Results 11 to 20 of about 134,162 (390)

A Dredging Implement [PDF]

open access: greenNature, 1882
I WAS much interested in reading, in the last number of NATURE, Prof. Milnes Marshall's account of his successful trial of a new dredging implement.
W. A. Herdman
openalex   +4 more sources

Dredges on the Mississippi [PDF]

open access: greenScientific American, 1900
n ...
Waldon Fawcett
openalex   +3 more sources

Control of eutrophication in aquatic ecosystems by sustainable dredging: Effectiveness, environmental impacts, and implications

open access: yesCase Studies in Chemical and Environmental Engineering, 2023
This review summarizes current knowledge on sediment dredging to control eutrophication. Emphasis has been given to the effectiveness and environmental impacts of dredging, the release of nutrients from sediment, and the response of cyanobacterial bloom ...
Mumtahina Riza   +5 more
doaj   +1 more source

Near-Field Analysis of Turbidity Flows Generated by Polymetallic Nodule Mining Tools

open access: yesMining, 2021
The interest in polymetallic nodule mining has considerably increased in the last few decades. This has been largely driven by population growth and the need to move towards a green future, which requires strategic raw materials. Deep-Sea Mining (DSM) is
Mohamed Elerian   +3 more
doaj   +1 more source

Governing the Environmental Impact of Dredging: Consequences for Marine Biodiversity in the Niger Delta Region of Nigeria

open access: yesInsights in Mining Science & Technology, 2020
The attention of most scholars and stakeholders is far drawn from the devastation of the environmental consequences caused by dredging related activities, which has necessitated sand filling and pilling including skewed national government policies ...
Raimi Morufu Olalekan
semanticscholar   +1 more source

Stabilizing and Destabilizing Breaching Flow Slides

open access: yesJournal of Marine Science and Engineering, 2023
As a result of the dilation of soil matrix, dense submarine sand slopes can temporarily be steeper than the natural angle of repose. These slopes gradually fail by the detachment of individual grains and intermittent collapses of small coherent sand ...
Said Alhaddad   +3 more
doaj   +1 more source

Assessment of dredging impact on hydrodynamics of Surma River using hydrodynamic model: HEC-RAS approach

open access: yesWater Practice and Technology, 2023
Surma River is the main source of fresh water in the South-Eastern region of Bangladesh. Every year, huge amounts of sediment loads are coming from upstream, which are settling down on the Surma River bed, hindering the safe passage of flow that ...
Pritam Karmakar Rony   +4 more
doaj   +1 more source

Effects of harvesting methods on sustainability of a bay scallop fishery: dredging uproots seagrass and displaces recruits [PDF]

open access: yes, 2005
Fishing is widely recognized to have profound effects on estuarine and marine ecosystems (Hammer and Jansson, 1993; Dayton et al., 1995). Intense commercial and recreational harvest of valuable species can result in population collapses of target and ...
Bishop, Melanie J.   +3 more
core   +3 more sources

A novel approach for the assessment of morphological evolution based on observed water levels in tide-dominated estuaries [PDF]

open access: yes, 2020
Assessing the impacts of both natural (e.g., tidal forcing from the ocean) and human-induced changes (e.g., dredging for navigation, land reclamation) on estuarine morphology is particularly important for the protection and management of the estuarine ...
Cai, H   +6 more
core   +1 more source

Physical-mathematical model of ground adhesion on the surface of the excavating parts of earthmoving machines [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2021
A large number of domestic and foreign scientists were engaged in the wear of the surfaces of the excavating parts of earthmoving machines during their interaction with the ground, as well as the problem of the adhesion of soils on the surface of the ...
Sladkova L.A., Grigorev P.A.
doaj   +1 more source

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