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Skildring:Broadband echogram showing backscattering by a small natural seep of methane (red box) near Node 7 of the Lofoten Vesterålen Ocean Observatory. The broadband frequency response of the seep is also shown (lower right inset). The seep consists of a few small single bubbles rising from the seafloor at a depth of 220 meters, clearly observed in the broadband data.
Kode: HAV-67242
Kreditering: Geir Pedersen / Havforskningsinstituttet
Søkeord: Bubble acoustics, CRIMAC, EK80, Gas seeps, Methane seeps, xxxInExternalxxx
AI-søkeord: akustisk tilbakespredning, djuphavsscanning, djupnemåling, ekkolodddata, ekogram, marin undersøking, havbotnsdeteksjon, sonarskjerm, undervassakkustikk, vassøylevisualisering
AI-tekster: 50, 100, 150, 200, 2022.12.01, 21:20 UTC, 21:23, 21:25, 21:28, 4115.8 nmi, 4116 nmi, 4116.2 nmi, 4116.4 nmi, 4116.6, 50, 100, 150, 200, 2022.12.01, 21:20, UTC, 21:23, 21:25, 21:28, 4115.8, nmi, 4116, nmi, 4116.2, nmi, 4116.4, nmi, 4116.6
Alternativ tekst: Ekogram som viser undervassonardata med framheva anomali på djupne ~200 m, registrert 1. desember 2022, 21:20 UTC.
Filtypar: Original (1467 x 485), Liten(JPG) (1080 x 357)

HAV-67242
Broadband echogram showing backscattering by a small natural seep of methane (red box) near Node 7 of the Lofoten Vesterålen Ocean Observatory. The broadband frequency response of the seep is also shown (lower right inset). The seep consists of a few small single bubbles rising from the seafloor at a depth of 220 meters, clearly observed in the broadband data.
Geir Pedersen / Havforskningsinstituttet
Original (1467 x 485)
Liten(JPG) (1080 x 357)

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