Dennison, Phillip

philip_dennison.jpgPhillip Dennison


Ph.D., Geography, University of California Santa Barbara, 2003

M.A., Geography, University of California Santa Barbara, 1999

B.S., Geography, Penn State University, 1997

Research Interests

My research interests include remote sensing of vegetation physiology and phenology, imaging spectroscopy, wildfire and fire danger modeling, vegetation and the carbon cycle, and natural hazards. Please see Projects to learn more about ongoing research in the URSA Lab.

Selected Publications

  • Matheson, D.S. and P.E. Dennison. Evaluating the Effects of Spatial Resolution on Hyperspectral Fire Detection and Temperature Retrieval. Remote Sensing of Environment, 124, 780-792. Published, 09/15/2012.
  • Leifer, I. , B. Lehr, D. Simecek-Beatty, E. Bradley, R. Clark, P. Dennison, Y. Hu, S. Matheson, C. Jones, B. Holt, M. Reif, D. Roberts, J. Svejkovsky, G. Swayze and J. Wozencraft, 2012. State of the art satellite and airborne marine oil spill remote sensing: Application to the BP Deepwater Horizon oil spill. Remote Sensing of Environment, 124, 185-209. Published, 09/15/2012.
  • Meng, R., P.E. Dennison, L.R. Jamison, C. Van Riper, P. Nagler, K.R. Hultine, N. Ament, D.W. Bean, and T. Dudley, 2012. Detection of tamarisk defoliation by the northern tamarisk beetle based on multitemporal Landsat 5 Thematic Mapper imagery. GIScience and Remote Sensing, 49, 510-537. Published, 07/06/2012.
  • Zhang, Y., G.F. Hepner, and P.E. Denison, 2012. Delineation of Phenoregions in Geographically Diverse Regions using k-means++ Clustering: A Case Study in the Upper Colorado River Basin. GIScience and Remote Sensing, 49, 163-181. Published, 03/2012.
  • Nagler, P.L., T. Brown, K.R. Hultine, C. van Riper, D.W. Bean, P.E. Dennison, R.S. Murray, and E.P. Glenn, 2012. Regional-scale impacts of Tamarix leaf beetles (Diorhabda carinulata) on water availability of western U.S. rivers as determined by multi-scale remote sensing methods. Remote Sensing of Environment, 118, 227-240. Published, 02/2012.
  • Bradley, E.S., D.A. Roberts, P.E. Dennison, R.O. Green, M. Eastwood, S.R. Lundeen, I.B. McCubbin, and I. Leifer, 2011. Google Earth and Google Fusion Tables in support of time-critical collaboration: Mapping the Deepwater Horizon oil spill with the AVIRIS airborne spectrometer. Earth Science Informatics, 4, 169-179. Published, 12/2011.
  • Cova, T.J., P.E. Dennison, and F.A. Drews, 2011. Modeling evacuate versus shelter-in-place decisions in wildfires. Sustainability, 3, 1662-1687. Published, 09/29/2011.
  • Schaaf, A.N., P.E. Dennison, G.K. Fryer, K.L. Roth, and D.A. Roberts, 2011. Mapping plant functional types at three spatial resolutions using multiple endmember spectral mixture analysis. GIScience and Remote Sensing, 48, 324-344. Published, 09/2011.
  • Cao, L., T.J. Cova, P.E. Dennison, and D.M. Dearing, 2011. Using MODIS satellite imagery to predict hantavirus risk. Global Ecology and Biogeography, 20, 620-629. Published, 07/2011.
  • Cavanaugh, K.C., D.A. Siegel, D.C. Reed, and P.E. Dennison, 2011. Climate controls on the giant kelp populations of the Santa Barbara Channel, California. Marine Ecology Progress Series, 429, 1-17. Published, 05/2011.
  • Bradley, E.S., I. Leifer, D.A. Roberts, P.E. Dennison, and L. Washburn, 2011. Detection of Marine Methane Emissions with AVIRIS Band Ratios. Journal of Geophysical Research, 38, L10702. Published, 05/2011.
  • Youngentob, K.N., D.A. Roberts, A.A. Held, P.E. Dennison, X. Jia, and D.B. Lindenmayer, 2011. Mapping two Eucalyptus subgenera using multiple endmember spectral mixture analysis and continuum-removed imaging spectrometry data. Remote Sensing of Environment, 115, 1115-1128. Published, 05/2011.
  • Dennison, P.E., and D.S. Matheson, 2011. Comparison of fire temperature and fractional area modeled from SWIR, MIR, and TIR multispectral and SWIR hyperspectral airborne data. Remote Sensing of Environment, 115, 876-886. Published, 02/15/2011.
  • Peterson, S.H., M.A. Moritz, M.E. Morais, P.E. Dennison, and J.M. Carlson, 2011. Modeling long-term fire regimes of southern California shrublands. International Journal of Wildland Fire, 20, 1-16. Published, 01/2011.
  • Larsen, J.C., P.E. Dennison, T.J. Cova, and C. Jones, 2011. Evaluating dynamic wildfire evacuation trigger buffers using the 2003 Cedar Fire. Applied Geography, 31, 12-19. Published, 01/2011.
  • Dennison, P.E., A.R. Brunelle, and V. A. Carter, 2010. Assessing Canopy Mortality During a Mountain Pine Beetle Outbreak Using GeoEye-1 High Spatial Resolution Satellite Data. Remote Sensing of Environment, 114, 2431-2435. Published, 11/15/2010.
  • Hultine, K.R., J. Belnap, J.R. Ehleringer, C. van Riper, P.E. Dennison, M.E. Lee, P.L. Nagler, K.A. Snyder, S.M. Uselman, and J.B. West, 2010. Tamarisk biocontrol in the western United States: ecological and societal implications. Frontiers in Ecology and the Environment, 8, 467-474. Published, 11/2010.
  • Hultine, K.R., P.L. Nagler, K Morino, S.E. Bush, K.G. Burtch, P.E. Dennison, E.P. Glenn, and J.R. Ehleringer, 2010. Sap flux-scaled transpiration by tamarisk (Tamarix spp.), before, during and after episodic defoliation by the saltcedar leaf beetle (Diorhabda carinulata). Agricultural and Forest Meteorology, 150, 1467-1475. Published, 10/15/2010.
  • Anguelova, Z., D.A. Stow, J. Kaiser, P.E. Dennison, and T. Cova, 2010. Integrating Fire Behavior and Pedestrian Mobility Models to Assess Potential Risk to Humans from Wildfires Within the U.S.-Mexico Border Zone. The Professional Geographer, 62(2), 1-16. Published, 05/2010.
  • Roberts, D.A., E.S. Bradley, R. Cheung, I Leifer, P.E. Dennison, and J. Margolis, 2010. Mapping Methane Emissions from a Marine Geological Seep Source Using Imaging Spectrometry. Remote Sensing of Environment, 114, 592-606. Published, 03/15/2010.
  • Dennison, P.E., and M.A. Moritz, 2009. Critical live fuel moisture in chaparral ecosystems: A threshold for fire activity and its relationship to antecedent precipitation. International Journal of Wildland Fire, 18, 1021-1027. Published, 2009.
  • Dennison, P.E. and D.A. Roberts, 2009. Daytime fire detection using airborne hyperspectral data. Remote Sensing of Environment, 113, 1646-1657. Published, 2009.
  • Dennison, P.E., P.L. Nagler, K.R. Hultine, E.P. Glenn, and J.R. Ehleringer, 2009. Remote monitoring of tamarisk defoliation and evapotranspiration following saltcedar leaf beetle attack. Remote Sensing of Environment, 113, 1462-1472. Published, 2009.
  • Hansen, M.K., D.J. Brown, P.E. Dennison, S.A. Graves, and R.S. Bricklemyer, 2009. Inductively mapping expert-derived soil-landscape units within dambo wetland catenae using multispectral and topographic data. Geoderma, 150, 72-84. Published, 2009.
  • Ustin, S.L., D. Riano, A. Koltunov, D.A. Roberts, and P.E. Dennison, 2009. Mapping fire risk in Mediterranean Ecosystems of California: Vegetation type, Density, Invasive Species and Fire Frequency. In: Earth Observation of Wildland Fire in Mediterranean Ecosystems, Ed. E. Chuvieco, 41-54 . Published, 2009.
  • Peterson, S.H., D.A. Roberts, and P.E. Dennison, 2008. Mapping live fuel moisture with MODIS data: a multiple regression approach. Remote Sensing of Environment, 112, 4272-4284 . Published, 2008.
  • Dennison, P.E., M.A. Moritz, and R.S. Taylor, 2008. Examining predictive models of chamise critical live fuel moisture in the Santa Monica Mountains, California. International Journal of Wildland Fire, 17, 18-27. Published, 2008.
  • Clark, R.E., A.S. Hope, S. Tarantola, D. Gatelli, P.E. Dennison and M.A. Moritz, 2008. Sensitivity analysis of a fire spread model in a chaparral landscape. Fire Ecology, 4, 1-13. Published, 2008.
  • Dennison, P.E., D.A. Roberts, and S.H. Peterson, 2007. Spectral shape-based temporal compositing algorithms for MODIS surface reflectance data. Remote Sensing of Environment, 109, 510-522. Published, 2007.
  • Powell, R.L., D.A. Roberts, P.E. Dennison, and L.L. Hess, 2007. Sub-pixel mapping of urban land cover using multiple endmember spectral mixture analysis: Manaus, Brazil. Remote Sensing of Environment, 106, 253-267. Published, 2007.
  • Dennison, P.E., T.J. Cova, and M.A. Moritz, 2007. WUIVAC: A wildland urban interface evacuation trigger model applied in strategic wildfire scenarios. Natural Hazards, 41, 181-199. Published, 2007.
  • Dennison, P.E., K. Charoensiri, D.A. Roberts, S.H. Peterson, and R.O. Green, 2006. Wildfire temperature and land cover modeling using hyperspectral data. Remote Sensing of Environment, 100, 212-222. Published, 2006.
  • Dennison, P.E., 2006. Fire detection in imaging spectrometer data using atmospheric carbon dioxide absorption. International Journal of Remote Sensing, 27, 3049-3055. Published, 2006.
  • Roberts, D.A., P.E. Dennison, S. Peterson, S. Sweeney, and J. Rechel, 2006. Evaluation of AVIRIS and MODIS measures of live fuel moisture and fuel condition in a shrubland ecosystem in southern California. Journal of Geophysical Research – Biogeosciences, 111, G04S02. Published, 2006.
  • Dennison, P.E., D.A. Roberts, S.H. Peterson and J. Rechel, 2005. Use of normalized difference water index for monitoring live fuel moisture. International Journal of Remote Sensing, 26, 1035-1042. Published, 2005.
  • Cova, T.J., P.E. Dennison, T.H. Kim and M.A. Moritz, 2005. Setting wildfire evacuation trigger points using fire spread modeling and GIS. Transactions in GIS, 9, 603-617. Published, 2005.
  • Dennison, P.E., K.Q. Halligan and D.A. Roberts, 2004. A comparison of error metrics and constraints for multiple endmember spectral mixture analysis and spectral angle mapper. Remote Sensing of Environment, 93, 359-367. Published, 2004.
  • Herold, M., D.A. Roberts, M.E. Gardner and P.E. Dennison, 2004. Spectrometry for urban area remote sensing - Development and analysis of a spectral library from 350 to 2400 nm. Remote Sensing of Environment, 91, 304-319. Published, 2004.
  • Roberts, D.A., P.E. Dennison, M. Gardner, Y.L. Hetzel, S.L. Ustin, and C. Lee, 2003. Evaluation of the potential of Hyperion for fire danger assessment by comparison to the Airborne Visible Infrared Imaging Spectrometer. IEEE Transactions on Geoscience and Remote Sensing, 41, 1297-1310. Published, 2003.
  • Dennison, P.E. and D.A. Roberts, 2003. The effects of vegetation phenology on endmember selection and species mapping in Southern California chaparral. Remote Sensing of Environment, 87, 295-309. Published, 2003.
  • Dennison, P.E. and D.A. Roberts, 2003. Endmember selection for multiple endmember spectral mixture analysis using Endmember Average RMSE. Remote Sensing of Environment, 87, 123-135. Published, 2003.
  • Dennison, P.E., D.A. Roberts, S.R. Thorgusen, J.C. Regelbrugge, D. Weise and C. Lee., 2003. Modeling seasonal changes in live fuel moisture and equivalent water thickness using a cumulative water balance index. Remote Sensing of Environment, 88, 442-452. Published, 2003.
  • Riaño, D., E. Chuvieco, S. Ustin, R. Zomer, P. Dennison, D. Roberts, and J. Salas, 2002. Assessment of the vegetation regeneration after fire through the multitemporal analysis of AVIRIS images in the Santa Monica Mountains. Remote Sensing of Environment, 79, 60-71. Published, 2002.


Contact Information 

Office: Orson Spencer Hall, Room 270C 
Phone: (801) 585-1805 
Fax: (801) 581-8219 

Email: dennison(at)