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Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/1834/1633

Título : NODC Report: Greece
Corporate Author: IOC for UNESCO
ASFA Terms: Oceanographic data
Aquatic sciences
Fecha de publicación : 2000
Citación : Sixteenth Session of the IOC Committee on International Oceanographic Data and Information Exchange (IODE XVI), Lisbon, Portugal
Citación : Reports of Governing and Major Subsidiary Bodies
Resumen : The Hellenic National Oceanographic Data Centre (HNODC) operates within the framework of the National Centre for Marine Research (NCMR), in Athens. The latter is the leading marine research institute in Greece with a long experience in various fields of marine science and technology and important research activity. The NCMR along with the Institute of Marine Biology of Crete (IMBC) and various Hellenic university departments participate in several national development programmes, as well as, in international research projects. Within the framework of these activities systematic multidisciplinary surveys are carried out in coastal and open sea waters (mainly of the Eastern Mediterranean Sea) and a large amount of a wide range of data types is collected. However, data are valuable not only to the primary users, responsible for its original collection but also to a wide range of secondary users. In this context, the Hellenic National Oceanographic Data Centre has been recognized as a national facility to acquire, process, store and disseminate the oceanographic data pertaining to Mediterranean and Black Seas. Such a centralized management of oceanographic data not only improves the availability of data to end-users but also ensures that the data are preserved for long-term use, are of good quality and accurate and therefore suitable for the extraction of useful information. The geographic area of the HNODC’s interest is the overall Mediterranean Sea, including the Black Sea. However, its main interest is concentrated in the Eastern Mediterranean Sea and the Black Sea. Major data holdings of the HNODC, for these particular regions consist of CTD data (over 13,000 stations), water bottle data (over 22,000 stations), moored current meter data (over 500 series, ranging from 10 days to 6 months each), plus chemical (over 9,000 stations) and geophysical data (over 30,000km of track). The data come from various data sources such as, different Hellenic research institutes which collect data (NCMR, IMBC, etc.), WDC-A, ICES, etc. The available data cover the entire 20th century of the majority of them being collected during the last twenty years. Most of the above mentioned data have been collected in the Levantine Sea and are mainly water bottle data, while the majority of the CTD data have been obtained from the Aegean, Ionian and Adriatic Sea. Apart from the above mentioned data, HNODC handles a great diversity of different other data types including biological data (chlorophyll, phytoplankton, zooplankton, benthos, etc.), sedimentological data, etc. The technical environment of the HNODC consists of: − Hewlett Packard Workstations − PC Microcomputers − Vector Plotters − Colour and laser printers. − ORACLE Relational DBMS − PARADOX Relational DBMS − GENASSYS Geographic Information Systems − MATLAB, AVS Visual Data Analysis Software − WINDOWS and X-WINDOWS Graphic Interfaces − Graphics and Mathematics Libraries − Client/Server Architecture − ETHERNET and INTERNET Network − C, C++,and FORTRAN 77 Compilers HNODC’s data sets are kept in MEDATLAS Format and have been subjected to quality control (using the SCOOP software developed by IFREMER/SISMER) prior to their organization in a database, using the relational database management system (RDBMS) ORACLE.
URI : http://hdl.handle.net/1834/1633
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