Selected Publications

Location-based social media (LBSM), a specific type of volunteered geographic information (VGI), is increasingly being used as a spatial data source for researchers in geography and related disciplines. Many questions, though, have been raised about VGI data in terms of its quality and its contributors.
In Geographical Review

Urban areas located in Tornado Alley are consistently threatened by severe weather. Tornado sirens are commonly utilized by local governments to inform citizens of approaching danger. Geographic Information System (GIS)-based analyses have provided a practical means by which to assess the spatial extent and coverage of siren networks.

Recent Publications

  • Location based social media behavior and perception: Views of university students

    Details Article

  • GIS-based modeling of tornado siren sound propagation: Refining spatial extent and coverage estimations

    Details Article

Recent Posts

Your life could be easier. Much easier.


A short summary of my motivation for developing shp2nosql


Why I switched from Wordpress to Github Pages



At Oklahoma State I’ve been the instructor of record in:

  • GEOG-1113: Introduction to Cultural Geography
  • GEOG-1114: Introduction to Physical Geography (lecture)
  • GEOG-1114: Introduction to Physical Geography (lab)

I’ve also taught periodically in:

  • GEOG-2344: Digital Tools for Environmental Exploration
  • GEOG-3123: Urban Geography

I’ve been a guest speaker in:

  • MATH-2890: High Performance Computing in Mathematics
  • GEOG-5001: Professional Development in Geography
  • GEOG-4383: Intro to GIS Programming