218a Padnos Hall of Science
1 Campus Drive
Allendale, MI  49401

[email protected]

Our paleoclimate research was recently featured in this 2 minute video: https://youtu.be/j3c6hfYYxgk

With a GV Magazine feature story here:  https://www.gvsu.edu/gvmagazine/fossil-clues.htm

If you are a GV student interested in climate, sedimentology, or geochemical research, please reach out! 

Opportunities are available for research projects.

Current Funding

NSF Award #1903389: Interglacial Climate in Bermuda and Beyond

In collaboration with the University of Michigan. Funding through 2024. Details: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1903389

NSF Award #2118660: Experimentally Evaluating the Relationship between Cation Ordering and Oxygen and Clumped Isotope Fractionation in Dolomite

In collaboration with Western Michigan University and the University of Michigan. Funding through 2025. Details: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2118660

Education & Experience

Postdoctoral Research Fellow, 2016 - 2018

Isotopologue Paleoscience Laboratory, University of Michigan

Ph.D., 2016

University of Michigan Earth and Environmental Sciences

M.S., 2012

University of North Carolina at Chapel Hill Geological Sciences

B.S., 2010

University of Michigan Geological Sciences

Teaching

Geo 100: Environmental Geology

Geo 105: Living with the Great Lakes

Geo 111: Exploring the Earth

Geo 175: Research Tools for Geosciences

Geo 312: Sedimentation - Stratigraphy

Geo 315: Geological Field Methods

Geo 330: Data Analysis for Earth Scientists (newly developed course)

Selected Publications

GVSU Student Authors are also in bold

Minnebo, L., Winkelstern, I., Zhang, J., and Petersen, S. (2024) Last Interglacial coastal hydroclimate variability in Bermuda revealed by clumped isotope oyster sclerochronology. Paleo³ v. 643. LINK 

Landstra, R. and Winkelstern, I. (2023) Constraining the Formation Environment of Modern Pisolites at Ore Lake, Michigan. Sedimentologika v. 1. LINK

Zhang, J., Petersen, S., Winkelstern, I, Lohmann, K. (2021) Seasonally Variable Aquifer Discharge and Cooler Climate in Bermuda During the Last Interglacial Revealed by Subannual Clumped Isotope Analysis. Paleoceanography and Paleoclimatology 36 (6)

Winkelstern, I. Z., Lohmann, K.C., Rowe, M., Defliese, W., Petersen, S., and Brewer, A. (2017) Meltwater Pulse Recorded in Last Interglacial Mollusk Shells from Bermuda. Paleoceanography 32: 132-145.

Winkelstern, I. Z. and Lohmann, K.C. (2016) Shallow burial diagenesis of dolomite and limestone clumped isotope geochemistry. Geology 44: 467-470.

Winkelstern, I. Z., Kaczmarek, S. E., Lohmann, K. C, and Humphrey, J. (2016) Calibration of dolomite clumped isotope thermometry. Chemical Geology 443: 32-38.

Google Scholar Profile: bit.ly/izwinkgs

CV

Link to CV: https://drive.google.com/file/d/117lM0rjUkb6VguitHGOrjtvikFnl50WG/view?usp=sharing 

Current as of July 2024.