CURRICULUM VITAE

Alan Dighton Howard

January, 2005

PERSONAL HISTORY

Birthdate and Place: March 30, 1939; Evanston, Illinois

Marital Status: Married to P. Marlowe Howard, no children

ADDRESS

Home: Rt. 3, Box 680

Crozet, Virginia, 22932

(804) 823‑5532

Work: Department of Environmental Sciences

University of Virginia

Clark Hall

Charlottesville, Virginia 22903

(804) 924‑0563; FAX (804) 982‑2137; EMAIL ah6p@Virginia.EDU

EDUCATION

B.S. Geology, Yale University, New Haven, Connecticut, June 196l.

M.A. Geology, Harvard University, Cambridge, Massachusetts, June 1962.

Ph.D. Geography, The Johns Hopkins University, Baltimore, Maryland, June 1970. Dissertation: A Study of Process and History in Desert Landforms near the Henry Mountains, Utah.

PROFESSIONAL EXPERIENCE

Acting Assistant Professor, Department of Geography, University of Virginia, Charlottesville, Virginia, September 1968 ‑ June 1970.

Assistant Professor, Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia, June 1970 ‑ September 1973.

Associate Professor, Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia, September 1973 ‑ September, 1984.

Professor, Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia, September 1984 ‑ present.

PROFESSIONAL SOCIETIES

Fellow, American Geophysical Union

Member, Geological Society of America

Fellow, National Speleological Society

Member, Cave Research Foundation

FUNDED RESEARCH AT THE UNIVERSITY OF VIRGINIA

Evolution of Drainage Basin Characteristics. Funded by NSF. Institutional Subgrant.

Erosion and Sedimentation at a Borrow Pit near Fredericksburg, Virginia. Partially funded by the Virginia Highway Research Council.

Interpretation of Surface Features and Surfaces Processes on Mars. Funded by a NASA grant, 1970‑1980.

Changes in Fluvial Deposits of the Colorado River, Research contract with National Park Service, 1974‑1976.

Quaternary Map of Virginia. U.S. Geological Survey.

Layered Deposits and Paleoclimates. Funded by NASA grant, 1979‑198l.

Groundwater Sapping: Processes and Landforms. Funded by NASA grant 198l‑1988

Groundwater and Permafrost Processes on Mars. Funded by NASA grant 1988‑1995.

Surface‑Atmosphere Interactions. Funded by NASA grant 1991‑1993.

Biogeomorphology Conference. Funded by NSF and U.S. Geological Survey grants 1995.

Erosional Processes on Mars. Funded by NASA grant 1995-continuing.

Mars Cratered Highlands Field Conference. Funded by NASA grant, 1999-2001. Conference and field trip held in October, 2001 (with Jeffrey Moore, NASA Ames Research Center and James Rice, Arizona State University.

The Topography and Basin Deposits of the Equatorial Highlands: A MGS-Viking Synergistic Study. Funded by NASA grant, 1999-2005 (With Paul Schenk, Lunar and Planetary Institute and Jeffrey Moore, NASA Ames Research Center).

Predicting the Distribution and Properties of Buried Submarine Topography on Continental Shelves, Funded by Office of Naval Research, 2000-2003 (with Patricia Wiberg, James Syvitski, Scott Peckham, Neal Driscoll)

Noachian Geomorphology as an Indicator of the Nature of the Early Martian Climate. Funded by NASA grant, 2003-2006 (with Stephen Clifford and Micheal Carr).

REFEREED JOURNAL AND BOOK ARTICLES

1963 Howard, A.D. The development of karst features: National Speleological Society Bulletin, v. 25, p. 45‑65.

1964 Howard, A.D. The model for cavern development under artesian groundwater flow, with special reference to the Black Hills. National Speleological Bulletin, v. 26, p. 7‑l6.

1964 Howard, A.D. Processes of limestone cavern development. International Journal of Speleology, v. l, p. 47‑60.

1965 Howard, A.D. Geomorphological systems‑‑equilibrium and dynamics. American Journal of Science, v. 263, p. 302‑3l2.

1966 Howard, A.D. Verification of the mishungskorrosion effect. Cave Notes, v. 8, p. 9‑l2.

1967 Howard, A.D. and B.Y. Howard. Solution of limestone under laminar flow beteen parallel boundaries. Caves and Karst, v. 9, p. 25‑38.

1968 Howard, A.D. Stratigraphic and structural controls on landform development in the Central Kentucky Karst. National Speleological Bulletin, v. 30, p. 95‑ll4.

1970 Howard, A.D., Keetch, M.E., and C.L. Vincent. Topological and geometrical properties of braided streams. Water Resources Research, v. 6, no. 6, p. l674‑l688.

197l Howard, A.D. Simulation model of stream networks by headward growth and branching. Geographical Analysis, v. 3, no. l, p. 29‑50.

197l Howard, A.D. Simulation model of stream capture. Geological Society of America Bulletin, vo. 82, no. 5, p. l355‑l376.

197l Howard, A.D. Optimal angles of stream junction: geometric, stability to capture and minimum power criteria. Water Resources Research, v. 7, no. 4, p. 863‑873.

197l Howard, A.D. Quantitative measures of cave patterns. Caves and Karst, v. l3, no. l, p. l‑7.

1972 Howard, A.D. Problems of Interpretation of Simulation Models of Geologic Processes, in Quantitative Geomorphology: Some Aspects and Applications. Morisawa, Marie, Ed., Publications in Geomorphology, Binghamton, N.Y., Ch. 2, p. 6l‑82.

1974 Dolan, R., Howard, A.D., and Gallenson, A. Man's impact on the Colorado River in the Grand Canyon. American Scientist, v. 62, p. 394‑40l.

1977 Howard, A.D. Effect of Slope on the Threshold of Motion and its Application to Orientation of Wind Ripples. Geological Society of America Bulletin, v. 88, p. 853‑856.

1977 Dolan, R., Hayden, B., Howard, A., and Johnson, R. Environmental management of the Colorado River within the Grand Canyon. Environmental Management, V. l, p. 39l‑400.

1978 Howard, A.D., Morton, J.B., Gad‑el‑Hak, M., and Pierce, D.B. Sand Transport Model of Barchan Dune Equilibrium. Sedimentology, v. 25, p. 307‑338.

1978 Howard, A.D. Origin of the Stepped Topography of the Martain Poles. Icarus, v. 34, p. 58l‑599.

1978 Dolan, R., Howard, A., Trimble, D. Structural control of the rapids and pools of the Colorado River in the Grand Canyon. Science, v. 202, p. 629.

1980 Howard, A.D. Thresholds in river regime. in Coates, D.R. and Vitek, J.D., eds., The Concept of Geomorphic Thresholds, Allen and Unwin, Boston, Ch. ll, p. 227‑258.

198l Howard, A. D., and Dolan, R. Geomorphology of the Colorado River in the Grand Canyon. Journal of Geology, 89, p. 269‑298.

1982a Howard, A.D. Equilibrium and time scales in geomorphology: Application to sand‑bed alluvial channels. Earth Surface Processes, v. 7, p. 303‑325.

1982b Howard, A.D., Blasius, K.R., and Cutts, J.A. Photoclinometric determination of the topography of the Martian north polar cap. Icarus, v. 50, p. 245‑258.

1982c Blasius, K.R., Cutts, J.A., and Howard, A.D. Topography and stratigraphy of Martian polar layered deposits, Icarus v. 50, p. 140‑160.

1982d Howard, A.D., Cutts, J.A., and Blasius, K.R. Stratigraphic relationships within Martian polar cap deposits: Icarus, v. 50, p. 161‑215.

1983 Howard, A.D. and Kirby, G., Channel changes in badlands. Geological Society of America Bulletin, v. 94, p. 739‑ 752.

1984 Howard, A.D. and Knutson, T.R. Sufficient Conditions for River Meandering: A simulation approach: Water Resources Research, v. 20, p. 1659‑1667.

1985 Kochel, R.C. Howard, A.D., and McLane C., Channel networks developed by groundwater sapping in fine‑grained sediments: Analogs to some Martian Valleys, in Woldenberg, M.A., ed., Models in Geomorphology, George Allen and Unwin, Boston, p. 313‑341.

1987 Howard, A.D. et al., Quaternary Geologic Map of the Chesapeake Bay 4 x 6 Quadrangle, United States: U.S. Geological Survey, Map I‑1420.

1987 Howard. A. D., Modelling fluvial systems: rock, gravel and sand bed channels: in River Channels, edited by K. S. Richards, Basil Blackwell, Oxford, Ch. 4, p. 69‑94.

1988 Howard, A. D., Equilibrium models in geomorphology, in Modelling Geomophological Systems, edited by M.G. Anderson, New York, Wiley and Sons, Ch. 3, p. 49‑72.

1988 Howard, A.D. and McLane, C.F., Erosion of cohesionless sediment by groundwater seepage, Water Resources Research, v. 24, p. 1659-1674.

1990 Baker, V. R., R. C. Kochel, J. E. Laity, and A. D. Howard, Spring sapping and valley network development (subsection entitled "Case Study: Model studies of groundwater sapping" by A. D. Howard), In Higgins, C.G., and D. R. Coates, editors, Groundwater Geomorphology; the role of subsurface water in Earth-surface processes and landforms, Geological Society of Special Paper 252, p. 235‑266.

1990 Howard, A. D., Theoretical model of optimal drainage networks: Water Resources Research, vol. 26, p. 2107‑2117.

1990 Howard, A. D., Role of hypsometry and planform in basin hydrologic response: Hydrological Processes, vol. 4, p. 373‑385.

1991 Howard, A.D., et al., Quaternary Geologic Map of the Blue Ridge 4 x 6 Quadrangle, United States: U.S. Geological Survey Miscellaneous Investigations Map, I‑1420.

1991 Howard, A. D., and Hemberger, A.T., Multivariate Characterization of Meandering: Geomorphology, v. 4, p. 161‑186.

1992 Howard, A. D., Modeling channel migration and floodplain sedimentation in meandering streams: in Lowland Flooplain Rivers: Geomorphological Perspectives, edited by P. Carling and G. Petts, Chichester, John Wiley and Sons, Ch. 1, p. 1‑41.

1992 Thomas, P., S. Squyres, K. Herkenhoff, A. Howard and B. Murray, Polar deposits of Mars: in Mars, H.H. Kieffer, B.M. Jakosky, C.W. Snyder, and M.S. Matthews (eds), Tucson, University of Arizona Press, Ch. 23, p. 767‑795.

1993 Jacobson, R.B., J.P. McGeehin, E.D. Cron, C.E. Carr, J.M. Harper, and A.D. Howard, Landslides triggered by the storm of November 3‑5, 1985, Wills Mountain Anticline, West Virginia and Virginia, in R.B. Jacobson, (ed), Geomorphic Studies of the Storm and Flood of November 3‑5, 1985 in the Upper Potomac and Cheat River Basins in West Virginia and Virginia, U.S. Geological Survey Bulletin 1981, p. C1‑C33.

1994 Howard, A.D., Badlands, in Geomorphology of Desert Environments, A. Abrahams and A. Parsons (eds.), Chapter 9, Chapman & Hall, London, p. 213‑242.

1994 Howard, A.D. and M.J. Selby, Rock slopes, in Geomorphology of Desert Environments, A. Abrahams and A. Parsons (eds.), Chapter 7, Chapman & Hall, London, p. 123‑172.

1994 Abrahams, A., Howard, A.D., and Parsons, A.J., Rock‑mantled slopes, in Geomorphology of Desert Environments, A. Abrahams and A. Parsons (eds.), Chapter 8, Chapman & Hall, London, 173‑212.

1994 Groves, C.G., and Howard, A.D., Minimum hydrochemical conditions allowing limestone cave development, Water Resources Research, Vol 30, No. 3, p. 607‑616.