distributary channel

distributary channel

[də′strib·yə‚ter·ē ‚chan·əl]
(hydrology)
References in periodicals archive ?
Distributary channel and lacustrine delta-fill facies association, marked by lithofacies (St) and (Ms), d.
RMS amplitude 17 ms time-slice and inverted data coherence are shown in Figures 7b and 7c, respectively, where the RMS image shows an N-S sinuous continuity pattern to the east, interpreted as being a small meandering distributary channel which was consistent with the ICP palaeoenvironmental interpretation (2006) and supported by core analysis of well P33 drilled in the channel.
In case the new distributary channel becomes the main channel, which usually implies abandonment of the old channel, leading to a drastic change in the river course; and
Reservoir rocks in BB field are interpreted as fluvial channel, distributary channel, crevasse splay, shoreface and delta front deposits that tend to be discontinuous over short distances.
The channel body at the 580 m level is interpreted as a large distributary channel, based on its incised nature and aggradational style, whereas the Coal Mine Point channel body represents a meandering river that advanced over bayfills, much as the modern Atchafalaya River of Louisiana advanced rapidly once it had filled Atchafalaya Bay (Tye and Coleman 1989).
The delta exhibits a number of common deltaic characteristics, including pronounced levees along the main distributary channel and a distinctive foreslope.
The Cambrian Khewra Sandstone has 6 facies KH1 shows a marginal marine deepening upward sequence, KH2 facies is storm dominant lower shelf or storm dominant pro delta, KH3 facies indicates channel fill and point bar deposits of delta front, KH4 shows a switching delta lobe environment due to marine influx, KH5 shows a changing delta environment, KH6 facie is a distributary channel fill environment.
The authorised discharge of the distributary channel is based on the sum total of CCA of the individual watercourses of the distributary, alter adjusting for the seepage losses.
As the delta constantly built out to the south-west, changes in water depth and migration of the distributary channels produced a very complex set of inter-digitating point bar and channel sands with intervening shales and mudstones.
The project area is located between the Atchafalaya River and Bayou Lafourche and currently receives very little influence form the Mississippi River through those two distributary channels.
Unusually deep scour holes in distributary channels of the Mackenzie Delta are of concern for oil and gas resource development, particularly with respect to buried pipeline crossings.