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- Title
The influence of land use, soils and topography on the delivery of hillslope runoff to channels in SE Spain.
- Authors
Kirkby, Mike; Bracken, Louise; Reaney, Sim
- Abstract
Focuses on hydrologically similar surfaces (HYSS) that have been used to identify catchment areas that have a similar response to rainfall and have been identified at a number of scales. How HYSS have been identified at the subcatchment scale for the Rambla de Nogalte in SE Spain; Areas that were distinguished by using a combination of geology, land use and topography; Comparison of this mapping with discharge estimates made throughout the catchment following a seven-year return interval flood in September 1997; Presentation of a simulation model that has been developed to investigate the way in which the hydrological response of areas within a HYSS respond to changes in source area, gradient, connectivity to the channel, storm size and intensity profile; How this is one of the first studies using a hillslope model to investigate spatial patterns of runoff-response in semi-arid areas and results have implications for scaling up hydrological response, and on how the dynamics of runoff producing areas vary both under changing storm conditions and over time; Results indicating that the nature of stream-slope coupling differs substantively between semi-arid and humid areas.
- Subjects
SPAIN; HYDROLOGICAL research; HYDROLOGY; FLOODS; RUNOFF; SPATIAL ecology
- Publication
Earth Surface Processes & Landforms, 2002, Vol 27, Issue 13, p1459
- ISSN
0197-9337
- Publication type
Article
- DOI
10.1002/esp.441