In-depth studies in river hydrology, fluvial geomorphology, transboundary water treaties, and cartographic analysis.
Originating on the Tibetan Plateau as the Yarlung Tsangpo, this river carves the world's deepest canyon before exploding across Assam with catastrophic monsoon discharge.
Flowing 2,703 miles across six Southeast Asian nations, the Mekong fuels the remarkable flow-reversal of Cambodia's Tonle Sap Lake and the massive Nine Dragons rice delta.
Known as the cradle of Chinese civilization, the 3,395-mile Huang He carries the highest sediment concentration on Earth, elevating its riverbed meters above surrounding floodplains.
Flowing 1,370 miles from the Kachin highlands to the Andaman Sea, the Irrawaddy is famous for cooperative fishing between local fishermen and endangered freshwater dolphins.
Coursing 1,746 miles without dams through the dramatic UNESCO Three Parallel Rivers gorge in Yunnan and eastern Myanmar into the Andaman Sea.
At 2,670 miles, the Lena is the eleventh-longest river on Earth, flowing across continuous permafrost past the soaring limestone Lena Pillars to a massive 12,000 km² Arctic delta.
Flowing 2,268 miles across the world's largest peat bogs, the Ob empties into the 600-mile Gulf of Ob—the longest river estuary on the planet.
Draining Lake Baikal and Central Siberia over 2,167 miles, the Yenisey discharges more water into the Arctic Ocean than any other river, powering giant arch dams.
Originating in Lake Hazar in Turkey's Taurus Mountains, the 1,150-mile Tigris nurtured ancient Nineveh and Baghdad before merging into the Mesopotamian marshes.
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