Donald Eugene Canfield (born 1957) is a geochemist and Professor of Ecology at the

University of Southern Denmark The University of Southern Denmark ( da, Syddansk Universitet, lit=South Danish University, abbr. SDU) is a university in Denmark that has campuses located in Southern Denmark and on Zealand. The university offers a number of joint programmes in ...

known for his work on the evolution of Earth's atmosphere and oceans. The

Canfield ocean The Canfield Ocean model was proposed by geochemist Donald Canfield to explain the composition of the ocean in the middle to late Proterozoic. In a paper published in 1998 in ''Nature'', Canfield argued that the ocean was anoxic and sulfidic dur ...

, a sulfidic partially oxic ocean existing during the middle of the

Proterozoic The Proterozoic () is a geological eon spanning the time interval from 2500 to 538.8million years ago. It is the most recent part of the Precambrian "supereon". It is also the longest eon of the Earth's geologic time scale, and it is subdivided ...

eon Eon or Eons may refer to: Time * Aeon, an indefinite long period of time * Eon (geology), a division of the geologic time scale Arts and entertainment Fictional characters * Eon, in the 2007 film ''Ben 10: Race Against Time'' * Eon, in the ...

, is named after him.

Education

Canfield was educated at

Miami University Miami University (informally Miami of Ohio or simply Miami) is a public research university in Oxford, Ohio. The university was founded in 1809, making it the second-oldest university in Ohio (behind Ohio University, founded in 1804) and the 10 ...

and

Yale University Yale University is a private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the third-oldest institution of higher education in the United States and among the most prestigious in the wo ...

where he was awarded a PhD for research on

diagenesis Diagenesis () is the process that describes physical and chemical changes in sediments first caused by water-rock interactions, microbial activity, and compaction after their deposition. Increased pressure and temperature only start to play a ...

marine sediments Marine sediment, or ocean sediment, or seafloor sediment, are deposits of insoluble particles that have accumulated on the seafloor. These particles have their origins in soil and rocks and have been transported from the land to the sea, mainly ...

supervised by

Robert Berner Robert Arbuckle Berner (November 25, 1935 – January 10, 2015) was an American scientist known for his contributions to the modeling of the carbon cycle. He taught Geology and Geophysics from 1965 to 2007 at Yale University, where he latterly se ...

in 1988.

Career and research

Canfield has been the director of the Nordic Center for Earth Evolution (NordCEE) since August 2006, and works at the

. His research investigates the

geobiology Geobiology is a field of scientific research that explores the interactions between the physical Earth and the biosphere. It is a relatively young field, and its borders are fluid. There is considerable overlap with the fields of ecology, evolutio ...

ocean chemistry Marine chemistry, also known as ocean chemistry or chemical oceanography, is influenced by plate tectonics and seafloor spreading, turbidity currents, sediments, pH levels, atmospheric constituents, metamorphic activity, and ecology. The fiel ...

. Prior to his current position he has worked at the

Ames Research Center The Ames Research Center (ARC), also known as NASA Ames, is a major NASA research center at Moffett Federal Airfield in California's Silicon Valley. It was founded in 1939 as the second National Advisory Committee for Aeronautics (NACA) laborat ...

Aarhus University Aarhus University ( da, Aarhus Universitet, abbreviated AU) is a public research university with its main campus located in Aarhus, Denmark. It is the second largest and second oldest university in Denmark. The university is part of the Coimbra Gr ...

, the

University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...

, the

Max Planck Institute for Marine Microbiology __NOTOC__ The Max Planck Institute for Marine Microbiology is located in Bremen, Germany. It was founded in 1992, almost a year after the foundation of its sister institute, the Max Planck Institute for Terrestrial Microbiology at Marburg. In 1996 ...

in Germany and the

Georgia Institute of Technology The Georgia Institute of Technology, commonly referred to as Georgia Tech or, in the state of Georgia, as Tech or The Institute, is a public research university and institute of technology in Atlanta, Georgia. Established in 1885, it is part of ...

Awards and honors

Canfield was elected a member of the

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...

in 2007. He was awarded the

European Geosciences Union The European Geosciences Union (EGU) is a non-profit international union in the fields of Earth, planetary, and space sciences whose vision is to "realise a sustainable and just future for humanity and for the planet." The organisation has headq ...

Vladimir Ivanovich Vernadsky Vladimir Ivanovich Vernadsky (russian: link=no, Влади́мир Ива́нович Верна́дский) or Volodymyr Ivanovych Vernadsky ( uk, Володи́мир Іва́нович Верна́дський; – 6 January 1945) was ...

Medal in 2010. In 2021, he was knighted by

Queen Margrethe II Margrethe II (; Margrethe Alexandrine Þórhildur Ingrid, born 16 April 1940) is Queen of Denmark. Having reigned as Denmark's monarch for over 50 years, she is Europe's longest-serving current head of state and the world's only incumbent femal ...

into the

Order of the Dannebrog The Order of the Dannebrog ( da, Dannebrogordenen) is a Danish order of chivalry instituted in 1671 by Christian V. Until 1808, membership in the order was limited to fifty members of noble or royal rank, who formed a single class known a ...

References

{{DEFAULTSORT:Canfield, Donald 1957 births Living people American geologists Members of the Royal Danish Academy of Sciences and Letters Members of the United States National Academy of Sciences Members of the Royal Swedish Academy of Sciences