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By Bruno Kelly and Jake Spring. MANAUS, Brazil (Reuters) -The Amazon River fell to its lowest level in over a century on Monday at the heart of the Brazilian rainforest as a record drought upends ...
By Bruno Kelly and Jake Spring. MANAUS, Brazil (Reuters) -The river port in the Amazon rainforest's largest city of Manaus on Friday hit its lowest level since 1902, as a drought drains waterways ...
Last year's record drought in the Amazon and less than usual rainfall since caused river water levels to drop rapidly, hindering navigation by barges carrying grains for export and cutting off ...
At Manacapuru, the Amazon's water level is only about 24 m (79 ft) above mean sea level. More than half of the water in the Amazon downstream of Manacapuru is below sea level. [ 75 ] In its lowermost section, the Amazon's depth averages 20 to 50 m (66 to 164 ft), in some places as much as 100 m (330 ft).
A large outflow of fresh and brackish water from the Amazon mouth - the Amazon river plume - extends through the middle of the Amazonia ecoregion, being pulled north by the NBC. Combined with rainfall this lowers the salinity of the ecoregion's waters, to levels that average 35-36.75 ppm. Surface temperatures range from 22–29 °C (72–84 °F).
The average flow rate at the mouth of the Amazon is sufficient to fill more than 83 such pools each second. The estimated global total for all rivers is 1.2 × 10 6 m 3 /s (43 million cu ft/s), [ 1 ] of which the Amazon would be approximately 18%.
In the morning, the water level in the city´s port went as low as 13.5 meters (44.3 feet), down from 30.02 meters (98.5 feet) registered in June 2021 — its highest level on record.
The Amazon River is the largest river in the world in terms of its flow rate. In addition, it is the second longest river, measuring 6,575 km (4,086 mi) [3] from its source to the mouth of the Atlantic Ocean [4] after the Nile River which is considered to be the longest river in the world (see Source of the Nile River), although there is some dispute.