C.V.

EDUCATION

2015: Ph.D. Stanford University, Environmental Earth System Science

Advisor: Dr. C. Page Chamberlain

Dissertation Title: “Quantifying Paleoclimate Dynamics Using Isotopes in Precipitation”

2009: B.A. Vassar College Earth Science with Honors, Physics

Advisor: Dr. David P. Gillikin

RESEARCH INTERESTS

My research investigates the cycling of water and carbon in the modern and during key intervals of Earth history by combining stable isotope geochemistry and reactive transport modeling approaches.

  • Developing reactive transport models to quantify how plants impact the isotopic composition of rainfall
  • Developing reactive transport models to study interactions between precipitation, subsurface flow, plants and the terrestrial carbon cycle
  • Comparisons of climate models and proxy data to reconstruct Cenozoic atmospheric circulation and climate change

RESEARCH EXPERIENCE

2015-present: Stanford University, Department of Geological Sciences, Stanford, CA

Postdoctoral fellow

  • Investigating the role of water dynamics in driving subsurface transformations of rock and carbon
  • Field measurements of water, gas and solute fluxes coupled with hydrologic (ParFlow) and geochemical (CrunchFlow) modeling

2009-2015: Stanford University, Earth System Science, Stanford, CA

Graduate Student Researcher

  • Developing a quantitative framework to reconstruct plant water fluxes, topography, and atmospheric turbulent transport of water from gradients of isotopes in precipitation
  • Field collection and lab measurements of paleosol carbonate stable isotopes – Mongolia, British Columbia, Western US

2005-2009: Vassar College, Earth Science, Physics, Poughkeepsie, NY

Undergraduate Honors Thesis and NSF REU Research

  • Developing trace metal proxies for road salt pollution in freshwater mussel shells
  • NSF REU research at San Jose Sate University, Summer 2008, measuring electromagnetic phenomena and solid-state physics of stressed igneous rocks

 

HONORS AND AWARDS

2014: McGee Graduate Research Grant

2010: The William K. Whiteford Fellowship Fund

2010: National Science Foundation USSP Scholarship to attend Urbino Summer School of Paleoclimatology

2010: Geological Society of America Graduate Student Research Grant

2009: Sigma Xi Honorary Student Member

2009: Vassar College Honors Thesis, Earth Science

2008: American Geophysical Union 2008 Fall Annual Meeting Student Travel Fund

2008: Geological Society of America Joint Annual Meeting Student Travel Fund

2008: National Science Foundation Physics REU at San Jose State University

 

PUBLICATIONS

Liu, Y., Winnick, M.J., Hsu, H.-T., Lawrence, C., Maher, K., Druhan, J.L. (in review) Modeling transient soil moisture limitations on microbial carbon respiration. Biogeosciences Discussions, https://doi.org/10.5194/bg-2018-10.

Hsu, H.-T., Lawrence, C.R., Winnick, M.J., Barger, J., Maher, K. (2018) A molecular investigation of soil organic carbon composition across a subalpine catchment. Soils 2, doi:10.3390/soils2010006.

Ibarra, D.E., Oster, J.L., Winnick, M.J., Caves, J.K., Chamberlain, C.P. (2018) Warm and cold wet states in the western United States during the Pliocene-Pleistocene. Geology, doi:10.1130/G39962.1.

Winnick, M.J., Maher K. (2018) Relationships between CO2, thermodynamic limits on silicate weathering, and the strength of the silicate weathering feedback. Earth and Planetary Science Letters 485, 111-120, doi: 10.1016/j.epsl.2018.01.005.

Winnick, M.J., Carroll, R., Williams, K., Maxwell, R., Dong, W., Maher, K. (2017) Snowmelt controls on concentration-discharge relationships and the balance of oxidative and acid-base weathering fluxes in an alpine catchment, East River, Colorado, USA. Water Resources Research, doi:10.1002/2016WR019724.

Caves, J.K., Bayshashov, B.U., Zhamangara, A., Ritch, A.J., Ibarra, D.E., Sjostrom, D.J., Mix, H.T., Winnick, M.J., Chamberlain, C.P. (2017) Late Miocene uplift of the Tian Shan and Altai and reorganization of Central Asia climate. GSA Today.

Winnick, M.J., Caves, J.K., Chamberlain, C.P. (2015) A mechanistic analysis of Early Eocene latitudinal gradients of isotopes in precipitation. Geophysical Research Letters, DOI: 10.1002/2015GL064829.

Winnick, M.J., Caves, J.K. (2015) Oxygen isotope mass-balance constraints on Pliocene sea level and East Antarctic Ice Sheet stability. Geology 43, 879-882, doi:10.1130/G36999.1.

Caves J.K., Winnick M.J., Graham S., Sjostrom D., Mulch A., Chamberlain, C.P. (2015) Role of the westerlies in Central Asia climate over the Cenozoic. Earth and Planetary Science Letters 428, 33-43.

Oster J., Ibarra D., Winnick M.J., Maher K. (2015) Steering of the westerly storm track over western North America at the Last Glacial Maximum. Nature Geoscience 8, 201-205.

Winnick M.J., Chamberlain C.P., Caves J.K., Welker J. (2014) Quantifying the isotopic ‘continental effect’. Earth and Planetary Science Letters 406, 123-133.

Chamberlain C.P., Winnick M.J., Mix H., Chamberlain S., Maher K. (2014) The impact of Neogene grassland expansion and aridification on the isotopic composition of continental precipitation. Global Biogeochemical Cycles 28, 992-1004.

Caves J., Sjostrom D., Mix H., Winnick M.J., Chamberlain C.P. (2014) Aridification of Central Asia and uplift of the Atlai and Hangay Mountains, Mongolia: stable isotope evidence. American Journal of Science 314, 1171-1201.

Mix H., Winnick M.J., Mulch A., Chamberlain C.P. (2013) Grassland expansion as an instrument of hydrologic change in Neogene western North America. Earth and Planetary Science Letters 377-378, 73-83.

Winnick M.J., Welker J., Chamberlain C.P. (2013) Stable isotopic evidence of El Niño-like atmospheric circulation in the Pliocene western United States. Climate of the Past 9, 903-912.

Freund F., Kulahci I., Cyr G., Ling J., Winnick M.J., Tregloan-Reed J., Freund M. (2009) Air ionization at rock surfaces and pre-earthquake signals. Journal of Atmospheric and Solar-Terrestrial Physics 71, 1824-1834.

 

TEACHING EXPERIENCE

2016: Science Mentor for Summer Undergraduate Research, Stanford University: Maeve McCormick, ’19 and Grace Rainaldi, ‘19

Project: Spatial and temporal variability of soil respiration fluxes, DOC transport, and in-stream carbon transformations in the East River, Colorado.

Description: Fieldwork measuring soil CO2 concentrations, gas and water fluxes and chemistry; GIS and statistical analyses in ArcGIS and R

2013: Graduate Mentor for Summer Undergraduate Research, Stanford University: Alexis Wood ‘15

Project: Eocene Latitudinal Gradients of Isotopes in Precipitation

Description: field campaign collecting lacustrine and pedogenic carbonates in British Columbia, Canada; laboratory analysis of stable isotopes in collected carbonates; presentation at Stanford School of Earth Science undergraduate research fair

2010 – 2015: Teaching Assistant, Stanford University, EESS 12SC, Environmental and Geological Field Studies in the Rocky Mountains

Description: led lectures; developed and led field exercises and coursework; travel and logistical planning for 3-week field course

2010 – 2012: Teaching Assistant, Stanford University, ES 2, Earth System History

Description: led lectures; developed problem sets and exams; held office hours; grading

2010 – 2011: Science Mentor for K-12 Bay Area Teachers, Stanford-NASA Climate Change Education Project

Description: Advised local Bay Area 8th grade teacher on implementing new climate science curriculum, provided class materials to teach about current climate change events

2010: Graduate Mentor for Summer Undergraduate Research, Stanford University: Elif Tasar ‘12

Project: Stable Isotope Stratigraphy of Pliocene Lake Verde, Arizona

Description: field campaign collecting carbonates and hydrated volcanic ash from lake sediments in Camp Verde, AZ; laboratory analysis of stable isotopes in collected samples; presentation at Stanford School of Earth Science undergraduate research fair

2007 – 2009: Physics Department Tutor, Vassar College

Description: office hours to provide additional instruction to undergraduates in introductory and intermediate courses offered by the department

 

PROFESSIONAL ACTIVITIES

Associate Editor – American Journal of Science

Reviewer – Science, Nature Geoscience, Science Advances, Earth and Planetary Science Letters, Geophysical Research Letters, Scientific Reports, Journal of Hydrology, Climate Dynamics, Geology, Chemical Geology, Water Resources Research, ETH Zurich Research Commission, NSF P2C2

Member – American Geophysical Union (2008-present), Geological Society of America (2008-present, American Chemical Society (2017-present)

 

CONFERENCE ABSTRACTS AND INVITED TALKS (FIRST AUTHOR)

Winnick M.J. (Invited) Antarctic ice sheet stability and global sea level rise with a changing climate. San Mateo County Sustainability Academy, February 2017.

Winnick M.J., Carroll R., Williams K., Maxwell R., Maher K. (Poster) Concentration-discharge relationships, nested reaction fronts, and the balance of oxidative and acid-base weathering fluxes in an alpine catchment, East River, CO. AGU Fall Meeting, 2016.

Winnick M.J. (Invited) Quantifying paleoclimate dynamics using isotopes in precipitation. San Jose State University Geology Club, April 2016.

Winnick M.J., Caves J.K. (Poster) Oxygen isotope mass-balance constraints on Pliocene sea level and East Antarctic Ice Sheet stability. AGU Fall Meeting, 2015.

Winnick M.J., Chamberlain C.P. (Talk) Evaluating the controls of terrestrial moisture recycling and E-T partitioning on synoptic-scale isotopic gradients in precipitation: Implications for monitoring the effects of climate change into the future. IAEA International Symposium on Isotope Hydrology, May, 2015.

Winnick M.J., Chamberlain C.P., Caves J.K., Welker J.M. (Invited) Quantifying the climatic and topographic controls of precipitation isotopes in continental interiors: applications to unraveling isotopic records of climate in Cenozoic Central Asia. AGU Fall Meeting, 2014.

Winnick M.J., Caves J.K., Ibarra D.E., Wood A.M., Mix H.T., Chamberlain C.P. (Poster) Early Eocene latitudinal isotope gradients in precipitation and implications for global latent heat transport: new data from British Columbia, Canada and a global data-model comparison. AGU Fall Meeting, 2014.

Winnick M.J., Caves J.K., Welker J.M., Chamberlain C.P. (Talk) Quantifying the isotopic continental effect: Implications for reconstructing past climate and topography from isotopic gradients. GSA Annual Meeting, 2014.

Winnick M.J., Chamberlain C.P. (Poster) The ‘continental effect’: A mechanistic framework for interpreting terrestrial isotopic gradients in precipitation. AGU Fall Meeting, 2013.

Winnick M.J., Welker J.M., Chamberlain C.P. (Talk) Stable isotopic evidence of El Nino-like atmospheric circulation in the Pliocene western United States. AGU Fall Meeting, 2012.

Winnick M.J., Welker J.M., Chamberlain C.P. (Poster) Characterizing atmospheric teleconnections in the Pliocene epoch using stable isotopes. AGU Fall Meeting, 2011.

Winnick M.J., Gillikin D.P. (Poster) Evaluating the freshwater mussel Elliptio complanata as a proxy for road salt pollution in Northeastern US streams. GSA Annual Meeting 2009.

Winnick M.J., Kulahci I., Cyr G., Tregloan-Reed J., Freund F.T. (Poster) Ionization and corona discharges from stressed rocks. AGU Fall Meeting, 2008.

Winnick M.J., Gillikin D.P., Goodwin D., Kesler D.H. (Poster) Freshwater mussel shells as a proxy for stream salinization from road salt. GSA Annual Meeting, 2008.