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    Spatio-Temporal Variability of Seasonal Drought over the Dobrogea Region (2015)
    IGI Global
    In:  EPIC3Extreme Weather and Impacts of Climate Change on Water Resources in the Dobrogea Region, Book, IGI Global, 35 p., pp. 17-51, ISBN: 9781466684386
    Details
    Publication Date: 2015-06-26
    Description: In this study we have examined the spatial and temporal variability of seasonal short-term drought over Dobrogea region over the period 1965 -2005. The dominant mode of spatial variability captures an in-phase relationship of drought conditions over the entire analyzed region, for all the seasons. We show that the Arctic/North Atlantic Oscillation patterns control a significant part of the interannual drought variability over the Dobrogea region in all seasons. Dry (wet) periods in Dobrogea region are associated with geopotential height anomalies at 850mb that project onto the negative (positive) phase of Arctic/North Atlantic Oscillation. Moreover, the SST anomalies from the Atlantic Ocean realm and potential evapotranspiration anomalies over the south eastern part of Romania play also a significant role on the variability of drought conditions over Dobrogea region.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Location Call Number Limitation Availability
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    PAPER (OA)
  • 2
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    Identification of Dry Periods in the Dobrogea Region (2015)
    IGI Global
    In:  EPIC3Extreme Weather and Impacts of Climate Change on Water Resources in the Dobrogea Region, Book, IGI Global, 21 p., pp. 52-72, ISBN: 9781466684386
    Details
    Publication Date: 2015-06-26
    Description: 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).
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Location Call Number Limitation Availability
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    PAPER (OA)
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