Journal ArticleDOI
Predicting dredging-associated effects to coral reefs in Apra Harbor, Guam - Part 1: Sediment exposure modeling
Joseph Z. Gailani,Tahirih C. Lackey,David King,Duncan B. Bryant,Sung-Chan Kim,Deborah J. Shafer +5 more
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The goal of this research is to develop a robust methodology for quantifying and bracketing exposure mechanisms to coral (or other receptors) from dredging operations to help predict effects from various dredging scenarios.About:
This article is published in Journal of Environmental Management.The article was published on 2016-03-01. It has received 11 citations till now. The article focuses on the topics: Dredging.read more
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Coral morphology and sedimentation
TL;DR: The sediment rejection ability of 8 coral species of 5 families and 3 morphologies was assessed and turbidity generated in natural and dredging-related resuspension events and in the context for impact prediction for dredging projects is discussed.
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Sediment management in coastal infrastructures: techno-economic and environmental impact assessment of alternative technologies to dredging.
TL;DR: The comparison shows that dredging has both the higher costs and environmental impact, while fixed sand by-passing plants are characterized by the lowest environmental impact and operation costs that are competitive with dredging.
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Low sediment loads affect survival of coral recruits: the first weeks are crucial
TL;DR: Experiments indicated that newly settled coral recruits are most sensitive to sedimentation within the first two to four weeks post settlement, and the co-occurrence of moderate sedimentation events during and immediately after periods of coral spawning can therefore reduce recruitment success substantially.
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Challenges in Current Coral Reef Protection – Possible Impacts of UV Filters Used in Sunscreens, a Critical Review
Mareen Moeller,Sascha Pawlowski,Mechtild Petersen-Thiery,Ingo B. Miller,Samuel Nietzer,Yannik Heisel-Sure,Matthias Y. Kellermann,Peter J. Schupp +7 more
TL;DR: A review of the literature on the effects of various UV filters on scleractinian corals can be found in this article, where the authors describe what a scientifically sound testing proposal should include to obtain reliable and reproducible data, which ultimately should result in an internationally organized standardized ring test trial.
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On the settling of marine carbonate grains: Review and challenges
TL;DR: A review of the settling hydrodynamics of carbonate grains and associated particle properties, such as shape, grain size and density, can be found in this paper, with a focus on carbonate particles.
References
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Journal ArticleDOI
Environmental Impacts of Dredging and Other Sediment Disturbances on Corals: A Review
TL;DR: The results of this analysis reveal a significant relationship of coral sensitivity to turbidity and sedimentation with growth form, but not with calyx size, and meaningful criteria to limit the extent and turbidity of dredging plume effects will always require site-specific evaluations.
Book
Introduction to the Physics of Cohesive Sediment in the Marine Environment
TL;DR: In this article, boundary layer flow and sediment-fluid interaction in cohesive sediment are investigated. But the 1DV Point Model is not suitable for the measurement of cohesive sediment.
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Validation of Three‐Dimensional Hydrodynamic Model of Chesapeake Bay
TL;DR: In this article, a time-varying 3D numerical hydrodynamic model of the Chesapeake Bay in Maryland has been developed to provide flow fields to a 3D water quality model.
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Characteristics of suspended particles at an 11‐hour anchor station in San Francisco Bay, California
Kate Kranck,Timothy G. Milligan +1 more
TL;DR: In this article, the authors presented hourly measurements of suspended sediment in situ floc size distributions, constituent grain size distribution, total concentrations, and average particle densities for five depths from an 11-hour anchor station in San Francisco Bay.
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Size and settling velocities of cohesive flocs and suspended sediment aggregates in a trailing suction hopper dredge plume
TL;DR: In this paper, a field experiment was conducted to quantify settling velocities, aggregate states, and flocculation within a hopper dredge plume, where a profiling instrumentation frame was positioned within the plume using Acoustic Doppler Current Profiler (ADCP) backscatter.