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Geoinformation System for Argo Floats Drift Assessment: The Black Sea Case  id статьи: 3205
Тип публикации
статья в журнале
Язык
En
Журнал
Physical Oceanography

ISSN:1573160
Год
2024
Выходные данные
том 31
выпуск 4
страницы 562 - 579
DOI
EDN
Абстракт
Purpose. The work is aimed at developing and implementing a geographic information system (GIS) that provides an opportunity for online work with the Argo floats data in the Black Sea and for its application to assess the float drift velocities in different sea layers. Methods and Results. The geoinformation system is developed based on a client-server architecture using PostgreSQL DBMS to store the Argo float data, the jQuery, Plotly and mapbox gl libraries and, therefore, to implement a user interface and a cartographic service. The floats drift velocities are calculated and analyzed using the information provided by the Argo project in the public domain. The information is received from the autonomous drifting profiling floats and includes data on their satellite positioning, drift depths and profiling. The velocities at the float drift horizon are calculated using the data on its trajectory, meanwhile GIS assumes the possibility to recalculate velocities swiftly when new observation data are received, adjust calculation methodology, expand the range of statistical characteristics as well as to add a number of additional options. The Argo data array (early 2005 – mid 2022) was included in the system current version to calculate and analyze velocities. Application of GIS made it possible to estimate floats drift velocities in the Black Sea, specify mean velocity values as compared to the previous studies and show its seasonal variability in different layers of the sea. Conclusions. The online services of the Argo project are complemented by the developed GIS that simplifies processing and scientific analysis of the Black Sea oceanographic data significantly with no need to use additional scripts, data downloads and external visualization systems. The examples of applying the system for the assessment of floats drift velocities at different depths and in certain parts of the sea are shown. In the future, GIS can be supplemented with new modules, such as automatic downloading of Argo data, operating with similar data arrays obtained, for example, from drifters or ADCP current profilers. Besides, it can be applied to any other regions
Ключевые слова
Argo floats, Black Sea, currents, database, DB, drift velocity, geoinformation system, GIS
Дата занесения
2024-10-15 15:26:44
Scopus
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Квартиль Q3
WoS
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Квартиль Q4
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