Variability of hydrographic conditions and primary and secondary productivity between cold and warm climatic regimes in the Bering Sea has been the subject of much study in recent years, while interannual variability within a single regime and across multiple trophic levels has been less well-documented. Measurements from an instrumented mooring on the southeastern shelf of the Bering Sea were ...

A hydrographic survey vessel shows three -dimensional movements (Roll, Pitch and Heave) misalignment with respect to the reference unit (VRU) due environmental effects, such as wind, current, other wakes, etc. These motions if ignored, cause errors in measured depth positioning of sounding. Hence need a motion sensor gyroscope. However, alignment multi-beam sonar head gyro (Octant) is critical ...

This Article is brought to you for free and open access by the Ocean, Earth & Atmospheric Sciences at ODU Digital Commons. It has been accepted for inclusion in OEAS Faculty Publications by an authorized administrator of ODU Digital Commons. For more information, please contact [email protected]. Repository Citation Measures, C. I.; Cutter, Greg A.; Landing, W. M.; and Powell, R. T., "Hydr...

Linear hydrographic features, such as coastlines, are geographic features that are difficult to define and portray in a geographic database because of their dynamic nature. What is portrayed in a database as a hydrographic feature many times depends on the specific definition adopted by an organization, and these definitions often reflect organizational, national, or international needs and/or ...

An estimate is made of the three-dimensional global oceanic temperature and salinity variability, omitting the seasonal cycle, both as a major descriptive element of the ocean circulation and for use in the error estimates of state estimation. Historical hydrography, recent data from the World Ocean Circulation Experiment, and Argo profile data are all used. Root-mean-square vertical displaceme...

The International Hydrographic Organization (IHO) is an intergovernmental consultative and technical organization established in 1921 to support the safety of navigational, and to contribute to the protection of the marine environment. One of its primary roles is to establish and maintain appropriate standards to assist in the proper and efficient use of hydrographic data and information. (Ward...