DOI: 10.1002/2014GL061980
论文题名: Spatial and temporal patterns in conterminous United States streamflow characteristics
作者: McCabe G.J. ; Wolock D.M.
刊名: Geophysical Research Letters
ISSN: 0094-9766
EISSN: 1944-9497
出版年: 2014
卷: 41, 期: 19 起始页码: 6889
结束页码: 6897
语种: 英语
英文关键词: conterminous United States
; spatiotemporal variability
; streamflow
Scopus关键词: Cluster analysis
; Gages
; conterminous United States
; Flow charac-teristics
; Reference streams
; Spatial and temporal patterns
; Spatial coherence
; Spatiotemporal variability
; Temporal variability
; Trends over time
; Stream flow
; cluster analysis
; flow pattern
; flow velocity
; seasonal variation
; spatiotemporal analysis
; streamflow
; United States
英文摘要: Spatial and temporal patterns in annual and seasonal minimum, mean, and maximum daily streamflow values were examined for a set of 516 reference stream gauges located throughout the conterminous United States for the period 1951-2009. Cluster analysis was used to classify the stream gauges into 14 groups based on similarity in their temporal patterns of streamflow. The results indicated that the temporal patterns in flow metrics (1) have strong spatial coherence within each region, (2) are similar among the three annual flow metrics and the four seasonal flow metrics within each region, (3) indicate some small magnitude trends over time, and (4) are only weakly associated with well-known climate indices. We conclude that most of the temporal variability in flow is unpredictable in terms of relations to climate indices and infer that, for the most part, future changes in flow characteristics cannot be predicted by these indices. Key Points Temporal patterns in streamflow metrics indicate strong spatial coherenceStreamflow metrics covary seasonallyStreamflow is mostly unpredictable in terms of relations to climate indices ©2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84911197306&doi=10.1002%2f2014GL061980&partnerID=40&md5=00e6c2cbdace1f63fb58d191cd1e034a
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7030
Appears in Collections: 气候减缓与适应
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作者单位: U.S. Geological Survey, Denver, CO, United States
Recommended Citation:
McCabe G.J.,Wolock D.M.. Spatial and temporal patterns in conterminous United States streamflow characteristics[J]. Geophysical Research Letters,2014-01-01,41(19).