Identification of Dry Periods in the Dobrogea Region

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Author(s): Silvia Chelcea (National Institute of Hydrology and Water Management, Romania), Monica Ionita (Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Germany)and Mary-Jeanne Adler (National Institute of Hydrology and Water Management, Romania)
Copyright: 2016
Pages: 16
Source title: Civil and Environmental Engineering: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-4666-9619-8.ch012

Keywords: Civil Engineering / Engineering Science Reference / Science & Engineering

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Abstract

The main objective of this study is to identify different types of drought (moderate, severe and extreme) in the Dobrogea region based on three indicators: the Standardized Precipitation Index (SPI), the Standardized Precipitation and Evapotranspiration Index (SPEI) and the Standardized Flow Index (SFI). The dry periods, from a meteorological point of view, were identified based on a drought index that takes into account only precipitation (SPI) and another one that takes into account both precipitation as well as mean air temperature (SPEI). To highlight the dry periods from a hydrological point of view we applied the procedure for calculating the SPI to monthly discharge time series, through the Standardized Flow Index (SFI).

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Identification of Dry Periods in the Dobrogea Region

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