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Suelos sobre terrazas y glacis de la depresión media del Ebro

Authors: Alberto Giménez, Francisco; Machín Gayarre, Javier; Cuchi Oterino, José Antonio; Poza Poza, María Rosa;

Suelos sobre terrazas y glacis de la depresión media del Ebro

Abstract

Desde el punto de vista agronómico son suelos muy interesantes, puesto que se presentan en superficies topográficas horizontales (o prácticamente horizontales), no presentan problemas de drenaje, ni de acumulación de sales, son fáciles de trabajar (texturas medias) y tienen pocos problemas de erosión. Evidentemente todas estas características son la mejor garantía de que no se producirán problemas de salinización, principal inconveniente de la puesta en riego. Como sustrato para cimentaciones y asiento de instalaciones industriales o de seryicios, tales como canales, carreteras, aeropuertos, etc., no presentan problemas específicos y su grado de bondad depende del nivel de terraza o glacis. La costra se utiliza con alguna frecuencia como material de construcón local, especialmente en instalaciones agrícolas tales como pajares, parideras y casetas. Evidentemente quedan circunscritas a costras de las terrazas altas en las que ésta ofrece una cierta resistencia y donde no hay otro material mejor. En ocasiones se ha empleado como materia básica para la obtención de cal.

Los suelos aluviales, juntamente pon los que presentan cementaciones o costras calizas y desarrollados sobre terrazas y glacis, forman una entidad propia en la Depresión Media del Ebro, en la que ocupan áreas importantes. Ambos grupos representan casi un 13 % de la superficie total de las provincias de Huesca, Lérida, Logroño y Zaragoza. En el resto de España, estos suelos son también frecuentes.

114 Pags.- Tabls.- Cuadrs.- Figs.- Maps. Documento mecanografiado, con difusión limitada en su versión original.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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