"hydrocarbon seep"^^ . _:b1218398 . _:b1218399 . _:b1218399 . _:b1218398 . "MERGED DEFINITION:\nTARGET DEFINITION: A cold seep is a seep in which methane and other hydrocarbon-rich fluids rise to the sea floor.\n--------------------\nSOURCE DEFINITION: An area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage occurs. Cold seeps are distinct from hydrothermal vents: the former's emissions are of the same temperature as the surrounding seawater, whereas the latter's emissions are super-heated."^^ . "ENVO"^^ . "methane seep"^^ . "ENVO:00000425"^^ . "cold seep"^^ . "2013-10-06T21:16:39Z"^^ . _:b1218398 . _:b1218399 . "ENVO:01000263"^^ . . . _:b1218399 . "pbuttigieg"^^ . _:b1218398 .