Cloud seeding begins
The cloud seeding experiment taken up at cost of 35
crore, called Project Varshadhari, began on Monday. This cloud seeding
operation, a first in Magadi and Ramanagaram, aims to condense small water
particles by clouds (size less than 10 microns) to droplets of 50 microns,
which can constitute rains.
The flight for cloud seeding - BQ-100 Beechcraft - was
scheduled to take off from Jakkur Airport at 2.45 p.m. The flight is expected
to a one-hour sortie and will spray Silver Iodide, Sodium Chloride and
Potassium Chloride to condense the water particles. A committee, comprising
meteorologists, experts in cloud physics and hydrologists, will monitor the
process.
It
was in 2003 that Project Varuna, a cloud seeding project, was launched by the
then Minister for Water Resources H.K. Patil
Cloud
seeding (also known as weather modification technique) is an artificial way to
induce moisture in the clouds so as to cause a rainfall. In this process,
either silver iodide, potassium iodide or dry ice (solid carbon dioxide) are
spread onto the clouds causing rainfall. These iodide particles rise into the
clouds, cause moisture to freeze. These particles act as a base for water
vapours to settle on that later crystallises and falls as rain or snow
This
method can be used to bring significant amount of rainfall over a specified
area especially in location where rain is badly needed.
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