Department of Climate and Space Sciences and Engineering in the College of Engineering at the University of Michigan

FACULTY


Germán Martínez
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Germán Martínez

Assistant Research Scientist

Office: 1531A Space research Building
Phone: (+1)734-358-4324
Email: gemartin@umich.edu

Education

  • Ph.D. (SUMMA CUM LAUDE), Universidad Complutense de Madrid, Spain, 2010, Thesis: "Characterization of the Martian Planetary Boundary Layer", Advisors: Luis Vázquez and Francisco Valero
  • M.S., Teaching, Universidad Complutense de Madrid, Spain, 2007
  • M.S., Atmospheric Sciences, Universidad Complutense de Madrid, Spain, 2007
  • B.S., Physics, Universidad Complutense de Madrid, Spain, 2005

Research

  • Martian Weather and Climate.
  • Thermodynamics and Radiation.

Specializations and Research Interests

  • Liquid water on Mars: Potential formation mechanisms.
  • Martian Water Cycle and Soil-Atmosphere Interactions.
  • Martian Radiative Transfer Modeling.
  • Martian Planetary Boundary Layer Modeling.
  • Analysis of REMS products (NASA Mars MSL mission), MECA/TECP relative humidity related products (NASA Mars Phoenix mission) and HiRISE images (NASA Mars MRO mission).

Honors, Awards and Accomplishments

  • NASA's Mars Science Laboratory mission, Group Achievement Award, 2015
  • UCM-EEA Abel Predoc Grant, European Economic Area, 2010
  • Universidad Complutense de Madrid "Exención de tasas" Award, 2006. Fellowship covering full tuition for the PhD program. Awarded to 5% of applicants.
  • Graduated from high school with an award as best student, Murcia, Spain, class 1995

Professional Service

  • Proposal reviewer for NASA Earth and Space Science Fellowship Program, 2016.
  • Proposal reviewer for NSF Antarctic Earth Sciences Program, 2016.
  • Panelist and proposal reviewer for NASA Mars Data Analysis Program, 2015.
  • Lecturer, Winter 14, AOSS 350,  Atmospheric Thermodynamics.
  • Lecturer, Winter 13, AOSS 350,  Atmospheric Thermodynamics.
  • Lecturer, M.Sc. course on Climate Risks and Environmental Impacts, Universidad Complutense de Madrid and the Spanish Meteorology Agency, 2010. 
  • Research Assistant, Arquimea Ingeniería, S.L, Madrid, Spain, 2007-2008.
  • Research Assistant, Universidad Politécnica de Catalonia, Barcelona, Spain, 2007.
  • Research Assistant, Instituto Nacional de Técnica Aeroespacial (INTA), Madrid, Spain, 2005-2007.

Mission Participation:

  • NASA's Mars 2020 Mission, MEDA Co-Investigator.
  • NASA's Mars MSL Mission, Current Team Collaborator. Former PhD. student helping in the scientific design of the Rover Environmental Monitoring Station (REMS). PhD advisor: Prof. L. Vazquez, first PI of REMS.
  • MetNet Mars Mission, Associate Researcher for the Spanish MEIGA-MetNet suite.

Publications

Refereed Journal Publications:

  1. Martínez, G. M., T. McConnochie, N. O. Renno, P.-Y. Meslin, E. Fischer, A. Vicente-Retortillo, C. S. Borlina, O. Kemppinen, M. Genzer, A.-M. Harri, M. de la Torre-Juárez, M.-P. Zorzano, F. Javier Martín-Torres, N. Bridges, S. Maurice, O. Gasnault, J. Gómez-Elvira and R. Wiens, Diurnal variation of near-surface atmospheric water vapor at Gale Crater: Analysis from REMS and Chemcam Measurements, J. Geophys. Res.: Planets (In Preparation), 2017.
  2. Harri, A.-M., M. Genzer, O. Kemppinen, J. Gómez-Elvira, T. McConnochie, H. Savijärvi, J. Polkko, M. de la Torre-Juárez, C. Newman, G. M. Martínez, M. Paton, J. Martín-Torres, R. Haberle, L. Vázquez, M. Hieta, T. Makinen, W. Schmidt, T. Siili and the MSL Science Team, Water Cycle at Gale Crater Through MSL REMS Observations, J. Geophys. Res.: Planets (In Preparation), 2017.
  3. Vicente-Retortillo, A., G. M. Martínez, N. O. Renno, M. Lemmon, and M. de la Torre-Juárez, Determination of dust aerosol particle size at Gale Crater using REMS UVS and Mastcam measurements, J. Geophys. Res.: Planets (Under Review), 2017.
  4. Martínez, G. M., C. N. Newman, A. De Vicente-Retortillo, E. Fischer, N. O. Renno, M. I. Richardson, A. G. Fairén, S. D. Guzewich, R. M. Haberle, O. Kemppinen, M. T. Lemmon, M. D. Smith, M. de la Torre-Juárez and A. R. Vasavada, Characterization of the modern Martian climate near the surface: A review of in-situ data from Viking to Curiosity, Space Science Reviews (Under Review), 2016.
  5. McConnochie, T. H., M. D. Smith, M. J. Wolff, S. Bender, M. Lemmon, R. C. Wiens, S. Maurice, O. Gasnault, A.-M. Harri, M. Genzer, O. Kemppinen, G. M. Martínez, J. Lasue, L. DeFlores, D. Blaney, D. R. Johnson, J. F. Bell III, Retrieval of Water Vapor Column Abundance and Aerosol Properties from ChemCam Passive Sky Spectroscopy, Icarus (Under Review), 2016.
  6. Vicente-Retortillo, A., M. Lemmon, G. M. Martínez, F. Valero, L. Vázquez and M. L. Martín, Variabilidad estacional e interanual de la radiación solar en las coordenadas de aterrizaje de Spirit, Opportunity y Curiosity (English version: Seasonal and interannual variability of solar radiation at Spirit, Opportunity and Curiosity landing sites), Fisica de la Tierra, 28, 111-127, 2016.
  7. Martínez, G. M., M. de la Torre-Juárez, A. Vicente-Retortillo, O. Kemppinen, N. Renno and M. Lemmon, Análisis de las condiciones ambientales en el cráter Gale a partir de mediciones REMS/MSL (English version: An overview of the environmental conditions at Gale Crater from MSL/REMS measurements), Fisica de la Tierra (Invited), 28, 163-179, 2016.
  8. Fischer, E., G. M. Martínez, and N. O. Renno, Formation and persistence of brine on Mars: Experimental simulations throughout the diurnal cycle at the Phoenix landing site, Astrobiology, 16(12), 937-948, 2016.
  9. Rapin, W., P.-Y. Meslin, S. Maurice, D. Vaniman, M. Nachon, N. Mangold, S. Schröder, O. Gasnault, O. Forni, R. C. Wiens, G. M. Martínez, A. Cousin, V. Sautter, J. Lasue, and D. Archer, Hydration state of calcium sulfates in Gale Crater: identification of bassanite veins, Earth Planet. Sci. Lett., 452, 197-205, 2016.
  10. Martínez, G. M., E. Fischer, N. O. Rennó, E. Sebastián, O. Kemppinen, N. Bridges, C. S. Borlina, P.-Y. Meslin, M. Genzer, A.-M. Harri, A. Vicente-Retortillo, M. Ramos, M. de la Torre Juárez, F. Gómez, J. Gómez-Elvira and the REMS Team, Likely frost events at Gale crater: Analysis from MSL/REMS measurements, Icarus, 280, 93-102, 2016.
  11. Vicente-Retortillo, A., F. Valero, L. Vázquez, and G. M. Martínez, A model to calculate solar radiation fluxes on the Martian surface, Space Weather and Space Climate, 5, A33, 2015.
  12. Martínez, G. M., N. O. Renno, E. Fischer, C. S. Borlina, B. Hallet, M. de la Torre-Juárez, A. Vasavada, M. Ramos, V. Hamilton, J. Gómez-Elvira, R. M. Haberle, and the REMS Team, Surface Energy Budget and Thermal Inertia at Gale Crater: Calculations from Ground-Based Measurements, Journal of Geophysical Research: Planets 119.8: 1822-1838, 2014.
  13. Fischer, E., G. M. Martínez, H. Elliott, and N. O. Renno, Experimental evidence for the formation of liquid saline water on Mars. Geophysical Research Letters, 41, DOI:10.1002/2014GL060302, 2014.
  14. Martínez, G. M., F. Valero, L. Vázquez, and H. Elliott, The Martian Planetary Boundary Layer: Turbulent Kinetic Energy and Fundamental Similarity Scales, Solar System Research (Invited), DOI: 10.1134/S003809461306004X, 2013.
  15. Martínez, G. M., and N. O. Renno, Water and Brines on Mars: Current Evidence and Implications for MSL, Space Science Reviews (Invited). DOI:10.1007/s11214-012-9956-3, 2013.
  16. Martínez, G. M., N. O. Renno, and H. Elliott, The Evolution of the Albedo of Dark Spots Observed on Mars Polar Region, Icarus, 221, 816-830. DOI:10.1016/j.icarus.2012.09.008, 2012.
  17. Martínez, G. M., F. Valero, and L. Vázquez, TKE Budget in the Convective Martian PBL, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.883, 2011.
  18. Martínez, G. M., F. Valero, and L. Vázquez, Characterization of the Martian Convective Boundary Layer, Journal of Atmospheric Sciences, 66, Issue 7, 2044–2058. DOI: 10.1175/2009JAS3007.1, 2009.
  19. Martínez, G. M., F. Valero, and L. Vázquez, Characterization of the Martian Surface Layer, Journal of Atmospheric Sciences, 66, Issue 1, 187–198. DOI:10.1175/2008JAS2765.1, 2009.

Conference Articles (selected):

  • Martínez, G. M., A. Vicente-Retortillo, O. Kemppinen, E. Fischer, A. Fairén, S. D.Guzewich, R. M. Haberle, H. Kahanpää, M. Lemmon, C. Newman, N. Renno, M. Richardson, M. D. Smith, M. de la Torre-Juárez and A. Vasavada, Interannual, seasonal and diurnal Mars surface environmental cycles observed from Viking to Curiosity, DPS 48/ EPSC 11, Pasadena, US, 2016.
  • Martínez, G. M., T. McConnochie, N. O. Renno, P.-Y. Meslin, E. Fischer, Vicente-Retortillo, C. S. Borlina, O. Kemppinen, M. Genzer, A-H. Harri, M. de la Torre-Juárez, M. P. Zorzano, J. M. Torres, N. Bridges, S. Maurice, O. Gasnault, J. Gómez-Elvira, R. Wiens and the REMS Team, Diurnal variation of near-surface atmospheric water vapor at Gale Crater: Analysis from REMS and Chemcam measurements, 47th Lunar and Planetary Science Conference, The Woodlands, US, 2016.
  • Martínez, G.M., Renno, N.O., Fischer, E., de la Torre-Juarez, M., Meslin, P-Y., Kemppinen, O., Genzer, M., Harri, A-H., Ramos, M., Borlina, C., Schröder, S., Gómez-Elvira, J., and the REMS team, Potential sub-micrometer-thick frost events and soil water content at Gale Crater: Calculations from MSL/REMS measurements. Lunar and Planetary Science Conference, The Woodlands, US, 2015.
  • Martínez, G.M., Fischer, E., Renno, N.O., de la Torre-Juarez, M., Meslin, P-Y., Kemppinen, O., Genzer, M., Harri, A-H., Ramos, M., Borlina, C., Schröder, S., Gómez-Elvira, J., and the REMS team, Study of potential sub-micrometer-thick frost events and soil water content at Gale Crater, American Geophysical Union, San Francisco, US, 2014.
  • Martínez, G.M., Fischer, E., Elliott, H., Borlina, C., Renno, N.O, Physisorbed liquid-like Water in Mars Gale Crater?, Abgradcon, Troy, NY, US, 2014.

  • Martínez, G.M., Renno, N., Fischer, E., Borlina, C., Hallet, B., de la Torre Juarez, M., Vasavada, A., and Gomez-Elvira, J., Ground-Atmosphere Interactions at Gale: Determination of the Surface Energy Budget, Thermal Inertia and Water Sorption on the Regolith, European Geophysical Union. Vienna, Austria, 2014.
  • Renno, N., Martinez, G.M., Ramos, M., Hallet, B., Gómez, F., Jun, I., Fisk, M., Gomez-Elvira, J., Hamilton, V., Mischna, M., Sletten, R., Martin-Torres, J., De La Torre Juarez, M., Vasavada, A., Zorzano, M.P., Ground-Atmosphere Interactions at Gale, American Geophysical Union, San Francisco, US, 2013.
  • Martínez, G.M., Renno, N., Hoffman, J.H., Elliott, H., Fischer, E., Near surface water vapor pressure and relative humidity on Mars: new values obtained from the Phoenix Mass Spectrometer, 44th Lunar and Planetary Science Conference, The Woodlands, US, 2013.
  • Martínez, G.M., Renno, N., Elliott, H., Fischer, E., Current Evidence of Liquid Water on Mars, Abgradcon. Montreal, Canada, 2013.
  • Martínez, G.M., Renno, N., Elliott, H., Fischer, E., Present-Day Liquid Water on Mars: Theoretical Expectations, Observational Evidence, and Preferred Locations, The Present-day Mars Habitability Conference. Los Angeles, US, 2013.
  • Martínez, G.M., Renno, N., Elliott, H., Composition of Dark Spots in Mars' Richardson Crater from the Analysis of HiRISE Images. European Gephysical Unio,. Vienna, Austria, 2012.
  • Elliott, H., Martínez, G.M., Halleaux, D., Braswell, S., Renno, N., The Michigan Mars Environmental Chamber (MMEC): Determining the conditions at which liquid brines form on Mars, 43rd Lunar and Planetary Science Congress. The Woodlands, Texas, US, 2012.
  • Martínez, G.M., Valero, F., Vázquez, L., Turbulent Kinetic Energy on Mars: Derivation from ground-based Data, Fourth International Workshop on the Mars Atmosphere: Modeling and Observations, Paris, France, 2011.
  • Martínez, G.M., Silva, J., Valero, F., Vázquez, L., TKE Budget in the Convective Martian PBL, European Science Planetary Congress, Rome, Italy, 2010.
  • Valero, F., Martínez, G.M., Atmospheric Boundary Layer Theory, EAWE Summer School, Pamplona, Spain, 2010.
  • Martínez, G.M., Valero, F., Vázquez, L., Martian Mixed Layer during Pathfinder Mission, European Science Planetary Congress. Munster, Germany, 2008.
  • Martínez, G.M., Valero, F., Vázquez, L., Mars Surface Layer Characterization, European Science Planetary Congress, Vienna, Austria, 2008.
Updated: 2017-03-02