[1]YU Yipeng,YANG Yahui,LIN Pengfei,et al.Comparison of Suitability Among Automatic Baseflow Separation Methods for Separating Baseflow in Beiluo River Basin[J].Research of Soil and Water Conservation,2016,23(02):302-307.
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Comparison of Suitability Among Automatic Baseflow Separation Methods for Separating Baseflow in Beiluo River Basin
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
23
Number of periods:
2016 02
Page number:
302-307
Column:
Public date:
2016-04-28
- Title:
- Comparison of Suitability Among Automatic Baseflow Separation Methods for Separating Baseflow in Beiluo River Basin
- CLC:
- P333
- DOI:
- -
- Abstract:
- Baseflow is an essential supply source of streamflow in the dry season. Its variability is very important for ecological health and water resources balance in a region. It is critical to identify a baseflow separating method which is associated with the climatic and physiographic characteristics in the study region. Daily streamflow data at Liujiahe gauge station of Beiluo river basin, one of the catchment in the Middle reaches of Yellow River, were used to analyze the suitability of 9 tools in three types of baseflow separation methods of BFI, HYSEP and digital filtering. The results show that the base flow indices derived from BFI and HYSEP turn to be consistent, and they are all between 0.399 4 and 0.4 281. Particularly, the baseflow and the duration curve estimated by revised BFI can objectively reflect the recession hydrograph. The revised BFI is expected as the most suitable baseflow separation method for loess area in hydrological researches in terms of comprehensive consideration of the variability, stability and the process line of the results form 9 tools.
- References:
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