David Johnson Email Address

Geographer

They count on us to maintain their quality of life, today, tomorrow and for generations to come.

Technical geographer with a balance of research and applied science skills focused on monitoring agricultural lands. Targeted expertise in estimating commodity crop production utilizing satellite imagery. Generalized experience in mapping land cover/land use, tracking landscape vegetation dynamics and change, and relating climate to land surface processes. Versed with spatial analysis, modeling, and cartography within image processing and GIS software. Skilled in quantitative methods, data mining, and statistics. Adept in procedural and object-oriented programming. Proficient at managing, manipulating, and building upon both raster and vector type geographic datasets. Expert user of MODIS, Landsat, and similar remotely-sensed multispectral imagery. Member of the Landsat Science Team and participant in the GEOGLAM initiative. Published in peer-reviewed journals such as Remote Sensing of Environment, Agricultural Systems, and Photogrammetric Engineering and Remote Sensing. Frequent presenter at workshops and conferences like the American Geophysical Union, American Society for Photogrammetry and Remote Sensing, and American Society of Agronomy.