Scholarly record

GEODATABASE FOR OCCURRED FLOODS TO SUPPORT PRELIMINARY FLOOD RISK ASSESSMENT

Snezhanka Stoyanova

Abstract

Floods are a phenomenon that over the centuries has a strong impact on societies around the world. An overview of historical information can help for better understanding the factors that lead to extreme events like floods. The description of past floods is an important part of the preliminary flood risk assessment. Such information is usually available in various documents, articles published in the media and etc. In order to assess the adverse effects of floods, it is necessary to analyze and combine different information. This paper presents the ability to use the Geographic Information Systems (GIS) applications for data processing. Data is presented as the information related to the recording of floods occurring on the territory of the Republic of Bulgaria. The Archive includes a GIS (.shp format) file presenting flood location with attribute data (e.g., type of flood, dates, duration, and fatalities). Hyperlinks are set up to connect affected area with excel file that is comprehensive set of synoptic, meteorological and hydrological information, based on data from National Institute of Meteorology and Hydrology (NIMH). Additionally layers with meteorological, hydrometric stations are presented. The data is organized in GeoDatabase.

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