EDMED Details
General
- Dataset Name
- Seismic reflection, magnetic and gravimetric survey of Ross Sea, Antarctica (1990-91)
- Data Holding Centre
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
- Time Period
- from December 1990 to January 1991
- Start Date
- 1990-01-01
- End Date
- 1991-12-31
- Project
Geographic Area
- Geocoverage
- 557 km on 2 lines of seismic reflection, gravimetric and magnetometric survey of Ross Sea area
- Geographic Box (south,north,west,east)
- -75, 163, 165, -73
- Sea Area
- Southern Ocean
Observations
- Parameters
- Gravity
- Seismic reflection
- Magnetics
- Instruments
- multi-channel seismic reflection systems
- magnetometers
- seismic refraction systems
- gravimeters
- satellite positioning systems
Description
- Summary
- PNRA (Italian Research Programme in Antarctica) - During December 1990, January, February and March 1991, the OGS conducted a geophysical survey in the framework of the National Research Program in Antarctica (PNRA), coordinated by ENEA under the auspices of the Italian Ministry for Scientific Research. The survey was conducted in three different areas: the South Pacific Ocean, the Ross Sea and the Weddell Sea. The program in the Ross Sea has been mainly dedicated to analogic seismic, bottom samplings and heat flow measurements. Nevertheless, in this area about 557 km of deep seismic, gravity and magnetic data have been collected. The seismic data have been collected with the following sampling parameters: Coverage = 3000 % Sample Rate = 4 ms Shot Interval = 50 m Streamer Length = 3000 m Streamer Depth = 12 m Group Interval = 25 m Number of Groups = 120 Record Length = 14 sec Air-Guns: - Total Volume = 45.16 l - Pressure = 140 bar - Depth = 6 m
- Originator
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
- References
Availability
- Availability
- by negotiation
- Organization
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
- Contact
- Unknown
- Address
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
- Sgonico (Trieste),
- 34010
- Italy
- webmaster@ogs.trieste.it
- http://www.ogs.trieste.it
Administration
- Local identifier
- 1229
- Creation Date
- 2014-10-02
- Revision Date
- 2013-07-26