Results 11 to 20 of about 27,159 (222)

Nitrogen Assimilation in the Freshwater Amphipod <i>Gammarus fossarum</i> is Dominated by Animal-Derived Resources. [PDF]

open access: yesEcol Evol
Based on a systematic feeding experiment with isotopically labeled feed, we challenge the current view on feeding patterns and nutrient processing in gammarids, with opportunistic cannibalism playing a more important role for N‐uptake than the incorporation of N from different plant materials.
Amann K, Hoess R, Auerswald K, Geist J.
europepmc   +2 more sources

Threshold of motion and orientation of bivalve shells under current flow [PDF]

open access: yesBrazilian Journal of Geology, 2023
Disarticulated shells of three bivalve mollusk species (Anomalocardia brasiliana, Codakia orbicularis, and Divaricella quadrisulcata) were experimentally tested in laboratory flumes to determine the threshold of motion and final orientation of the valves.
Felipe Rafael Secco da Silva   +6 more
doaj   +1 more source

Tsunami generation by paddle motion and its interaction with a beach: Lagrangian modelling and experiment [PDF]

open access: yes, 2013
A 2D Lagrangian numerical wave model is presented and validated against a set of physical wave-flume experiments on interaction of tsunami waves with a sloping beach. An iterative methodology is proposed and applied for experimental generation of tsunami-
Buldakov, E
core   +1 more source

Design and analysis of 0.127 m (5″) Cutthroat flu

open access: yesAin Shams Engineering Journal, 2017
The aim of the present work was to perform series of detailed laboratory experiments under steady-state flow conditions through a Cutthroat flume of throat width 0.127 m (5″) and length 0.918 m.
Rajib Das   +4 more
doaj   +1 more source

On the stabilizing influence of silt on sand beds [PDF]

open access: yes, 2013
In marine environments, sediments from different sources are stirred and dispersed, generating beds that are composed of mixed and layered sediments of differing grain sizes.
Bartzke, Gerhard   +3 more
core   +2 more sources

Real time water surface elevation using video camera [PDF]

open access: yesBIO Web of Conferences
In recent years, image processing has become a popular tool in wave flume experiments. In Indonesia, the use of image processing methods for measuring instruments in wave flume experiments has not been widely used.
Zikra Muhammad   +3 more
doaj   +1 more source

Confirmation of vehicle stability criteria through a combination of smoothed particle hydrodynamics and laboratory measurements

open access: yesJournal of Flood Risk Management, 2023
This study combines laboratory experiments and numerical modelling in a novel manner to assess vehicle stability. Assessing vehicle stability forms the basis of hazard classification criteria, which in turn helps in forming safety guidelines for stream ...
Fatima Azhar   +2 more
doaj   +1 more source

LABORATORY FLUME EXPERIMENT WITH A CODED STRUCTURED LIGHT SYSTEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Abstract. The topography of inland deltas is influenced chiefly by the water-sediment balance in distributary channels and local evaporation and seepage rates. In a previous study, a reduced complexity model has been applied to simulate the process of inland delta formation.
Akça, Mehmet Devrim, Seybold, Hansjorg
openaire   +4 more sources

Experimental and Numerical Investigation of Flow Measurement Mechanism and Hydraulic Performance of Portable Pillar-Shaped Flumes in Rectangular Channels

open access: yesShock and Vibration, 2020
Based on the principle of the critical flow and standard k-ε three-dimensional turbulence model, experiments and simulations were performed on a portable pillar-shaped flume with three contraction ratios under 12 working conditions.
Bin Sun   +5 more
doaj   +1 more source

Unscreened water-diversion pipes pose an entrainment risk to the threatened green sturgeon, Acipenser medirostris. [PDF]

open access: yes, 2014
Over 3,300 unscreened agricultural water diversion pipes line the levees and riverbanks of the Sacramento River (California) watershed, where the threatened Southern Distinct Population Segment of green sturgeon, Acipenser medirostris, spawn.
Bandeh, Hossein   +9 more
core   +4 more sources

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