Results 81 to 90 of about 134,162 (390)

Port capacity forecasting and the impact of the dredging works on port sea operations using discrete event simulation [PDF]

open access: yes, 2016
Continuous capacity expansion is vital for ports to handle future growth due to the increase in volume of maritime transport and size of the vessels. Some improvements and developments are required for the port to enhance
Abdul Malik, Adi Maimun   +3 more
core   +1 more source

Using environmental DNA to detect Microseira wollei (Oscillatoriales), a benthic harmful algal bloom, in Lake St. Clair (Michigan, USA)

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Microseira wollei is a benthic cyanobacterium that can cause harmful algal blooms (HABs) and often requires management. However, a pervasive challenge for M. wollei management is characterizing the spatial and temporal extent of an impacted area, which can be time and resource intensive.
Alyssa J. Calomeni‐Eck   +3 more
wiley   +1 more source

Slip characteristics of planar and rough granite fractures under unloading normal force

open access: yesFrontiers in Earth Science
Unloading processes are common in natural systems. Intense unloading activities can alter the frictional equilibrium of faults and induce their instabilities.
Zongheng Tao   +7 more
doaj   +1 more source

The substantial first impact of bottom fishing on rare biodiversity hotspots: a dilemma for evidence-based conservation [PDF]

open access: yes, 2013
The present study set out to describe the impact of a single first passage of two types of bottom fishing gear on rare protected shellfish beds formed by the horse mussel Modiolus modiolus.
Cook, Robert Lewis   +10 more
core   +3 more sources

Effects of suspended sediments on the sponge holobiont with implications for dredging management

open access: yesScientific Reports, 2017
Dredging can cause high suspended sediment concentrations (SSC) in the water column, posing a hazard to filter feeding organisms like sponges as sediment may clog their aquiferous systems and reduce feeding.
M. Pineda   +5 more
semanticscholar   +1 more source

The dredging machine [PDF]

open access: yesJournal of the Franklin Institute
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openaire   +2 more sources

Free Walking Tours: A Game Theoretical Approach

open access: yesManagerial and Decision Economics, EarlyView.
ABSTRACT Free guided walking tours are becoming increasingly common in cities that are popular tourist destinations. We use game theoretical tools to model and analyze the competition between several tour operators competing in one destination. The model consists of two stages: In the first, each operator decides on the level of effort to invest in ...
Yizhaq Minchuk, Baruch Keren
wiley   +1 more source

Evaluation of near-wall solution approaches for large-eddy simulations of flow in a centrifugal pump impeller

open access: yesEngineering Applications of Computational Fluid Mechanics, 2016
The turbulent flow in a centrifugal pump impeller is bounded by complex surfaces, including blades, a hub and a shroud. The primary challenge of the flow simulation arises from the generation of a boundary layer between the surface of the impeller and ...
Zhi-Feng Yao   +2 more
doaj   +1 more source

A Probabilistic Cut Finite Element Method With Random Field Generator and Bayesian Model Calibration for Flow Through Rough Cracks

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT A new model for the simulation of fluid flow through rough cracks is presented. The model combines a probabilistic cut finite element method (PCutFEM) to capture the unfitted boundary condition at the fluid interface, with a stochastic random field generator to represent the crack asperities.
Brubeck Lee Freeman   +5 more
wiley   +1 more source

Temporal Patterns in Seawater Quality from Dredging in Tropical Environments. [PDF]

open access: yesPLoS ONE, 2015
Maintenance and capital dredging represents a potential risk to tropical environments, especially in turbidity-sensitive environments such as coral reefs.
Ross Jones   +3 more
doaj   +1 more source

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