Upgrade 34 Days After Alert Lifted on July 27

The Nakdong River Basin Environmental Office announced on the 31st at 3 PM that an algal bloom alert at the 'Interest' level has been issued for the Mulgeum and Maeri points of the Nakdong River.


Although the algal bloom alert was lifted on July 27, the 'Interest' level alert was issued as recent algae measurements exceeded the harmful cyanobacteria cell count standard (1000 cells/mL) twice consecutively.


Issuance of 'Attention' Level Algal Bloom Warning at Nakdonggang Mulgeum and Maeri Stations View original image

Since mid-August, a large amount of nutrients has flowed in due to rainfall, and the retention time has increased due to stagnation at the downstream Mulgeum and Maeri points of the Nakdong River, which appears to have temporarily caused a resurgence of harmful cyanobacteria.


According to the Korea Meteorological Administration forecast, the daily maximum temperature in the Nakdong River basin in September is expected to reach 29?30℃, so the proliferation of harmful cyanobacteria is expected to continue for the time being.



At Chilseo point, another algal bloom alert location downstream of the Nakdong River, the algal bloom alert has remained lifted since July 27.


This content was produced with the assistance of AI translation services.

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