(SCI TOP)上发表论文——《A new algorithm based on region partitioning for filtering candidate viewpoints of mul...
GIS-BASED FUZZY COMPREHENSIVE EVALUATION OF FOREST FIRE-POTENTIAL ZONE-GRADING
Forest Fire-danger Division Scale Fuzzy Comprehensive Evaluation Subordinate Function Expert Evaluation Methodlogy GIS Visual Basic
2016/3/17
Forest fire-potential is natural disaster that breaks out strongly , destructs largely and is difficult to dispose and rescue, its destructive power has a serious threat to the security ofsociety and ...
3D-GIS FOR BARRIER LAKE DISASTER REDUCTION AND RISK MANAGEMENT
Barrier lake 3D GIS emergency management disaster reduction
2016/3/17
On May 12, 2008 a large earthquake occurred in Wenchuan, resulting in significant casualties and enormous property loss, and shocked the world. Then the Tangjiashan barrier lake caused byearthquake, m...
USE OF REMOTE SENSING AND GIS FOR FLOOD HAZARD MAPPING IN CHIANG MAI PROVINCE,NORTHERN THAILAND
flood disaster hydrologic model HEC-RAS
2016/3/17
Throughout the human history floods have been an integral part of the civilization. Still men have not quite coped well to live with floods. Flood hazards result from a combination of physical exposur...
RESEARCH ON MINERAL RESOURCES PLANNING AND MANAGEMENT INFORMATION SYSTEM BASED-ON GIS TECHNOLOGY
Mineral Resources Planning and Management GIS Function Design Database Design Secondary Development
2016/3/17
Mineral resources are important non-renewable resource, its reserves are limited. However, with the social development and population growth, the depletion of mineral resources is increasing rapidly, ...
TV BROADCASTING FREQUENCY PROGRAMMING BASED ON GIS
Shoreline Frequency Programming Spatial Analysis Spatial Visualization Data Integration Model Assistant Decision-making
2016/3/17
In recently years, GIS has a high-speed development and has made a great progress in its own field. This paper applies theory and method of geographic information system to TV Broadcasting frequency p...
RESEARCH ON THE FORMALIZATION DESCRIPTION OF USER REQUIREMENT IN GIS DEMAND-BASED SERVICES
Formalization Description User Requirement Custom Product Generalization Map Cartography On-demand Services
2016/3/17
The formalization description of user needs is one of key issues in GIS on-demand services. A number of user demand documents is collected, the paper analyzes them in semantics and geometric aspects, ...
ANALYSIS OF GROUND MOTION PARAMETERS AND GROUND LIQUEFACTION PREDICTION USING GIS FOR KUNMING BASIN,CHINA
Geological Structure Earthquake Fractures Ground Motion Parameters Zonation Attenuation Model Ground Liquefaction GIS
2016/3/17
In this paper the geological structure and earthquake activity nearby Kunming Basin, Yunnan, China, have been studied. Different ground motion attenuation models used in Japan and in Yunnan, China,hav...
GIS ANALYSIS FOR DETERMINING OF POTENTIAL LANDSLIDE AREA DISTRIBUTION PATTERN
landslide distribution potentially dangerous area GIS
2016/3/17
Landslide is one of disasters that occur frequently in Indonesia. It shows the natural reaction form of slope instability. Such unbalance is caused by natural factors as well as human factors. The nat...
ENHANCING STUDENTS’ ABILITY IN READING CONTOUR MAPS USING GIS
Digital Terrain Models E-Learning Map Reading
2016/1/29
Terrain relief is an important feature of geographic environment and a major element of topographic maps. Contour lines are widely adopted as representation of terrain relief in traditional maps. In g...