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Anmeldungsdatum: 11.12.2021 Beitrge: 62
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Verfasst am: 16. Aug 2022 10:17 Titel: China's Yangtze river shrinks as heatwave, drought threaten |
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China's Yangtze river shrinks as heatwave, drought threaten crops
Regions that rely on the Yangtze, China's longest river, are having to deploy pumps and cloud-seeding rockets as a long drought depletes water levels and threatens crops, and a heatwave is set to last another two weeks.
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The Yangtze's middle and lower reaches have faced temperatures in excess of 40 degrees Celsius over the past month, with experts blaming climate change-induced variations in the western Pacific subtropical high, a major determinant of summer weather throughout east Asia.
With the autumn harvest under threat, the agriculture ministry has deployed 25 teams to key regions to take action to protect crops, the Shanghai government's Guangming Daily newspaper reported.
The heatwave is likely to last for another two weeks, making it the longest sustained period of extreme temperatures since records began in 1961, experts with China's National Climate Center told the official Science and Technology Daily on Monday (Aug 15).
Rainfall in the Yangtze river drainage area fell about 30 per cent in July and is 60 per cent lower than normal in August, with the river's tributaries "significantly lower" than historical levels, according to the Yangtze River Water Resources Commission.
The Poyang lake in central China's Jiangxi province, which plays a major role in regulating Yangtze water flows in the summer, has shrunk to levels normally seen during the winter dry season after a 50 per cent decline in rain in July.
Villages relying on water from the lake have been forced to deploy pumps to irrigate rice fields, media reported. |
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