Current Position:

Associate Professor

Office Hours:

MWF 10-11 AM, Social Science 417

Research Interests:

Numerical modeling of ice sheet dynamics.

Courses:

Fall 2011 Teaching:

CSCI 444, Data Visualization: Visualization fundamentals and applications using special visualization software; formulation of 3-D empirical models; translation of 3-D models into graphical displays; time sequences and pseudo-animation; interactive versus presentation techniques; special techniques for video, CD and other media.

CSCI 250, Computer Modeling for Science Majors: An introduction to computer modeling in the sciences using spreadsheets and a programming language. Integrates principles of math, computer science and science.

Hobbies:

I like to try and bike, run, ski, hunt, travel to new places, listen to music, camp, cook, and read fiction.

Education:

1994 University of Minnesota, BS, Phyics

2002 University of Maine, Orono PhD, Physics

2003 University of Maine, Orono MS, Computer Science

Teaching Experience:

I have taught:

• C++
• A First Couse in FInite Elements
• Data Structures
• Computer Architectures
• Computer Graphics
• Data Visualization
• Computer Simulation and Modeling
• Statistical, Dynamical, and Computational Models
• Mathematics and physics at the high school level

International Experience:

United States Peace Corps volunteer 1994-1996 in Malawi, Central Africa.

University of Montana faculty exchange program in Cape Town, South Africa, 2010 - 2011. I was at Univeristy of Cape Town, and kept a blog.

Selected Publications:

D.J. Brinkerhoff, T.W. Meierbachtol, J.V. Johnson, J.T. Harper, (2011) “Sensitivity of the frozen-melted basal boundary to perturbations of basal traction and geothermal heat flux: Isunnguata Sermia, western Greenland”, Annals of Glaciology, vol. 59 pp. XX XX (in press)

R. Calov, R. Greve, A. Abe-Ouchi, E. Bueler, P. Huybrechts, J.V. Johnson, F. Pattyn, D. Pollard, C. Ritz, F. Saito, L. Tarasov (2010) Results from the Ice- Sheet Model Intercomparison ProjectHeinrich Event INtercOmparison (ISMIP HEINO). Journal of Glaciology vol. 56 (197) pp. 371-383

W. Lipscomb, R. Bindschadler, E. Bueler, D. Holland, J. Johnson, S. Price, (2009) “A Community Ice Sheet Model for Sea Level Prediction.” Eos Trans. 90(3) doi:10.1029/2009EO0300042009

S. E. Morales, T.F. Cosart, J.V. Johnson, W.E. Holben (2009) “Extensive Phylogenetic Analysis of a Soil Bacterial Community Illustrates Extreme Ta- xon Evenness and the Effects of Amplicon Length, Degree of Coverage, and DNA Fractionation on Classification and Ecological Parameters.” Appl Environ Microb 75(3) 668-672

S. E. Morales, T.F. Cosart, J.V. Johnson, W. E. Holben (2008) “Supplemen- tal programs for enhanced recovery of data from the DOTUR application.” J Microbiol Meth vol. 75 (3) 572-575

A. R. Lewis, D. R. Marchant, A. C. Ashworth, L. Hedena ¨s, S. R. Hemming, J.V. Johnson, M. J. Leng, M. L. Machlus, A. E. Newton, J. I. Raine, J. K. Willenbring, M. Williams, A. P. Wolfe (2008) “Mid-Miocene cooling and the extinction of tundra in continental Antarctica”, PNAS 105:10676-10680; 2008, doi:10.1073/pnas.0802501105

Pattyn, F., Perichon, L., Aschwanden, A., Breuer, B., de Smedt, B., Gagliar- dini, O., Gudmundsson, G. H., Hindmarsh, R. C. A., Hubbard, A., Johnson, J.V., Kleiner, T., Konovalov, Y., Martin, C., Payne, A. J., Pollard, D., Price, S., Rckamp, M., Saito, F., Souek, O., Sugiyama, S., and Zwinger, T. (2008) “Benchmark experiments for higher-order and full-Stokes ice sheet models (IS- MIPHOM)”, The Cryosphere, 2, 95-108, 2008

C. Little, S. Jacobs, J.V. Johnson, A. J. Payne, R. Hallberg, C. L. Hulbe, H. Levy, G. A. Schmidt, M. Winton, V. Balaji, T. L. Delworth, D. G. Vaughan, W. H. Lipscomb, G. K. C. Clarke, S. J. Marshall, R. B. Alley, D. M. Holland, R. J. Stouffer, M. Oppenheimer, B. R. Parizek (2007), “Toward a New Generation of Ice Sheet Models”, Eos Trans. 88(52), 578, 10.1029/2007EO520002.

J. V. Johnson and J.W. Staiger (2007), “Modeling Long-term Stability of the
Ferrar Glacier, East Antarctica: Implications for Interpreting Cosmogenic Nucli-
de Inheritance”, Journal of Geophysical Research, 112, F03S30 doi:10.1029/2006JF000599

Staiger, J.W., Gosse, J.C., Little, E.C., Utting, D.J., Finkel, R., Johnson, J.V.,
Fastook, J. (2006) “Glacial Erosion and Sediment Dispersion from Detrital Cos-
mogenic Nuclide Analyses of Till” Quaternary Geochronology 1(1): 29-42

J. W. Staiger, J. C. Gosse, R. Toracinta, R. Oglesby, J. L. Fastook, J.V. John-
son (2006) “Atmospheric scaling of cosmogenic nuclide production: the climate
e?ect.”, Journal of Geophysical Research 112(B2), B02205 doi: 10.1029/2005JB003811

Staiger, J.W., Gosse J.C, Johnson, J.V., Fastook J., Gray J.T., Stockli D.F.,
Stockli L., and Finkel R.“Relief generation by polythermal glacier ice” Earth
Surface Processes and Landforms (2005) 30 (9): 1145-1159

Staiger, J.W., Marchant, D.R., Oberholzer, P., Schaefer, J.M., Johnson, J.V.,
Lewis, A.R. “Late Miocene-Pleistocene history of Ferrar Glacier, Antarctica:
Implications for climate and ice sheet stability”, Earth and Planetary Science
Letters (2005) 243 (3-4): 489–503

Johnson, J.V., Prescott P.R. and Hughes T.H. “Ice dynamics preceding ca-
tastrophic disintegration of the ?oating part of Jababshavn Isbræ”, Journal of
Glaciology (2004) 50 (171): 492-504

Naslund, J.O., P. Jansson, J.L. Fastook, and J. Johnson, (2004) “Modeling
ice-sheet basal meltwater production using realistic geothermal heat ?ow data”,
Annals of Glaciology (40) 047

Johnson, J.V. and Fastook, J.L. (2002) “Northern Hemisphere glaciation and
its sensitivity to basal melt water.”Quaternary International. (95), 65-74