Top 10 rivers factsRivers quiz
Okavango river is famous for its biologically rich delta. What is the river's outlet?
It doesn't have an outlet to the sea. Discharging to an endorheic basin, the Okavango does not have an outlet to the sea. Instead, it empties into a swamp in the Kalahari Desert, known as the Okavango Delta or Okavango Alluvial Fan.
Which large river flows through Rio de Janeiro? ("rio" is Portuguese for "river")
None. The Portuguese were the Europeans who encountered Guanabara Bay on January 1,1502. They took it for a large river, which they named "Rio de Janeiro" ("January River"). Later it was discovered, that the presumed river was in fact a gulf, but the name remained.
Where does the phenomenon known as the Lighthouse of Maracaibo occurs?
In Venezuela. Catatumbo lightning is an atmospheric phenomenon in Venezuela. It occurs only over the mouth of the Catatumbo River where it empties into Lake Maracaibo. The phenomenon is characterized by almost continuous lightning and occurs during 260 nights a year, 10 hours per day and up to 280 times per hour. It has been known for centuries as the Lighthouse of Maracaibo, since it is visible for miles around Lake Maracaibo
Where is the Kwai river?
In Thailand. River Kwai in Thailand today, but there was no such river when the "bridge on the River Kwai" was created. The movie tells a fictional story, and the film crew built a wooden bridge on the Mae Klong river. This part of the river was then renamed Khwae Yai to bring geographical fact more in line with the movie.
What is the longest river in the United States?
Missouri. The Missouri River is the longest river in North America. Having 2,341 mi (3,768 km), it is longer than the Mississippi (2,202 mi 3,544 km). When combined with the lower Mississippi River, it forms the world's third longest river system, after the Nile and Amazon.
Which city is associated with cremated bodies lying on the banks of a river?
Varanasi. Hindus believe that bathing in the Ganges remits sins and that dying in Varanasi ensures release of a person's soul from the cycle of its transmigrations. Those who are lucky enough to die in Varanasi, are cremated on the banks of the Ganges, and are granted instant salvation. Thus, many Hindus arrive here for dying.
What is represented by the the colour range in this map?
Water salinity. Launched June 10, 2011, Aquarius is NASA’s first satellite instrument specifically designed to study the salt content of ocean surface waters. The complete first year dataset of NASA's Aquarius instrument reveals seasonal changes in the Amazon River's plume. Depending on the prevailing currents, the river's freshwater outflow heads east toward Africa or bends up north to the Caribbean.
Dettifoss is reputed to be the most powerful waterfall in Europe. Where is it?
In Iceland. Dettifoss is situated on the Jökulsá á Fjöllum river, which flows from the Vatnajökull glacier and collects water from a large area in Northeast Iceland. The falls are 100 metres (330 ft) wide and have a drop of 45 metres (150 ft) down.