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The Amazon River Is The Longest On Earth According To Brazilian Measurements And Surpasses The Nile, With Almost 7 Thousand Kilometers In Length. Satellite Studies Redefined Its Source And Reinforced Its Role As The Largest River In Water Volume In The World.
The Amazon River is considered the longest on the planet according to measurements taken by Brazilian researchers in 2008, based on satellite images and geoprocessing techniques.
The survey pointed to 6,992.06 kilometers in length, surpassing the Nile, traditionally listed as the largest.
Still, international entities continue to present different measurements, which maintains the divergence over the title.
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Inpe Study Redefined The Measurement
The result was released by the National Institute for Space Research (Inpe) in partnership with the Military Geographic Institute of Peru, the National Water Agency (ANA), and the Brazilian Institute of Geography and Statistics (IBGE).
According to the study, the course of the Amazon begins at the Apacheta Mountain in Peru and ends between the states of Pará and Amapá in the Atlantic Ocean.
The inclusion of stretches that extend to the Peruvian Andes, previously disregarded, caused the measurement to surpass that of the Nile.
According to specialists in physical geography, methodological differences — such as the choice of source and the exact point of the mouth — explain the variations found in historical measurements.
Comparison With The Nile River
The Nile, located in Africa, continues to be recognized by the Guinness World Records as the longest river in the world, with 6,695 kilometers in length.
In turn, the measurement conducted by Inpe indicates an advantage of about 140 kilometers for the Amazon.
The Nile originates in the Great Lakes Region of Africa, crosses countries such as Uganda, Sudan, and Egypt, and flows into a delta in the Mediterranean Sea.
Its main tributary is the Kagera in East Africa.
According to geographers consulted by the Aquae Foundation, variations in measurement criteria — such as whether or not to consider certain tributaries — are common and influence the final result.
Width And Flow Of The Amazon River
In addition to its length, the Amazon is the river with the largest volume of water on the planet.
Hydrological studies indicate an average flow of 209,000 to 210,000 cubic meters per second, equivalent to approximately 12.5 million cubic meters per minute.
During the flood period, the river can reach up to 50 kilometers wide in some sections.
In dry periods, the distance between the banks reaches about 11 kilometers, according to data from the Geological Service of Brazil and research institutions in hydrology.
Environmental Recognition And Ecological Importance
According to Unesco, the Central Amazon Conservation Complex — which includes the national parks of Jaú and Anavilhanas and the sustainable development reserves of Amanã and Mamirauá — has been recognized as a Natural World Heritage site since 2000.
The area represents one of the largest protected tropical rainforest areas in the world, with over 6 million hectares and high biodiversity.
Scientific And Methodological Divergences
Researchers state that the lack of consensus regarding the length of the Amazon and the Nile stems from differences in method.
The definition of the source, the main route, and the delimitation of the banks at the mouth can alter the calculation by dozens of kilometers.
Recent studies continue to revise these metrics using orbital sensors and high-resolution images.
In some cases, the shaping of the river changes according to the flood period or the natural shifting of channels, which reinforces the complexity of determining exact measurements.
Experts point out that the Amazon estuary, formed by various arms and islands, such as Marajó, makes the calculation even more challenging.
International research published since 2020 shows results that vary according to the definition of “main course” adopted.
Esse cara que publicou essa matéria deve ter usado algum tipo de droga. Observem no título- 500 km de largura. Não tem ninguém pra revisar o texto antes de publicar. Mesmo q no conteúdo esteja 50 km, o título está errado
Pensei a mesma coisa
Talvez esses 500 km se refira a largura do delta.
Colega, ele talvez tenha errado na Km, ++ está largura e refere ao Delta Q na realidade é D aproximadamente D 300 Km, e a média vamos dizer da largura do Rio é D 30 km em algum trecho …
Como o rio Amazonas é o maior do mundo, se ele nasce depois do Rio Solimões?
O rio Solimões inicia em Tabatinga e termina em Manaus, aí sim inicia o rio Amazonas. Portanto, o rio Amazonas não é o maior do mundo e nem maior do Brasil.
Faça um estudo o PQ do nome Rio Solimões, motivo este quando entra no estado brasileiro, devido a uma história da região foi permitido o nome Solimões,+ na realidade é Rio Amazonas … Faça um estudo Q terá a Veracidade até mesmo sobre o Rio Negro, Caro colega …
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