Methods for estimating the runoff in watersheds of non-aquifer lithology in Mediterranean environments
DOI:
https://doi.org/10.24310/BAETICA.2002.v0i24.401Abstract
The study of the slopes hydrological behavior has been and is a very recurrent subject as much from the hydrological as of the hydrodynamics optics, throughout the last decades. The Works of Ven Te Chow, (1994); Ward&Robinson, (2000); Horton, (1945); Hewlet, (1967); Smith (1970); Laveeh, (1998); Yair (1985); they constitute good examples of the necessity of explanation of the mechanisms and the relationships between surface water and channels, as well as of the timing and spatial variability of such. This preoccupation is increased in environments where the ecosystems acquire a greater diversity with differential response of the biotics and abiotics factors and, consequently, with a diverse hydrological answer. One of these environments is the Mediterranean, located between arids and humids climates with direct repercussions in the ecogeomorfological system and the hydrological behavior. And in this sense, commonly, the theory of a mechanism own of generation of slope run-off has been accepted under Mediterranean conditions, different from the existing ones in other environments: the denominated discontinuous or mixed hortonian model. This paper tries, from the hydrological optics and accepting the hydrodynamics principles of Mediterranean conditions, to establish the adjustment gears between both approaches. And once determined both models, to compare them with the results of the field experimentation, and to make the adjustments between both approaches, in order to validate the method. All applied it in two slopes of opposed orientation in middle mountains of Malaga.
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