SO­LU­TIONS UP IN THE AIR

MiEx­perts

The Times of India (New Delhi edition) - - TIMES CITY - 17 chop­pers have ear­lier been used to douse for­est fires say in­ten­sity of wa­ter re­leased will have to be re­duced to turn it into finer spray; Pawan Hans had sought spe­cialised equip­ment for that

1. THE PLAN

Last win­ter, Delhi govt mulled over the idea of ar­ti­fi­cial rain through cloud seed­ing

Ex­perts say not pos­si­ble over such a large area 90% rel­a­tive hu­mid­ity re­quired to ex­e­cute plan

A weather mod­i­fi­ca­tion tech­nol­ogy where rain is ‘cre­ated’ in drought-af­fected ar­eas. Air­craft or he­li­copters in­ject silver io­dide, or sim­i­lar sub­stances into the clouds to mimic ice nu­clei, which helps gen­er­ate ice crys­tals Has been used sev­eral times in China be­fore, in­clud­ing dur­ing the 2008 Bei­jing Olympics, for ar­ti­fi­cial rain

7. IN ABEYANCE?

Delhi govt said it will in­stall mist foun­tains and vir­tual chim­neys at five ma­jor traf­fic in­ter­sec­tions on a trial ba­sis. Noth­ing done on the ground

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