Methane at the NW of Weddell Sea, Antarctica

Figure 2

Distribution of methane (CH₄) detected in samples of seabed sediments along Bouchard zone (Figure 1). Samples 7, 54, 25, and 28 are considered as strongly positive anomalies; they contain the maximum values of methane: 9,995 ppm, 1,753 ppm, 858 ppm, and 837 ppm, respectively.