Arid
DOI10.1002/1099-1085(200011/12)14:16/17<2921::AID-HYP127>3.0.CO;2-7
Plot-scale studies of vegetation, overland flow and erosion interactions: case studies from Arizona and New Mexico
Wainwright, J; Parsons, AJ; Abrahams, AD
通讯作者Wainwright, J
来源期刊HYDROLOGICAL PROCESSES
ISSN0885-6087
出版年2000
卷号14期号:16-17页码:2921-2943
英文摘要

Rainfall-simulation experiments have been carried out on a series of plots ranging in size from 1 m(2) to c 500 m(2) in order to observe process and flux-rate changes resulting from the replacement of the dominant vegetation type from grassland to shrubland in the American South-west. Results have demonstrated variations in infiltration rates, flow hydraulics, splash and interrill erosion rates and nutrient transport rates. Furthermore, the shrubland areas develop rills, which are responsible for significant increases in overall erosion rates. The small-plot experiments allow the definition of controlling factors on the processes, and highlight the importance of vegetation controls. Although the small-plot approach has a number of significant advantages, it also has a number of disadvantages, which are discussed in detail. Some of these problems can be overcome with a careful consideration of experimental design. It is argued that plot-scale studies play an important part in improving our understanding of complex, open systems, but need to be integrated with other approaches such as the monitoring of natural events and computer modelling so that mutually consistent understandings of complex ecohydrological systems can be achieved. Copyright (C) 2000 John Wiley & Sons, Ltd.


英文关键词rainfall simulation plot experiments infiltration runoff overland-flow hydraulics raindrop processes splash erosion interrill erosion rill erosion nutrient transport experimental design Sonoran Desert Chihuahuan Desert
类型Article
语种英语
国家England ; USA
收录类别SCI-E
WOS记录号WOS:000166110700008
WOS关键词SOUTHERN ARIZONA ; SEMIARID HILLSLOPE ; SIMULATION EXPERIMENTS ; SEDIMENT-TRANSPORT ; DESERT HILLSLOPES ; INTERRILL RUNOFF ; SONORAN DESERT ; GRASSLAND ; RAINFALL ; INFILTRATION
WOS类目Water Resources
WOS研究方向Water Resources
来源机构University of London
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/139100
作者单位(1)Kings Coll London, Dept Geog, London WC2R 2LS, England;(2)Univ Leicester, Dept Geog, Leicester LE1 7RH, Leics, England;(3)SUNY Buffalo, Dept Geog, Buffalo, NY 14261 USA
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GB/T 7714
Wainwright, J,Parsons, AJ,Abrahams, AD. Plot-scale studies of vegetation, overland flow and erosion interactions: case studies from Arizona and New Mexico[J]. University of London,2000,14(16-17):2921-2943.
APA Wainwright, J,Parsons, AJ,&Abrahams, AD.(2000).Plot-scale studies of vegetation, overland flow and erosion interactions: case studies from Arizona and New Mexico.HYDROLOGICAL PROCESSES,14(16-17),2921-2943.
MLA Wainwright, J,et al."Plot-scale studies of vegetation, overland flow and erosion interactions: case studies from Arizona and New Mexico".HYDROLOGICAL PROCESSES 14.16-17(2000):2921-2943.
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