Abstract

In this article we describe works (that were carried out in the frames of NATO Project: NATO CLG: ESP.EAP.CLG. 983876) that have done for creating DEM for selected areas of Armenia with high level of risk where natural disasters such as grounds sedimentation, landslides, mudflows, earthquakes periodically happen. In the future the obtained DEM will be used to create regional system for the monitoring of natural disasters (to control topographic changes on the territories with high level of risk) in the territory of Armenia using tools such as InSAR modeling, systems of mathematical interpretation of digital models, GIS technologies and mathematical models for processing satellite images. The results of monitoring will be periodically presented to local authorities to take measures in order to prevent probable natural disasters impact on population and communications.

Highlights

  • During 2010-2011, joint scientific, Bulgarian - Armenian team is implementing a project of NATO No 983876 (InSAR Modeling and monitoring of Geological Disaster Phenomena in Caucasus region - Armenia), the goal of which is the development of monitoring system for natural disasters on the territory of Armenia with the use of Interferometric Synthetic Aperture Radar (InSAR) modeling tools, systems of mathematical interpretation of digital models, GIS technologies and mathematical models for handling complex images obtained from satellite ENVISAT (Tools SAR, established on satellites ERS - and ERS 2) and ASAR sensors

  • Armenia is situated in the seismically active crescent that stretches from the Alps through the Caucasus and Central Asia to the Russian Federation, along with Turkey and other earthquake-endangered countries

  • The substantial earthquake hazard is due to interactions of major tectonic plates: Indian and Arabian plates are moving north, colliding with the Eurasian plate and resulting in thrust faulting-the ongoing process that created the major mountain ranges from the Caucasus to the Himalayas

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Summary

Introduction

During 2010-2011, joint scientific, Bulgarian - Armenian team (from the Free University of Burgas and the Yerevan State University) is implementing a project of NATO No 983876 (InSAR Modeling and monitoring of Geological Disaster Phenomena in Caucasus region - Armenia), the goal of which is the development of monitoring system for natural disasters (for example, areas where there are rocks of subsidence, landslides or earthquakes) on the territory of Armenia with the use of InSAR modeling tools, systems of mathematical interpretation of digital models, GIS technologies and mathematical models for handling complex images obtained from satellite ENVISAT (Tools SAR, established on satellites ERS - and ERS 2) and ASAR sensors. Interferometric Synthetic Aperture Radar (InSAR) - a coherent active sensitive element of radiovision Interferometric SAR (In-SAR) technique is based on the phase difference information extracted from two complex valued SAR images acquired from different orbit positions and registered in sub-pixel level. This information is useful in measuring several geophysical quantities such as topography, slope, deformation (volcanoes, earthquakes, and ice fields), glacier studies, vegetation growth etc

Geologic Features of Armenia
Landslides and Mudflows
Selection of Areas with High Level of Risk of Armenia
Earthquakes
Findings
Creation of Digital Elevation Models for Selected Risks Territories

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