EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
6/05/2017 | 11:00 AM - 11:15 AM | SHORT- AND LONG-TERM STREAMFLOW VARIABILITY OF RIVERS IN THE GREAT BASIN, USA | 302B
SHORT- AND LONG-TERM STREAMFLOW VARIABILITY OF RIVERS IN THE GREAT BASIN, USA
Rivers of the Great Basin, USA, are a heterogeneous group of rivers subject to a multitude of flow alteration. In this study, short- and long-term streamflow variabilities of three major rivers in the Great Basin were described. Fourteen years (2002-2016) of continuous daily streamflow data were analyzed for the Carson, Humboldt and Bear River drainages. Hydrological indicators were generated using daily stream-flow records. Subsequently, Principal Component Analyze and hierarchical clustering analysis were used to identify which indicators explain best the variance. Of these, 36 hydrological indicators were selected to describe two scales of streamflow variabilities. As a result, 14 indices for short- and long-term scales were determined. Lowland stream sites of the Carson River were positively correlated to minimum, maximum and variation of mean monthly flows on the long-term scale, and mean and median of daily mean flow on the short-term scale. In contrast, upland sites of three rivers were negatively correlated to these same indicators. The scale of study significantly affects the observation of hydrological similarities among rivers of the Great Basin. Therefore, significant differences in scale-dependent responses of biological communities are expected across the studied drainages.
- C22 Disturbance
- S31 Moving forward in flow ecology: identifying and testing key hypotheses
- C14 Hydroecology & C33 Remote Sensing
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Presenters/Authors
Bolortsetseg Erdenee
(), Department of Biodiversity, Earth and Environmental Science, Drexel University, be83@drexel.edu;
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