John Martin (oceanographer)

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John Martin (February 27, 1935 – June 18, 1993), was an oceanographer.

Born in Old Lyme, Connecticut, he is best known for his research on the role of iron as a phytoplankton micronutrient, and its significance for so-called "High-Nutrient, Low Chlorophyll" regions of the oceans.[1] He is also known for advocating the use of iron fertilization to enhance oceanic primary production to act as a sink for fossil fuel carbon dioxide.

John Martin died from prostate cancer at the age of 58.


“Give me a half tanker of iron, and I will give you an ice age.” - John Martin, from a lecture at Woods Hole Oceanographic Institute


  1. ^ Martin, J. H. and Fitzwater, S. E. (1988) Iron-deficiency limits phytoplankton growth in the Northeast Pacific Subarctic. Nature 331, 341-343.

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