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backwater zone

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<b>Backwater</b>-<b>zone</b> characteristics of a fluvial system (modified from  Li et al...
Published: 23 October 2017
Figure 15.— Backwater-zone characteristics of a fluvial system (modified from Li et al. (2006) . A) Generic fluvial profile and location of zones related to the backwater length. B) Graph of meander-bend migration rate and channel-belt width/thickness ratio compared to normalize distance
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Paleogeographic map of Parasequence 3. Fluvial channel belts mapped from ou...
Published: 28 October 2020
Fig. 13.— Paleogeographic map of Parasequence 3. Fluvial channel belts mapped from outcrops indicate a predominant meandering pattern with diverse paleoflow directions. These channel belts are located near the upstream limit of the backwater zone using the lower-range backwater length and within
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Generalized schematic to illustrate the typical channel-belt styles within ...
Published: 28 February 2018
Figure 5. Generalized schematic to illustrate the typical channel-belt styles within the backwater zone. The backwater zone consists of non-amalgamated ribbon-like sand bodies or channel belts and associated crevasse splay deposits that transition downdip to low-gradient anastomosing channel
Series: GCSSEPM
Published: 01 January 2014
DOI: 10.5724/gcs.14.33.0372
EISBN: 978-0-9836097-9-7
... on trunk stream reaches upstream from backwater effects, so as to minimize inclusion of distributive, highly avulsive systems. The other component investigates channel belt and channel patterns within backwater zones. All scaling relationships are represented by statistically significant power laws...
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Map demonstrating the mixed gravel and sand channels transitioning to sand ...
Published: 01 July 2016
Figure 11. Map demonstrating the mixed gravel and sand channels transitioning to sand channels for each of the seven major distributary channels, and the calculated backwater zones for the channels. The elimination of gravel occurs upstream of the backwater zone estimated for all channels.
Journal Article
Published: 12 March 2018
Journal of Sedimentary Research (2018) 88 (3): 311–326.
... sand with rare pebbles over a slope on the order of 0.0005. Corresponding backwater lengths were on the order of 10 km. Recent models show that channels in the backwater zone should experience greater levels of aggradation, versus rivers landward of the backwater, which may show greater lateral...
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Journal Article
Published: 01 May 2016
Journal of Sedimentary Research (2016) 86 (5): 476–497.
...Luca Colombera; Michelle N. Shiers; Nigel P. Mountney Abstract: The backwater zone of a river is its distal reach downstream of the point at which the streambed elevation reaches sea level. Backwater hydraulics is believed to exert an important control on fluvio-deltaic morphodynamics...
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Journal Article
Published: 16 October 2018
Journal of Sedimentary Research (2018) 88 (10): 1190–1204.
...). Within this reach, a reduction of the bed shear stress promotes deposition of coarse-grained sediment and the emergence of the gravel–sand transition of the river. The lateral migration of the channel continuously decreases over time, and rates < 5 m/yr can be observed in the reservoir backwater zone...
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Journal Article
Published: 31 July 2018
Journal of Sedimentary Research (2018) 88 (7): 850–872.
...John Martin; Anjali M. Fernandes; Jennifer Pickering; Nick Howes; Simon Mann; Katja McNeil Abstract As large, deep rivers enter their coastal reaches, they are usually affected by a lengthy backwater zone. Recent studies have demonstrated pronounced geomorphic effects, such as channel deepening...
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