The first record of active methane (cold) seep ecosystem associated with shallow methane hydrate from the Indian EEZ
| Autor: | S P K Pillutla, N S Sangodkar, D Nazareth, Pawan Dewangan, S. Gullapalli, Aninda Mazumdar, G. Dakara, M S Kalpana, A. Peketi, Ramakrushana Reddy, Pabitra Singha, D Shetty, C.K. Mishra, Virsen Gaikwad, G P Naik, A Kumar, S. Pujari |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
010504 meteorology & atmospheric sciences
biology Siboglinidae Geochemistry 010502 geochemistry & geophysics biology.organism_classification Mbsf 01 natural sciences Cold seep Methane Solemyidae chemistry.chemical_compound Water column chemistry Thyasiridae General Earth and Planetary Sciences Hydrate Geology 0105 earth and related environmental sciences |
| Zdroj: | Journal of Earth System Science. 128 |
| ISSN: | 0973-774X 0253-4126 |
| DOI: | 10.1007/s12040-018-1044-y |
| Popis: | Here we report the discovery of cold-seep ecosystem and shallow methane hydrates (2–3 mbsf) associated with methane gas flares in the water column from the Indian EEZ for the first time. The seep-sites are located in the Krishna–Godavari (K–G) basin at water depths of 900–1800 m and are characterized by gas flares in the water-column images. The occurrence of methane gas hydrates at very shallow depths (2–3 mbsf) at some of the seep-sites is attributed to high methane flux and conducive P–T conditions, necessary for the stability of methane hydrate. Chemosymbiont bearing Bivalves (Vesicomidae, Mytilidae, Thyasiridae and Solemyidae families); Polychaetes (Siboglinidae family) and Gastropods (Provannidae family) are also identified from seep-sites. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink