Translated material
Brazil will deepen the largest river in the world
The largest Amazon on the planet suffers from constant droughts caused by climate change. Some of its sections turn into small lakes. In this regard, the Brazilian authorities decided to deepen the bottom of the river. Itis reported by The New York Times.
According to the Brazilian geological service, the water level in several sections of the Amazon River last month fell to the lowest level in the history of observations, which began in 1967. In one section in the Brazilian state of Amazonas, the river level was seven and a half meters below the average value at this time of the year.
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“In some places we can practically see vegetation on the surface of the river,” said Fabrisio de Oliveira Galvao, director of the National Department of Transport Infrastructure.
Due to a sharp drop in water level, people hardly deliver children to school, sick to hospitals, as well as medicines and drinking water in remote villages. In addition, many residents of Brazil, as noted by the publication, will experience difficulties during the upcoming voting in local elections, since they will not be able to get to polling stations.
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In this regard, Brazil decided to deepen the bottom of the river so that during drought people could freely move through the tropical forest and transport goods. The publication notes that in the past the country's authorities have already resorted to such measures, but in extreme cases. This time, work will be carried out continuously for five years.
According to Galvao, this process does not have much risk to the environment, although the authorities will monitor the quality of water and impact on fish. At the same time, other scientists do not agree with him and claim that the deepening of the bottom of the Amazon can affect water systems and harm plants and animals.
For example, in the process of work, hidden mercury deposits can be affected, and fish can be exposed to greater exposure to toxic chemicals. Also, the deepening of the bottom can increase the turbidity of the river. This will complicate the penetration of sunlight, without which aquatic plants cannot multiply.
The New York Time writes that climate changes over the past few decades have led to an increase in average temperatures in some areas of the Amazon by two degrees. In addition, the rains in this region became less plentiful, and the dry season increased by a month compared to the 1970s.
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