Faculty and Researchers' Publications
Japan Sea Thermohaline Structure and Circulation. Part II: A Variational P-Vector Method
(American Meteorological Society, 2001-10)
The second part of this work investigates the seasonal variabilities of the Japan/East Sea (JES) circulation
using the U.S. Navy Generalized Digital Environmental Model (GDEM) climatological temperature and salinity
dataset ...
Hydrostatic correction for sigma coordinate ocean models
(2003)
How to reduce the horizontal pressure gradient error is a key issue in terrain-following coastal models. The horizontal pressure gradient splits into two parts, and incomplete cancellation of the truncation errors of those ...
Temporal and Spatial Variability of Global Upper Ocean Freshwater Content
(Lupine Publishers, 2018-05)
Observational salinity data from the Global Temperature and Salinity Profile Program (GTSPP) are used to identify temporal
and spatial variability of the upper ocean freshwater content (FWC). First, the optimal spectral ...
Environmental effects on underwater optical transmission
(2018)
Optical communication/detection systems have potential to get around some limitations of current acoustic communications and detection systems especially increased fleet and port security in noisy littoral waters. ...
Effect of inter- and intra-annual thermohaline variability on acoustic propagation
(2017)
This paper is to answer the question “How can inter- and intra-annual variability in the ocean be leveraged by the submarine Force?” through quantifying inter- and intra-annual variability in (T, S) fields and in turn ...
Accuracy progressive calculation of Lagrangian trajectories from gridded velocity field
(American Meteorological Society, 2014)
Reduction of computational error is a key issue in computing Lagrangian trajectories 12 using gridded
velocities. Computational accuracy enhances from using the first term (constant 13 velocity scheme), the
first two ...
Ocean spectral data assimilation without background error covariance matrix
(Springer-Verlag, 2016)
Predetermination of background error covariance matrix B is challenging in existing ocean data assimilation
schemes such as the optimal interpolation (OI). An optimal spectral decomposition (OSD) has been developed to ...
Optimal Spectral Decomposition (OSD) for Ocean Data Assimilation
(2015-04)
Optimal spectral decomposition (OSD) is applied to ocean data assimilation with variable (temperature,
salinity, or velocity) anomalies (relative to background or modeled values) decomposed into generalized
Fourier series, ...
Probability Density Function of Underwater Bomb Trajectory Deviation due to Stochastic Ocean Surface Slope
(2010)
Ocean wave propagation causes random change of ocean surface slope and in turn affects the underwater
bomb trajectory deviation (r) through water column. This trajectory deviation is crucial for the clearance
of obstacles ...
Hydrostatic Consistency in Sigma Coordinate Ocean Models
(2003)
Truncation error and hydrostatic inconsistency at steep topography are two concerns in sigma coordinate ocean models due to the horizontal pressure gradient being difference of two large terms. A consensus is reached in ...
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Oceanography (45)