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Joseph D. Ortiz
With training in Aquatic Biology and Oceanography, I work at the interface between sciences unraveling climate mysteries, exploring the relationship between sedimentary strata, and helping to improve water quality using electromagnetic sensing techniques.
My primary research interest is in the area of paleoclimate. I study sedimentary records to extract climate-related information on seasonal to glacial-interglacial time scales. I employ diverse methods ranging from marine micropaleontology to light isotope geochemistry and core and well logging to decipher Earth's climate record.
Scholarly, Creative & Professional Activities
Marchitto, T.M., Muscheler, R., Ortiz, J.D., Carriquiry, J., and A. van Geen, 2010, Dynamical response of the tropical Pacific Ocean to solar forcing during the early Holocene, Science, 330, 1378-1381, DOI: 10.1126/science.1194887
Marchitto, T.M., Lehman, S.J., Ortiz, J.D., Fluckinger, J., and A. van Geen, Marine radiocarbon evidence for the mechanism of deglacial atmospheric CO2 rise (8 June 2007), Science, 316 (5830), 1456; [doi: 0.1126/science.1138679].
Dean, W. E., Zheng, Y., Ortiz, J.D., and A. van Geen, Sediment Cd and Mo accumulation in the oxygen-minimum zone off western Baja California linked to global climate over the past 52 kyr, Paleoceanography, 21, PA4209; [doi:10.1029/2005PA001239, 2006].
Ortiz, J.D., O’Connell, S., DelViscio, J., Dean, W., Carriquiry, J., Marchitto, T., Zheng, Y., and A. van Geen, Enhanced marine productivity off western North America during warm climate intervals of the past 52 kyr, Geology, 32(6), 521-524, 2004.
- Marine Sedimentology
- Marine Stratigraphy
American Geophysical Union (AGU)
Oceanography Society (TOS)
Geological Society of America (GSA)
Sigma Xi (Scientific research honor society)
American Quaternary Society (AMQUA)
National Association of Geoscience Teachers (NAGT)
Northern Ohio Geological Society (NOGS)