New analysis and maps by a NOAA climate scientist reveal a surprising trend: Snowfall is declining worldwide as temperatures rise due to human-caused climate change.
The implications of this aren’t just limited to less snow removal; threatens to intensify global warming and disrupt food and water supplies for billions of people.
Climate scientists say the future of snowfall is pretty clear: As the world warms due to human pollution, precipitation is more likely to fall as rain than snow.
Although climate change may initially lead to more extreme winter storms and increased snowfall in some regions, such as the northeastern United States, as global temperatures continue to rise, such years will become less frequent. Eventually, snow amounts could plummet.
This decrease in snowfall will have significant impacts on global water supplies, as the snowpack acts as a natural reservoir that stores water during wet seasons and releases it as melt when water is scarce.
The threat to water supplies from declining snowpack is especially pronounced in climates prone to extreme precipitation cycles, such as the Mediterranean climate found in California and parts of the American West.
California, for example, relies heavily on dry-season snow runoff for its ecosystems, agriculture, and cities.
The solution to this problem will not be a single approach, but a combination of strategies and investments at different scales. It is crucial to understand and identify the scope of the problem before devising effective solutions.
The status quo of water management is challenged by global warming, and infrastructure and practices rooted in historical climate data will become irrelevant in the developing climate reality.
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