{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["103(37)"],"submitter":["Hill TM"],"pubmed_abstract":["Marine hydrocarbon seepage emits oil and gas, including methane ( approximately 30 Tg of CH(4) per year), to the ocean and atmosphere. Sediments from the California margin contain preserved tar, primarily formed through hydrocarbon weathering at the sea surface. We present a record of variation in the abundance of tar in sediments for the past 32,000 years, providing evidence for increases in hydrocarbon emissions before and during Termination IA [16,000 years ago (16 ka) to 14 ka] and again over Termination IB (11-10 ka). Our study provides direct evidence for increased hydrocarbon seepage associated with deglacial warming through tar abundance in marine sediments, independent of previous geochemical proxies. Climate-sensitive gas hydrates may modulate thermogenic hydrocarbon seepage duri"],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pagination":["13570-4"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC1564264"],"repository":["biostudies-literature"],"pubmed_title":["Climatically driven emissions of hydrocarbons from marine sediments during deglaciation."],"pmcid":["PMC1564264"],"pubmed_authors":["Nelson RK","Yang Z","Beaufort L","Robert C","Reddy CM","Hill TM","Valentine DL","Behl RJ","Kennett JP"],"additional_accession":[]},"is_claimable":false,"name":"Climatically driven emissions of hydrocarbons from marine sediments during deglaciation.","description":"Marine hydrocarbon seepage emits oil and gas, including methane ( approximately 30 Tg of CH(4) per year), to the ocean and atmosphere. Sediments from the California margin contain preserved tar, primarily formed through hydrocarbon weathering at the sea surface. We present a record of variation in the abundance of tar in sediments for the past 32,000 years, providing evidence for increases in hydrocarbon emissions before and during Termination IA [16,000 years ago (16 ka) to 14 ka] and again over Termination IB (11-10 ka). Our study provides direct evidence for increased hydrocarbon seepage associated with deglacial warming through tar abundance in marine sediments, independent of previous geochemical proxies. Climate-sensitive gas hydrates may modulate thermogenic hydrocarbon seepage duri","dates":{"release":"2006-01-01T00:00:00Z","publication":"2006 Sep","modification":"2026-05-02T09:26:37.681Z","creation":"2019-03-27T01:45:54Z"},"accession":"S-EPMC1564264","cross_references":{"pubmed":["16945904"],"doi":["10.1073/pnas.0601304103"]}}