Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 박지형 | * |
dc.date.accessioned | 2016-08-28T10:08:13Z | - |
dc.date.available | 2016-08-28T10:08:13Z | - |
dc.date.issued | 2013 | * |
dc.identifier.issn | 0022-1694 | * |
dc.identifier.other | OAK-10266 | * |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/223874 | - |
dc.description.abstract | River discharge is a commonly measured hydrologic variable; however, estimate uncertainty is often higher than acceptable limits. To quantify method limitations and spatiotemporal variability, a multi-year hydrologic flow partitioning investigation was completed under monsoonal conditions in the ungauged complex terrain of the Haean Catchment, South Korea. Our results indicate that sediment transport from a single annual monsoonal event can significantly modify the channel cross-sectional area resulting in inaccurate stage-discharge rating curves. We compare six discharge measurement methods at 13 locations that vary in slope from 1% to 80%, with discharge ranging up to four orders in magnitude, which enabled us to weight the accuracy of each method over a specific range in discharge. The most accurate discharge estimation methods are the weir, the acoustic Doppler current profiler, and the in-stream velocity area method; however, under certain conditions each of these methods is less desirable than other methods. The uncertainty in the three methods is on average 0.4%, 4.7%, and 6.1% of the total discharge, respectively. The accuracy of the discharge estimates has a direct influence on the characterization of basin-wide hydrologic partitioning, which can lead to significant variability in sediment erosion rates and nutrient fate and transport. © 2013. | * |
dc.language | English | * |
dc.title | A weighted, multi-method approach for accurate basin-wide streamflow estimation in an ungauged watershed | * |
dc.type | Article | * |
dc.relation.volume | 494 | * |
dc.relation.index | SCI | * |
dc.relation.index | SCIE | * |
dc.relation.index | SCOPUS | * |
dc.relation.startpage | 72 | * |
dc.relation.lastpage | 82 | * |
dc.relation.journaltitle | Journal of Hydrology | * |
dc.identifier.doi | 10.1016/j.jhydrol.2013.04.035 | * |
dc.identifier.wosid | WOS:000321466200007 | * |
dc.identifier.scopusid | 2-s2.0-84878452454 | * |
dc.author.google | Shope C.L. | * |
dc.author.google | Bartsch S. | * |
dc.author.google | Kim K. | * |
dc.author.google | Kim B. | * |
dc.author.google | Tenhunen J. | * |
dc.author.google | Peiffer S. | * |
dc.author.google | Park J.-H. | * |
dc.author.google | Ok Y.S. | * |
dc.author.google | Fleckenstein J. | * |
dc.author.google | Koellner T. | * |
dc.contributor.scopusid | 박지형(8540341100) | * |
dc.date.modifydate | 20240322131715 | * |