More than a billion people live in informal settlements worldwide. Their high exposure and vulnerability increase the risk of disaster their lives. Global changes challenge capacity to seek practical quick solutions for most disadvantaged groups. Most Costa Rica reside Greater Metropolitan Area (GAM, or Gran Área Metropolitana Spanish), nearly half country are also located there. This paper aim...

Introduction: The war in Ukraine has not only led to complex emergencies and humanitarian crises but also other severe consequences, such as the chemical industry disaster. is one of principal sectors Ukraine’s economy, it estimated that a total volume hazardous accumulation more than 5.1 billion tons. An attack on industrial facilities will lead catastrophic consequences. This thesis aims stud...

This study presents a method to analyze the most critical elements of public road system concerning outer effects which hinder normal operation whole system. The surveyed network in Budapest, Hungary is studied as graph: Dijkstra’s algorithm applied find shortest path, and Boykov-Kolmogorov used calculate maximum flow network. Those are identified whose damage can critically influence network, ...

In this paper, decisional models are introduced aiming at defining a general framework for natural disaster mitigation. More specifically, an integrated approach based on system modelling and optimal resource assignment is presented in order to support the decision makers in preoperational and real-time management of forest fire emergencies. Some strategies for pre-operative and real time risk ...

This research investigates the public's trust in risk-managing organizations after suffering serious damage from a major disaster. It is natural for public trust to decrease in organizations responsible for mitigating the damage. However, what about trust in organizations that address hazards not directly related to the disaster? Based on the results of surveys conducted by a national institute...

introduction: nowadays ionizing radiation has a considerable contribution in medical diagnostic and treatment. using ionizing radiation is increasing rapidly, so biological effects of ionizing radiation should be considered more. x-rays in the range of diagnostic radiology have hazardous effects and risks that are defined as random effects. these effects obey the lnt hypothesis that occur at lo...