Article describing PolarTREC teacher Mark Buesing's upcoming expedition to Greenland in April to participate in NASA’s Operation IceBridge, a six-year mission to map polar ice.
Nature creates its own density column in marine systems, which is extremely important for the triggering of the spring bloom of phytoplankton. Phytoplankton are an important food source for all organisms- from microscopic zooplankton to large marine mammals such as walrus and whales. The different salinities (and therefore, different densities) of water help to stabilize the water column (by limiting