7fcde7 square The Department of Oceanography at the University of Hawaii at Manoa, SOEST
Michael Guidry

Associate Specialist 
Undergraduate Chair

Department of Oceanography, 
University of Hawai`i at Manoa, 
1000 Pope Road, 
Marine Sciences Building, 
Honolulu, HI 96822

Phone: 808.956.9935 
Fax: 808.956.9225 
Research Email: mguidry@soest.hawaii.edu
GES Email: ges@soest.hawaii.edu

Curriculum Vitae


  • BS 1994 - Marine Science, University of South Carolina
  • PhD 2002 - Oceanography, University of Hawaii

Research Interests

  • Short- and long-term biogeochemical cycling
  • Program and instructional assessment
  • Student learning outcomes assessment
  • Nutrient limitation on biological production
  • Global climate change
  • Ocean acidification
  • Mineral dissolution and precipitation kinetics
  • Interactive science educational materials and curriculum/course development for K-12 classes, collegiate undergraduate courses, and highly qualified teaching certification

Teaching Activities

  • OCN 100 - Global Environmental Science Seminar
  • OCN 105 - Sustainability in a Changing World
  • OCN 399 - Directed Reading
  • OCN 499 - Undergraduate Thesis


  • NSF Collaborative Research: PAGE: Halau Ola Honua "Our Living world, living laboratory" $810,422

Selected Publications

Guidry, M.W., Dumas, D., De Carlo, E. and Mackenzie, F.T. (2013). Tropical Land – Coastal Interactions: Hawai’i as an example. Hawaii Sea Grant Publication. 67pp. PDF

Guidry, M.W. and Mackenzie, F.T. (2013). Future climate change, sea level rise, and ocean acidification: Implications for Hawaii and Western Pacific Fisheries Management. Hawaii Sea Grant Publication. 100pp. PDF

Tanaka, K., Guidry, M.W., and Gruber N. (2013). Ecosystem responses of the subtropical Kaneohe Bay, Hawaii to climate change: a nitrogen cycle modeling approach. Aquatic Geochemistry. doi: 10.1007/s10498-013-9209-4

Arvidson, R.S., Mackenzie, F.T., Guidry, M.W. (2013). Geologic history of seawater: A MAGic approach to carbon chemistry and ocean ventilation. Chemical Geology. 362. p. 287-304.

Mackenzie, F.T., Andersson, A.J., Arvidson, R.S., Guidry, M.W., and Lerman, A. (2011). Land-sea carbon and nutrient fluxes and coastal ocean CO2 exchange and acidification: Past, present, and future. Applied Geochemistry. v. 26. p. S298-S302.DOI:10.1016/j.apgeochem.2011.03.087

Lerman, A., Guidry, M.W., Andersson, A.J., and Mackenzie, F.T. (2011). Coastal Ocean Last Glacial Maximum to 2100 CO2-Carbonic Acid-Carbonate System: A Modeling approach. Aquatic Geochemistry.  v.17. 749-773.  DOI: 10.1007/s10498-011-9146-z

Arvidson, R.S., Guidry, M.W., and Mackenzie, F.T. (2011). Dolomite controls on Phanerozoic Seawater Chemistry. Aquatic Geochemistry. v.17. p. 735-747, DOI: 10.1007/s10498-011-9130-7

Guidry, M.W. and Mackenzie, F.T. (2009). Energy Sustainability in the Pacific Basin: Emphasis on the State of Hawaii and the Island of Oahu). Hawaii Sea Grant Publication. 159pp. PDF

Mackenzie, F.T., Arvidson, R.S., and Guidry, M.W. (2008). Chemostatic modes of the ocean-atmosphere-sediment system through Phanerozoic time. Mineralogical Magazine.  Vol. 72. No. 1. pp. 329-332.

Guidry M.W., Arvidson, R. S., and Mackenzie, F.T. (2007). Biological and Geochemical Forcings to Phanerozoic Change in Seawater, Atmosphere, and Carbonate Precipitate Composition. In Evolution of Primary Producers in the Sea, P. Falkowski and A. Knoll (editors), Academic Press, San Diego. pp. 377-403.

Arvidson, R.S., Mackenzie, F.T. and Guidry, M.W. (2006). MAGic: A Phanerozoic model for the geochemical cycling of major rock-forming components: American Journal of Science, v. 306.

Guidry, M.W. and Mackenzie, F.T. (2006). Climate Change, Water Resources, and  Sustainability in the Pacific Basin: Emphasis on Oahu, Hawaii and Majuro Atoll, Republic of the Marshall Islands. University of Hawaii Sea Grant Publication. 100 pp. PDF

Guidry, M.W. and Mackenzie F.T. (2003). Experimental Study of Igneous and Sedimentary Apatite Dissolution: Control of pH, Distance from Equilibrium, and Temperature on Dissolution Rates. Geochimica et Cosmochimica Acta. v. 67 (16), p. 2949-2963.

Guidry, M.W. and Mackenzie F.T. (2000). Apatite weathering and the Phanerozoic Phosphorus Cycle. Geology. v. 28. p. 631-634.

Guidry, M.W., Mackenzie, F.T., and Arvidson R.S. (2000) Role of Tectonics in Phosphorus Distribution and Cycling. In: C.R. Glenn, L. Prevot-Lucas and J. Lucas (Eds.), Marine Authigenesis: From Global to Microbial, S.E.P.M. (Society of Sedimentary Geology) Special Publication No. 64, 1-5.

Arvidson, R.S., Mackenzie, F.T., and Guidry M.W. (2000) Ocean/Atmosphere History and Carbonate Precipitation Rates: A Solution to the "Dolomite Problem"? In: C.R. Glenn, L. Prevot-Lucas and J. Lucas (Eds.), Marine Authigenesis: From Global to Microbial, S.E.P.M. (Society of Sedimentary Geology) Special Publication No. 65, 35-51.