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H.L. (Len) Vacher

H.L. (Len) Vacher

H.L. (Len) Vacher


Office: SCA 504
Phone: 813/974-5267
Lab: SCA539


Ph.D., Northwestern University, 1971


Quantitative and mathematical literacy in geoscience education.

Graduate Students

Frances Champagne, Ray Herbst, Jessica Hodal, Scott Lakey, Paul Maxwell, Jon Ouverson, Joel Raven, Victor Ricchezza, Lindsey Romine, Joshua Smith, Victoria 'Tori' Sowell, Kimberly Tapley, Julia 'Julie' Zydek

Specialty Area

Quantitative Literacy, Geoscience Education

Current Courses

RefCourseSecCourse TitleCRDayTimeLocation
50371GLY 6971002Thesis: Master's

50581GLY 7912001Directed Research


Honors and Award

Neil Miner Award, National Association of Geoscience Teachers, 2004

Recent Publications

Selected publications:

Geology of national parks project:

Spreadsheets across the curriculum project:

Vacher, H.L., and Lardner, E., 2010. Spreadsheets across the curriculum, 1: The idea and the resource. Numeracy 3(2), Article 6. DOI: 10.5038/1936-4660.3.2.6

Vacher, H.L., and Chavez, T., 2009. Quantitative literacy on the Web of Science, 2: Mining the health numeracy literature for assessment items. Numeracy 2(1), Article 5. DOI: 10.5038/1936-4660.2.1.5

Vacher, H.L., and Chavez, T., 2008. Quantitative literacy on the Web of Science, 1: The bibliography and its role in the history of this journal. Numeracy 1(2), Article 2. DOI: 10.5038/1936-4660.1.2.2

Fratesi, S.E. and Vacher, H.L., 2008. Scientific journals as fossil traces of sweeping change in the structure and practice of modern geology. Journal of Research Practice, 4(1), Article M1. Available at:

Florea, L. J., Vacher, H.L., Donahue, B., and Naar, D., 2007, Quaternary cave levels in peninsular Florida, Quaternary Science Reviews, 26: 1344-1361.

Florea, L. J., and Vacher, H.L. 2007. Eogenetic karst hydrology: Insights from the 2004 hurricanes, peninsular Florida: Ground Water, 45(4):. 439-446.

Hughes, J. D., Vacher, H. L., and Sanford, W. E., 2007. Three-dimensional flow in the Florida Platform: Theoretical analysis of Kohout Convection at its type locality. Geology, 35(7): 663-666.

Vacher, H.L., Hutchings, W.C. and Budd, D.A., 2006, Metaphors and models: The ASR bubble in the Floridan aquifer. Ground Water, 44: 44-54.

Florea, L.J., and Vacher, H.L., 2006 Springflow hydrographs: Eogenetic vs. telogenetic karst: Ground Water, 44: 352-361.

Vacher, H.L. and T.M. Quinn (editors), 1997. Geology and Hydrogeoology of Carbonate Islands. Elsevier, Amsterdam, 948 pp.

Computational Geology series (1998-2005) in the Journal of Geoscience Education: