Biogeochemical and Ecological Data from Kazan Mud Volcano Cold Seeps

Australian Ocean Data Network presents a synthesis of biogeochemical and ecological data from cold seep environments at the Kazan Mud Volcano in the Eastern Mediterranean Sea. The data was collected during the MEDINAUT/MEDINETH initiatives using the submersible Nautile, ship-based coring, and geophysical surveys. It focuses on processes like anaerobic oxidation of methane (AOM) and associated microbial and macrofaunal communities.

Use Cases

• Modeling anaerobic oxidation of methane (AOM) rates using pore water geochemistry data and the reported rate of 6 mol m-2 year-1.
• Analyzing spatial heterogeneity of seep environments by integrating geophysical survey results with biogeochemical sampling data from box cores.
• Studying methane-supported ecosystems through carbon isotopic measurements on bulk organic matter, authigenic carbonates, biomarker compounds, and macrofaunal tissues.
• Estimating advective flow velocities and gas hydrate formation depths using pore water geochemistry and modeling data from the Kazan mud volcano site.

Strengths

• Integrates multi-disciplinary data from submersible dives, sediment coring, and geophysical surveys
• Provides a quantified rate for a key process: anaerobic oxidation of methane at 6 mol m-2 year-1
• Includes specific depth predictions for gas hydrate formation at about 2 meters sediment depth

Limitations

• Sample size and row count are unknown from the description
• Spatial coverage is limited to a single study site: the Kazan Mud Volcano
• Data format is HTML, which may require extraction and structuring for analysis

Provenance

Source

Australian Ocean Data Network, collected during MEDINAUT/MEDINETH initiatives

Collection Method

Observations and sampling by manned submersible Nautile, ship-based sediment coring, and geophysical surveys

Time Range

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Freshness

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Geography

Kazan Mud Volcano, Eastern Mediterranean Sea