Arid
DOI10.3390/w12051390
Evaluation of Uncertainty Intervals for Daily, Statistically Derived Streamflow Estimates at Ungaged Basins across the Continental US
Levin, Sara B.; Farmer, William H.
通讯作者Levin, SB
来源期刊WATER
EISSN2073-4441
出版年2020
卷号12期号:5
英文摘要Streamflow estimation methods that transfer information from an index gage to an ungauged site are commonly used; however, uncertainty in daily streamflow estimates are often not adequately quantified. In this study, daily streamflow was simulated at 1331 validation streamgauges across the continental United States using four transfer-based streamflow estimation methods. Empirical 95 percent uncertainty intervals were computed for estimated daily streamflows. Uncertainty intervals were evaluated for reliability, sharpness, and overall ability to accurately quantify the uncertainty inherent in the estimated daily streamflow. Uncertainty intervals performed reliably in the Eastern U.S. and Pacific Northwest regions of the country, containing a median of 96 and 99 percent of the observed values respectively. Uncertainty intervals were less reliable in the Great Plains and arid Southwest regions, where uncertainty intervals contained a median of 83 and 94 percent of the observed streamflows respectively. Uncertainty interval performance was correlated with gage density and hydrologic similarity near the validation site, as well as the aridity and baseflow indices at the site.
英文关键词streamflow estimation ungaged basins uncertainty interval QPPQ drainage area ratio
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000555915200169
WOS关键词UNGAUGED CATCHMENTS ; PREDICTION
WOS类目Environmental Sciences ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Water Resources
来源机构United States Geological Survey
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/325423
作者单位[Levin, Sara B.] US Geol Survey, Mounds View, MN 55112 USA; [Farmer, William H.] US Geol Survey, Lakewood, CO 80225 USA
推荐引用方式
GB/T 7714
Levin, Sara B.,Farmer, William H.. Evaluation of Uncertainty Intervals for Daily, Statistically Derived Streamflow Estimates at Ungaged Basins across the Continental US[J]. United States Geological Survey,2020,12(5).
APA Levin, Sara B.,&Farmer, William H..(2020).Evaluation of Uncertainty Intervals for Daily, Statistically Derived Streamflow Estimates at Ungaged Basins across the Continental US.WATER,12(5).
MLA Levin, Sara B.,et al."Evaluation of Uncertainty Intervals for Daily, Statistically Derived Streamflow Estimates at Ungaged Basins across the Continental US".WATER 12.5(2020).
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