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Typical types of natural disasters that occur in Korea are damages from heavy rain, storm, and heavy snow. In order to prepare for this, the storm and flood damage insurance program is operated. For t...
Height models are basic information required for disaster Management. Not in any case satisfying and actual height models are available, but they can be generated by satellite stereo pairs being more ...
Drones come in huge variety of shapes, sizes and flight characteristics. They can fly in places where no manned aircraft flies or where a person is not desirable to be. Their ability to perform “3D” –...
Recently, global climate change is one of the biggest challenges in the world. Dense downfall and following catastrophic floods are one of the most destructive natural hazards among all. Consequences ...
In the following study, the authors present the development of a created levee monitoring system – a supplement to the existing programs of flood protection providing flood hazard and risk maps in Pol...
The loss of lives, injuries and the damage on economies that occur as a result of disasters is increasing due to the changing nature. People need to adopt themselves to be able to resist against disas...
Hurricanes occur without any control of human-being, and it causes large scale loss of life and properties. They happen in the very short timeline and cannot be stopped by the people after it starts t...
SAR polarimetry (PolSAR) is a method that can be used to investigate landslides. Polarimetric scattering power decomposition allows to separate the total power received by the SAR antenna, which is di...
The recent seismic swarms, occurred in Italy since August 2016, outlined the importance of deepen Geomatics researches for the validation of new strategies aimed at rapid-mapping and documenting diffe...
Height models are basic information required for disaster Management. Not in any case satisfying and actual height models are available, but they can be generated by satellite stereo pairs being more ...
In the following study, the authors present the development of a created levee monitoring system – a supplement to the existing programs of flood protection providing flood hazard and risk maps in Pol...
Social media is rapidly emerging as a potential resource of information capable to support natural disasters management. Despite the growing research interest focused on using social media during natu...
This paper describes the development of geospatial-based disaster management system for an agency at regional level. Important aspects of the system such as spatial data, geospatial database, interfac...
为研究节理岩体蠕变全过程,引入非线性黏性元件和节理裂隙塑性体,并将其与传统的伯格斯模型串联,得到一种新的复合流变模型。推导该模型一维和三维蠕变本构方程,并运用该复合模型及传统伯格斯模型分别对岩石试样蠕变实验全过程曲线进行辨识,得到模型的各项蠕变参数。研究结果表明:复合流变模型对试验数据的拟合结果明显优于传统伯格斯模型的拟合结果。该模型不仅能充分反映岩石试样的初期蠕变和稳定蠕变过程,而且能很好地描述...
定义因降雨作用,坡体在降雨结束之后出现最不稳定状态(或滑坡)的现象为迟滞现象。根据雨水在土体中的入渗规律,给出2类降雨作用边坡的雨水入渗模型,以说明降雨触发边坡失稳迟滞现象的发生机理。定义临界时间概念。基于渗流-坡体稳定性耦合分析方法,采用数值分析手段研究迟滞现象与坡体土质参数的关联性。研究结果表明:迟滞现象与土体的渗透参数和强度参数均有关联;当渗透系数ks大于1×10-4 m/s,且进气排水能力...

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