Science · Oceanography
what factors determine the formation and persistence of marine heatwaves?
Marine heatwaves are prolonged periods of unusually high sea surface temperature that emerge from the interaction of physical drivers and longer-term climate trends. Research led by Nathaniel J. Hobday at
how does submarine groundwater discharge influence coastal nutrient budgets?
Submarine groundwater discharge supplies a continuous, often hidden pathway for dissolved substances from land to sea and can substantially alter coastal nutrient budgets. Studies using radionuclide tracers have shown that
what role do subsea methane hydrates play in future greenhouse emissions?
Subsea methane hydrates are ice-like solids that trap methane within ocean sediments and continental slopes. They represent a large reservoir of carbon and therefore a potential source of greenhouse gas
how does coastal upwelling intensity affect regional fishery productivity?
Coastal upwelling delivers cold, nutrient-rich water from the deep ocean to the sunlit surface, directly influencing primary productivity and the entire marine food web. Seminal work by John H. Ryther
what controls microplastic vertical distribution in the open ocean?
Vertical placement of microplastics in the open ocean is governed by an interplay of particle properties, ocean physics, and biological processes. Particle density relative to seawater determines baseline buoyancy: low-density
how do mesoscale ocean eddies influence carbon export to the deep ocean?
Mesoscale ocean eddies regulate pathways that move carbon from the surface ocean into the deep sea by coupling physical circulation with biological processes. Mesoscale eddies are rotating water masses roughly
what governs seafloor hydrothermal vent fluid chemistry?
Seafloor hydrothermal vent fluids are products of complex physical, chemical, and biological processes in the subseafloor environment. Their composition reflects the interaction of seawater with hot rock, inputs from magmatic
how do internal waves influence coastal sediment transport?
Internal waves are oscillations that propagate along density interfaces within the ocean, commonly at the pycnocline between warmer surface water and colder deep water. These waves can be generated by
how do submarine canyons affect nutrient transport?
Physical controls on nutrient pathways
Submarine canyons act as underwater highways for water, sediment, and nutrients, altering the direction and intensity of transport between continental shelves and the deep sea. The
what controls oxygen minimum zones in the ocean?
Physical drivers of low-oxygen waters
Oxygen minimum zones form where supply from the surface and lateral ventilation is weak while oxygen consumption in the water column is high. Surface waters gain