Long-Term Variations of the Thermohaline and Dynamic Characteristics of the Black Sea According to the Climatic Data on Temperature and Salinity and Their Assimilation in the Model

Long-Term Variations of the Thermohaline and Dynamic Characteristics of the Black Sea According... We compare the thermohaline and dynamic characteristics of the Black Sea reconstructed by using two versions of climatic temperature and salinity fields:old (1903–1982)and new (1903–2003). The fields are reconstructed with the help of continuous assimilation of the climatic temperature and salinity in the model. It is shown that the climatic thermohaline fields constructed with regard for the data of observations for the last 20 yr are characterized by an insignificant elevation of the halocline (pycnocline)in the winter-spring period and the elevation of the upper boundary of the cold intermediate layer in the spring-summer period. The intensity of surface geostrophic currents is greater than the same quantity computed on the basis of the old climatic data for the whole year. The horizontal currents in the sea computed according to the new climatic data are more intense. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Oceanography Springer Journals

Long-Term Variations of the Thermohaline and Dynamic Characteristics of the Black Sea According to the Climatic Data on Temperature and Salinity and Their Assimilation in the Model

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Publisher
Kluwer Academic Publishers-Consultants Bureau
Copyright
Copyright © 2005 by Springer Science+Business Media, Inc.
Subject
Earth Sciences; Oceanography; Remote Sensing/Photogrammetry; Atmospheric Sciences; Climate Change; Environmental Physics
ISSN
0928-5105
eISSN
0928-5105
D.O.I.
10.1007/s11110-005-0037-y
Publisher site
See Article on Publisher Site

Abstract

We compare the thermohaline and dynamic characteristics of the Black Sea reconstructed by using two versions of climatic temperature and salinity fields:old (1903–1982)and new (1903–2003). The fields are reconstructed with the help of continuous assimilation of the climatic temperature and salinity in the model. It is shown that the climatic thermohaline fields constructed with regard for the data of observations for the last 20 yr are characterized by an insignificant elevation of the halocline (pycnocline)in the winter-spring period and the elevation of the upper boundary of the cold intermediate layer in the spring-summer period. The intensity of surface geostrophic currents is greater than the same quantity computed on the basis of the old climatic data for the whole year. The horizontal currents in the sea computed according to the new climatic data are more intense.

Journal

Physical OceanographySpringer Journals

Published: Oct 17, 2005

References

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