In-depth studies in river hydrology, fluvial geomorphology, transboundary water treaties, and cartographic analysis.
Spanning 2,635 miles through the sub-Arctic Northwest Territories, Canada's longest river system flushes colossal volumes of freshwater into the Arctic Ocean.
Flowing 854 miles without a single hydroelectric dam on its mainstem, the Fraser supports the world's most productive wild sockeye salmon migration runs.
The inverted delta where California's two largest rivers merge supplies drinking water to 27 million residents while facing severe seismic and subsidence risks.
Nebraska's classic wide, shallow braided river hosts over 500,000 migrating sandhill cranes each spring while relying heavily on the overdrawn Ogallala Aquifer.
Covering 1.4 million acres of bald cypress and tupelo swamps, the Atchafalaya basin serves as the critical safety relief valve for Mississippi River flood surges.
Flowing 406 miles from the Canadian border through four New England states to Long Island Sound, the Connecticut River anchors the Silvio O. Conte Wildlife Refuge.
The chief tributary of the Colorado River carves 730 miles of monumental red-rock canyons from Wyoming's Wind River Range to Canyonlands National Park.
One of the last major undammed rivers in the eastern US, the Delaware provides 50% of New York City's daily municipal tap water through Catskill aqueducts.
The 1999 explosive breaching of Edwards Dam on Maine's Kennebec River ignited the modern global dam removal movement, restoring historic alewife runs.
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