Delta Research And Global Observation Network (DRAGON)

Maps


Drainage Basins

Source: USGS HYDRO1k elevation derivative database.

Elevation

Source: Global Topography v9.1 from the Scripps Institution of Oceanography
University of California San Diego.

RAMSAR Wetlands

Source: The List of Wetlands of International Importance. 26 September 2007.
Convention on Wetlands (Ramsar, Iran, 1971).

Known (discovered) Gas outside the United States

Source: USGS World Petroleum Assessment 2000. U.S. Geological Survey
Digital Data Series- DDS-60.

Known (discovered) Oil outside the United States

Source: USGS World Petroleum Assessment 2000. U.S. Geological Survey
Digital Data Series- DDS-60.

Landcover

Source: USGS Earth Resources Observation System 1-km resolution global land cover characteristics database.

Irrawaddy River Irrawaddy River Amazon River Amazon River Danube River Danube River Ganges River Ganges River Huang He River Huang He River Lena River Lean River Mekong River Mekong River Mississippi River Mississippi River Nile River Nile River Okavango River Okavango River Rhine River Rhine River Selenga River Volga River Volga River Yangtze River Yangtze River
Delta Research and Global Observation Network (DRAGON)