Dr. Mohammad Z. Iqbal Professor of Geology Office: Latham 124 Phone: 319-273-2998 (3-2998 on campus) E-mail: iqbal@uni.edu

Education

• Ph. D. Geology (1994), Indiana University
• M. S. Geology (1990), University of Akron
• M. Sc. Geology (1985), Dhaka University, Bangladesh
• B. Sc. Geology (1982), Dhaka University, Bangladesh

Research Interests

• Groundwater flow and subsurface contaminant transport mechanisms
• Impact of agricultural practices on aquatic ecosystems
• Watershed hydrology

Publications

Refereed journal articles

Iqbal, M. Z., and Chowdhury, Shafiul, 2006. Using on-campus monitoring wells to enhance student learning in geo-hydrology courses. submitted to Jounral of Geoscience Education.

Forest, I., Iqbal, M. Z., and Mercer, D. R., 2006. Reliability of water quality test strips for field measurement of nutrients essential for developing mosquito larvae. American Journal of Undergraduate Research, 5(2):1-8.

Iqbal, M.Z., Brown, E.J. and Clayton, M.E., 2006. Distribution of Phosphorus in a biologically restricted lake in Iowa, USA. Journal of Hydrology, 326 (1-4):349-366.

Atxotegi, U., Iqbal, M.Z. and Czarnetzki, A.C., 2003. A preliminary assessment of nitrate degradation in simulated soil environments. Environmental Geology, 45:161-170.

Chowdhury, S. H., Iqbal, M. Z., and Szabo, J. P., 2003. Comprehensive approach of groundwater resource evaluation: A case study in the Chippewa Creek watershed in Ohio. The Ohio Journal of Science, 103(5):134-142.

Roth, M.W., Wilson, C.M. and Iqbal, M.Z., 2003. Transient-state groundwater flow in various geometries with wells at arbitrary positions: analytical methods. Hydrological Processes, 17:3519-3530.

Tavener, B.T., and Iqbal, M.Z., 2003. The development of a hydrologic budget to determine the nitrogen and phosphorus loads of the Cedar River watershed in Iowa. Environmental Geology, 43:400-407.

Wilson, C.M., Roth, M.W., and Iqbal, M.Z., 2002. Hydrologic contaminant transport modeling: A novel analytical and computational approach. American Journal of Undergraduate Research, 1(2): 1-10.

Iqbal, M.Z., 2002. Nitrate flux from aquifer storage in excess of baseflow contribution during a rain event. Water Research, 36(3):788-792.

Iqbal, M.Z., 2000. Effects of layered heterogeneity in subsurface geologic materials on solute transport under field conditions: A case study from northeastern Iowa, USA. Hydrogeology Journal, 8:257-270.

Paseka, A.I., Iqbal, M.Z. and Walters, J.C., 2000. Comparison of numerical simulation of solute transport with observed experimental data in a silt loam subsoil. Environmental Geology, 39(9):977-989.

Iqbal, M.Z., 1999. Role of macropores in solute transport under ponded water condition produced by laboratory simulated intense storms. Ground Water, 37(5):674-681.

Iqbal, M.Z., 1998. Application of environmental isotopes in storm-discharge analysis of two contrasting stream channels in a watershed. Water Research, 32(10):2959-2968.

Iqbal, M.Z., Krothe, N.C. and Spalding, R.F., 1997. Nitrogen isotope indicators of seasonal source variability to groundwater. Environmental Geology, 32(3):210-218.

Iqbal, M.Z. and Krothe, N.C., 1996. Transport of bromide and other inorganic ions by infiltrating storm water beneath a farmland plot. Ground Water, 34(6):972-978.

Iqbal, M.Z. and Krothe, N.C., 1995. Infiltration mechanisms related to agricultural waste transport through the soil mantle to karst aquifers of southern Indiana. Journal of Hydrology, 164 (1-4):171-192.

Peer-reviewed proceedings

Iqbal, M.Z., 2004. Impact of atmospheric aerosols on rain chemistry leading to ecosystem damage in northeast Iowa, USA. In Advances in Hydro-Sciences and Engineering, Volume VI, (eds.) M.S. Altinakar, S.S.Y. Wang, K.P. Holz, and M. Kawahara, Proceedings of the 6th International Conference on Hydro-Science and Engineering, Brisbane, Australia, May 31 – June 3, 2004.

Iqbal, M. Z., 2001. Role of Inland surface water bodies in contributing moisture to the overhead vapor pool. In: New approaches characterizing groundwater flow (Edited by K. Seiler and S. Wohnlich), International Association of Hydrogeologists Congress in Munich, Germany, September 10-14, 2001, 1:117-120.

Abstracts

Iqbal, M. Z., and Chong, J., 2007. Mobility of phosphorus in two contrasting hydrologic environments. [abst] North-Central Regional Meeting, Geological Society of America, Lawrence Kansas, April 11-13, 2007. Abstracts with Programs.

Iqbal, M. Z., and Chowdhury, S., 2006. Effective teaching of groundwater concepts by using outdoor instructional facilities. [abst.] Midwest Ground Water Conference, Lincoln, Nebraska, Nov. 6-9, 2006. Abstracts with Programs.

Beason, S. R., Beaulieu, E., Halmon, S. O., Iqbal, M. Z., Kennard, P. M., and Walters, J. C., 2006. The environmental implications of aggradation on major braided river channels at Mount Rainier National Park, Washington. [abst.] The Geological Society of American Annual Meeting, Philadelphia, Pennsylvania, October 22-25, 2006. Abstracts with Programs.

Stainbrook, J. and Iqbal, M.Z., 2006. Temporal and spatial effects of agriculture on the hydrologic systems of the Waterloo/Cedar Falls area. [abst] Iowa Academy of Science Annual Meeting, Buena Vista University, Storm Lake, Iowa, April 21 - 22, 2006. Program Abstracts.

Iqbal, M.Z. and Fields, C.L., 2005. Accumulation of nitrogen in the pore water of anoxic lake sediments. [abst] American Geophysical Union Spring Meeting, New Orleans, Louisiana, May 23-27, 2005, Abstract in supplement to EOS.

Iqbal, M.Z., 2005. Biomass overgrowth in lake water caused by slow release of dissolved nitrogen from sediment pores. [abst] North-Central Regional Meeting, Geological Society of America, Minneapolis, Minnesota, May 19-20, 2005, Abstracts with Programs.

Chong, J. and Iqbal, M.Z., 2005. Loss of nutrients from croplands as a result of soil erosion in Grundy Center, Iowa. [abst] North-Central Regional Meeting, Geological Society of America, Minneapolis, Minnesota, May 19-20, 2005, Abstracts with Programs.

Even, P.F. and Iqbal, M.Z., 2005. Nitrate pollution of ground water in Gilbertville, Iowa. [abst] North-Central Regional Meeting, Geological Society of America, Minneapolis, Minnesota, May 19-20, 2005, Abstracts with Programs.

Carmichael, N.L., Funk, J.O. and Iqbal, M.Z., 2005. Analysis of Nutrient Sources, Accumulation, and Transport at West Lake in Cedar Falls, Iowa. [abst] Iowa Academy of Science Annual Meeting, Cornell College, Mt. Vernon, Iowa, April 29 - 30, 2005. Program Abstracts.

Iqbal, M.Z., 2004. Temporal Variability of Dissolved Nitrogen and Phosphorus in Iowa Rains. [abst.] Midwest Ground Water Conference, Bloomington, Indiana, Oct. 27-29, 2004. Abstracts with Programs. p. 33.

Iqbal, M.Z., 2004. Impact of atmospheric aerosols on rain chemistry leading to ecosystem damage in northeast Iowa, USA. Sixth International Conference on Hydro-science and Engineering, Brisbane, Australia, May 30 – June 3, 2004, Programs and Abstracts, p. 32.

Iqbal, M.Z. and Fields, C.L., 2004. Use of hydrologic field equipment to enhance critical thinking skills and scientific literacy of post secondary students. [abst] North-Central Regional Meeting, Geological Society of America, St. Louis, Missouri, April 1-2, 2004, Abstracts with Programs.

Bohm, J.I., Boyce, M.D., and Iqbal, M.Z., 2004. Spatial distribution of phosphorus and nitrogen in a wetland environment. [abst] North-Central Regional Meeting, Geological Society of America, St. Louis, Missouri, April 1-2, 2004, Abstracts with Programs.

Iqbal, M.Z., 2003. Composition of Rainwater and its Impact on Regional Hydrologic Processes in the Midwestern United States. [abst] American Geophysical Union Fall Meeting, San Francisco, California, December 7-12, 2003, Abstract in supplement to EOS, Vol. 84, No. 46, p-F599.

Boyce, M.D., Bailey H.J, Iqbal, M.Z., and Brown E.J., 2003. Lateral and vertical distribution of phosphorus in a northeast Iowa wetland system. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 25 - 26, 2003. Program Abstracts.

Fields, C.L. and Iqbal, M.Z., 2003. Distribution of soil runoff phosphorus of the Cedar River watershed in Iowa. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 25 - 26, 2003. Program Abstracts.

Iqbal, M.Z., 2003. Using an on-campus monitoring well site to increase teaching effectiveness in hydrology courses. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 25 - 26, 2003. Program Abstracts.

Iqbal, M.Z., 2003. Isotopic deviation of rainwater from the meteoric water line in northeast Iowa, USA. [abst] Joint assembly of the American Geophysical Union, European Geophysical Society, and European Union of Geoscientists, Nice, France, April 7-11, 2003, Program Abstracts.

Fields, C.L. and Iqbal, M.Z., 2003. Temporal and spatial variations of total phosphorus in the bottom sediments of Cedar River and its tributaries in Iowa. [abst] North-Central Regional Meeting, Geological Society of America, Kansas City, Missouri, March 24-25, 2003, Abstracts with Programs, p. 8.

Iqbal, M.Z., 2003. Experiential learning opportunities in a water science curriculum at the undergraduate level, Geological Society of America, Kansas City, Missouri, March 24-25, 2003, Abstracts with Programs, p. 17.

Iqbal, M.Z., Brown, E.J., and Clayton, M.E., 2002. Mapping of phosphorus in the sediments of a eutrophic lake in Iowa. [abst.] Forty-seventh Annual Midwest Ground Water Conference, Fargo, North Dakota, Oct. 2-4, 2002. Program and Abstracts, p. 41.

Bailey H.J., Fields, C.L., Houge A.N., Iqbal, M.Z., and Brown E.J., 2002. Vertical distribution of nitrate in the sediments of Silver Lake. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 19 - 20, 2002. Program Abstracts, p. 30.

Fields, C.L. and Iqbal, M.Z., 2002. Vertical distribution of available phosphorus in a biologically restricted lake. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 19 - 20, 2002. Program Abstracts, p. 23.

Iqbal, M.Z. and Atxotegi, U., 2002. Variability in loss of nitrogen from inorganic chemical fertilizers and cow manure applied to midwestern loam soils. [abst] North-Central Regional Meeting, Geological Society of America, Lexington, Kentucky, April 3-5, 2002, Abstracts with Programs.

Fields, C.L., Houge A.N., Bailey H.J., Iqbal, M.Z., and Brown E.J., 2001. Vertical distribution of available phosphorous in the bottom sediments of a biologically restricted lake. [abst.] The Geological Society of America Annual Meeting, Boston, Massachusetts, November 5-9, 2001, Abstracts with Programs.

Iqbal, M. Z., 2001. Role of Inland surface water bodies in contributing moisture to the overhead vapor pool. [abst.] International Association of Hydrogeologists Congress, Munich, Germany, Sept. 10 - 14, 2001. Program Abstracts.

Tavener, B. and Iqbal, M.Z., 2001. A hydrologic budget of a perennial stream system in Iowa. [abst] North-Central Regional Meeting, Geological Society of America, Normal, Illinois, April 23-24, 2001, Abstracts with Programs, p. A-14.

Iqbal, M.Z., 2000. Isotopic determination of the predominant sources of moisture in the atmospheric condensation processes in a watershed. [abst.] The Geological Society of America Annual Meeting, Reno, Nevada, November 13-18, 2000, Abstracts with Programs, p. A-357.

Bailey, H.J., Knight, K.M., Jenssen, Aaron L., and Iqbal, M.Z., 2000. A two-year comparative study of inorganic ion distribution in Casey and Silver Lakes, Iowa. [abst.] The Geological Society of America Annual Meeting, Reno, Nevada, November 13-18, 2000, Abstracts with Programs, p. A-271.

Rutkowski, J.L. and Iqbal, M.Z., 2000. Nitrate distribution in stream water and soils on the University of Northern Iowa campus. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 21 - 22, 2000. Program Abstracts, p. 24.

Drenner, K.B., Knight, K.M., Welsh, C.A., and Iqbal, M.Z., 2000. Inorganic ion distributions and sources in Silver and Casey Lakes. [abst] Iowa Academy of Science Annual Meeting, Des Moines, Iowa, April 21 - 22, 2000. Program Abstracts, p. 25.

Iqbal, M.Z., Drenner, K.B., Knight, K.M. and Welsh, C.A., 2000. Geochemical transformation and residence of inorganic ions in two small lakes in Iowa. [abst] North-Central Regional Meeting, Geological Society of America, Indianapolis, Indiana, April 6-7, 2000, Abstracts with Programs. p. A18.

Iqbal, M.Z., 1999. Chemical transport through high flow regions in soils under ponded water condition. [abst.] Midwest Ground Water Conference, St. Paul, Minnesota, Oct. 13-15, 1999. Abstracts with Programs. p. 13.

Foht, J.M. and Iqbal, M.Z., 1999. Dynamics of cave hydrology in eastern Iowa and southwestern Wisconsin. [abst.] Midwest Ground Water Conference, St. Paul, Minnesota, Oct. 13-15, 1999. Abstracts with Programs. p. 47.

Iqbal, M.Z., 1999. Nitrate flux from aquifer storage in excess of baseflow contribution during a rain event. [abst] American Geophysical Union Spring Meeting, Boston, Massachusetts, May 31-June 4, 1999, Abstract in supplement to EOS, April 27, 1999, p-S150.

Paseka, A.I., Iqbal, M.Z. and Walters, J.C., 1999. Comparison of numerical simulation of solute transport with observed experimental data in a silt loam subsoil. [abst] American Geophysical Union Spring Meeting, Boston, Massachusetts, May 31-June 4, 1999, Abstract in supplement to EOS, April 27, 1999, p-S151.

Atxotegi, U., Iqbal, M.Z. and Czarnetzki, A., 1999. Field methods to enhance degradation of nitrate in surficial soils. [abst] North-Central Regional Meeting, Geological Society of America, Champaign, Illinois, April 22-23, 1999, Abstracts with Programs. p-A2.

Loheide, S.P. and Iqbal, M.Z., 1998. Hydrogeologic flow in the Cedar Hills Sand Prairie, Black Hawk County, Iowa. [abst.] The Geological Society of America Annual Meeting, Toronto, Canada, October 26-29, 1998, Abstracts with Programs, 30(7), p. A-201.

Iqbal, M.Z., 1998. Use of fluorescent dye to investigate dual porosities in loam soils. [abst] International Association of Hydrogeologists/American Institute of Hydrology joint conference, Las Vegas, Nevada, Sept. 27 - Oct. 2, 1998. Program Abstracts, p. 37.

Iqbal, M.Z., 1998. Quantitative assessment of preferential pathways of contaminant transport in undisturbed soil columns. [abst] Iowa Academy of Science Annual Meeting, Mason City, Iowa, April 24 - 25, 1998. Program Abstracts, p. 24.

Loheide, S.P. and Iqbal, M.Z., 1998. The characteristics of the shallow groundwater flow in the Cedar Hills Sand Prairie. [abst.] Iowa Academy of Science Annual Meeting, Mason City, Iowa, April 24 - 25, 1998. Program Abstracts, p. 25.

Loheide, S.P. and Iqbal, M.Z., 1997. The hydrogeology of the Cedar Hills Sand Prairie in Iowa. [abst.] Symposium for Undergraduates in Science, Engineering and Mathematics, Argonne National Laboratory (ANL), Argonne, Illinois, Nov. 7-8, Program Abstracts in ANL Home Page.

Iqbal, M.Z., 1997. Storm-hydrograph separation of two contrasting stream channels in a watershed by using oxygen and deuterium isotopes. [abst.] The Geological Society of America Annual Meeting, Salt Lake City, Utah, October 20-23, 1997, Abstracts with Programs, 29(6), p. A-330.

Iqbal, M.Z., 1997. Use of Environmental Isotopes in Storm Runoff Analysis of the Cedar River, North-East Iowa. [abst.] Iowa Academy of Science Annual Meeting, Dubuque, Iowa, April 25 - 26, 1997. Program Abstracts, p. 34.

Krueger, G.W., Iqbal, M.Z. and Zeman, C.L., 1997. Abatement of Herbicide and Fertilizer Levels in Native and Non-Native Vegetative Filter Plots. [abst.] North-central Regional Meeting, Geological Society of America, Madison, Wisconsin, May 1-2, 1997, Abstracts with Programs.

Iqbal, M.Z., 1996. Variations in Tracer Mobilities Due to Vertical Soil Heterogeneities. [abst.] Midwest Ground Water Conference, Lexington, Kentucky, Sept. 29 - Oct.1, 1996. Abstracts with Programs. p. 50.

Krueger, G.W., Iqbal, M.Z. and Zeman, C.L., 1996. Reduction of Non-point Source Contaminants in Agricultural Runoff and Leachate in Native and Non-Native Grass Plots. [abst.] North-central Regional Meeting, Geological Society of America, Ames, Iowa, May 2-3, 1996, Abstracts with Programs. 28(6):50.

Iqbal, M.Z., 1996. Agricultural Pollution of Ground Water in the Cedar River Drainage Area of Northeastern Iowa. [abst.] North-eastern Regional Meeting, Geological Society of America, Buffalo, New York, March 21-23, Abstracts with Programs. 28(3)

Iqbal, M.Z., Krothe, N.C. and Spalding, R.F., 1994. A nitrogen isotope study to determine sources of nitrate in karst aquifers of southern Indiana. [abst.] Annual meeting, Geological Society of America, Seattle, Washington, October 24-27, Abstracts with Programs. 26(7):A321

Iqbal, M.Z. and Krothe, N.C., 1993. Landuse and climate-dependent variations in the annual cycle of nitrate sources in the karst aquifers of southern Indiana: [abst] Spring Meeting, American Geophysical Union, Baltimore, Maryland, May 24-28, EOS Transactions, American Geophysical Union, April 20, 1993/Supplement. 74(16):147.

Iqbal, M.Z. and Krothe, N.C., 1992. Infiltration mechanisms related to agricultural waste transport through the soil mantle to karst aquifers of southern Indiana. [abst.] Annual meeting , Geological Society of America, Cincinnati, Ohio, October 26-29, Abstracts with program. 24(7):A338.

Iqbal, M.Z., 1989. Groundwater Hydrology of Chippewa Creek Valley, Wayne and Medina counties, Ohio. [abst.] annual meeting, The Ohio Academy of Science, Perma, Ohio, April 28-30, The Ohio Journal of Science, April Program Abstracts. 89(2):10.