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Food web consequences of size-based predation and vertical migration of an invertebrate predator (Leptodora kindtii)
size-based predation an invertebrate predator
2014/4/2
In an intensive study of the vertical and horizontal distribution of zooplankton in a eutrophic lake (Katepwa
Lake), we found that only adult Leptodora kindtii (. 5 mm in body size) exhibited diel ve...
A mechanistic-based framework to understand how dissolved organic carbon is processed in a large fluvial lake
bacterial growth primary production hydrodynamic regime photodegradation residence time ecosystem-based model
2014/4/1
Dissolved organic carbon (DOC) plays a fundamental role in the ecology of aquatic systems. Our current
understanding of the DOC dynamic in fluvial systems, however, is mostly based on empirical...
A method for testing drag-reduction on riblet surfaces based on the Spalding formula
Spalding formula riblet surface drag-reduction testing
2011/9/13
This paper presents a method based on the Spalding formula for testing drag-reduction on riblet surfaces. Its advantage lies in that it is more convenient and yields more precise data compared with te...
Comparison of extended and ensemble based Kalman filters with low and high resolution primitive equation ocean models
Kalman filters low and high resolution primitive equation ocean models
2009/11/11
Kalman filters are widely used for data assimilation into ocean models. The aim of this study is to discuss the relevance of these filters with high resolution ocean models. This was investigated thro...
Circulation in the Bering Sea, 1982–83, Based on Satellite-Tracked Drifter Observations
Bering Sea Satellite-Tracked Drifter Observations
2009/1/21
A satellite-tracked drifting buoy, deployed unintentionally in the Bering Sea in 1982, completed a circuit of that basin in about one year. During its cyclonic passage around the Bering Sea, it experi...
The Use of Land and Sea Based Wind Data in a Simple Circulation Model
South Atlantic Bight Simple Circulation Model Wind Data
2009/1/19
The use of land based wind data in nearshore oceanographic work is common, but these winds do not accurately reflect coastal oceanic winds. Ocean winds are often underestimated by a factor of 2 and di...
Hindcast/Forecast of ENSO Events Based upon the Redistribution of Observed and Model Heat Content in the Western Tropical Pacific, 1964–86
Western Tropical Pacific ENSO Events Model Heat Content
2009/1/7
The redistribution of observed upper-ocean heat content in the western tropical North Pacific for the four-year period 1979–82 was shown by Pazan et al. to provide a qualitative hindcast capability fo...
Evidence of Cross-Frontal Exchange Processes in the Gulf Stream Based on c
Gulf Stream Cross-Frontal Exchange Processes Cross-Frontal Exchange Processes
2009/1/4
A unique set of Lagrangian observations has recently been collected in the Gulf Stream using the newly developed isopycnal RAFOS float. Between January, 1984 and October, 1985, thirty-seven of these d...
Based Marine Radar Images
Marine Radar Images X-band marine radar internal waves Strait of Gibraltar
2008/12/27
An X-band marine radar on Windmill Hill, Gibraltar, was used to monitor the propagation of internal waves in the Strait of Gibraltar during March, April, and June 1986. Surface roughness features of t...
Balance Equations Based on Momentum Equations with Global Invariants of Potential Enstrophy and Energy
balance equations Momentum Equations Potential Enstrophy
2008/12/23
An approximate model for small Rossby number that is close to the balance equations (BE) but that is based on approximate momentum equations is formulated for a rotating, continuously stratified flui...
An Evaluation of ECMWF-Based Climatological Wind Stress Fields
European Centre for Medium-Range Weather Forecasts Seasat-A Satellite Scatterometer
2008/12/16
A new mean monthly wind stress climatology based on seven yeas (1980–1986) of operational weather analyses by the European Centre for Medium-Range Weather Forecasts (ECMWF) has been derived by Trenber...
An Eddy Parameterization Based on Maximum Entropy Production with Application to Modeling of the Arctic Ocean Circulation
Eddy Parameterization Maximum Entropy Production Arctic Ocean Circulation
2008/8/12
An eddy parameterization derived from statistical mechanics of potential vorticity is applied for inviscid shallow-water equations. The solution of a variational problem based on the maximum entropy p...
A Framework for Mesoscale Eddy Parameterization Based on Density-Weighted Averaging at Fixed Height
Framework Mesoscale Eddy Parameterization Density-Weighted Averaging Fixed Height
2008/7/31
A framework for mesoscale eddy parameterization based on density-weighted averaging at fixed height is developed. The method uses the fully non-Boussinesq equations of motion and is connected to the e...
An Investigation of the Dynamics of the East Greenland Current in Fram Strait Based on a Simple Analytical Model
East Greenland Current Fram Strait Simple Analytical Model
2008/7/21
The East Greenland Current (EGC) in Fram Strait is examined in summer, based on the hydrographic data from the MIZEX 84 experiment, and its dynamics is further analyzed using a simple analytical model...
Optical fiber based slide tactile sensor for underwater robots
underwater robot manipulator tactile sensor optical fiber
2011/9/14
In the underwater environment,many visual sensors don’t work,and many sensors which work well for robots working in space or on land can not be used underwater.Therefore,an optical fiber slide tactile...