Institutional service at University of Hawaii

ryanperroy@gmail.com 200 W. Kawili St

+1 808.932.7259 office Hilo, HI 96720

+1 805.617.6695 cell

4/2006 – 7/2009 Ph.D., Physical Geography

Quantifying land degradation and vegetation recovery on southwestern Santa Cruz Island, CA

Committee: Oliver Chadwick (chair), Dar Roberts, Dan Muhs, Bodo Bookhagen

Thesis: Characterizing Post-Grazing Land Cover Change Trajectories on Santa Cruz Island, CA, with Multitemporal Landsat Data and Spectral Mixture Analysis

Committee: Oliver Chadwick (chair), Dar Roberts, Chris Still
College of William and Mary, Williamsburg, Virginia

9/1994 – 5/1998 B.S., Physics, minor in Geology

Senior Thesis: Raman spectroscopy of graphite, Advisor: Bill Cooke
Appointments__________________________________________________________ Assistant Professor, Dept. of Geography & Environmental Science, UH-Hilo, 8/2013–Present:

Research areas include: Unmanned aerial systems; Applications of airborne and terrestrial lidar; high-resolution mapping of heavy-metal contamination; hillslope geomorphology and gully formation; feedbacks between land use and invasive vegetation species.

Research areas include: Applications of airborne and terrestrial lidar; high-resolution mapping of heavy-metal contamination; hillslope geomorphology and gully formation in Mediterranean climates; feedbacks between land use and invasive vegetation species; and industrial-scale vermicomposting.

Digitized paper geologic and coalfield maps, and assisted in collection of geologic field data.

Introductory level GIS course (18 students).

Developed lecture and laboratory materials. Emphasis on fundamentals of GIS and Cartography and spatial data visualization.
Advanced Geo-Spatial Techniques, Geography/Environmental Science 481/681, Fall 2013, 2014

Advanced and Graduate level GIS course (12 students).

Developed lecture and laboratory materials. Emphasis on advanced data analysis techniques for describing, modeling, analyzing, and visualizing spatial data.
Remote Sensing/Air Photo, Geography/Environmental Science 470/640, Fall 2013, 2014

Introduction to the science, methods, and applications of remote sensing. Topics covered include imagery interpretation, geo-processing and classification methods.

Developed all lab and lecture materials and exercises.
Global Warming & Climate Change, Geography/Environmental Science 494b, Spring 2014

Writing Intensive course on global warming and climate change (10 students).

Developed lecture and laboratory materials. Emphasis on energy balance and the greenhouse gas effect, past climates, modeling, impacts and mitigation.
Instructor of Record, UW, La Crosse

Earth Environments, Environmental Science 101, Fall & Spring 2009 - 2013

Introductory physical geography course (90 students).

Developed lecture and laboratory materials (including iClicker exercises), organized and led local field trips. Emphasis on quantitative problem solving and the scientific method.
Geographic Field Methods, Geography/Environmental Science 390, Fall 2009 - 2011

Field Methods with a strong GIS and writing emphasis. Topics covered include surveying via total station and differential GPS, soil profile description, vegetation surveys, portable XRF and spectroradiometer data collection, and technical report and proposal writing.

Developed all lab and lecture materials and exercises, organized and led local field trips.
Geomorphology Seminar, Geography/Environmental Science 375, Fall & Spring 2010, ‘11, ‘12

Weekly student-led discussion group of seminal and current articles in geomorphology.

Intensive on-line summer school class on the basic concepts and processes of global warming and climate change.

Developed all on-line exercises, discussion topics, writing assignments, and tests.
Landforms and Processes, Environmental Science 222, Spring 2010, 2012, 2013

Quantitative geomorphology course with field and computer (ArcMap, Excel, and MATLAB) exercises.

Developed all lecture and laboratory materials, organized and led local field trips.
Lidar Data Analysis, Geography/Environmental Science 495/595, Fall 2011, Spring 2013

Lidar theory, practice, applications, and data processing. Hands-on training with tripod lidar scanning system and QT Modeler and Cyclone lidar data software.

Upper division/Graduate soils course examining the origins, evolution, and uses of soil

Developed all lecture and laboratory materials, organized and led local field trips.
Spatial Data Analysis, Geography 488/588, Fall 2012

Upper division/Graduate geostatistics course on describing, modeling, and analyzing spatial data

Developed all lecture and computer (Excel, ArcMap, and MATLAB) labs and exercises.
Instructor of Record, UC Santa Barbara

Land Surface Processes, Geography 3A, Summer 2007, 2006

Introductory physical geography course.

Developed most lecture and laboratory materials, organized and led local field trips.
Biogeochemistry of Soil, Geography/Environmental Studies 114A, Fall 2006

Upper division soils course with wet lab section.

Developed all lecture material, organized and led local field trips.
Visiting Instructor, U.S. Fulbright Fellow, Albania

Introduction to Remote Sensing Workshop, April 28 and June 15, 2005

Developed curriculum and material for one-day workshops on basic remote sensing principles, physics, and applications for Albanian students and scientists at the Geological Survey of Albania and A. Xhuvani University, Elbasan, Albania

Tutored undergraduate and English as a Second Language (ESL) students in basic writing and grammar skills; assisted with academic coursework, job applications, and resumes.

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Publications (in preparation)_____________________________________

Perroy, R., Sallaku, F., Tota, O., and Hill, B. (2014) High-resolution mapping of heavy-metal soil pollution in Elbasan, Albania, using portable X-ray fluorescence. Science of the Total Environment

Perroy, R., Flaherty*, T., and Roberts, D. (2014) Quantifying the spread of Foeniculum vulgare (wild fennel) on Santa Cruz Island, California. Remote Sensing of the Environment
Publications __________________________________________________________

Perroy, R., Belby, C., and Mertens*, C. (2014) Mapping and modeling three-dimensional lead contamination in the wetland sediments of a former trap shooting range. Science of the Total Environment (in minor revisions)

Perroy, R., Bookhagen, B., Chadwick, O., and Howarth, J. (2012) Holocene and anthropocene landscape change: arroyo formation on southwestern Santa Cruz Island, California. Annals of the Association of American Geographers, 102(6), 1229-1250.

Tota, O., Perroy, R., Sallaku, F. (2012) Assessment of total heavy metals and their different forms in soils around industrial complex of Elbasani City, Albania. Proceedings of BALWOIS 2012 Conference on Water, Climate, & Environment, ed. M. Morell, Ohrid, Republic of Macedonia.

Perroy, R., and Schiller*, L. (2012) Food waste diversion-campus vermicomposting with community partners. Biocycle, 53(4), 29-31.

Roberts, D.A., Roth, K.L., Perroy, R. (2011) Hyperspectral Vegetation Indices. (Chpt. 14 in Hyperspectral Remote Sensing of Vegetation, ed. P.S. Thenkabail, J.G. Lyon, and A. Huete), Taylor and Francis.

Perroy, R., Bookhagen, B., Asner, G., and Chadwick, O.A. (2010) Comparison of gully erosion estimates using airborne and ground-based LiDAR on Santa Cruz Island, California. Geomorphology, 118 (3-4):288-300.

Glassow, M., Chadwick, O.A., Perroy, R., and Howarth, J. (2009) Alluvial history and human prehistory in Posa Canyon, Santa Cruz Island, California. Proceedings of the 7th California Islands Symposium, Oxnard, CA., February 5-8, 2008, ed. C.C. Damiani and D.K. Garcelon, 53-65. Arcata, CA: Institute for Wildlife Studies.

Rickerson, W., and Perroy, R. (2005) Renewable Energy Development in Southeastern Europe: A Case Study of Albania. Proceedings of the 101st Annual Meeting of the Association of American Geographers, April 5-9, Denver, CO. (Winner, Earl Cook Award)

Perroy, R. (2004) Characterizing Post-grazing Land Cover Change Trajectories on Santa Cruz Island, CA, with Multitemporal Landsat Data and Spectral Mixture Analysis. Masters Thesis, University of California, Santa Barbara.

Perroy, R. (2002) Automated Separation System Testing. Proceedings of the 36th Aerospace Mechanisms Symposim, May 15-17, NASA Glenn Research Center, Cleveland, OH.
Conference and Invited Presentations_________________________

Perroy, R. (2014) 4-day workshop on using portable XRF for assessing heavy metal contamination in agricultural soils, EU-IPA Project: Agricultural Land Pollution Survey (ALPS) in Kosovo, January 8-11, Prishtina, Kosovo. Invited

Belby, C., Gerrish, G., King-Heiden, T., Perroy, R., Ryan, S., and Cyphers, T., (2013) Lead bioavailability from contaminated wetland sediments at a former shooting range, Annual Meeting of the Ecological Society of America, August 4-9, Minneapolis, MN.

Bookhagen, B., Meelack, J., Potapanko, J., and Perroy, R., (2013) Decadal to Millennial-scale erosion rates in south-central California, SPE Western Regional/Pacific Section AAPG Joint Technical Conference, April 19-25, Monterey, CA.

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Perroy, R., Sallaku, F., and Tota, O. (2013) The effects of heavy metal soil pollution on garden produce in Elbasan, Albania, Annual Meeting of the Association of American Geographers, April 9-13, Los Angeles, CA.

Mertens*, C., Perroy, R., Belby, C., and Erickson*, S. (2013) Three Dimensional Modeling of Lead Contamination in an Urban Wetland, Annual Meeting of the Association of American Geographers, April 9-13, Los Angeles, CA.

Roider*, R., Oxley*, S., Perroy, R., and Belby, C. (2013) Lead Contamination in Passage Island Soils & Rock Pools, Isle Royale National Park, Annual Meeting of the Association of American Geographers, April 9-13, Los Angeles, CA.

Perroy, R., and Gaugush, Z. (2013) Large-scale food waste vermicomposting in La Crosse, WI. Sierra Club, Coulee Region Group, February 26, La Crosse, WI. Invited

Perroy, R., Bookhagen, B., Chadwick, O., and Howarth, J. (2013) Sheep, storms, and soil: arroyo formation on southwestern Santa Cruz Island, California. Poster session, UCSB Natural Reserve System Conference, February 8, Goleta, CA.

Belby, C., and Perroy, R. (2013) Spatial Distribution of Lead contamination in the La Crosse river marsh. UW-La Crosse 18th Annual Faculty Research Day, January 25, La Crosse, WI.

Perroy, R. (2013) Lidar Data Analysis at the University of Wisconsin-La Crosse. 64th Annual Surveyors’ Institute, January 23, Wisconsin Dells, WI. Invited

Mertens*, C., Perroy, R., Belby, C. (2012) Three Dimensional Modeling of Lead Contamination in an Urban Wetland, 35th Applied Geography Conference, October 10-12, Minneapolis, MN. (Winner, first prize for student research poster)

Perroy, R., Sallaku, F., Tota, O., and Hill*, B. (2012) Quantifying the spatial distribution of heavy-metal soil pollution in Elbasan, Albania, via portable X-ray fluorescence. EUROSOIL 2012, July 2-6, Bari, Italy.

Perroy, R. (2012) Harnessing student creativity and self-expression in an introductory physical geography class. Annual Meeting of the Association of American Geographers, February 24-28, New York, NY.

Belby, C., Perroy, R., Feldmeier*, N. (2012) Mapping the spatial distribution of lead shot in the La Crosse River Marsh using X-ray image analysis. Annual Meeting of the Association of American Geographers, February 24-28, New York, NY.

Erickson*, S., Belby, C., Perroy, R., King, S. (2012) Measuring the spatial distribution of lead contaminants in the La Crosse River Marsh. Annual Meeting of the Association of American Geographers, February 24-28, New York, NY.

Perroy, R., Bookhagen, B., Chadwick, O., and Howarth, J. (2011) Holocene landscape change, anthropogenic land-use change and arroyo formation on southwestern Santa Cruz Island, California. Poster session, American Geophysical Union Fall Meeting, December 5-9, San Francisco, CA.

Perroy, R. (2011) Hydraulic fracking and Coulee region sand mining. Sierra Club, Coulee Region Group, November 29, La Crosse, WI. Invited

Perroy, R. (2011) Sheep, storms, and soil: untangling drivers for environmental change on southwestern Santa Cruz Island, CA. Yi-Fu Lecture Series, September 23, UW-Madison. Invited

Perroy, R. (2011) Vermicomposting through collaboration: A case study from the University of Wisconsin-La Crosse. 11th Annual Vermiculture Conference, May 26-27, Las Vegas, NV. Invited

Flaherty*, T., and Perroy, R. (2011) Mapping the spread of fennel on Santa Cruz Island, CA. Annual Meeting of the Association of American Geographers, March 14-18, Seattle, WA.

Perroy, R. (2011) Mapping Heavy-metal Soil Contamination in Elbasan, Albania. UW-La Crosse 16th Annual Faculty Research Day, January 21, La Crosse, WI.

Perroy, R. (2010) Using LiDAR and Portable X-Ray Fluorescence to Quantify Land Degradation in Mediterranean Regions. U.S. Geological Survey Upper Midwest Environmental Sciences Center Invited Seminar, November 30, La Crosse, WI. Invited

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Hill*, B., Perroy, R., Sallaku, F., Tota, O. (2010) High-resolution Mapping of Heavy-metal Soil Pollution in Elbasan, Albania, Using Portable X-ray Fluorescence. West Lakes Meeting of the Association of American Geographers, October 21-23, Macomb, IL.

Perroy, R. (2010) Nice to meet you, Marjorie Sweeting and V.V. Dokuchaev (teaching introductory physical geography with famous geographers). Annual Meeting of the Association of American Geographers, March 14-18, Washington, DC.

Perroy, R., Chadwick, O.A., Roberts, D. (2009) Quantifying post-grazing recovery with aerial imagery on southwestern Santa Cruz Island, California. Poster session, Geomorphology and Vegetation: Interactions, Dependencies, and Feedback Loops: 40th Annual Binghamton Geomorphology Symposium, October 2-4, Blacksburg, VA.

Perroy, R. (2009) Mapping re-vegetation patterns with aerial imagery time-series data, Guest speaker, GEOG149, University of California, Santa Barbara, May 26, Santa Barbara, CA.

Perroy, R., Asner, G., Bookhagen, B., Chadwick, O. (2009) Quantifying geomorphic processes in a disturbed landscape, southwestern Santa Cruz Island, CA. Annual Meeting of the Association of American Geographers, March 22-29, Las Vegas, NV.

Perroy, R., Asner, G., Bookhagen, B., Chadwick, O. (2008) Patterns of Re-vegetation on Western Santa Cruz Island, CA in the Post-grazing era. Poster session, American Geophysical Union Fall Meeting, December 15-19, San Francisco, CA.

Fischer, G.B., Bookhagen, B., Perroy, R., Burbank, D.W. (2008) Exploring channel initiation thresholds across varying resolutions of topography and DEM creation techniques. Poster session, American Geophysical Union Fall Meeting, December 15-19, San Francisco, CA.

Perroy, R., Chadwick, O.A., Glassow, M., and Howarth, J. (2008) Too many sheep, a fluvial signature. Poster session, Fluvial Deposits and Environmental History: 39th Annual Binghamton Geomorphology Symposium, October 10-11, Austin, TX.

Perroy, R. (2008) Comparing Different Spatial Scales of Erosion Measurements on Santa Cruz Island, CA. Geological Society of America Abstracts with Programs, October 5-9, Houston, TX.

Perroy, R. (2008) Santa Cruz Island is changing!!! Goleta Family Elementary School Speaker Series, May 26, Goleta, CA. Invited

Perroy, R. (2008) Soil science for field archaeology, Guest speaker, ANTH181, University of California, Santa Barbara, May 24, Santa Barbara, CA. Invited

Perroy, R., Roth, K., and Peterson, S.H. (2008) Using phenological spectral signatures to map Foeniculum vulgare (wild fennel), session chair. Annual Meeting of the Association of American Geographers, April 15-19, Boston, MA.

Perroy, R., Howarth, J., Glassow, M., and Chadwick, O.A. (2008) Documenting historical landscape change from cartographic, pedogenic and geomorphic evidence: the wetland of Posa Canyon on Santa Cruz Island. 7th California Islands Symposium, February 5-7, Oxnard, CA.

Glassow, M., Chadwick, O.A., Perroy, R., and Howarth, J. (2008) Human prehistory and alluvial history in Posa Canyon, Santa Cruz Island, California. 7th California Islands Symposium, February 5-7, Oxnard, CA.

Perroy, R. (2006) Characterizing Dryland Post-Grazing Change Trajectories on Santa Cruz Island, CA, with Multitemporal Landsat Data. The Future of Drylands International Scientific Conference on Desertification and Drylands Research Commemorating 50 Years of Drylands Research, June 19–21, Tunis, Tunisia.

Perroy, R. (2005) Ndotjet në Metalurgji Toka, Elbasani, April 11, Agricultural University of Tirana, Tirana, Albania. Invited

Perroy, R. (2004) Characterizing Soil Erosion and Recovery on Santa Cruz Island, CA, using Remote Sensing. Poster Session, Proceedings of the 100th Annual Meeting of the Association of American Geographers, March 14-19, Philadelphia, PA.

2012 – 2013 UW-La Crosse Undergraduate Research Grant (faculty advisor, 2 awards) $ 800

2012 UW-La Crosse Internal Equipment Grant (PI) “Ground-based laser scanning system for teaching and research” $95,979

2012 UW-La Crosse River Studies Center (PI) “Mapping the distribution of lead contamination in the soils of Isle Royale National Park” $ 1,200

2012 UW-La Crosse River Studies Center (Co-PI) “Mapping the distribution of lead

contamination in the La Crosse River Marsh” $ 3,400

2012 The National Great Rivers Research and Education Center (Co-PI), "Lead transfer from

shot contaminated soils in the La Crosse River Marsh, Upper Miss. River" $5,997

2012 UW-La Crosse International Development Fund $ 3,350

2012 UW-La Crosse Internal Equipment Grant (PI) “Handheld X-ray fluorescence system for teaching and research” $22,600

2012-2014 EPA Urban Waters Small Grants (Co-PI), “Monitoring and Assessment of Legacy

Lead Contamination in the La Crosse River Marsh” $64,979

2011 – 2012 UW-La Crosse Faculty Research Grant (Co-PI) "Mapping the Vertical Distribution of

Lead in the La Crosse River Marsh Sediment Using X-ray Fluorescence" $13,329 2011 UW-La Crosse Green Fund Award (PI) "Industrial pulper for University of Wisconsin-

La Crosse vermicomposting program" $19,200

2010 – 2011 UW-La Crosse Undergraduate Research Grant (faculty advisor, 3 awards) $ 4,500

2010 – 2011 UW-Solid Waste Research Program Student Grant (faculty advisor) $ 7,360

2010 – 2011 UW-La Crosse Faculty Research Grant (PI) "High-resolution mapping of heavy-metal

soil pollution in Elbasan, Albania using portable X-ray fluorescence" $ 9,783

2010 – 2011 UW-La Crosse International Development Fund $ 3,350

2010 UW- La Crosse Green Fund Award (PI) "Establishing a vermicomposting program at

University of Wisconsin-La Crosse" $18,944

2010 – 2010 Innov-X Research Grant Award for a Handheld XRF with integrated GPS (PI) $30,000

2006 – 2009 Environmental Protection Agency, Science to Achieve Results (STAR) Graduate

Fellowship, 3 years of full graduate support

2005 – 2006 Future of Drylands UNESCO-U.S. Fulbright Fellow, United Nations Educational,

Scientific and Cultural Organization, Paris, France

2004 – 2005 U.S. Student Fulbright Fellow, Elbasan, Albania

2004 – 2004 American Council of Learned Societies, East European Studies Language Training Grant,

intensive training in Albanian $2,000

3/2009 Graduate Student Paper Award (Ph.D. student), Association of American Geographers,

Geomorphology Specialty Group, 2009 Annual Meeting of the Association of American Geographers, Las Vegas, NV

4/2005 Earl Cook Award for Best Paper by a Student, Association of American Geographers,

Energy and Environment Specialty Group, 101st Annual Meeting of the Association of American Geographers, Denver, CO

6/2004 Ta Liang Memorial Scholarship Award, American Society for Photogrammetry and

Remote Sensing award to facilitate research-related travel by outstanding graduate students in remote sensing

Computer Skills___________________________________________________ ArcGIS ENVI GPS Pathfinder Office LabVIEW Leica Cyclone

MATLAB Microstation QT Modeler RiScan Pro

Topographic surveying with airborne and terrestrial LiDAR systems, total stations, differential GPS receivers, and mobile GIS software

Portable X-Ray Fluorescence field mapping and laboratory X-Ray Fluorescence analysis

Soil profile classification and description

Collection of field spectra for terrestrial targets using spectroradiometers

10Be cosmogenic radionuclide sample preparation

National Science Foundation

Acta Agriculturae Scandinavica, Section B-Plant Soil Science, Applied Geography, Earth Surface Processes and Landforms, Journal of Environmental Quality, Journal of Photogrammetry and Remote Sensing, National Conference on Undergraduate Research, Photogrammetric Engineering & Remote Sensing, Remote Sensing of the Environment, U.S. Civilian Research & Development Foundation, and the Wisconsin Space Grant Consortium

Professional Associations__________________________________________

AAAS Science and Human Rights Coalition (2010 - Present)

American Society for Photogrammetry and Remote Sensing (2003 - Present)

American Geophysical Union (2008 - Present)

Association of American Geographers (2004 - Present)

Geological Society of America (2008 - Present)

Soil Science Society of America (2008 - Present)

UW-La Crosse River Studies Center (2010 - Present)