GeoLog

plankton

Geosciences Column: Just a drop in the ocean – river nutrients and Arctic plankton

The oceans are a big contributor to the global carbon cycle, with phytoplankton taking up carbon through photosynthesis and incorporating it into their shells. When these organisms die their shells sink and make a calcareous contribution to seafloor sediments. Of course, with the formation of limestone, this carbon is locked out of the atmosphere for long periods of geological time. Until recently ...[Read More]

GeoCinema Online: Oceans

This week on GeoCinema Online, we’re taking a look at all things ocean, bringing what few people see straight to your desktop – or, for that matter, any other shiny viewing device you may posses! Take a dive and find out what plankton get up to in the microscopic world beyond our vision, what corals and communities lie in the cold deep and how oceanographers are working to better under ...[Read More]