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Morphology and sedimentology of a tributary confluence bar in a regulated river: North Tyne, U.K.
Author(s) -
Petts Geoffrey E.,
Thoms Martin C.
Publication year - 1987
Publication title -
earth surface processes and landforms
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.294
H-Index - 127
eISSN - 1096-9837
pISSN - 0197-9337
DOI - 10.1002/esp.3290120409
Subject(s) - confluence , tributary , sedimentology , bar (unit) , geology , channel (broadcasting) , facies , geomorphology , hydrology (agriculture) , geotechnical engineering , geography , oceanography , engineering , structural basin , telecommunications , cartography , computer science , programming language
The form and structure of a tributary confluence bar in a regulated channel are analysed and related to channel adjustment to the imposed flow regime. The bar is characterized by a tripartite structure with two facies, and by marked lateral coarsening, characteristics which relate to the changing hydraulic conditions within the narrowing channel form.