Department Personnel

Wei Luo

   Wei Luo     

       wluo@niu.edu 

 

Publications, Grants and Presentations


 




Recent Refereed Journal Articles

Luo, W., X. Li, L. Di, T. Stepinski, 2013, “Webservice for Stream Extraction from Digital Elevation Model data,” GeoJournal, doi:10.1007/s10708-013-9502-1, published online 9/15/2013.

Luo, W., and T. F. Stepinski, 2012, “Orientation of valley networks on Mars: The role of impact cratering,” Geophysical Research Letters, v. 39, L24201, doi:10.1029/2012GL054087.

Luo, W., T. Whippo, 2012, "Variable catchment sizes for the two-step floating catchment area (2SFCA) method,," Health & Place, v. 18, p. 789–795, doi:10.1016/j.healthplace.2012.04.002.

Luo, W., D.T. Pederson, 2012, Hydraulic conductivity of the High Plains Aquifer re-evaluated using surface drainage patterns, Geophysical Research Letters, v. 39, L02402, doi:10.1029/2011GL050200. Refereed.

Wang, F., Wang, G.,  Hartmann, J., Luo, W., 2011, "Sinification of Zhuang place names in Guangxi, China: a GIS-based spatial analysis approach", Transactions of the Institute of British Geographers, doi: 10.1111/j.1475-5661.2011.00471.x. Refereed. 

Luo, W., B. Grudzinski, and D. Pederson, 2011, “Estimating hydraulic conductivity for the Martian subsurface based on drainage patterns — A case study in the Mare Tyrrhenum Quadrangle,” Geomorphology, doi:10.1016/j.geomorph.2010.10.018. (PDF)

Luo, W., B. Grudzinski, and D. Pederson, 2010, “Estimating hydraulic conductivity from drainage patterns derived from a DEM - A case study in the Oregon Cascades,” Geology, v. 38, n. 4, p. 335–338, doi: 10.1130/G30816.1 (full paper link).

Luo, W., F. Wang,, J. Hartmann, 2010, "Terrain characteristics and Tai toponyms: a GIS analysis od Muang, Chain and Viang," GeoJournal, v. 75, p. 93–104, DOI 10.1007/s10708-009-9291-8.  (PDF)

Luo, W., and T. F. Stepinski, 2009, Computer-generated global map of valley networks on Mars, Journal of Geophysical Research, 114, E11010, doi:10.1029/2009JE003357. (PDF)

Luo, W. and Y. Qi, 2009, “An enhanced two-step floating catchment area (E2SFCA) method for measuring spatial accessibility to primary care physicians,” Health & Place, v. 15, p. 1100–1107, doi:10.1016/j.healthplace.2009.06.002. (PDF)

Luo, W. and T. F. Stepinski, 2008, “Identification of geologic contrasts from landscape dissection pattern: An application to Cascade Range, Oregon,” Geomorphology. v. 99, p. 90-98, 10.1016/j.geomorph.2007.10.014. (PDF)

Luo, W., and A. D. Howard, 2008, "Computer simulation of the role of groundwater seepage in forming Martian valley networks," Journal of Geophysical Research, v. 113, E05002, doi:10.1029/2007JE002981. (PDF)

Kitts, K., W. Luo, W.C. Hung, 2008, "Did it ever rain on Mars? A Professional Development Opportunity for Teachers and an Actual NASA Research Opportunity for Middle and High School Students," The Earth Scientist, v. 27,  n. 2, p. 17-20.

Luo, W., “Just-in-Time-Teaching (JiTT) Improves Students’ Performance in Classes - Adaptation of JiTT in 4 Geography Courses,” Journal of Geoscience Education, v. 56, n.2, p. 166-172. (PDF)

Luo, W. and M. Konen, 2007, “New results from Using a Web-based Interactive Landform Simulation Model (WILSIM) in a General Education Physical Geography Course,” Journal of Geoscience Education, v. 55, n5, n.5, p. 423-425 (PDF).

Luo, W., J. Hartmann, P. Huang, J. Liu, 2007, “Geographic patterns of Zhuang (Tai) kinship terms in Guangxi and border areas: a GIS analysis of language and culture change,” Social and Cultural Geography, v. 8, n. 4, p. 575-596. (PDF)

Wang, F., J.H. Hartmann, W. Luo, P. Huang, “GIS-based Spatial Analysis of Tai Place Names in Southern China: An Exploratory Study of Methodology,” Geographic Information Sciences, v. 12, n. 1, p. 1-9. (PDF)

Luo, W., and T. F. Stepinski (2006), “Topographically derived maps of valley networks and drainage density in the Mare Tyrrhenum quadrangle on Mars,” Geophysical Research Letters, 33, L18202, doi:10.1029/2006GL027346. (PDF)

Luo, W., Peronja, E., Duffin, K., Stravers, A. J., 2006, Incorporating Nonlinear Rules in a Web-based Interactive Landform Simulation Model (WILSIM), Computers and Geosciences, v. 32, n. 9, p. 1512-1518 (doi: 10.1016/j.cageo.2005.12.012). (PDF)

Luo, W., and A. D. Howard, 2005, “Morphometric Analysis of Martian Valley Network Basins Using a Circularity Function”, Journal of Geophysical Research, v. 110, E12S13, doi:10.1029/2005JE002506. (PDF).

Luo, W., Stravers, J., and K. Duffin, 2005, “Lessons Learned from Using a Web-based Interactive Landform Simulation Model (WILSIM) in a General Education Physical Geography Course,” Journal of Geoscience Education, v. 53, n. 5, p. 489-493. (PDF).

Wang, F. and W. Luo, 2005, “Assessing spatial and nonspatial factors for healthcare access: towards an integrated approach to defining health professional shortage areas,” Health and Place, v. 11, n. 2, p. 131-146 (doi:10.1016/j.healthplace.2004.02.003). (PDF 

Luo, W., F. Wang, and C. Douglass, 2004, “Temporal Changes of Access to Primary Health Care in Illinois (1990-2000) and Policy Implications,” Journal of Medical Systems. v. 28, n. 3, p. 287-299. (PDF 

Luo, W., K.L. Duffin, E. Peronja, J.A. Stravers, and G.M. Henry, 2004, “A Web-based Interactive Landform Simulation Model (WILSIM),” Computers and Geosciences. v. 30, n. 3, p. 215-220. (scanned PDF)

Luo, W., 2004, “Using a GIS-based Floating Catchment Method to Assess Areas with Shortage of Physicians,” Health and Place, v. 10, n. 1, p. 1-11. (PDF)

Luo, W. and F. Wang, 2003, “Measures of spatial accessibility to health care in a GIS Environment: synthesis and a case study in the Chicago region,” Environment and Planning B: Planning and Design 2003, v. 30, n .6, p. 865 – 884. (PDF)

Luo, W. and J.M. Harlin, 2003, “A Theoretical Travel Time based on Watershed Hypsometry,” Journal of American Water Resources Association, v.39, n. 4, 785-792. (PDF)

Luo, W., 2002, “Hypsometric Analysis of Margaritifer Sinus and Origin of Valley Networks,” Journal of Geophysical Research – Planets, v. 107, n. 10, p. 1-1~1-10, doi:10.1029/2001JE001500. (PDF)

Luo, W., 2001, “LANDSAP: A Coupled Surface and Subsurface Cellular Automata Model for Landform Simulation,” Computers and Geosciences, v. 27, n.3, 363-367. (PDF)

Luo W., J.F. Hartmann, J. Li, and V. Sysamouth, 2000, “GIS Mapping and Analysis of Tai Linguistic and Settlement Pattern of Southern China,” Geographic Information Sciences, v. 6, n. 2, p. 129-136. (PDF)

Harlin, J. and W. Luo, 2000, “Predicting Time to Hydrograph Peak from Basin Energy Potential: A Hypsometric Approach,” Papers and Proceedings of the Applied Geography Conferences, v. 23: p. 224-229.

Luo, W., 2000, “Quantifying groundwater-sapping landforms with a hypsometric technique,” Journal of Geophysical Research - Planets, v. 105, n. 1, p. 1685-1694. (PDF)

Luo, W., 1998, “The Automation of Hypsometric Analysis with a Geographic Information System (GIS),” Computers and Geosciences, v. 24, n.8, p. 815-821. 

Luo, W., R.E. Arvidson, M. Sultan, R. Becker, M.K. Crombie, N. Sturchio, Z.E. Alfy, 1997, “Ground-water sapping processes, Western Desert, Egypt,” Geological Society of America Bulletin, January, v. 109, n. 1, p. 43-62.  (PDF)

Arvidson, R.E., R. Becker, A. Shanabrook, W. Luo, N. Sturchio, M. Sultan, Z. Lofty, A.M. Mahmoud and Z.E. Alfy, 1994, “Climatic, eustatic, and tectonic controls on Quaternary deposits and landforms, Red Sea coast, Egypt,” Journal of Geophysical Research – Solid Earth, v. 99, n. 6,  p. 12175-12190.  (PDF)

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Refereed Book Chapters

Hartmann, J.F., W. Luo, and V. Sysamouth, 2010, "Tai Participation in the Spread of Rice Agriculture in Asia," in Rice Origin, Antiquity and History, edited by S. D. Sharma, CRC press, 580p.

Luo, W. and F. Wang, 2003, “Spatial Accessibility to Primary Care and Physician Shortage Area Designation:  A Case Study in Illinois with GIS Approaches,” in Geographic Information Systems & Health Applications, edited by R. Skinner and O. Khan., Idea Group Publishing, Hershey, PA, pp 260-278.

Wang, F. and W. Luo, 2005, “GIS-Based Accessibility Measures and Application,” in Encyclopedia of Information Science and Technology, edited by M. Khosrow-Pour, Idea Group Reference, Hershey, PA, p. 1284-1287.

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Funded Research Projects (bold dates indicate active grants)

06/13 –  05/16 PI (with collaborators Alan D. Howard, U of Virginia, Joon Heo, Yonsei U, Korea), Estimating Global Volume of Excavation by Fluvial Processes on Mars: Inferring Volume of Water and Its Implications, NASA – Mars Data Analysis Program (MDAP) (grant #NNX13AK65G, $290,950) 

08/12 –  08/15 PI (with Co-I Jon Pelletier at University of Arizona), WILSIM2, The Next Generation Landform Simulator, NSF – Transforming Undergraduate Education in Science, Technology, Engineering and Mathematics Program (TUES) (award # DUE-1140375, $236,031, NIU portion)

05/11 –  05/12 Co-PI (with PI Wei-chen Hung, College of Education) Integrating metacognitive prompts and scientific inquiry model to cultivate collaborative problem solving skills in physical geography, Summer Research & Artistry Opportunity Grants

2011 – 2012 Collaborator (with PI Cheng-chien Liu, National Cheng-Kung University, Tainan, Taiwan), Application of satellite imagery to islandwide landslide interpretation and disaster analysis, Forestry Bureau, Council of Agriculture, The Executive Yuan of the Republic of China  
   
2011 – 2014 Collaborator (with PI Joon Heo, Yonsei University, Seoul,  Korea),  Development of water level detection technique for inaccessible area using NASA GRACE, Envisat Altimeter and SAR data, Ministry of Education, Science, and Technology (MEST), South Korea

Spring 2011 PI, "Can lowering a dam relieve flooding? - Developing a service learning component in GEOG 492 Hydrology," CIUE Instructional Research and Improvement Grant.

05/08 – 05/12  PI (with Co-I Tomasz Stepinski at Lunar and Planetary Inst.), Global GIS Database of Drainage on Mars, NASA  –  Mars Data Analysis Program

09/06 – 02/11  Co-PI (with PI John F. Hartmann and Co-PI Fahui Wang), A Regional Approach to Spatial Analysis of Tai Toponyms in Southern China and Southeast Asia Using GIS, NSF  –  Human and Social Dynamics

02/04 – 01/09  Co-PI (with PI Liping Di at George Mason Univ.), Mobilization of NASA EOS Data and Information through Web Services and Knowledge Management Technologies for Higher Education Teaching and Research, NASA – Earth Science REASoN: Research, Education and Applications Solutions Network: A Distributed Network of Data and Information Providers for Earth Science Enterprise Science, Applications and Education

05/05 – 05/08  PI (with Co-I Kathy Kitts), MARS Valley Networks Project:  Martian Valley Network Analysis Run-off or Sapping? NASA – Education and Public Outreach (E/PO) program

05/04 – 05/08  PI (with Collaborators Alan Howard at Univ. of Virginia and Ray Arvidson at Washington Univ.), Comprehensive Morphometric Analysis of Martian Valley Network Basins: Evaluating Relative Role of Groundwater Sapping vs. Surface Runoff, NASA  –  Mars Data Analysis Program

03/02 – 02/04  Principal Investigator (with Kirk Duffin and Jay Stravers), “Web-Based Interactive Simulation of Landform Evolution,” Course, Curriculum and Laboratory Improvement (CCLI) program, National Science Foundation

09/01 – 08/03  Principal Investigator (with Fahui Wang and Carolinda Douglas), “Primary Care Physician Shortage & Spatial Accessibility,” Agency for Healthcare Research and Quality (AHRQ), Department of Health and Human Services 

06/00 – 05/01  Principal Investigator, “Physician Shortage Area and Health Care Accessibility: A GIS approach,” NIU-Social Science Research Institute, Faculty Fellowship for 2000-2001

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Presentations / Poster Sessions

(*indicates presenter, undersline indicates student author)

*Luo, W., K. Allred, Using Hypsometric Attributes to Quantify Glacial Landscape Orientation of valley networks on Mars - the role of impact cratering, The 21st International Conference on Geoinformatics, Kaifeng, China, June 20-22, 2013.

*Luo, W., J. Pelletier, K. Duffin, C. Ormand, W.C. Hung, E. Iverson, D. Shernoff, X. Zhai, A. Chowdary, WILSIM2 – the next generation terrain simulator, Association of American Geographers Annual Meeting, Los Angeles, April 9-13, 2013.

*Luo, W., T. Stepinski, Orientation of valley networks on Mars - the role of impact cratering, Association of American Geographers, West Lakes - East Lakes joint regional meeting, DeKalb, IL, October 25-27, 2012.

Jung, J.H., C.J. Kim, J. Heo,*W. Luo, Estimating volume of Martian valleys using Axelsson algorithm, 43rd Lunar and Planetary Science Conference, the Woodlands, TX, March 19-23, 2012.

*Luo, W., D. Pederson, High Plains Aquifer and a New Method for Estimating its Hydraulic Conductivity, Illinois Lake Management Association annual meeting, DeKalb, IL, March 1-2, 2012.

Luo, W., D. Pederson, High Plains Aquifer as Megafans? - Perspective from Spatial Distribution of Hydraulic Conductivity, AGU fall meeting, San Francisco, CA, December 6-10, 2011.

Luo, W., T. Stepinski, Flow-length difference as a measure of topographic roughness/incision, Geomorphometry 2011, Redlands, CA, September 7-11, 2011.

Luo, W., T. Whipple, Variable Catchment Size for Two-step Floating Catchment Area (2SFCA) Method, 19th International Conference on Geoinformatics, Shanghai, China, June 24-26, 2011.

Luo, W., A. D. Howard and J. Trischan, Estimating Incision Depth of Martian Valleys from DEM Data, 19th International Conference on Geoinformatics, Shanghai, China, June 24-26, 2011.

Luo, W., A. D. Howard and J. Trischan, Estimating incision depth in Martian valleys: comparing two methods, 42nd Lunar and Planetary Science Conference, the Woodlands, TX, March 7-11, 2011.

Allred, K., W. Luo, and M. Konen, Elongation analysis From Prevailing Winds of Glacial Landforms in Northern Illinois, 42nd Lunar and Planetary Science Conference, the Woodlands, TX, March 7-11, 2011.

Stepinski, T. F. and W. Luo, On orientations of martian valley networks, 42nd Lunar and Planetary Science Conference, the Woodlands, TX, March 7-11, 2011.

Grudzinski, B., W. Luo, D. Pederson, Estimating hydraulic conductivity from drainage patterns- a comparison case study in the Cascade Range, Oregon and the Mare Tyrrhenum Quadrangle on Mars, Geological Society of America Annual Meeting, Denver, CO, October 31- November 3, 2010.
 
Luo, W., B. Grudzinski, D. Pederson, Estimating Hydraulic Conductivity for the Martian Subsurface Based on Drainage Patterns – A Case Study in the Mare Tyrrhenum Quadrangle, 41st Binghamton Geomorphology Symposium, Columbia, SC, October 15-17.

Grudzinski, B., W. Luo, D. Pederson, Estimating hydraulic conductivity from drainage patterns- a comparison case study in the Cascade Range, Oregon and the Mare Tyrrhenum Quadrangle on Mars, AAG Great Plains/Rocky Mountain Division Regional Meeting, Lawrence, KS, October 8-9, 2010.

Luo, W. and T. F. Stepinski,  Global pattern of dissection on mars and the northern ocean hypothesis, American Geophysical Union 2010 Western Pacific Geophysics Meeting, Taipei, Taiwan, June 22-25, 2010.

Luo, W. and T.F. Stepinski, GIS Application in Planetary Research - a case study of mapping global valley networks on Mars, the 18th International Conference on Geoinformatics, Beijing, China, June 18-20, 2010.

Stepinski, T.F. and W. Luo, Global pattern of dissection on mars and the northern ocean hypothesis, 41th Lunar and Planetary Science Conference, The Woodlands, Texas, March 1-5, 2010.

Grudzinski, B. P. and W. Luo, Estimating hydraulic conductivity from drainage patterns derived from a DEM – A case study in the Mare Tyrrhenum quadrangle on Mars, 41th Lunar and Planetary Science Conference, The Woodlands, Texas, March 1-5, 2010.

Luo, W., B. Grudzinski, and D. Pederson, Estimating hydraulic conductivity from drainage patterns derived from a DEM - A case study in the Oregon Cascades, 2009 Geological Society of America Annual Meeting, Portland, Oregon, October 18-21, 2009.

Luo, W. and T. Stepinski, Extracting Streams from DEM using Terrain Openness, 2009 Geological Society of America Annual Meeting, Portland, Oregon, October 18-21, 2009.

Trischan, J. and W. Luo, Estimating the Volume of Excavation of Martian Valley Networks, Illinois GIS Association 2009 Fall Conference, Naperville, IL, October 5-6, 2009.

Friedrichova, M. and W. Luo, Creating customized Google map: Case study for Tai Toponyms in Southern China and Thailand,  Illinois GIS Association 2009 Fall Conference, Naperville, IL, October 5-6, 2009.

Luo, W., X. Li, L. Di, T. Stepinski, Web Service for Extracting Terrain Openness  from DEM Data, the 17th International Conference on Geoinformatics, Fairfax, Virginia, August 12-14, 2009.

Luo, W., and T. F. Stepinski, Comparing Dissection Patterns of Mars and Earth: Paleoclimate Implications, Second Workshop on Mars Valley Networks, Moab, Utah, October 19-24, 2008

Stepinski, T.F. and W. Luo, Computer Mapping of Valley Networks on Mars: An Overview of Methods and Challenges, Second Workshop on Mars Valley Networks, Moab, Utah, October 19-24, 2008

Stepinski. T.F. and W. Luo, Global-Scale Comparative Geomorphology Using Computer-Generated Physiographic Maps, Geological Society of America, Houston, TX, October 5-9.

Luo, W., J. Hartmann, F. Wang, “Analyzing Tai Toponym Patterns with Spatial Data Mining Techniques,” Association of American Geographers (AAG), Boston, MA, April 15-19, 2008.

Luo, W., X. Li, L. Di, T. Stepinski, “Webservice for Stream Extraction from Digital Elevation Model data,” Geoinformatics 2008, Guangzhou, China, June 28- 29, 2008.

Luo, W., T. Stepinski., “Identification of Geologic Contrasts from Landscape Dissection Pattern: an Application to Cascade Range, Oregon,” American Geophysical Union (AGU) Fall Meeing, San Francisco, December 10-14, 2007

Luo, W., J. Hartmann, F. Wang, “Terrain Characteristics and Tai place names – A GIS Analysis,” Geoinformatics 2007, Nanjing, China, May 25th ~ 27th, 2007.

Luo, W., J. Hartmann, F. Wang, “Terrain Characteristics and Tai place names – A GIS Analysis,” The 5th Taipei International Digital Earth Symposium (TIDES 2007), Taipei, Taiwan, May 15th ~ 18th, 2007.

Luo, W., T. Stepinski, Y. Qi, “Drainage Density and Controlling Factors in Cascade Range, Oregon, USA,” Geoinformatics 2007, Nanjing, China, May 25th ~ 27th, 2007.

Luo, W., A. D. Howard, “Computer Simulation of Groundwater Seepage Weathering in Forming Martian Valley Networks,” 38th Lunar and Planetary Science Conference, League City, Texas, March 12-16, 2007.

Stepinski, T. F., W. Luo, Y. Qi, Precision Mapping of Valley Networks in Margaritifer Sinus, Mars. 38th Lunar and Planetary Science Conference, League City, Texas, March 12-16, 2007.

Luo, W., K. Kitts, P. Young, R. Schwantes, W.C. Hung, “MARS Valley Networks Project:  Martian Valley Network Analysis Run-off or Sapping? - A WebGIS approach,” American Geophysical Union 2006 Fall meeting, San Francisco, CA, December 11-15, 2006

Luo, W., and T. F. Stepinski, 2006, “Topographically derived maps of valley networks and drainage density in the Mare Tyrrhenum quadrangle on Mars,” American Geophysical Union 2006 Fall meeting, San Francisco, CA, December 11-15, 2006
 
Luo, W., A.D. Howard, “Using computer simulation to understand the Martian valley network formation and modification processes and resulting basin morphometric characteristics,” presented at Committee on Space Research 36th COSPAR Scientific Assembly, Beijing, China, 16 – 23 July 2006

Luo, W., F. Wang,, J. Hartmann, “Terrain Characteristics of Watershed Basins Containing Tai Place Names (Using the Term Muang as an Example),” presented at AAG 2006 Annual Meeting, March 7-11, 2006, Chicago, IL.

Luo, W., A. D. Howard, “Quantitative Morphometric Analysis of Simulated Martian Landforms at Watershed Basin Scale,” presented at the 37th Lunar and Planetary Science Conference, March 13–17, 2006, Houston, TX.

Luo, W., J. Hartmann, P. Huang, J. Liu, “Geographic Patterns of Zhuang [Tai] Kinship Terms in Guangxi and Border Areas: A GIS Analysis of Language and Culture Change,” presented at the 13th International Conference on Geoinformatics, August 17-19, 2005, Toronto, Canada.

Luo, W., Arvidson R. E. Howard A. D., “Morphometric Analysis of Martian Valley Network Basins,” presented at American Geophysical Union spring meeting, May 23-27, 2005, New Orleans, Louisiana.

Luo, W., Arvidson R. E. Howard A. D., “Hypsometric Analyses of Martian Valley Networks at Watershed Basin Scale,” presented at Second Conference on Early Mars, October 11-15, 2004, Jackson Hole, Wyoming.

Luo, W., J. Hartmann, P. Huang, J. Liu, “Geographic Patterns of Zhuang [Tai] Kinship Terms in Guangxi and Border Areas: A GIS (Geographical Information Systems) Analysis of Language and Culture Change,” presented at Social Science History Association 29th Annual Meeting, November 18-21, 2004, Chicago.

Luo, W., E. Peronja, K.L. Duffin, J.A. Stravers, “Incorporating Nonlinear Rules in a Web-Based Interactive Landform Simulation Model (WILSIM),” presented at Geological Society of America annual meeting, November 7-10, 2004, Denver, Colorado.

Luo, W., Arvidson R. E. Howard A. D., “Hypsometric Analyses of Martian Valley Networks at Watershed Basin Scale,” presented at Second Conference on Early Mars, October 11-15, 2004, Jackson Hole, Wyoming. Poster

Luo, W., “Morphometric Analysis of Martian Valley Networks and Paleoclimatic Implications,” presented at “CHICAGO 2004, A Workshop to Foster Broader Participation in NASA Space Science Missions and Research Programs”, June 28-29, 2004, Chicago.

Luo, W., K.L. Duffin, E. Peronja, J.A. Stravers, G.M. Henry, “Web-based Interactive Landform Simulation Model (WILSIM),” presented at “Invention and Impact: Building Excellence in Undergraduate STEM Education, National Science Foundation (NSF) Course, Curriculum, and Laboratory Improvement (CCLI) program conference”, Crystal City in Arlington, Virginia, April 16-18, 2004. Poster

Luo, W., F. Wang and C. Douglass, “Temporal Changes of Access to Primary Health Care in Illinois (1990-2000) and Policy Implications,” presented at Association of American Geographers Centennial Meeting, Philadelphia, March 14-19, 2004

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