Results 21 to 30 of about 39,297 (315)

Extremes in dune preservation: controls on the completeness of fluvial deposits [PDF]

open access: yes, 2015
Understanding sedimentary preservation underpins our ability to interpret the ancient sedimentary record and reconstruct palaeoenvironments and palaeoclimates.
Amsler, Mario Luis   +7 more
core   +1 more source

Influence of Persistent Wind Scour on the Surface Mass Balance of Antarctica [PDF]

open access: yes, 2013
Accurate quantification of surface snow accumulation over Antarctica is a key constraint for estimates of the Antarctic mass balance, as well as climatic interpretations of ice-core records.
Bell, Robin E.   +9 more
core   +3 more sources

Evaluation of local scour around bridge piers for various geometrical shapes using mathematical models

open access: yesAin Shams Engineering Journal, 2018
Bridges are one of the important structures across the Nile River; these bridges may be subjected to collapse if there is no monitoring or safety precaution for local scour during high floods.
Ahmed Moustafa Ahmed Moussa
doaj   +1 more source

Localized Turbulent Flows on Scouring Granular Beds [PDF]

open access: yesPhysical Review Letters, 2005
In many applications a sustained, localized turbulent flow scours a cohesionless granular bed to form a pothole. Here we use similarity methods to derive a theoretical formula for the equilibrium depth of the pothole. Whereas the empirical formulas customarily used in applications contain numerous free exponents, the theoretical formula contains a ...
Gioia, Gustavo, Bombardelli, Fabian A.
openaire   +3 more sources

Experimental reintroduction of woody debris on the Williams River, NSW: geomorphic and ecological responses [PDF]

open access: yes, 2004
A total of 436 logs were used to create 20 engineered log jams (ELJs) in a 1.1 km reach of the Williams River, NSW, Australia, a gravel-bed river that has been desnagged and had most of its riparian vegetation removed over the last 200 years.
Abbe, T.B.   +3 more
core   +1 more source

Development and testing of a fully adaptable membrane bioreactor fouling model for a sidestream configuration system [PDF]

open access: yes, 2013
This article is available through the Brunel Open Access Publishing Fund. Copyright © 2013 MDPI AGA dead-end filtration model that includes the three main fouling mechanisms mentioned in Hermia (i.e., cake build-up, complete pore blocking, and pore ...
Hermia, Ho, Yoo
core   +4 more sources

Experimental investigation of local scour around multi-vents bridge piers

open access: yesAlexandria Engineering Journal, 2015
The harmful effect of local scour around bridge piers and abutments can induce high maintenance costs or even bridge collapse resulting in the disturbance of traffic and possibly human losses.
Yasser A. Mohammed   +2 more
doaj   +1 more source

Erosion caused by propeller jets in a low energy harbour basin [PDF]

open access: yes, 2017
This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of Hydraulic Research on January, 2017, available online at: http://www.tandfonline.com/10.1080/00221686.2016.1252801Field data of a harbour basin are compared ...
García León, Manuel   +4 more
core   +2 more sources

Evolution features of riverbeds near underwater crossing line pipes: An experimental study

open access: yesNatural Gas Industry B, 2020
It is of important significance to study the evolution law of the riverbed near underwater crossing line pipes for ensuring the safe operation of oil and gas pipelines and reducing the risk of damage by water flood disasters.
Qian Yang   +3 more
doaj   +1 more source

Deformation Analysis of Large Diameter Monopiles of Offshore Wind Turbines under Scour

open access: yesApplied Sciences, 2020
The displacement of monopile supporting offshore wind turbines needs to be strictly controlled, and the influence of local scour can not be ignored. Using p–y curves to simulate the pile–soil interaction and the finite difference method to calculate ...
Zhaoyao Wang   +5 more
doaj   +1 more source

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