搜索结果: 1-13 共查到“固体地球物理学 GIS”相关记录13条 . 查询时间(0.125 秒)
基于GIS的地震危险性分区评价方法初探
GIS 日喀则 地震危险性 分区评价
2019/1/4
构建基于GIS的地震危险性分区评价模型，选取地震震级、地震频次、断层长度、断裂时代及断裂性质5个评价要素，依据各要素特征提出相应的定量化处理方法，最后依据各评价要素权重，通过叠加分析获得评价结果；利用这一方法对西藏日喀则地区进行地震危险性分区评价，结果显示：日喀则地区的地震高危险区主要分布于谢通门—拉孜一带及南木林东北，地震危险区主要分布于高危险区外缘、日喀则市区及南木林县的小部分地区，其他地区属...
SEMI AUTOMATED LAND COVER LAYER UPDATING PROCESS UTILIZING SPECTRAL ANALYSIS AND GIS DATA FUSION
NTDB (National Topographic Data Base), Segmentation, Classification, nDSM, data fusion
2018/5/11
Technological improvements made in recent years of mass data gathering and analyzing, influenced the traditional methods of updating and forming of the national topographic database. It has brought a ...
基于三维全景技术的虚拟地震台站构建及GIS应用
全景漫游 三维全景 地震台站 图像拼接
2019/1/4
构建了天津地区三维全景漫游的虚拟化地震观测台站，并介绍了其技术原理、技术路线以及制作技巧。通过网页发布使用户利用浏览器即可了解地震台站的工作环境、仪器设备等信息，同时将三维全景与GIS应用相结合，一方面扩展了防震减灾宣传教育面向的领域，增强了网站的互动性，另一方面也为三维全景漫游技术的应用提供参考。
Effects of the 6th September 2002 earthquake: damage amplification in the south-eastern sector of Palermo explained by GIS technology
GIS seismic response site effects Palermo
2015/9/17
During the 6th September 2002 earthquake the highest damage level in Palermo was observed in the SE sector.
This is a recent urbanization area where reinforced concrete structures predominate. A deta...
A GIS-based application for volume estimation and spatial distribution analysis of tephra fallout: a case study of the 122 BC Etna eruption
Geographic Information System (GIS) Tephra fallout Volume estimation Etna
2015/8/18
In this study, we demonstrate the use of a geo-spatial information system for volume estimation of fallout deposits and for identification of syn-eruptive and post-eruptive depositional mechanisms. Fo...
DESIGN AND IMPLEMENTATION OF A WEB-BASED GIS (IN RESPONSE PHASE) FOR EARTHQUAKE DISASTER MANAGEMENT IN TEHRAN CITY
Earthquakes Disaster Management GIS Web based
2015/7/29
Natural hazards (i.e. earthquakes, floods) become disaster when they strike the man-made environment. To effectively reduce the
impact of every disaster, governments prepare a complete strategy, cal...
THREE-DIMENSIONAL (3D) GIS-BASED TOPOGRAPHICALLY MORPHOLOGICAL ANALYSIS AND DYNAMICAL VISUALIZATION OF ASSATEAGUE ISLAND NATIONAL SEASHORE
Three-dimensional DEM/DTM LIDAR GIS Coast Sea Visualization
2015/7/29
The dynamic and complex nature of shorelines and beach topographic morphology present numerous challenges to geospatial
analysis. Displaying and visualizing changes in these environments requires in...
基于GIS的2.5维场地地震液化势概率评价
场地 地震液化势 砂土 液化概率判别法 Kriging插值法 2.5维GIS 可视化模型
2013/9/27
用具有概率意义的饱和砂土抗液化强度经验公式对2.5维工程场地进行了地震液化势概率评价,通过Kriging法对目标场地区域进行空间插值,可以对大区域工程场地的液化深度和液化范围进行分析评价;采用不规则三角网表面和四面体综合法共同描述地质体模型,在GIS的3维分析模块支持下建立了液化势可视化模型。研究表明:Kriging法通过已勘测点的土层地震液化势来估计未勘测点的土层地震液化势,能够较好地区划出场地...
基于GIS的城市地震建筑物次生火灾蔓延模型
地震次生火灾 蔓延模型 地理信息系统
2013/9/25
考虑城市地震次生火灾发生和蔓延的实际情况,以城市内地震破坏下的建筑物为火灾蔓延的主要载体,从工程应用的角度按不同结构类型给出了次生火灾蔓延参数,并建立了不同类型结构蔓延的临界距离等;考虑地震破坏下和不同风速对燃烧参数的影响,建立了以建筑物为对象的城市地震次生火灾蔓延模型。并以地理信息系统为平台,开发了城市地震次生火灾蔓延模拟系统。该模型的建立可为防御和减轻城市地震次生火灾提供辅助决策,同时对城市日...
GIS and statistical analysis for landslide susceptibility mapping in the Daunia area, Italy
GIS statistical analysis landslide susceptibility mapping Daunia area Italy
2010/10/21
This study focuses on landslide susceptibility mapping in the Daunia area (Apulian Apennines, Italy) and achieves this by using a multivariate statistical method and data processing in a Geographical ...
Detection of local site conditions influencing earthquake shaking and secondary effects in Southwest-Haiti using remote sensing and GIS-methods
Detection local site conditions influencing earthquake shaking secondary effects
2010/10/20
The potential contribution of remote sensing and GIS techniques to earthquake hazard analysis was investigated in SW-Haiti in order to improve the systematic, standardized inventory of those areas tha...
基于GIS的地震灾情速报与快速判定
地震灾害 速报 地震应急 地理信息系统(GIS)
2013/9/26
灾情快速获取是震后应急的关键,研究了一种基于GIS和GSM的震后灾情快速上报与判定方法.该方法通过建立灾情速报员网,为灾情速报提供基础.从宏观的角度,在参考地震烈度表的基础上,实现了对历史灾情的分解和描述,建立了简洁的、便于交互的灾情短信代码.阐述了灾情短信网关的构建方法,实现了灾情短信的群发与群收.通过对灾情短信的解析,论述了基于GIS的灾情范围的动态绘制与快速判断.最后,结合南京市基础地理信息...