Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL083140 |
Patterns of Floodplain Spatial Heterogeneity in the Southern Rockies, USA | |
Wohl, Ellen; Iskin, Emily | |
2019-06-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:11页码:5864-5870 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Floodplain spatial heterogeneity describes the three-dimensional patchiness of floodplain substrate, surface elevation, and land cover. This heterogeneity results primarily from lateral channel migration and avulsion and decreases under diverse forms of management. Heterogeneity influences floodplain storage time, resilience to disturbance, and biodiversity. We use a data set of 37 floodplain segments covering a range of drainage areas and channel geometries from sites in the Southern Rocky Mountains to examine correlations between floodplain spatial heterogeneity and lateral valley confinement, drainage area, channel planform, and river management. We hypothesized that heterogeneity correlates most strongly with channel planform but found that the best explanatory statistical model included drainage area, planform, and gradient. Pairwise comparisons of means indicate that straight channels have the least heterogeneous floodplains and meandering channels have the greatest, while braided and anastomosing channels have intermediate values. Pairwise comparison of managed and unmanaged river corridors indicates that these populations are significantly different. |
英文关键词 | channel planform lateral valley confinement human alteration floodplain storage river corridor |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000477616200026 |
WOS关键词 | RIVER ECOSYSTEMS ; CHANNEL ; RESTORATION ; DYNAMICS ; VEGETATION ; STREAMS ; CONNECTIVITY ; DOWNSTREAM ; HYPOTHESIS ; EVOLUTION |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/184090 |
专题 | 气候变化 |
作者单位 | Colorado State Univ, Dept Geosci, Ft Collins, CO 80523 USA |
推荐引用方式 GB/T 7714 | Wohl, Ellen,Iskin, Emily. Patterns of Floodplain Spatial Heterogeneity in the Southern Rockies, USA[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(11):5864-5870. |
APA | Wohl, Ellen,&Iskin, Emily.(2019).Patterns of Floodplain Spatial Heterogeneity in the Southern Rockies, USA.GEOPHYSICAL RESEARCH LETTERS,46(11),5864-5870. |
MLA | Wohl, Ellen,et al."Patterns of Floodplain Spatial Heterogeneity in the Southern Rockies, USA".GEOPHYSICAL RESEARCH LETTERS 46.11(2019):5864-5870. |
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