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What is the “active layer”?
Author(s) -
Church M.,
Haschenburger J. K.
Publication year - 2017
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1002/2016wr019675
Subject(s) - active layer , layer (electronics) , event (particle physics) , fluvial , relation (database) , scale (ratio) , term (time) , current (fluid) , geology , computer science , geography , data mining , cartography , geomorphology , physics , materials science , oceanography , nanotechnology , thin film transistor , quantum mechanics , structural basin
We note the presence in the literature of two different concepts of the term “active layer” in relation to fluvial sediment transport. It has been used to represent the current dynamically active streambed surface, or to represent the depth of event‐scale scour and fill. These concepts involve distinct length and time scales. We propose that, when the distinction is important, the concepts be distinguished as either a “dynamical active layer” or an “event active layer.”