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SCIENCE / GEOGRAPHY

List: Top Ten Longest Rivers in the World

Date: 2005

Source: Wikipedia

Base: All rivers in the world

Notes: Since we published this list we have received an email from Prof. Shaochuang Liu, Ph.D, at the Institute of Remote Sensing Applications, Chinese Academy of Sciences in Beijing, China. He directed us to a recent paper in the International Journal of Digital Earth, March 2009, which he published along with 4 colleagues, called 'Pinpointing the sources and measuring the lengths of the principal rivers of the world'.

The methodology they use is based on Remote Sensing Imagery, which is "capable of covering large areas with quantitative observational parameters such as spectral radiance (Rencz 1998, Sabins 1996, Schowengerdt 1997, Wang 1990)." Images were selected on the basis of converges, resolution, availability and cost from satellite series in operations such as IKONOS, QuickBird, SPOT, ERS, RADARSAT, IRS, CBERS, LANDSAT and others. Prof Liu says that his team expect to report new measuring results of rivers in the near future.

For now, their list of longest rivers runs as follows:
Nile 7,088 (km), Amazon, 6,575, Yangtze (Changjiang) 6,236, Mississippi-Missouri 6,084, Yenisy (Arctic) 5,816, Yellow (Huanghe) 5,778, Ob-Irtysh 5,525, Amur (Heilongjiang) 5,498, Congo (Zaire) 5,118, Mekong 4,909.

Rank

River

Length (Km)

Location

1.

Nile

6693

North Africa

2.

Amazon

6436

South America

3.

Chang Jiang (Yangtze)

6378

China

4.

Huang He

5463

China

5.

Ob-Irtysh

5410

Russia

6.

Amur

4415

North East Asia

7.

Lena

4399

Russia

8.

Congo

4373

Central Africa

9.

Mackenzie

4241

Canada

10.

Mekong

4183

South East Asia


 

 

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