Pre-stack time-migrated seismic profile ATLANTIS-I, 31ºN Central Atlantic
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| Auteurs principaux: | , , , |
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| Format: | Dataset Open Access |
| Langue: | en |
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PANGAEA
2024
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| _version_ | 1867170128196534272 |
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| author | Ranero, César R Ugalde, Arantza Gómez de la Peña, Laura Prada, Manel |
| author_facet | Ranero, César R Ugalde, Arantza Gómez de la Peña, Laura Prada, Manel |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Pre-stack time-migrated seismic section across ATLANTIS-I profile in 2022 at 31ºN Central Atlantic. The seismic data were acquired with a seismic source that consisted of two sub-arrays of airguns with total capacity of ~4000 c.i., towed from the stern of the boat at 15 m of depth, and fired every 100 m. Seismic data were collected with a 240-channel, 3-km-long streamer towed from the stern of the boat at 19 m of depth. Data processing included streamer geometry for common mid-point geometry, a two-window statistical Wiener deconvolution, velocity analysis every 5 km, stacking, and time migration using a finite-differences algorithm and a geological meaningful Vp model. Final display is shown with a Butterworth minimum phase band pass filter (3-60 Hz) and a median automatic gain control (AGC) with a 2 second sliding window to balance amplitudes. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_973759 |
| institution | PANGAEA |
| language | en |
| publishDate | 2024 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Pre-stack time-migrated seismic profile ATLANTIS-I, 31ºN Central Atlantic Ranero, César R Ugalde, Arantza Gómez de la Peña, Laura Prada, Manel Atlantic Ocean; ATLANTIS-I_SURVEY; Binary Object; Binary Object (File Size); File content; multichannel reflection seismics; oceanic crust; SEIS; Seismic Pre-stack time-migrated seismic section across ATLANTIS-I profile in 2022 at 31ºN Central Atlantic. The seismic data were acquired with a seismic source that consisted of two sub-arrays of airguns with total capacity of ~4000 c.i., towed from the stern of the boat at 15 m of depth, and fired every 100 m. Seismic data were collected with a 240-channel, 3-km-long streamer towed from the stern of the boat at 19 m of depth. Data processing included streamer geometry for common mid-point geometry, a two-window statistical Wiener deconvolution, velocity analysis every 5 km, stacking, and time migration using a finite-differences algorithm and a geological meaningful Vp model. Final display is shown with a Butterworth minimum phase band pass filter (3-60 Hz) and a median automatic gain control (AGC) with a 2 second sliding window to balance amplitudes. |
| title | Pre-stack time-migrated seismic profile ATLANTIS-I, 31ºN Central Atlantic |
| topic | Atlantic Ocean; ATLANTIS-I_SURVEY; Binary Object; Binary Object (File Size); File content; multichannel reflection seismics; oceanic crust; SEIS; Seismic |
| url | https://doi.org/10.1594/PANGAEA.973759 |