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Monsoon Prediction using Beryllium-7 radionuclide
July 9 , 2019
1967 days
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- Lucrezia Terzi of Belgian Nuclear Research Centre used data from monitors meant to detect nuclear explosions to decode the ‘complex’ Indian monsoon.
- The International Monitoring System stations set up under Comprehensive Test Ban Treaty Organisation (CTBTO) regularly detect the level of radioisotopes in the atmosphere.
- She used data from the CTBTO monitors in Russia and Australia to know the levels of radioactive isotope Beryllium-7 to predict the monsoon.
- Whenever Beryllium-7 level is high in Russia it is low in Australia vice versa.
- The point at which the data of both countries intersect is called Hadley-Ferrell Convergence Zone (HFCZ).
- HFCZ can be linked to monsoon rains.
- This system predicts monsoon with unprecedented accuracy - about two months in advance with an error margin of about three days.
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