Interactive maps and spatial analysis exploring landscapes, environments, and the geographic forces that shape the long arc of human history.
535 million years of Blue Ridge geology mapped at the gorge scale. DEM hillshade, climbing areas, waterfalls, trails, and the Helene impact zone in Hickory Nut Gorge.
Explore →How the Khmer Empire engineered water across 1,000 square kilometers to sustain a city of one million, and why that same system eventually brought it down.
Explore →3,595 monuments across 100 square kilometers of the Irrawaddy's left bank. The rise, hydraulics, and Mongol-era collapse of the Pagan Kingdom mapped across nine centuries.
Explore →Spatial history of the Florida Everglades: smuggling routes, lost settlements, and two centuries of contested borderland ecology.
Explore →Carbon, timber, and the science of what happens when 822,000 acres fall. Sentinel-1 SAR and Landsat NDVI analysis of Hurricane Helene forest damage across western North Carolina.
Explore →3D terrain analysis of the May 2026 Rocky Broad River flooding. Mapbox satellite terrain with flood zone overlays, US-74A culvert failure site, USGS streamflow data, and elevation cross-sections of the gorge.
Explore →The enigmatic watchtowers of the Sino-Tibetan borderlands, built in seismic terrain without mortar across a thousand years of fractured highland history.
Explore →Tracing Jason's voyage from Iolcos to Colchis and back across the ancient Mediterranean and Black Sea, layered over the real geography of the Greek world.
Explore →Mapping the geopolitics, ecology, and physics of the global lithium race across continents.
Explore →Mapping the Americas minerals race: lithium, cobalt, and rare earths at the center of the energy transition and a new era of resource geopolitics.
Explore →Mapping the global distribution, supply chains, and strategic importance of critical minerals driving the modern economy.
Explore →Spatial analysis and mapping of the Florida Everglades ecosystem using Quarto and interactive visualizations.
Explore →An interactive map of ancient and modern Rome, built with Quarto for spatial storytelling of the city's two-thousand-year footprint.
Explore →Interactive Leaflet.js map of North America's largest pre-Columbian settlement, featuring mound locations and boundary overlays.
Explore →Using machine learning to identify and map Amazonian geoglyphs from satellite imagery in the Brazilian Amazon.
Explore →D3 timeline analysis of the Angkor hydraulic system's decline: sedimentation rates, canal capacity loss, drought cycles, and the cascading infrastructure failures that ended the Khmer Empire.
Explore →Rana boylii, the foothill yellow-legged frog of California. Species distribution, DPS range loss, and GBIF occurrence data across a century of habitat decline.
Explore →Interactive webmap of Rana boylii occurrence records, DPS boundaries, and watershed-scale habitat data across California and Oregon.
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