An alluvial fan is a geological feature that forms when a fast-moving river or water flow slows down and deposits sediment, creating a fan-shaped landform. Full definition
«LA is not a desert,» insisted author D.J. Waldie, referring to the water table in layers of alluvial fan underneath the metropolis, but you'd never know it. (treehugger.com)
The 2014 vintage of our flagship Cabernet reflects all the distinct charactaristics of our vineyard sources, ranging from our bench land site in Yountville to northern St. Helena, to western alluvial fans in Rutherford, to mountain fruit from Spring Mountain and the cool volcanic growing region of Coombsville. (yaofamilywines.com)
Evidence from the Al Sibetah alluvial fan sequence indicates that during insolation maxima, increased monsoon rainfall led to the widespread activation of drainage systems and grassland development throughout regions that were important for the dispersal of early human populations. (sciencedaily.com)