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Shallow water

Using normal mode channel structure for narrow band underwater communications in shallow water

Using normal mode channel structure for narrow band underwater communications in shallow water

... typical shallow water scenario of 100m depth water column with range dependent ...The water column is located over a 10m thick sediment layer with variable ...

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SHALLOW-WATER BATHYMETRY OVER VARIABLE BOTTOM TYPES USING MULTISPECTRAL WORLDVIEW-2 IMAGE

SHALLOW-WATER BATHYMETRY OVER VARIABLE BOTTOM TYPES USING MULTISPECTRAL WORLDVIEW-2 IMAGE

... of shallow sea water has been mainly based on conventional ship-borne echo sounding ...in shallow waters, where a dense network of measured points is ...of water depth were based on the ...

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Shallow-water scleractinian corals of Ascension Island, Central South Atlantic

Shallow-water scleractinian corals of Ascension Island, Central South Atlantic

... a shallow-water dendrophylliid, Balanophyllia helenae Duncan, 1876, is endemic and common at St Helena and well documented by samples depos- ited in museum collections (BMNH, RMNH ...

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Shallow water heterobranch sea slugs (Gastropoda: Heterobranchia) from the Región de Atacama, northern Chile

Shallow water heterobranch sea slugs (Gastropoda: Heterobranchia) from the Región de Atacama, northern Chile

... relatively shallow water in the intertidal; while Berthella platei is found only subtidally, living in the ocean floor usually under 5 m depth (Dirk Schories, 2013, personal ...

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Shallow water tomography with a sparse array during the INTIMATE'98 sea trial

Shallow water tomography with a sparse array during the INTIMATE'98 sea trial

... and water depth, the inversion procedure was split in two stages: in the first stage the geometric parameters where estimated and in the second stage sound speed estimates where ob- ...a shallow ...

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Intertidal and shallow water amphipods (Amphipoda: Gammaridea and Corophiidea) from Isla Pérez, Alacranes Reef, southern Gulf of Mexico

Intertidal and shallow water amphipods (Amphipoda: Gammaridea and Corophiidea) from Isla Pérez, Alacranes Reef, southern Gulf of Mexico

... On the other hand, on the East (windward) side of the island, where the shoreline is exposed and composed of sandy beaches with sea grass beds and rubble beaches with corals and broken shells, the species Cymadusa filosa ...

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A high-order conservative collocation scheme and its application to global shallow-water equations

A high-order conservative collocation scheme and its application to global shallow-water equations

... (2013) that the flux reconstruction can be implemented in a more flexible way, and other new schemes can be generated by properly choosing different types of constraint conditions. In this paper, we introduce a new ...

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UNDERWATER ACOUSTIC CHANNEL MODELING PROPOSAL FOR SHALLOW WATER COMMUNICATION LINK OPTIMIZATION

UNDERWATER ACOUSTIC CHANNEL MODELING PROPOSAL FOR SHALLOW WATER COMMUNICATION LINK OPTIMIZATION

... waveguide modeling also has been a subject of intensive research taking benefit of the increase in available computational power and data volume provided by the new generation of ocean data measurements instruments. In ...

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Ascension Island shallow-water Zoantharia (Hexacorallia: Cnidaria) and their zooxanthellae (Symbiodinium)

Ascension Island shallow-water Zoantharia (Hexacorallia: Cnidaria) and their zooxanthellae (Symbiodinium)

... in shallow subtropical and tropical waters (Karlson, 1980; Swain, 2009; Irei et ...of shallow water zoantharians, particularly in the zooxanthellate genera Palythoa and Zoanthus, may be considerably ...

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Numerical simulation of dispersive shallow water waves with Rosenau-KdV equation

Numerical simulation of dispersive shallow water waves with Rosenau-KdV equation

... Abstract: In this paper, the Rosenau-KdV equation that is one of the significant equations in physics was discussed. The collo- cation finite element method is implemented to find the numerical simulation of the ...

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Water quality and communities associated with macrophytes in a shallow water-supply reservoir on an aquaculture farm

Water quality and communities associated with macrophytes in a shallow water-supply reservoir on an aquaculture farm

... the shallow reservoir is strong predictors to favourable conditions for maintain of great diversity plankton community and macrofauna associated with ...the water column, whereas dry weight was Table ...at ...

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Modeling rapid mass movements using the shallow water equations

Modeling rapid mass movements using the shallow water equations

... of tsunamis in ocean basins (Popinet, 2012) or to model the extent of inundation areas during flooding (An and Yu, 2012) by solving the nonlinear shallow water equations be- ing the standard approximation ...

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Physical limitations of travel time based shallow water tomography

Physical limitations of travel time based shallow water tomography

... In shallow water the interaction of sound with the ocean boundaries plays an important role and time resolution of closely spaced arrivals is generally an important practical ...typical shallow ...

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An In-SAS System for Shallow Water Surveying

An In-SAS System for Shallow Water Surveying

... The on-board PC collects the sonar and navigation data, relaying the obtained measurements to the mission control PC on in the shore or a nearby support boat for immediate supervision. The mission control PC has complete ...

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Resonant excitation of coastal Kelvin waves in the two-layer rotating shallow water model

Resonant excitation of coastal Kelvin waves in the two-layer rotating shallow water model

... Abstract. Resonant excitation of coastal Kelvin waves by free inertia–gravity waves impinging on the coast is studied in the framework of the simplest baroclinic model: two-layer rotating shallow water with ...

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Iterative range estimation in a sloping-bottom shallow-water waveguide using the generalized array invariant

Iterative range estimation in a sloping-bottom shallow-water waveguide using the generalized array invariant

... the water depth at the source range to be esti- ...sloping-bottom shallow-water environ- ment, where a high-frequency source ...the water depth varying from 80 to 50 ...

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Wind extraction potential from ensemble Kalman filter assimilation of stratospheric ozone using a global shallow water model

Wind extraction potential from ensemble Kalman filter assimilation of stratospheric ozone using a global shallow water model

... Wind extraction potential from ensemble Kalman filter assimilation of stratospheric ozone using a global shallow water modelD. Kuhl.[r] ...

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USE OF RAY TRACING MODELING IN SHALLOW WATER ACOUSTIC SOURCE LOCALIZATION COMBINED WITH MATCHED-FIELD PROCESSING TECHNIQUES

USE OF RAY TRACING MODELING IN SHALLOW WATER ACOUSTIC SOURCE LOCALIZATION COMBINED WITH MATCHED-FIELD PROCESSING TECHNIQUES

... by taking advantage of the physics of both the signal and noise structure, which must then be coupled to the specific methods of signal processing. Yet, noise is not the only problem; estimates of source localization can ...

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Geostatistical investigation into the temporal evolution of spatial structure in a shallow water table

Geostatistical investigation into the temporal evolution of spatial structure in a shallow water table

... Abstract. Shallow water tables near-streams often lead to saturated, overland flow generating areas in catchments in humid ...of shallow water tables, and associated saturated areas, is not ...

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Shallow water tomography in a highly variable scenario

Shallow water tomography in a highly variable scenario

... The INTIFANTE sea trial, conducted in the vicinity of Setubal in October 2000, served among ´ others, the purpose of acquiring data for testing OAT at ranges up to 6 km in a range-independent shallow water ...

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