搜索结果: 1-15 共查到“地图制图技术 RS”相关记录25条 . 查询时间(0.178 秒)
应用遥感与地理信息系统技术构建基于GIS模型的蓄滞洪区空间数据库，对蓄滞洪区内的基础地理数据进行存储、管理，并对空间数据进行可视化和空间分析等操作；运用RS技术对蓄滞洪区内的土地利用、生态环境变化等情况进行动态监测，建立蓄滞洪区发展指标体系；探求蓄滞洪区的和谐发展模式，为蓄滞洪区的可持续发展提供科学依据。
A RESARCH ON THE ASSESSMENT OF REGIONAL ECOLOGICAL SECURITY BASED ON GIS&RS
Ecological security Spatial-temporal change Assessment RS GIS
2015/12/23
Ecological security is an important basis of the entire human security system, the cornerstone for human survival. The assessment of ecological security is crucial for making decisions to avoidecologi...
Evacuation Planning in Earthquake Disasters, Using RS & GIS
Evacuation Planning Disaster Management Optimization RS GIS
2015/12/18
In this research a three-step method was adopted for evacuation planning. At the first step appropriate safe places for evacuation were identified and extracted using RS and image processing technique...
A Study on RS Image Sharing Based on Data Grid
Data Grid Metadata Globus Spatial Data Sharing Geo-spatial Information Service
2015/12/18
Based upon the in-depth analysis of the remote sensing image sharing demand and the status of the current research on it, this paper points out the existing Web-based sharing-model did not eliminate "...
RS-Based Landscape Dynamic Evolution in Areas of Cascade Hydropower Station Construction in the Upper Yellow River
Satellite Remote Sensing Geographic Information System Landscape Metrics
2015/12/11
With the increasing demand for energy sources, a further development hydropower energy resource will be an inevitable choice for China’s resource strategy. The cascade hydropower station construction ...
Research on the Edge of RS Image Based on Cloud Model
Image Edge Model Spectral Fuzzy Logic Cloud model
2015/12/1
To extract rules for detecting edges, it is helpful to have some familiarity with different kinds of edges in order to construct a suitable characterization. Typically, researchers have characterized ...
DETERMINING CURRENT LAND COVER AND POTENTIAL HAZELNUT PLANTATION AREAS USING GIS & RS IN NE BLACK-SEA REGION OF TURKEY, TRABZON
GIS RS Land Cover Agriculture Analysis Landsat ETM+ Hazelnut Trabzon
2015/6/1
In Turkey, hazelnut grows mostly in the Eastern Black Sea Region of the country, and has also a vital impact on regional economical development. Most important task is to determine what areas exactly ...
DESIGN AND IMPLEMENTATION OF “FACTUAL” DATABASES TO SUPPORT GIS/RS ANALYSES OF EARTH SYSTEMS FOR CIVIL SOCIETY
‘factual’ databases field data capture geographic information systems geoscience multidisciplinary surface categorizations remote sensing
2015/3/11
With the increasing access to various types of remotely sensed and ancillary spatial data, there is a growing demand for an independent source of reliable ground data to systematically support informa...
Generation of 3D Model for Urban area using Ikonos and Cartosat-1 Satellite Imageries with RS and GIS Techniques
Digital Elevation Model (DEM) Stereo image Orthoimage 3D city model
2014/12/16
Urban design is a subject that is concerned with the shape, the surface and its physical arrangement of all kinds of urban elements. Although urban design is a practice process and needs much detailed...
利用遥感和地理信息系统技术对Landsat ETM+热红外遥感数据进行处理,反演和计算了哈尔滨城区的地面亮温和植被指数。通过剖面分析,研究了城区温度场的空间格局与植被盖度的关系;通过多元回归分析,揭示了城区热岛效应同多个指数的相关关系。结果表明:市内的道外区是热岛效应的主要分布区,道里区、香坊区的情况也比较严重;铁路沿线区域是城区主要的热岛效应地带;植被盖度和地面亮温呈反相关关系;植被和水体区域可...
研究了基于高分辨率卫星遥感影像的公路水毁灾情信息提取模型,通过解决跨软件环境的开发问题,实现了基于遥感与地理信息系统混合编程的公路水毁灾情信息提取系统。使用高分辨率卫星遥感数据形成融合数据,通过分析融合图像的光谱、几何、纹理特征,建立了公路信息提取规则,构建了面向对象的公路信息提取模型。根据水在近红外和中红外波长范围内反射率极低的特性,同时考虑不同环境背景造成的信息提取复杂性,研究了具有自适应特点...
基于GIS和RS的重庆市滑坡遥感解译
滑坡 地理信息系统 遥感解译
2013/9/25
地处三峡库区腹心的重庆市由于其复杂的自然地理环境及不断增加的人类工程活动,使该市域内滑坡灾害较为频繁。在分析重庆市滑坡特征的基础上,采用高精度遥感影像及基础地形数据,在地理信息系统和遥感等技术支持下综合解译重庆市滑坡灾害,探讨了针对重庆市滑坡灾害的解译和识别方法,为地方政府滑坡灾害防治提供决策支持。
基于遥感和地理信息系统技术,用空间主成分分析法构建评价指标体系,并用层次分析法确定评价指标权重,以滑坡危害最重的贵州省毕节地区为研究区,选取地层岩性、降水量、土地利用、坡度等9个滑坡孕险因子作为评价指标,对该研究区进行了滑坡灾害危险性评价。通过与研究区的历史滑坡灾害记录结果进行比较发现,评价结果与实际状况较为吻合,说明该方法能较有效地用于对区域滑坡灾害危险性的评价。
在RS和GIS的支持下,采用1993年和2008年的2期Landsat TM影像为信息源,对乐清湾土地利用进行了生态风险变化研究。根据不同土地利用方式生态影响的空间分布和梯度变化,利用层次分析法确定了不同土地类型的生态风险权重,构建了一个综合性生态风险指数。通过对生态风险指数采样结果进行空间插值,分析解释了研究区的生态风险空间分布特征与形成机理。结果表明,乐清湾土地利用类型以林地为主,15年来建筑...