Table 1 An overview of seismic surveys used in this study and their (maximum) vertical resolution (λ/2-criterion) based on the dominant frequency in the upper sedimentary succession (2 s TWT) and an average sound velocity of 1500 m/s
From: Natural hydrocarbon seepage at the Northeast Greenland continental shelf
Acquired by | Year | Source | Streamer [m] | Vertical Resolution (λ/2) [m] | Total Length [km] |
|---|---|---|---|---|---|
Kanumas Group | 1991 | Airgun 1898 in³ | 3000 | 31 | 4960 |
1994 | Airgun 2050 in3 | 1500 | 24 | 3410 | |
1995 | VSX Airgun 2050 in3 | 2100/1500 | 22 | 3750 | |
AWIa | 1999 | Airgun 5x9L | 1700 | 33 | 1686 |
2002 | Airgun VLF 24 l | 600 | 22 | 6200 | |
2003 | VLF-Gunsx3l & G-Gunsx8.5 l | 600/3000 | 35 | 5605 | |
Norsk Hydro | 2006 | Airgun 2940 in³ | 6000 | 30 | 6905 |
2007 | Airgun 2940 in³ | 6000 | 30 | 935 | |
TGS | 2008 | Airgun 3280 in³ | 6000 | 38 | 6710 |
2009 | Airgun 3130 in³ | 6000 | 29 | 1596 | |
2011 | Airgun, 1500LL & 1900LLX | 3000 | 31 | 4065 | |
2012 | Airgun 3350 in3 | 4500/6000 | 31 | 8851 | |
2014 | Airgun 1675–3350 in3 | 6000 | 31 | 12,253 | |
2015 | Airgun 1675–3350 in³ | 4500/6000 | 14–50 | 18,121 | |
2016 | Airgun 1675–3350 in³ | 6000 | 28–50 | 3318 | |
GXT | 2009 | Airgun 4330 in3 | 8000 | 58 | 10,985 |
2010 | Airgun 4330 in3 | 8000/6000 | 46 | 12,932 | |
2011 | Airgun 4330 in3 | 8000 | 42 | 10,232 |
