alluvium sheet
61Datation des eaux souterraines — Au sein des aquifères, l’âge des eaux souterraines, c est à dire de son temps de transfert de son point d’infiltration vers son exutoire naturel ou non (captage) peut varier du jour au(x) million(s) d’années suivant le contexte géologique et… …
62precipitation — Synonyms and related words: Scotch mist, abruptness, air speed, alacrity, alluvion, alluvium, ash, blood rain, carelessness, celerity, cinder, clinker, deposit, deposition, deposits, desperateness, devil may careness, diluvium, dispatch, downcast …
63scum — Synonyms and related words: aerate, alluvion, alluvium, androcyte, antheridium, antherozoid, apply to, ash, beat, bilge, bilgewater, blanket, block, bones, breakers, canaille, canopy, carrion, cattle, chaff, cinder, clinker, cloak, clothe, cloud …
64fan apron — A sheet like mantle of relatively young alluvium and soils covering part of an older fan piedmont (and occasionally alluvial fan) surface, commonly thicker and further down slope (e.g., mid fan or mid fan piedmont) than a fan collar. It… …
65head slope — [ geomorphology ] A geomorphic component of hills consisting of a laterally concave area of a hillside, especially at the head of a drainageway, resulting in converging overland water flow (e.g., sheet wash); head slopes are dominated by… …
66nose slope — [ geomorphology ] A geomorphic component of hills consisting of the projecting end (laterally convex area) of a hillside, resulting in predominantly divergent overland water flow (e.g., sheet wash); contour lines generally form convex… …
