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Motion,Commotion,and Biophysical Connections at Deep Ocean Seamounts
Motion Commotion Biophysical Connections Deep Ocean Seamounts
2015/7/7
Seamounts attract the attention of physical oceanographers for a variety of reasons: seamounts play a special role in ocean biology; they may be hydrothermally and magmatically active and thereby feed...
Temporal variability of vertical zooplankton distributions is analyzed on timescales from minutes to days
based on 7 months of acoustic backscatter strength data in Lake Constance. A comparison with ...
The motion performance and mooring system of deepwater semi-submersible drilling unit
deepwater semi-submersible drilling unit motion response response amplitude operators (RAO) mooring system
2011/9/13
This paper analyzes the motion performance and mooring system of deepwater semi-submersible drilling unit in the district of the South China Sea using the MOSES procedure system. After the 3-D panel m...
An Investigation of Longitudinal Motion of the Slender-type Body at Fully Submerged CondituinPart 3 On the Experimental and Empirical Estimation Method of the Hydrodynamic Stability Derivatives
Longitudinal Motion Slender-type Body Hydrodynamic Stability Derivatives
2009/4/29
This paper consists of two parts. The first part is on the outline of renewd large forced motion machanism to be used in the maneuvering test on submerged body and surface ship model in the large towi...
Modeling and simulation of a mini AUV in spatial motion
AUV kinematics model dynamics model motion control simulation
2011/9/9
Accurate modeling and simulation of autonomous underwater vehicle (AUV) is essential for autonomous control and maneuverability research. In this paper, a mini AUV? “MAUV-Ⅱ” was researched and the non...
The Amplitude of Baroclinic Wave Triads and Mesoscale Motion in the Ocean
Baroclinic Wave Triads Mesoscale Motion
2009/3/24
The finite-amplitude dynamics of a resonant triad of baroclinic waves in a slightly unstable baroclinic current is examined. The wave in the triad which is linearly unstable on the current is assumed ...
On Secondary Baroclinic Instability and the Meridional Scale of Motion in the Ocean
Secondary Baroclinic Instability Meridional Scale
2009/3/24
The stability of the marginally stable baroclinic wave in a uniform zonal shear flow is studied. Although the single, marginally stable wave on a horizontally uniform baroclinic current has little or ...
The Role of Vertical Motion in the Heat Budget of the Upper Northeastern Pacific Ocean
Vertical Motion Heat Budget of the Upper Northeastern Pacific Ocean
2009/3/7
A study of the heat budget of the upper northeastern Pacific Ocean demonstrates the importance of heat changes due to vertical motion. Bathythermograph observations are used to form time series of mon...
Comparison of Finite-Element and Finite-Difference Schemes. Part II：Two-Dimensional Gravity Wave Motion
Finite-Element Finite-Difference Schemes Two-Dimensional Gravity Wave Motion
2009/2/23
Irregular grid finite-difference techniques lead to equations similar to those obtained using finite-element techniques. The simpler finite-difference equations offer the advantage of greater computat...
Comparison of Finite-Element and Finite-Difference Schemes. Part I：One-Dimensional Gravity Wave Motion
Finite-Element One-Dimensional Gravity Wave Motion Finite-Difference Schemes
2009/2/23
The finite-element scheme requires more computational expense because it is time-implicit and because it requires a smaller time step than the finite-difference scheme. Simulations of normal mode osci...
A Spectral Theory of Nonlinear Barotropic Motion above Irregular Topography
Nonlinear Barotropic Motion Irregular Topography
2009/2/23
If a field of randomly distributed barotropic eddies interacts with underlying topographic features in a rotating reference frame, the flow is observed to develop, after a time the order of an eddy tu...
The Horizontal Coherency of the Motion of Summer Arctic Sea Ice
Horizontal Coherency Summer Arctic Sea Ice
2009/2/18
Four ice floes in the permanent arctic ice pack were instrumented during the summer of 1975. Spectral and cross-spectral analysis of the complex time series of the ice motion and of the surface winds ...
From current meter and satellite data, an unusual pattern of movement of the Gaspe Current was identified on two occasions in the summer of 1978. On the first occasion, the axis of the current moved o...
Coupling of Internal Wave Motion with Entrainment at the Density Interface of a Two-Layer Lake
Internal Wave Motion Two-Layer Lake Density Interface
2009/2/16
A solution is presented to the problem of a two-layer rectangular basin subject to a suddenly applied, uniform wind stress; Coriolis effects are ignored. The solution is obtained for the case in which...
Observations of Strongly Nonlinear Internal Motion in the Open Sea Using a Range-Gated Doppler Sonar
Strongly Nonlinear Internal Motion Open Sea Range-Gated Doppler Sonar
2009/2/13
A Doppler sonar has been developed at the Marine Physical Laboratory for the remote measurement of the upper ocean velocity field. The sonar transmits a 1° beam at 87.5 kHz, with 3 KW peak power. The ...