Engineering researcher combines climate change and land use data to predict watershed impact
When rain falls, it picks up pollution from streets, farms and other manmade features as it winds toward the ocean.
In the Broad Run watershed of Loudon County, Virginia, runoff travels through an increasingly urbanized landscape before reaching the Potomac River and the Chesapeake Bay. In 2000, fewer than 170,000 people lived in the county. More than 400,000 people live there now.