Results 31 to 40 of about 270,393 (160)

Learning from a plan-based interface [PDF]

open access: yes, 1988
The use of plan recognition in the user interface is presented as a basis for a learning environment within which students can assimilate the range of possible actions and objectives afforded by a target application.
Weir, George
core   +1 more source

Summary document of the work being done in 1992-1993 regarding the migratory salmonid fisheries of the River Ribble catchment [PDF]

open access: yes, 1994
This document lists the work on salmonid fisheries in the River Ribble catchment in the north west of England which was done in 1992-93. The document includes the following: analysis of historical catch data from the River Ribble covering 1937-1991 ...

core  

Ice-Cover and Jamming Effects on Inline Structures and Upstream Water Levels

open access: yes, 2017
River ice cover is a reoccurring phenomenon in the Northern United States every year. Sheets and layers of ice result in a rise of water surface elevation and may lead to ice jams in a river.
Ahmad, Sajjad   +3 more
core   +1 more source

Validation of the performance of the Aquantic 2100A fish counter [PDF]

open access: yes, 1994
This report looks at the validation of the performance of the Logie 2100A fish counter which was carried out at Forge Weir (River Lune) and Gunnislake Fish Pass (River Tamar), using a video recording ...
Apprahamian, M.W.   +3 more
core  

Hydraulic analysis of a compound weir (triangular-rectangular) simulated with computational fluid dynamics (CFD)

open access: yesTecnología y ciencias del agua, 2021
To make an efficient delivery of water to irrigation users, it is necessary to have accurate dispositive to measure flow rates. These dispositive include triangular and rectangular weirs for measured flow rates ranges between 30 and 200 l s-1.
Erick Dante Mattos-Villarroel   +5 more
doaj   +1 more source

Use of laser-scan technology to analyse topography and flow in a weir pool [PDF]

open access: yes, 2012
The development of laser-scan techniques provides opportunity for detailed terrain analysis in hydrologic studies. Ground based scans were used to model the ground surface elevation in the area of a stream gauge weir over an area of 240 m<sup>2</
J. A. Webb   +5 more
core   +3 more sources

Comparison of Hydraulic Performance of Linear and Nonlinear Piano-Key Weirs in Plan

open access: yesعلوم آب و خاک, 2019
In this research, by using FLOW3D, the performance of non-linear (arced) piano key (PKW-NL) in plan and linear piano key weir (PKW-L), with equal length of weir, was compared.
A. Rezaei Ahvanooei   +2 more
doaj  

Influences of sedimentation on overflow properties of sharp-crested weir

open access: yesInternational Journal of Sediment Research
A sharp-crested weir is the simplest type of weir and is mainly used for discharge measurement in open channels. The surface profile of an ogee weir also is designed based on the lower nappe profile of the free jet passing over a sharp-crested weir.
Mohammad Mehdi Farzanmehr   +1 more
doaj   +1 more source

Impact des aménagements sur la migration anadrome du saumon atlantique (Salmo salar L.) sur le gave de Pau (France)

open access: yesKnowledge and Management of Aquatic Ecosystems, 1999
Le suivi par radiotélémétrie de la migration anadrome de 114 saumons atlantiques sur le Gave de Pau, réalisé de 1995 à 1997, a permis d'étudier l'impact de 31 des 37 obstacles érigés sur l'axe de migration.
CHANSEAU M., CROZE O., LARINIER M.
doaj   +1 more source

The LEXSYS project [PDF]

open access: yes, 1998
this paper, at the point where lemmas are associated with tree families: each lemma / family combination would have a separate probability. Carroll and Weir (1997) outline other alternative probabilistic models, some of which we also intend to ...
Carroll, John   +4 more
core   +1 more source

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