European Directory of Marine Environmental Data (EDMED)

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General
Data set name

Marine gravity data in Mediterranean Sea (1961-72)

Data holding centreOGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
CountryItaly  Italy
Time periodFrom 1961 to 1972
OngoingNo
Geographical area

More than 300,000 km of marine gravity data in the whole Mediterranean Sea area

Observations 
Parameters

Alkalinity, acidity and pH of the water column; Nitrate concentration parameters in the water column; Ammonium and ammonia concentration parameters in water bodies

Instruments

Multi-channel seismic reflection systems; gravimeters; satellite positioning systems

Description 
Summary

The OGS shipborne gravity measurements began in early 1961. At the very beginning there was a collaboration with the Saclant ASW Research Centre of La Spezia, who forwarded the ship and the navigation control system (first with radar fixes and then with a prototype of Loran C receiver). From 1961 to 1965, eleven cruises were carried out covering a total amount of 60,000 nautical miles of navigation. From 1965 to 1972, OGS operated on ships forwarded by by National Council of Researches (CNR), at first with the R/V Bannock and then, towards the end, with R/V L.F. Marsili. Sea surface gravity measurements were undertaken on more than 300,000 km of profiles with the Askania-GSS2 meter for scientific purposes.

OriginatorsOGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
Data web sitehttp://www.ogs.trieste.it/GDL/index.html
Availability 
OrganisationOGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
AvailabilityBy negotiation
ContactDepartment Director (Department Director)
Address

OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
Borgo Grotta Gigante 42/c
Sgonico (Trieste),

34010
Italy

Administration 
Collating centreOGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Oceanography
Local identifierOGS-EDMED-209
Global identifier3765
Last revised1993-06-16