On the causes of decrease in the surface temperature of water in the karkinitskii bay of the black sea

On the causes of decrease in the surface temperature of water in the karkinitskii bay of the... We consider the causes of decrease in the surface temperature of water in the northwest part of the Black Sea on the basis of the analysis of satellite data and the results of numerical simulations. We use the satellite data (NOAA-15/17) with a resolution of 1 km obtained for May–October 2005–2008, the data of reanalysis, and a three-dimensional numerical model. By using the data of observations, we discover a zone of lowered surface temperature in the Karkinitskii Bay propagating in the presence of stable northwest wind. To determine the causes of decrease in the sea-surface temperature in the Karkinitskii Bay, we carried out a special numerical experiment. The analysis of the balance of terms in the heat-transfer equation for the upper mixed layer shows that the variations of temperature of the upper layer of the sea in the north part of the Karkinitskii Bay under the action of northwest wind are indeed governed by the vertical ascending motions of waters (i.e., by upwelling) but the appearance of cold waters in the south part of the bay for the same wind is caused by the horizontal advection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Oceanography Springer Journals

On the causes of decrease in the surface temperature of water in the karkinitskii bay of the black sea

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Publisher
Springer US
Copyright
Copyright © 2012 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/s11110-012-9131-0
Publisher site
See Article on Publisher Site

Abstract

We consider the causes of decrease in the surface temperature of water in the northwest part of the Black Sea on the basis of the analysis of satellite data and the results of numerical simulations. We use the satellite data (NOAA-15/17) with a resolution of 1 km obtained for May–October 2005–2008, the data of reanalysis, and a three-dimensional numerical model. By using the data of observations, we discover a zone of lowered surface temperature in the Karkinitskii Bay propagating in the presence of stable northwest wind. To determine the causes of decrease in the sea-surface temperature in the Karkinitskii Bay, we carried out a special numerical experiment. The analysis of the balance of terms in the heat-transfer equation for the upper mixed layer shows that the variations of temperature of the upper layer of the sea in the north part of the Karkinitskii Bay under the action of northwest wind are indeed governed by the vertical ascending motions of waters (i.e., by upwelling) but the appearance of cold waters in the south part of the bay for the same wind is caused by the horizontal advection.

Journal

Physical OceanographySpringer Journals

Published: Jun 9, 2012

References

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