Dr. Gwen (G. L.) Macpherson
Associate Professor and Director, KU Plasma Analytical Laboratory
University of Kansas, Dept. of Geology
1475 Jayhawk Blvd., Room 120, Lindley Hall
Lawrence, KS 66045 USA
Personal web page (this one): www.people.ku.edu/~glmac
¥ research projects available from field- to laboratory- based, and all gradations between
¥ support (including summer) available through Research Assistantships or Teaching Assistantships
¥ opportunities for training and hands-on experience with laboratory and field equipment
Weathering and the consequences of
global climate change
on groundwater chemistry
in continental interior grasslands
¥ recent or current projects with other researchers
¥ Precambrian paleosols and oxygenation of the EarthÕs atmosphere
¥ diagenesis of hyaloclastites (primarily Dr. Tony Walton)
¥ dolomite precipitation (primarily Dr. Jen Roberts and students)
¥ REE in Fossil Bone (primarily Dr. Luis Gonzalez and student)
¥ past research projects
¥ geochemistry of sedimentary basin formation water
¥ low-temperature geothermal resources
¥ KU-Plasma Analytical Laboratory: ICP-MS (quadrupole), Laser ablation microprobe, ICP-OES, Class 100 clean areas in dedicated laboratory
¥ KU Aqueous Geochemistry Laboratory: Microdrill, ion chromatograph, UV-VIS spectrophotometer; Class 100 laminar flow hood; sub-boiling still; water distiller; water deionizer; pH, Eh, SC, DO, turbidity, T meters; pressure transducers and data loggers for continuous water-level monitoring; e-lines for instantaneous water-level measurement; Teflon bailers and surge pumps; flow-through cells and filtering equipment
¥ dedicated field laboratory van
¥ 35 wells and 100 soil lysimeters permanently installed at the Konza Prairie LTER Site
¥ access to facilities overseen by other faculty members in Geology (SIRMS, GC, TIMS) or on campus (environmental SEM)
¥ Department computers, PC and Macintosh platforms; in addition, I oversee operation of eight computers for running instruments or data processing
¥ GEOL 302 Oceanography (undergraduate)
¥ GEOL 753 Chemical Hydrogeology (graduate, undergraduate)
¥ GEOL 791 Analytical Techniques, ICP-MS, and LAM (graduate, undergraduate with permission)
¥ GEOL 791 Geochemical modeling (graduate)
¥ GEOL 752 Field Techniques, Hydrogeology (team taught)
¥ GEOL 552 Introduction to Hydrogeology (team taught)
Alan Wade, 1992, (co-supervised), Ground water flow systems and the water resources potential of the Dakota Aquifer in a two-county area in north-central Kansas: MS thesis.
Michael L. Pomes, 1995, (co-supervised), A study of the aquatic humic substances and hydrogeology in a prairie watershed: Use of humic material as a tracer of recharge through soils: Ph.D. dissertation, 296 pp.
Mary C. Bitney, 1995, non-thesis MS.
Martin Smith, 1995, (co-supervised), Hydrostratigraphic controls on ground-water flow and the distribution of chloride in the Upper Dakota aquifer of southwestern Ellis County, Kansas: MS thesis, 229 pp.
Edwin Lindgren, 1996, Aqueous geochemistry of the Tonganoxie Sandstone aquifer, Leavenworth County, Kansas: MS thesis, 135 pp.
David Streiler, The stratigraphic distribution of bromine in Upper Pennsylvanian cyclothems of the mid-continent.
Julie Grauer, 1998, non-thesis MS.
Jenney M. Hall, 1998, Nitrate in a confined, alluvial aquifer, Douglas County, Kansas,: MS thesis, 110 pp.
Jessica Kidwell, 1999, Nitrate distribution and reduction in a semi-confined alluvial aquifer; Geohydrologic Experimental and Monitoring Site (GEMS), Douglas County, Kansas,: MS thesis, 99 pp.
Liz McVay, 2000, Geomicrobial denitrifying and nitrifying characteristics of a nitrate-contaminated alluvial aquifer, northeastern Kansas: MS thesis, 116 pp.
Marcia Schulmeister, 2000, Hydrology and geochemistry of an alluvial aquifer near a floodplain margin: Ph. D. dissertation, 132 pp.
Kato Dee, 2001, Lead contamination and attenuation in a shallow monitoring well, Konza Prairie Long-Term Ecological Research site, Riley and Geary Counties, Kansas, 124 pp.
Heather Wood, 2001, Seasonality and rates of mineral weathering in karst aquifers at the Konza Prairie,: MS thesis, 114 pp.
Gabby Cohen Blair, GRA for 137Cs soil sampling project, 2001-2004.
Kimberly Kissing Beisner, URA for Konza LTER water project, 2003-2006; Honors in Geology, 2006.