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MANAUS, Brazil, 8 Oct (AP) \u2014 Communities dependent on the Amazon rainforest\u2019s waterways are stranded without supply of fuel, food or filtered water. Dozens of river dolphins perished and washed up on shore. And thousands of lifeless fish float on the water\u2019s surface.<\/p>\n
These are just the first grim visions of extreme drought sweeping across Brazil\u2019s Amazon. The historically low water levels have affected hundreds of thousands of people and wildlife and, with experts predicting the drought could last until early 2024, the problems stand to intensify.<\/p>\n
Raimundo Silva do Carmo, 67, makes his living as a fisherman, but these days has been struggling to simply find water. Like most rural residents in Brazil\u2019s Amazon, do Carmo typically retrieves water untreated from the biome\u2019s abundant waterways. On Thursday morning, he was making his fourth trip of the day to fill a plastic bucket from a well dug into the cracked bed of Lake Puraquequara, just east of Amazonas state\u2019s capital Manaus.<\/p>\n
\u201cIt\u2019s dreadful work, even more so when the sun is hot,\u201d do Carmo told The Associated Press. \u201cWe use the water to drink, to bathe, to cook. Without water, there is no life.\u201d<\/p>\n
Joaquim Mendes da Silva, a 73-year-old ship carpenter who has lived by the same lake for 43 years, said this drought is the worst he can recall. Area children stopped going to school a month ago because getting there by river became impossible.<\/p>\n
Eight Brazilian states recorded the lowest rainfall in the period from July to September in over 40 years, according to CEMADEN, Brazil\u2019s disaster warning center. The drought has affected most of the main rivers in the Amazon, the world\u2019s largest basin, which accounts for 20% of the planet\u2019s fresh water.<\/p>\n
And as of Friday, 42 of 62 municipalities in Amazonas had declared a state of emergency. Some 250,000 people have been affected by the drought so far, and that number may double by year\u2019s end, according to the state\u2019s civil defense authority.<\/p>\n
In the Auati-Parana Extractive Reserve, about 450 miles west of Lake Puraquequara, over 300 riverine families are struggling to get food and other supplies. Only small canoes with reduced cargo can manage the trip to the closest city, and picking a route through shallow water has pushed travel time from nine hours to 14. Moreover, canals to the lakes where they fish for pirarucu, the Amazon\u2019s largest fish and their primary source of income, have dried up, and carrying fish that weigh as much as 200 kilograms (about 440 pounds) along trails would be extremely burdensome.<\/p>\n
\u201cWe run the risk of catching fish in the lake, and it arrives spoiled. So there is no way for us to fish,\u201d said Edvaldo de Lira, the local association president.<\/p>\n
Dry spells are part of the Amazon\u2019s cyclical weather pattern, with lighter rainfall from May to October for most of the rainforest. That already low rainfall is being further reduced this year by two climate phenomena: El Ni\u00f1o \u2014 the natural warming of surface waters in the Equatorial Pacific region \u2014 and the warming of northern tropical Atlantic Ocean waters, said Ana Paula Cunha, a CEMADEN researcher.<\/p>\n
Global warming, driven by the burning of fossil fuels, is the backdrop of these intensified phenomena. Rising temperatures increase the likelihood of extreme weather, although attribution of specific events to climate change is complex and requires in-depth study. Still, as global temperatures continue to rise and the effects of climate change become more severe, the drought and its devastating consequences may be a glimpse into a bleak future, experts say.<\/p>\n
Average global temperatures soared to a record in September. Crushing heat waves have swept across large swathes of Brazil these past months, though it was winter. In its southern state of Rio Grande do Sul, devastating floods killed dozens.<\/p>\n
Droughts have become more frequent in the Amazon\u2019s Madeira River, whose basin extends some 2,000 miles from Bolivia to Brazil, with four of the five lowest river levels recorded in the past four years, said Marcus Suassuna Santos, a researcher with the Geological Survey of Brazil.<\/p>\n
The Madeira\u2019s level at Porto Velho is the lowest since measurements began in 1967. Nearby, Brazil\u2019s fourth-largest hydroelectric dam, Santo Antonio plant, halted operations this week due to the lack of water. It\u2019s the first time that happened since it opened in 2012.<\/p>\n
Further north, in the Negro River basin, a different pattern has emerged. The Amazon\u2019s main tributary has had seven of its largest floods in the past 11 years, with the worst in 2021. But the Negro River, too, is headed toward its lowest-ever water levels this year.<\/p>\n
\u201cWe are already living a scenario of an altered climate that oscillates between extreme events, either of drought or heavy rains. This has very serious consequences not only for the environment, but also for people and the economy,\u201d said Ane Alencar, science director for the Amazon Environmental Research Institute, or IPAM, a nonprofit.<\/p>\n
\u201cI think there is a very high chance that what we are living now, the oscillation, is the new normal,\u201d Alencar added.<\/p>\n
Brazil\u2019s government has created a task force to coordinate a response. Ministers of President Luiz In\u00e1cio Lula da Silva\u2019s government visited Manaus on Tuesday. Vice President Geraldo Alckmin promised food, drinking water and fuel to isolated communities, and said payments of the Bolsa Familia welfare program would be made in advance. Dredging on stretches of two rivers \u2014 Solimoes and Madeira \u2014 is in the works to improve navigability.<\/p>\n
Heat, along with the falling rivers, is suspected in the deaths of more than 140 dolphins in Lake Tefe, around 300 miles east of Manaus, rocketed into headlines in Brazil and beyond, along with images of vultures picking at their beached carcasses. Excessive heat may have caused organ failure, said Ayan Fleischmann, a hydrologist at the Mamiraua Sustainable Development Institute.<\/p>\n
Another hypothesis is bacteria, with abnormally warm waters acting as an additional stress factor.<\/p>\n
\u201cIt is an unprecedented tragedy. Here in the region, no one had ever seen anything like it,\u201d said Fleischmann. \u201cIt was a shock for everyone.\u201d<\/p>\n
Rainfall is forecast to be below average until the end of the year, according to the National Institute for Space Research. The drought\u2019s impact is already rippling beyond the Amazon\u2019s waterways, and into the rainforest.<\/p>\n
Areas of forest along the riverbanks accumulate a thick layer of leaf litter, which makes them particularly susceptible to wildfire, said Fl\u00e1via Costa, a researcher at the National Institute of Amazonian Research.<\/p>\n
In Amazonas state, nearly 7,000 fires were reported in September alone, the second-highest figure for the month since satellite monitoring began in 1998.<\/p>\n
The resulting smoke is choking Manaus\u2019 more than 2 million inhabitants who are also experiencing sweltering heat. Last Sunday the city recorded its hottest temperature since regular measurements began in 1910.<\/p>\n
The increased frequency of extreme weather events heightens the need for coordination between the federal, regional and municipal governments to prepare and create a system of alerts to mitigate impacts.<\/p>\n
\u201cFrom now on,\u201d Alencar said, \u201cthings will get worse.\u201d<\/p>\n
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