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- Title
The use of Argo floats as virtual moorings for monitoring the South Baltic Sea.
- Authors
Merchel, Małgorzata; Walczowski, Waldemar; Rak, Daniel; Wieczorek, Piotr
- Abstract
• Experiments carried out in the Gdańsk and Bornholm basins have shown that it is possible to limit the drift of Argo floats and keep them for a long time within one basin. • The time series obtained from both Argo floats that work as virtual moorings provide valuable material for the analysis of the hydrography of the basins. • The use of Argo floats may be of great importance in future observations of the shallow seas. The Argo float measurement network is increasingly effectively covering internal seas and shelf areas. In this paper, a specific approach to using Argo floats as 'virtual moorings' within the conditions of the Baltic Sea is presented. Following a series of successful deployments with standard configurations, it was decided that the settings forcing the float to stay at the bottom between profiles should be tested. This significantly reduced the drift of the float and allowed measurements to be made in a limited water area for a longer time. The data obtained from Argo floats used as virtual mooring can be a valuable source for monitoring and analysing the hydrology of individual basins of the Baltic Sea. The results show that the temporal and spatial variability of the observed fields of temperature, salinity, and other properties of seawater is very high. More data are needed to correctly determine the mean properties of the basins and their temporal variability. Therefore, Argo floats can be a source of efficient and inexpensive hydrographic data for shallow seas such as the Baltic.
- Subjects
BORNHOLM (Denmark); VIRTUAL work; MATERIALS analysis; TIME series analysis; SEAWATER salinity; SALINITY; HYDROGRAPHY; SEAWATER
- Publication
Oceanologia, 2024, Vol 66, Issue 1, p99
- ISSN
0078-3234
- Publication type
Article
- DOI
10.1016/j.oceano.2024.01.002