Cloud seeding part of efforts to put the brakes on #snowpack decline #aridification

Cloud-seeding graphic via Science Matters

From KUNC (Luke Runyon):

A lot of the current water scarcity problems in the Southwest could be eased if it just snowed more and with a regular frequency in the high country of Colorado, Utah and Wyoming. More snow means more time to deal with the Colorado River’s fundamental supply and demand imbalance.

The onus to correcting that imbalance often falls more on the demand side of the equation, with myriad policy pushes that either incentivize or force people to use less water. On the supply side, options are limited.

There’s one tempting proposition for western water managers currently feeling the pressure to dole out cutbacks to users due to the region’s ongoing aridification — inducing clouds to drop more snow.

For decades, states have invested in weather modification programs, also known as cloud seeding, in the hopes of boosting precious snowpack. The practice showed up in a recent agreement among Colorado River Basin states, and investment is expanding, with water agencies in Wyoming and Colorado for the first time putting funds toward aerial cloud seeding, rather than solely relying on ground-based generators.

State cloud seeding programs. Graphic credit: The Huffington Post

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