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- W1595726539 abstract "Base flow is an important segment of total runoff. It represents minimum flow during dry season and also prolongs flood wave after quick flow has already been ended. That is why it is very important to consider it at hydrological modeling. Base flow is difficult to define. It could not be directly gauged in nature, we can only use indirect methods. It could also be determinated from streamflow data, from stream hydrograph. But how can we estimate BFI if we don't have streamflow data?In the first part of this thesis base flow is defined and explained and influences on base flow are presented. Different methods for base flow determination and calculation are also presented. Three basic concepts for determination of base flow from streamflow data are introduced. These concepts are: direct determination from stream flow data, frequency analysis and base flow recession analysis. Methods that are used on field like electrical conductivity, tracer analysis or gauging of groundwater levels are also presented. For every concept of base flow determination a few methods are described. In this part is also a description of program BFI of Windows, which is used for BFI values calculation.In the second part of this thesis the analysis of the influence of chatchment characteristics on BFI are made. This analysis includes 20 chatchments in Slovenia. We analysed influence of geographical and climate characteristics, land cover, geological structure, hydrogeological structure and pedological structure of chatchements. Results showed that chatchment slope, area, portion of agricultural land and evaporation have the most significante influence on BFI. Based on the results of such analysis we can create mathematical models for estimation of BFI for ungauged chatchments." @default.
- W1595726539 created "2016-06-24" @default.
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- W1595726539 date "2012-09-25" @default.
- W1595726539 modified "2023-09-27" @default.
- W1595726539 title "Analysis of the influence of catchment characteristics on base flow index" @default.
- W1595726539 hasPublicationYear "2012" @default.
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