Análisis preliminar tipológico, temporal y espacial de los registros publicados sobre paleoinundaciones en España

[EN] Palaeofloods are past flood events recorded in natural archives of different typologies: geologicalgeomorphological (sediments, marks and forms), hydrological-glaciological (water, snow or ice) and biologicalbotanical (dendrochronology and lichenometry). Over the last 25 years, various projects have been undertaken to gather regional palaeoflood data, such as Paleotagus (1997-1999) or SPHERE-GIS (1999-2003). However, to date there is no a national palaeoflood database including palaeohydrologic data. In this context, this research introduces PaleoRiada, a palaeoflood database covering all of Spain and including records of all types of palaeofloods published in the scientifictechnical literature. This database is composed of alphanumeric attributes stored in 7 Access tables that are related (N:M) to two vector files. PaleoRiada contains information from over 70 journal articles, books, and technical reports, which has been used to document more than a hundred palaeoflood events. From the typological, temporal and spatial analyses using query and statistics tools, the following results have been obtained: (i) most of the palaeoflood records correspond to geological typologies of fluvial detrital deposits (67%), followed by botanical biological typologies of dendrogeomorphological evidence such as trees scars (28%); ii) the temporal distribution of paleofloods in the natural record is heterogeneous, with a predominance of events in the last three centuries, although also between 8500-5000 BC (Holocene); iii) the spatial distribution of palaeofloods shows concentrations in certain locations (Puente del Arzobispo, Rambla Mayor, Valsaín. ), due both to the ideal conditions of conservation and to the number of published studies. It is evident that there is a considerable number of palaeoflood records, but it would be appropriate to increase efforts in analyzing more typologies and searching for evidence in those sectors of Spain with scarce records. ; [ES] Las paleoinundaciones son eventos de inundación pretéritos ...