Publications by faculty in the University of Iowa Department of Geography.
Submissions from 2006
The eruptive history of Turrialba volcano, Costa Rica, and potential hazards from future eruptions, Mark K. Reagan
Timescales of degassing and crystallization implied by (super 210) Po- (super 210) Pb- (super 226) Ra disequilibria for andesitic lavas erupted from Arenal Volcano; Arenal Volcano, Costa Rica; magma genesis and volcanological processes, Mark K. Reagan, F. J. Tepley, J. B. B. Gill, and M. Wortel
Closed- to open-system differentiation at Arenal Volcano (1968-2003); Arenal Volcano, Costa Rica; magma genesis and volcanological processes, Carrie H. Ryder, J. B. Gill, F. J. Tepley, and F. Ramos
Endogenous Fractal Dynamics at Alpine Treeline Ecotones, Yu Zeng and George P. Malanson
Submissions from 2005
A Manifesto on Mobile Computing in Geographic Education*, Marc P. Armstrong and David A. Bennett
An Agent-Based Simulation Of Yellowstone’s NorthernRange Elk Herd: A Cognitive Approach, David A. Bennett and W. Tang
The geomorphic influences of beaver dams and failures of beaver dams, David R. Butler and George P. Malanson
Carbon isotope ratios of tropical freshwater mollusk shells as indicators of ancient vegetation; reconstructing paleoenvironments at a Homo erectus locality in the Solo Basin, central Java, Indonesia; Geological Society of America, 2005 annual meeting, Scott J. Carpenter; E. Arthur,III Bettis; Adrianne K. Milius; and Russell L. Ciochon
Oxygen isotope constraints on the sources of Central American arc lavas, John M. Eiler, Michael A. J. Carr, Mark K. Reagan, and Edward Stolper
Carbon isotope record of Holocene bioclimatic change in alluvial fans of the upper Midwest, USA; Geological Society of America, 2005 annual meeting, Adel Haj; E. Arthur,III Bettis; Scott Carpenter; and Jeffrey A. Dorale
Using GIS-based ecological-economic modeling to evaluate policies affecting agricultural watersheds, Christopher L. Lant, Steven E. Kraft, Jeffrey Beaulieu, and David Bennett
Paleoenvironmental reconstruction during early to middle Pleistocene using stable carbon isotope studies, grain size analyses, and morphologic features of paleosols at a Homo erectus locality in the Solo Basin, central Java, Indonesia; Geological Society of America, North-Central Section, 39th annual meeting, Adrianne K. Milius; E. Arthur,III Bettis; and Scott J. J. Carpenter
Field-Based Geographic Education Using Mobile Computers, J. Mount, Marc P. Armstrong, and David Bennett
Rapid time scales of basalt to andesite differentiation at Anatahan volcano, Mariana Islands, Mark K. Reagan, Frank J. Tepley III, James B. Gill, and Matthew Wortel
Topographic shelter and conifer establishment and mortality in an alpine environment, Glacier National Park, Montana, Lynn Resler, David Butler, and George Malanson
Submissions from 2004
Directional positive feedback and pattern at an alpine tree line, Kathryn J. Alftine and George P. Malanson
Geostatistics and spatial analysis; characterizing form and pattern at the alpine treeline; Geographic information science and mountain geomorphology, Thomas Allen, Stephen P. Walsh, David Cairns, and Joseph Messina
Exploring the Geographic Consequences of Public Policies Using Evolutionary Algorithms, David A. Bennett, Ningchuan Xiao, and Marc Armstrong
Landscape development preceding Homo erectus immigration into Central Java, Indonesia: the Sangiran Formation Lower Lahar, E. Arthur Bettis, Yahdi Zaim, Roy R. Larick, and Russell L. L. Ciochon
Overlapping species boundaries and hybridization within the Montastraea 'Annularis' reef coral complex in the Pleistocene of the Bahama Islands, Ann F. Budd and J. M. Pandolfi
Turf-banked terrace treads and risers, turf exfoliation and possible relationships with advancing treeline, David Butler, George P. Malanson, and Lynn Resler
Measuring toxic emissions from landfills using sequential screening, Charles W. Emerson and Rangaswamy Rajagopal
Simulating the Development and Migration of the Monarch Butterfly, J. J. Fedderma, J Shields, O. Taylor, and David A. Bennett
Conventional taxonomy obscures deep divergence between Pacific and Atlantic corals, H. Fukami, Ann F. Budd, G. Paulay, and A. Sole-Cava
Geographic Differences in Species Boundaries among Members of the Montastraea annularis Complex Based on Molecular and Morphological Markers, Hironobu Fukami and Ann F. Budd
Use of X-radiographs to distinguish members of the Montastraea annularis reef-coral species complex, M. Holcomb, J. M. Pandolfi, I. G. Macintyre, and Ann F. Budd
Evidence for late Holocene eolian sand reactivation in the Green River lowland, northwestern Illinois; regional response to drought and potential implications; Geological Society of America, 2004 annual meeting, Joseph R. Krieg; E. Arthur,III Bettis; and Steven L. Forman
The biodiversity crisis., J. A. Kupfer and George P. Malanson
Ecological response to global climatic change, George P. Malanson, D. R. Butler, and S. Walsh
Identifying the Biodiversity Research Needs Related to Forest Fragmentation, George P. Malanson, John A. Kupfer, and Scott B. Franklin
Uncovering Spatial Feedbacks At Alpine Treeline Using Spatial Metrics In Evolutionary Simulations, George P. Malanson and Y. Zeng
Soil chemical weathering under prairie in Late Quaternary loess in the Mississippi Valley and Great Plains; AMQUA 2004; American Quaternary Association Program and abstracts of the 18th biennial meeting; Quaternary grassland-forest dynamics, Daniel R. Muhs and E. Arthur,III Bettis
Addressing Externalities From Swine Production to Reduce Public Health and Environmental Impacts, David Osterberg and David Wallinga
An Assessment of Snow Avalanche Paths and Forest Dynamics Using Ikonos Satellite Data, S. J. Walsh, D. J. Weiss, D. Butler, and George P. Malanson
Submissions from 2003
Feedback-Driven Response to Multidecadal Climatic Variability at an Alpine Treeline, Kathryn Alftine, George P. Malanson, and Daniel Fagre
Using Genetic Algorithms to Create Multicriteria Class Intervals for Choropleth Maps, Marc P. Armstrong, Ningchuan Xiao, and David Bennett
Patterns in Holocene colluvium and alluvial fans across the prairie-forest transition in the Midcontinent USA; Geoarchaeology of alluvial fans and colluvial deposits, E. Arthur,III Bettis
Last Glacial loess in the conterminous USA, E. J. Bettis, Daniel R. Muhs, Helen M. Roberts, and Ann G. Wintle
Overlapping species boundaries and hybridization within the Montastraea “annularis†reef coral complex in the Pleistocene of the Bahama Islands, Ann F. Budd and John M. Pandolfi
Lithologic, structural, and geomorphic controls on ribbon forest patterns in a glaciated mountain environment, David Butler, George P. Malanson, Matthew Bekker, and Lynn Resler
Introduction to the special issue: mountain geomorphology--integrating earth systems, David R. Butler, Stephen J. Walsh, and George Malanson
Comparison of Caribbean Coral Reef Communities before and after Plio-Pleistocene Faunal Turnover: Analyses of Two Dominican Republic Reef Sequences, James S. Klaus and Ann F. Budd
The taxonomic status of Porites sverdrupi, an endemic coral of the Gulf of California, R. A. Lopez-Perez, H. Reyes-Bonilla, Ann F. Budd, and F. Correa-Sandoval
Dispersal across continuous and binary representations of landscapes, George P. Malanson
Characteristics of the Severance Formation; a new late Quaternary lithostratigraphic unit in the eastern plains of North America; Geological Society of America, North-Central Section, 37th annual meeting, Rolfe D. Mandel and E. Arthur,III Bettis
Hornblende stratigraphy surrounding Homo erectus in central Java, Indonesia; Geological Society of America, North-Central Section, 37th annual meeting, Emily M. Miller; Mark Reagan; Russell L. Ciochon; and E. Arthur,III Bettis
Stratigraphy and palaeoclimatic significance of late Quaternary loess-Palaeosol sequences of the last interglacial-glacial cycle in central Alaska; Loess, and the Dust Indicators and Records of Terrestrial and Marine Palaeoenvironments (DIRTMAP) database, Daniel R. Muhs; Thomas A. Ager; E. Arthur,III Bettis; and John P. P. McGeehin
Quaternary loess-Paleosol sequences as examples of climate-driven sedimentary extremes; Extreme depositional environments; mega end members in geologic time, Daniel R. Muhs and E. Arthur,III Bettis
Unprecedented last-glacial mass accumulation rates determined by luminescence dating of loess from western Nebraska, Helen M. Roberts, Daniel R. Muhs, Ann G. Wintle, and Geoff A. T. A. Duller
Agent-based modelling environment for spatial decision support, Raja R. Sengupta and David A. Bennett
Mapping, modeling, and visualization of the influences of geomorphic processes on the alpine treeline ecotone, Glacier National Park, MT, USA, Stephen Walsh, David Butler, George Malanson, and Kelley Crews-Meyer
Submissions from 2002
Holocene paleoenvironments in southeastern Minnesota – chasing the prairie-forest ecotone, Richard G. Baker, E.Arthur Bettis, R. Denniston, and L. A. Gonzalez
Depositional and environmental context for Homo erectus into the Solo Basin, central Java, Indonesia; Geological Society of America, 2002 annual meeting, E. Arthur Bettis, Russell L. L. Ciochon, Roy Larick, and Yahdi Ziam
Late-glacial loess, paleoenvironment and people in the North American Mid-Continent; Environmental change and human migrations in the North Pacific Basin, E. Arthur,III Bettis
The effects of temporal and spatial patterns of Holocene erosion and alluviation on the archaeological record of the Central and Eastern Great Plains, U.S.A., E. Arthur Bettis and Rolfe D. D. Mandel
Geomorphic and biogeographic setting of the Rocky Mountains; Rocky Mountain futures; an ecological perspective, David Cairns, David Butler, and George Malanson
Incipient speciation across a depth gradient in a scleractinian coral?, D. B. Carlon and Ann F. Budd
Multiple subduction components in the mantle wedge; evidence from eruptive centers in the central Southern volcanic zone, Chile, Rosemary Hickey-Vargas, Murong Sun, Leopoldo Lopez-Escobar, and Hugo Moreno-Roa
The age and paleoclimatic significance of eolian sand within the Green River lowland, northwestern Illinois; Environmental change and human migrations in the North Pacific Basin, Joseph R. Krieg; E. Arthur,III Bettis; Steven L. Forman; and Daniel R. R. Muhs
Extinction-Debt Trajectories and Spatial Patterns of Habitat Destruction, George P. Malanson
Habitats, hierarchical scales, and nonlinearities: an ecological perspective on linking household and remotely sensed data on land-use/cover change, George P. Malanson
Spatial Representations of Habitat in Competition-Colonization Models, George P. Malanson
The Western Cordillera; The physical geography of North America, George P. Malanson and David Butler
Variability in an edaphic indicator in alpine tundra, George P. Malanson, D. R. Butler, D. Cairns, and T. E. Welsh
Character Release Following Extinction in a Caribbean Reef Coral Species Complex, John M. Pandolfi, Catherine E. Lovelock, and Ann F. Budd
Determination of dust flux records in Mid-continental North America using optical dating; Environmental change and human migrations in the North Pacific Basin, Helen M. Roberts, Daniel R. Muhs, Geoff A. Duller, and Ann G. Wintle
Position of the Matuyama-Brunhes paleomagnetic datum within the pre-Illinoian Alburnett Formation, eastern Iowa; Geological Society of America, Southeastern Section, 51st annual meeting; Geological Society of America, North-Central Section, 36th annual meeting, Charles W. Rovey; E. Arthur,III Bettis; and William F. F. Kean
The role of basalt replenishment in the generation of basaltic andesites of the ongoing activity at Arenal Volcano, Costa Rica; evidence from clinopyroxene and spinel, Martin J. Streck, Michael A. Dungan, E. Malavassi, and Mark K. Reagan
(231Pa/235U)-(230Th/238U) of young mafic volcanic rocks from Nicaragua and Costa Rica and the influence of flux melting on U-series systematics of arc lavas, Rebecca B. Thomas, Marc M. Hirschmann, Hai Cheng, and Mark K. Reagan
Using Grid-Enabled Teleimmersive Spatial Decision Support Systems (TIDSS) to Visualize Uncertainty for Water Quality Protection in Agroecosystems, S. Wang, David A. Bennett, Marc Armstrong, and R. Rajagopal
Using evolutionary algorithms to generate alternatives for multiobjective site-search problems, Ningchuan Xiao, David A. Bennett, and Marc Armstrong
SISM: a Multiscale Model for Cypress Swamp Regeneration, Ningchuan Xiao, David A. Bennett, Beth Middleton, and Keith Fessel
Submissions from 2001
Plant remains, alluvial chronology, and cave speleothem isotopes indicate abrupt Holocene climatic change at 6 ka in midwestern USA, Richard G. Baker; E. Arthur,III Bettis; R. F. Denniston; and l. A. Gonzalez
Coastline complexity: a parameter for functional classification of coastal environments, J. D. Bartley, R. W. Buddemeier, and David Bennett
Evaluating Nonpoint Pollution Policy Using a Tightly Coupled Spatial Decision Support System, David A. BENNETT and Andrew J. Vitale
The nature of the Pleistocene/Holocene transition in the upper Midwest, USA; geoarchaeological implications; Geological Society of America, 2001 annual meeting, E. Arthur,III Bettis
Morphology and evolution of the late Cenozoic marine biota of tropical America, Ann F. Budd
The Neogene Marine Biota of Tropical America ("NIMITA") Database: Accounting for Biodiversity in Paleontology, Ann F. Budd, Charles T. Foster, John P. Dawson, and Kenneth G. Johnson
The Origin and Early Evolution of the Montastraea "annularis" Species Complex (Anthozoa: Scleractinia), Ann F. Budd and James S. Klaus
Observation of the geology and geomorphology of the 1999 Marsokhod test site, R. A. De Hon; N. G. Barlow; Mark K. Reagan; and E A,,III Bettis
Accelerated Pleistocene coral extinctions in the Caribbean Basin shown by uranium-lead (U-Pb) dating, S. R. Getty, Y. Asmerom, T. M. Quinn, and Ann F. Budd
Geological analysis of the Silver Lake Marsokhod field test from ground-truth sampling and mapping; The Marsokhod Silver Lake field experiment, Edmond A. Grin; Mark K. Reagan; Natalie A. Cabrol; and E. Arthur,III Bettis
Late glacial paleowind directions as inferred from sand dunes within the Green River lowland, north-central Illinois; a test case for atmospheric general circulation models (AGCMs); Geological Society of America, 2001 annual meeting, Joseph R. Krieg, E. Arthur Bettis, and Steven L. Forman
Land-Use Dynamics in a Southern Illinois (USA) Watershed, CHRISTOPHER LANT, TIMOTHY LOFTUS, STEVEN KRAFT, and David A. Bennett
Use and analysis of soils by archaeologists and geoscientists; a North American perspective, Rolfe D. Mandel and E Arthur,I.,II Bettis
Geologic mapping in glaciated areas; using landform sediment assemblages to map the Des Moines Lobe in Iowa; Geological Society of America, North-Central Section, 35th annual meeting, Deborah J. Quade, E. Arthur Bettis, and James D. Giglierano
Analysis of science team activities during the 1999 Marsokhod Rover field experiment; implications for automated planetary surface exploration; The Marsokhod Silver Lake field experiment, Geb Thomas; Mark Reagan; E. Arthur,III Bettis; and Nathalie Cabrol
Submissions from 2000
Ecological-Economic Modeling on a Watershed Basis: Lessons From the Cache River of Southern Illinois, Jeffrey Beaulieu, David A. Bennett, and Steven Kraft
Solving spatio-temporal optimization problems with genetic algorithms: A case study of a bald cypress seed dispersal and establishment model, David A. Bennett
Spatial and temporal patterns of Midcontinent USA colluvial landscapes during the Holocene; interpreting the archaeological record; Geological Society of America, 2000 annual meeting, E. Arthur,III Bettis
Documenting faunal turnover of Caribbean coral reefs; the Neogene marine biota of tropical America (NMITA) database; Geological Society of America, 2000 annual meeting, Ann F. Budd, Charles T. Foster, J. D. Dawson, and K. G. Johnson
Speleothem carbon isotopic records of Holocene environments in the Ozark Highlands, USA; Holocene environmental change on the Great Plains of North America, Rhawn F. Denniston, Luis A. Gonzalez, Yemane Asmerom, and Mark K. Reagan
Speleothem evidence for changes in Indian summer monsoon precipitation over the last approximately 2300 years, Rhawn F. Denniston, Luis A. Gonzalez, Yemane Asmerom, and Ram H. Sharma
Mineralogic and stable isotopic characteristics of select Great Basin speleothems, Rhawn F. Denniston, Luis A. Gonzalez, and Mark K. Reagan
Holocene environments of the central Great Plains: multi-proxy evidence from alluvial sequences, southeastern Nebraska, Richard G. Baker, Glen G. Fredlund, Rolfe D. Mandel, and E. A. Bettis
Holocene evolution of the Erickson Creek basin, Story County, Iowa; Geological Society of America, 2000 annual meeting, Joseph R. Krieg; E. Arthur,III Bettis; and Richard G. Baker
Geochemical variations in Peoria Loess of western Iowa indicate paleowinds of midcontinental North America during last glaciation, Daniel R. Muhs and E. Arthur,III Bettis
Evaluating the Impact of Policy-Induced Land Use Management Practices on Non-Point Source Pollution Using a Spatial Decision Support System, Raja Sengupta, David A. Bennett, Jeffrey Beaulieu, and Steven E. Kraft
Desire Lines: The Chicago Area Transportation Study and the Paradox of Self in Post-War America. Literary and Visual Representations of Three American Cities, Desire Lines: The Chicago Area Transportation Study and the Paradox of Self in Post-War America. Literary and Visual Representations of Three American Cities, 1870s to 1930., James Throgmorton and Barbara Eckstein
Submissions from 1999
Geographical modeling in heterogeneous computing environments, David A. Bennett, G. A. Wade, and R. Sengupta