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long-term human ecology and landscape dynamics
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archaeological research
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modeling socioecological systems

Research Interests

My interests center around long-term human ecology and landscape dynamics with ongoing projects in the Mediterranean (late Pleistocene through mid-Holocene) and prior work in the American Southwest (Holocene-Archaic). I've done fieldwork in Spain, Bosnia, and various locales in North America and have expertise in hunter/gatherer and early farming societies, geoarchaeology, lithic technology, and evolutionary theory, with an emphasis on human/environmental interaction, landscape dynamics, and techno-economic change. Quantitative and computational methods are critical to archaeological research, and socioecological sciences in general. They are an important focus of my research, especially emphasizing dynamic modeling, spatial technologies (including GIS and remote sensing), data science, and visualization.

I am an advocate for open, transparent science. As Director of CoMSES.Net, I promote open scientific computation for social and ecological sciences. I am also member of the open source GRASS GIS international development team and Project Steering Committee that is making cutting edge spatial technologies available to researchers and students around the world. To help in this effort, I maintain GRASS binary apps for the Macintosh OS at the GRASS for Mac web site.

Current Research


The Mediterranean Landscape Dynamics project is an interdisciplinary research project to study the long-term interactions of humans and landscapes in the Mediterranean, with support from the National Science Foundation Coupled Natural and Human Systems program.

The Network for Computational Modeling in the Social and Ecological Sciences (CoMSES.Net) aims to improve accessiblity by social and ecological scientists to emerging cybertools for studying the dynamics of the socio-ecological systems that dominate the earth today. CoMSES Net is a node in the National Science Foundation national big data infrastructure network. CoMSES.Net is now supported by the NSF Cyberinfrastructure for Sustained Scientific Innovation program to expand education and training, and develop new cyberfrastructure to help make scientific modeling FAIR FAIR. This is a collaborative effort with partners Community Surface Dynamics Modeling System, CUAHSI, Science Gateways Community Institute, and the Open Science Grid.

The Open Modeling Foundation is an international federation of modeling organizations to develop, promote and administer FAIR standards and best practices for computational modeling in the social, ecological, environmental, and geophysical sciences. This effort is supported by the Alfred P Sloan Foundation.

Two collaborative projects with the National Center for Atmospheric Research are developing new tools to assess the social impacts of climate change with support from the NSF Earth Systems Modeling Program and modeling the flow of information across social networks during natural disasters with support from the NSF Hazard SEES Program.

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