Important rivers usually have a number of tributary streams which have their sources in the mountains. It is not just water that goes on the journey but sediments, stones and other material. These materials are transported dissolved, in suspension or deposited as sediment at the bottom of the river.
A research team from the Department of Geodynamics at the University of the Basque Country (EHU-UPV) have begun a study in order to find out the amount of sediments transported from the three main river basins of the province of Gipuzkoa in the Basque Country, i.e. the Urola, Urumea and Deba river basins. The aim is to analyse how factors, both natural and non-natural, affect the presence and the transport of these sediments in these waters.
To this end, the upper basins of the aforementioned rivers were selected: Añarbe in the case of the Urumea river, Barrendiola in the case of river Urola and Aixola in the case of the Deba. These three basins were chosen after an exhaustive analysis of their physical parameters (geology, geomorphology, vegetation, hydrology, soils, and so on). Moreover, the three basins have different characteristics and, thus, are representative of different environments in Gipuzkoa.
Garazi Andonegi | alfa
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