Iron fertilization refers to both natural and intentional processes that replenish iron in the upper ocean. Iron can stimulate the growth of phytoplankton, which remove carbon dioxide from the atmosph
An oceanic phytoplankton bloom in the South Atlantic Ocean, off the coast of Argentina covering an area about 300 by 50 miles (500 by 80 km)
An oceanic phytoplankton bloom in the North Sea off the coast of eastern Scotland
A "red tide" off the coast of La Jolla, San Diego, California.
High-nutrient, low-chlorophyll regions are regions of the ocean where the abundance of phytoplankton is low and fairly constant despite the availability of macronutrients. Phytoplankton rely on a suit
Global distribution of surface chlorophyll levels. Chlorophyll (a proxy for phytoplankton mass) is relatively low in the three HNLC regions (North Pacific, Equatorial Pacific, and Southern Ocean).
Dust blown off the Alaskan coast into the North Pacific.
Currents in the North Pacific Ocean.
Diatoms through the microscope