Steven Garrity
PhD Student
Major Advisor: Dr. Lee Vierling
E-mail: sgarrity@uidaho.edu
Office: Room 12, CNR
Phone: (208) 885-4946
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Education
- PhD Student, College of Natural Resources, 2006-present
- B.S. Rangeland Ecology, University of Idaho, 2005
Research Interests
- Ecosystem productivity, structure, and physiology [website]
- Spatial analysis of arid land vegetation structure and distribution [ website]
- Ecologically-based geospatial analysis for the conservation of rare species
Publications
Garrity, S.R., and L.A. Vierling. A simple filtered photodiode instrument for continuous measurement of narrowband NDVI and PRI. Agricultural and Forest Meteorology, accepted pending revison.
Smith, A.M.S., Strand, E.K., Steele, C.M., Hann, D.B., Garrity, S.R., Falkowski, M.J., and J.S. Evans. 2008. Production of vegetation spatial-structure maps by per-object analysis of juniper encroachment in multi-temporal aerial photographs. Canadian Journal of Remote Sensing, 34(S2): S268-S285.
Garrity, S.R., Vierling, L.A., Smith, A.M.S., D.B. Hann, and M.J. Falkowski. 2008. Automatic detection of shrub location, crown area, and cover using spatial wavelet analysis and aerial photography. Canadian Journal of Remote Sensing, 34(S2): S376-S384.
Proceedings and other publications
Garrity, S.R., Vierling, L.A., Strand, E.K., Hinson, J., Smith, A.M.S., Vasquez, J.N., and M. Soulen. 2006. The use of aerial photography and satellite imagery for landcover mapping on a ranch in west-central Idaho. Proceedings of the Third National Grazing Lands Conservation Initiative, pp. 133-142.
Garrity, S.R., and R. Robberecht. 2005. Idaho’s Shrub Steppe Ecosystem: Habitat Types. Available on CD-ROM.
Contributed Papers
Garrity, SR, Mueller, KL, Michalak, AM, Vierling, LA, Hardiman, B, and CS Vogel. ‘Independent assessments of fPAR for a mixed hardwood forest using a variety of optical approaches’ (PS 83-126). Ecological Society of America , Milwaukee, WI, August 2008.
Garrity, SR, Vierling, L.A., and Smith, A.M.S., and M.J. Falkowski. Speaker on: ‘Automatic identification of shrub location and size’ Tri-State Rangeland Annual Short Course, Boise, ID, 7-8 April 2008.
Hinson, J, Strand, EK, and SR Garrity. Co-Speaker on: ‘The Candidate Conservation Agreement with Assurances for Ranchers: Partnering to combine landscape analyses with species conservation' Tri-State Rangeland Annual Short Course, Boise, ID, 7-8 April 2008.
Garrity SR, and LA Vierling. 'Using narrowband vegetation indices to estimate ecosystem-atmosphere CO2 flux for a mixed hardwood forest', Poster presentation (B43D-1593), AGU Annual Fall Meeting, San Francisco, CA, December 2007.
Vierling LA, Garrity SR, Naupari J, Serca D, Burban B, and D Bonal. ‘Low-cost sensor packages for measuring narrowband canopy reflectance: implications for understanding regional C exchange’, Poster presentation (B43D-1598), AGU Annual Fall Meeting, San Francisco, CA, December 2007.
Martins, DK, Garman, KE, Shepson, PB, Jacox, M, Smith, J, Hahn, M, Garrity, S, Vierling, L, Santini, R, Wyss, P, Everly, M, Carlsen M, Zimmerman, JR, Stirm, BH, Schmid, HP, and C Vogel. 'An evaluation of the uncertainties of CO2 and sensible heat flux measurements from a light aircraft platform and comparison to tower-based measurements', Poster presentation, Joint Canda-Mexico-USA Carbon Program Planning Meeting, Colorado Springs, CO, January 2007.
Garrity SR, Vierling LA, Turnipseed A, Vogel CS, Martins DK, and PB Shepson. 'Comparison between remotely sensed vegetation indices and CO2 flux measured over a mixed hardwood forest', Poster presentation, AGU Annual Fall Meeting, San Francisco, CA, December 2006.
Martins DK, Shepson, PB, Jacox, M, Smith, J, Garrity SR, Vierling LA, Schmid HP, Vogel CS, Zimmerman JR, Wyss P, Santini R., and BH Stirm. 'A comparison of CO2 and sensible heat flux measurements from aircraft and tower-based platforms', Poster presentation, AGU Union Annual Fall Meeting, San Francisco, CA, December 2006.
Xu Yanyin, Garrity SR, Vierling LA, Martins DK, Shepson PB, and BH Stirm. 'A software toolkit for processing and analyzing spectral and trace gas flux data collected via aircraft', Poster presentation, AGU Annual Fall Meeting, San Francisco, CA, December 2006.
Garrity, SR, Speaker on: 'Geographical Information Systems and remote sensing for forestry research and management', Sustainable Forestry Tour for Teachers and Counselors, Lewiston, ID, June 2006.
Garrity, SR, Vierling, L.A., and A.M.S. Smith. Speaker on: ‘ Automated detection of individual shrub location and crown area using aerial imagery and 2-D wavelet analysis’ SRM 59th Annual Meeting, Vancouver, B.C., Canada, 12-17 February 2006.
Garrity, SR, Vierling, L.A., and A.M.S. Smith. Speaker on: ‘Remote sensing and land management in a shrub-dominated landscape’, UMAC Annual Meeting, Grand Forks, ND, February 2006.
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