Research Interests

• Remote Sensing
• Geographical information systems
• Imaging spectroscopy
• Land surface bio- / geophysical information
• Carbon cycle modeling
• Micrometeorology
  

Education

• PhD, University of Helsinki, Finland (2009)
• MSc, Wageningen University, The Netherlands (2006)
• BSc, Debub University, Ethiopia (2002)
  

PROFESSIONAL EXERIENCES

• Postgraduate Teaching (Remote sensing and GIS): University of Helsinki, Department of Geography (2007 - 2009)
• Developing remote sensing image catalogue of Wageningen University and Research Centre (CGIRSC) (2006).
• Analysis and modeling forestry and wildlife data using GIS for the Grand Cote National Wildlife Refuge's Comprehensive Conservation Plan, Central Louisiana Refuge Complex, U.S. Fish and Wildlife Service (2006).
• Undergraduate academic coordinator, 2003-2004, Department of Plant Sciences, Alemaya University, Ethiopia
• Undergraduate Teaching and research (Forestry): Graduate Assistant I & II, 2002-2004, Forestry Section, Alemaya University, Ethiopia
  

Current Research Description

• My current research project is developing the next generation of the Carbon Budget Model of the Canadian Forest Sector (CBM-CFS) by including non-disturbance Factors.

PUBLICATIONS

• Gonsamo, A., J.-M.N., Walter and P.Pellikka. CIMES: A Package of Programs for Determination of Canopy Geometry and Solar Radiation Regimes through Hemispherical Photographs. Forthcoming in Sensors.
  
• Gonsamo, A. Normalized sensitivity measures for leaf area index estimation using three-band spectral vegetation indices. International journal of remote sensing, in press.
  
• Gonsamo, A., Pellikka, P., and King, D.J. (2010). Large scale leaf area index inversion algorithms from high resolution airborne imagery. International journal of remote sensing, in press.
  
• Gonsamo, A., J.-M.N., Walter and P. Pellikka (2010). Sampling gap fraction and size for estimating leaf area and clumping indices using hemispherical photography. Canadian Journal of Forest Research, 40(8): 1588-1603.
  
• Gonsamo, A. (2010). Leaf area index retrieval using gap fractions obtained from high resolution satellite data: comparisons of approaches, scales and atmospheric effects. International Journal of Applied Earth Observation and Geoinformation, 12, 233-248.
  
• Lehouck, V., Spanhove, T., Gonsamo, A., Cordeiro, N., and Lens, L. (2009). Spatial and temporal effects on recruitment of an Afromontane forest tree in a threatened fragmented ecosystem. Biological conservation 142, 518-528.
  
• Gonsamo, A., and P.Pellikka (2009). The computation of foliage clumping index using hemispherical photography. Agriculture and forest meteorology, 149, 1781-1787.
  
• Gonsamo, A.,and P.Pellikka (2009). A new look at the top-of-canopy gap fraction measurements from high resolution airborne imagery. EARSeL eProceedings, 8, 64-74.
  
• Gonsamo, A., and P.Pellikka (2008). Methodology comparison for slope correction in canopy leaf area index estimation using hemispherical photography. Forest Ecology and Management 256,749-759.