- Synoptic Climatology and Meteorology
- Precipitation Climatology
- Climate Variability
- Climate Classification
- Ecological Climatology and Biogeography
- Natural and Human Dimensions of Global Change
- Remote Sensing of Vegetation
- Water Quality Remote Sensing
- Remote Sensing of Changing Rural Landscapes
- Natural Resource Applications of Geographic Information Systems
- Applied Geography
- Geographic Education
Dr. Harrington's core areas of geographic research are in human-environment interactions, rural and regional geography, physical geography, and geospatial analysis and application. Climate of the Great Plains; synoptic climatology; climate classification; climate change; human dimensions of global change; ecological climatology; natural resource applications of remote sensing and GIS; geographic education.
