Associate
Professor
Clark University
School of Geography
Advisor to Human Environment
Regional Observatory (HERO)
Advisor to
Master of Arts in Geographic Information Science for Development and
Environment (GISDE)
950 Main Street
Worcester MA 01610-1477
USA
OFFICE
PHONE (508) 793-7761
OFFICE
FAX (508) 793-8881
EMAIL
rpontius@clarku.edu
Updated 20 July 2010.
Welcome to Gil Pontius’ home page from
which you can obtain copies of the publications below. If you would like other
publications, please see Gil’s CV,
and then send your request and postal address to Gil (rpontius@clarku.edu).
Gil will present his workshop entitled
“Land Change Modeling Methods: calibration, validation, and extrapolation” at
the October 2010 meeting of the Global Land
Project in Tempe, Arizona, USA.
PUBLICATIONS AS JOURNAL
ARTICLES:
- R
G Pontius Jr and X Li. 2010. Land transition estimates from erroneous
maps. Journal of Land Use Science 5(1): 31-44. Left click to request a
copy.
- R
G Pontius Jr and N Neeti. 2010. Uncertainty in the difference between maps
of future land change scenarios. Sustainability Science. Left click to
request a copy.
- R
G Pontius Jr and S Petrova. 2010. Assessing a predictive model of land
change using uncertain data. Environmental Modeling & Software 25(3):
299-309. Left click to request a copy.
- R
Manandhar, Inakwu O A Odeh and R G Pontius Jr. 2010. Analysis of twenty
years of categorical land transitions in the Lower Hunter of New South
Wales, Australia. Agriculture Ecosystems and Environment, 135: 336-346.
Left click to request a copy.
- R
G Pontius Jr and J Connors. 2009. Range of categorical associations for
comparison of maps with mixed pixels. Photogrammetric Engineering &
Remote Sensing, 75(8): 963-969. Left click to request a copy.
- R
G Pontius Jr, W Boersma, J-C Castella, K Clarke, T de Nijs, C Dietzel, Z
Duan, E Fotsing, N Goldstein, K Kok, E Koomen, C D Lippitt, W McConnell, A
Mohd Sood, B Pijanowski, S Pithadia, S Sweeney, T N Trung, A T Veldkamp,
and P H Verburg. 2008. Comparing input, output, and validation maps for
several models of land change. Annals of Regional Science, 42(1): 11-47.
Left click to request a copy. The same document is available at www.springerlink.com. For color figures,
see Pontius et al. (2007) listed under the conference proceedings on this
web page.
- R
G Pontius Jr, O Thontteh and H Chen. 2008. Components of information for
multiple resolution comparison between maps that share a real variable.
Environmental and Ecological Statistics, 15(2): 111-142. Left click to
request a copy. The same document is available at www.springerlink.com.
- C
Alo and R G Pontius Jr. 2008. Identifying systematic land cover transitions
using remote sensing and GIS: The fate of forests inside and outside
protected areas of Southwestern Ghana. Environment and Planning B, 35(2):
280-295. Left click to request a copy.
- K
Kuzera and R G Pontius Jr. 2008. Importance of matrix construction for
multiple-resolution categorical map comparison. GIS and Remote Sensing,
45(3): 249-274. Left click to request a copy.
- R
G Pontius Jr, R Walker, R Yao-Kumah, E Arima, S Aldrich, M Caldas and D
Vergara. 2007. Accuracy assessment for a simulation model of Amazonian deforestation.
Annals of Association of American Geographers, 97(4): 677-695. Left
click to request a copy. The same document is available at www.blackwell-synergy.com.
- R
G Pontius Jr, A J Versluis and N R Malizia.
2006. Visualizing certainty of extrapolations from models of land change.
Landscape Ecology 21(7) p.1151-1166. Left click to request a copy.
- R G Pontius Jr and C D
Lippitt. 2006. Can error explain map differences over time? Cartography
and Geographic Information Science 33(2) p.159-171. Right click to
download.
- R
G Pontius Jr and M L Cheuk. 2006. A generalized cross-tabulation matrix to
compare soft-classified maps at multiple resolutions. International
Journal of Geographical Information Science 20(1) p.1-30. Left click
to request a copy.
- R
G Pontius Jr and J Malanson. 2005. Comparison of
the structure and accuracy of two land change models. International
Journal of Geographical Information Science 19(2) p.243-265. Left
click to request a copy.
- R G Pontius Jr and J Spencer. 2005.
Uncertainty in extrapolations of predictive land change models.
Environment and Planning B 32 p.211-230. Right click to download. This
paper won the Michael Breheny Prize for the Best
Paper in Environment and Planning B in 2005.
- E Fedorko, R G
Pontius Jr, S Aldrich, L Claessens, C Hopkinson
Jr, and W Wolheim. 2005. Spatial distribution of
land type in regression models of pollutant loading. Journal of Spatial
Hydrology 5(2) p.60-80. Right click to download.
- R
G Pontius Jr, D Huffaker and K Denman. 2004.
Useful techniques of validation for spatially explicit land-change models.
Ecological Modelling 179(4) p.445-461. Left
click to request a copy.
- R G Pontius Jr and N R Malizia. 2004.
Effect of category aggregation on map comparison. Lecture Notes in
Computer Science 3234 p.251-268 in M J Egenhofer,
C Freska, and H J Miller (eds): GIScience2004. Right click to
download.
- R G Pontius Jr, E Shusas and M McEachern.
2004. Detecting important categorical land changes while accounting for
persistence. Agriculture, Ecosystems & Environment 101(2-3) p.251-268.
Right click to download.
- R
G Pontius Jr and Pablo Pacheco. 2004. Calibration and validation of a
model of forest disturbance in the Western Ghats, India 1920-1990. GeoJournal 61(4) p.325-334. Left click to request
a copy.
- R G Pontius Jr and K Batchu. 2003.
Using the relative operating characteristic to quantify certainty in
prediction of location of land cover change in India. Transactions in GIS
7(4) p.467-484. Right click to download. The PDF of Pontius and Batchu (2003) is an electronic version of an article
published in Transactions in GIS: complete citation information for the
final version of the paper, as published in the print edition of
Transactions in GIS, is available on the Blackwell Synergy online delivery
service, accessible via the journal’s website at http://www.blackwellpublishing.com/tgis
or http://www.blackwell-synergy.com.
- R G Pontius Jr, A
Agrawal and D Huffaker. 2003. Estimating the uncertainty
of land-cover extrapolations while constructing a raster map from tabular
data. Journal of Geographical Systems 5(3) p.253-273. Right click to
download.
- R G Pontius Jr. 2002. Statistical methods to
partition effects of quantity and location during comparison of
categorical maps at multiple resolutions. Photogrammetric Engineering
& Remote Sensing 68(10) p.1041-1049. Right click to download.
- R G Pontius Jr, J Cornell and C Hall.
2001. Modeling the spatial pattern of land-use change with GEOMOD2:
application and validation for Costa Rica. Agriculture, Ecosystems &
Environment 85(1-3) p.191-203. Right click to download.
- R G Pontius Jr and L Schneider. 2001. Land-use change model
validation by a ROC method for the Ipswich watershed, Massachusetts, USA.
Agriculture, Ecosystems & Environment 85(1-3) p.239-248. Right
click to download.
- L Schneider and R G Pontius Jr. 2001. Modeling land-use change
in the Ipswich watershed, Massachusetts, USA. Agriculture, Ecosystems
& Environment 85(1-3) p.83-94. Right click to download.
- R G Pontius Jr. 2000. Quantification error
versus location error in the comparison of categorical maps.
Photogrammetric Engineering & Remote Sensing 66(8) p.1011-1016.
Right click to download. You can do the calculations described in this
paper with the PontiusMatrix1.xls file available below.
PUBLICATIONS AS CONFERENCE
PROCEEDINGS:
- R G Pontius Jr, Shaily Menon, Joseph
Duncan and Shalini Gupta. 2008. GIS methods to quantify effectiveness and
leakage in land conservation projects. Conference proceedings of Studying,
Modeling, and Sense Making of Planet Earth. Mytilene,
Greece 8p. Right click to download.
- R G Pontius Jr and M Millones.
2008. Problems and solutions for kappa-based indices of agreement.
Conference proceedings of Studying, Modeling, and Sense Making of Planet
Earth. Mytilene, Greece 8p. Right click to
download.
- R G Pontius Jr, J-C Castella, T de Nijs, Z Duan, E Fotsing, N Goldstein, K Kok,
E Koomen, C D Lippitt, W McConnell, A Mohd Sood, B Pijanowski, A T
Veldkamp, and P H Verburg. 2007. Lessons and
challenges in land change modeling as revealed by map comparisons.
Proceedings for conference on the science and education of land use: a
transatlantic, multidisciplinary and comparative approach. Washington DC
USA. September 24-26. 16p. Right click to download.
- R G Pontius Jr and J
Connors. 2006. Expanding the conceptual, mathematical, and practical
methods for map comparison. Conference proceedings of the meeting of
Spatial Accuracy. Lisbon, Portugal. 16p. Right click to download.
- L Paladino
and R G Pontius Jr. 2004. Accuracy assessment and uncertainty in baseline
projections for land-change forestry projects. Conference Proceedings of
the joint meeting of The Fifteenth Annual Conference of The International Environmetrics Society and The Sixth Annual Symposium
on Spatial Accuracy Assessment in Natural Resources and Environmental
Sciences. Portland ME. 11p. Right click to download.
- R G
Pontius Jr, L Claessens, C Hopkinson Jr, A Marzouk, E Rastetter, L Schneider, J Vallino. 2000. Scenarios of
land-use change and nitrogen release in the Ipswich watershed,
Massachusetts, USA. in B Parks, K Clarke, M
Crane, editors. 2000. Conference proceedings of the 4th
international conference on integrating GIS and environmental modeling.
Boulder: University of Colorado, CIRES.
PUBLICATION AS BOOK
CHAPTER:
- R G Pontius Jr and B Suedmeyer. 2004. “Components of agreement in
categorical maps at multiple resolutions”. p.233-251.
Chapter 17 in R S Lunetta and J G Lyon (eds). Remote Sensing and GIS Accuracy Assessment. CRC
Press, Boca Raton FL. Right click to download.
PUBLICATION AS SOFTWARE
MANUAL:
- R G Pontius Jr and H Chen. 2006.
GEOMOD Modeling. Chapter of help system in J Ronald Eastman. Idrisi 15:
The Andes Edition. Worcester MA: Clark Labs. Right click to download.
You may be interested in the links below.
- Scientific Curriculum Vitae
of Gil Pontius
- To
compute your own summary statistics from a matrix, right click here and
use “Save Target As” to download PontiusMatrix1.xls, which is about 179KB
- To
download the document shown at the 2007 Association of American
Geographers panel on becoming a writer, right click here and use “Save
Target As” to download format01.doc.
- To download the document that has ideas for
an effective presentation, right click here and use “Save Target As” to
download ClarityInOralForm01.doc.
- To download the document that has ideas for
an effective presentation, right click here and use “Save Target As” to
download ClarityInOralForm1.pptx.
- To download slides from my 2010
Association of American Geographers session, right click here and use
“Save Target As” to download PontiusKofinas2010AAG03.pptx.
- To download slides for my 2010 Association of
American Geographers workshop, right click here and use “Save Target As”
to download LUCCmodel2010AAG1.ppt.
- To download data for my 2010 Association of
American Geographers workshop, right click here and use “Save Target As”
to download LUCCmodel2010AAG1.zip.
- Many of the methods that I have created
are available in the GIS software Idrisi,
which is created by Clark Labs
- Syllabus for GEOG110, GES110, GEOG311,
ID110, IDCE30212
- Syllabus for GEOG260, GEOG360,
IDCE367, ID260
- See my alter ego, Doctor Stardust, The
Award Winning Entertainer