Ross Hassig's scientific contributions

Citations

... These measures include the standard deviation of elevation (a measure of terrain ruggedness) and an indicator representing whether the average elevation of a grid cell is lower than 1500 meters. This second metric is meant to proxy for the disease environment as malaria, yellow fever, and other diseases inhibited colonization of low-lying areas (e.g., Hassig 1985). Both measures were extracted using a 30-meter digital elevation model. ...