YOGYAKARTA - Weather Modification Technology (TMC) with a water shower spraying procedure using an airplane can make the Jakarta sky bright blue and cloudy. Then, how long can the rinse effect improve air quality?
Head of the Disaster Data, Information and Communication Center of the National Disaster Management Agency (BNPB), Abdul Muhari, said that the water spray spraying procedure did not last long. Because, he said, the water sprayed in Jakarta's sky will quickly fall and spread.
"Of course this water spray does not last long in the air because it will come down, for that the timing of the spray means so that the results are optimal," Abdul Muhari told reporters, Thursday, September 14.
He said the good time was chosen to spray water from the Jakarta sky, namely the morning before noon. This aims to reduce pollutants in the morning and evening.
"Water mist spray is carried out in the morning before noon to reduce the content of pollutants during peak source morning and evening," he said.
A kind of known, Jakarta's sky looks bright blue and cloudy on September 11-12. BNPB revealed the steps it tried to improve air quality in Jakarta in the past week.
"The government continues to strive to reduce air pollution in the area of the capital city of Jakarta, one of which is by carrying out Weather Modification Technology (TMC) with water mispraying procedures using 2 Cessna aircraft," said Head of the BNPB Disaster Data, Information and Communication Center Abdul Muhari.
Abdul Muhari said the weather modification effort was carried out by BNPB together with BRIN, BMKG, the Indonesian National Army (TNI) and other related parties in the Jakarta area. According to him, the air pollution rinse operation was held from Monday (4/9) to Monday (11/9).
"This operation has been carried out from Monday (4/9) to Monday (11/9) with a duration of 82 hours 50 minutes and carrying 70.500 liters of water sprayed to form artificial evalporation in Jakarta's sky," he said.
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He explained that in one day, each plane carried out 4 sorting in some areas in Jakarta, including Central Jakarta, East Jakarta and North Jakarta.
"This effort began to share a significant impact where there was a decrease in the value of PM's pollutants by 2.5, so that the sky in the Jakarta area began to appear clean," he said.
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