Sentences with phrase «snowpack provide»

Winter and spring mountain snowpack provide a crucial water source across much of the western United States.
Typically, the snowpack provides up to 30 % of the state's annual freshwater resources and is at a seasonal peak depth in early April.

Not exact matches

But existing models of water flows don't provide the full range of possible outcomes: «A 50 - year rain can produce a 100 - year flood if it falls on a watershed that's already soaked or on snowpack or if it coincides with a storm surge.»
In April, the governor issued the first mandatory statewide water use restrictions in California history, after snowpack in the Sierra Nevada Mountains — which provide 60 percent of the state's water — fell to the lowest levels ever recorded.
The Sierra Nevada snowpack, which provides about 65 percent of the state's water, has been declining since 1950, and a quarter of the snow is projected to disappear by 2050.
That glimpse into the past was provided by 66 tree - ring data sets scientists used to stitch together an annual record of snowpack far older than modern observations, which began in the early 20th century.
Vast stands of whitebark pine help to maintain the mountain snowpacks that provide water to more than 30 million people in 16 U.S. states each year.
Then, add to that reality the fact that nearly 400 million people rely, to some degree, on Himalayan snowpack and glacier melt to feed the Ganges and Brahmaputra Rivers which provide irrigation and drinking water for the heavily populated lands surrounding northern India.
Dewclaws provide certain breeds, such as the basenji and Catahoula leopard dog, gripping power for climbing trees, while dewclaws give the Great Pyrenees balance on rugged mountain terrain while herding sheep, and create a snowshoe effect in deep snowpack.
Snowy December is perfect for tree runs, while January and February provide solid snowpack, long days and some blue bird days with waist deep powder, if you are lucky.
In terms of winter precipitation, Pacific storms, bringing heavy precipitation to large parts of the West, produced high snowpack that will provide welcome runoff this spring.
Northwest: Relying on hydropower to provide 60 percent of its electricity generation means the Northwest is particularly susceptible to shifting rain, snowpack and runoff patterns.
From 1000 - 1900 m the USDA Snotel network provides an excellent network of snowpack and temperature data recorders in the North Cascades, but no sites are found on or adjacent to the highest accumulation areas, which are glaciers.
The snowpack that accumulates during winter storms provides about 70 - 90 % of water supply for the region.
«We went after snowpack in the western U.S. because it provides about 60 to 80 percent of the water input in high elevation mountains.»
It provides a crucial buffer against drought and the growing impacts of global warming, especially the diminishing mountain snowpack that has historically been a linchpin of California's water supply.
Satellites help farmers assess soil conditions before planting, allow foresters to examine logging activities, let water managers monitor the mountain snowpack that provides water to cities, and track the migration of wildlife such as buffalo and elephants.
Snowpack in the mountains of the Sierra Nevada, which provides water for power generation, was down as much as 50 percent in some areas in spring, McCorkle said.
For example, snowpack is expected to continue to decrease over the coming decades, reducing surface water supplies in the Western US [5] In such a situation, groundwater becomes particularly critical, providing a buffer during dry years that helps protect water supplies and ensures a reliable food supply [6].
Further, California's seasonal snowpack (which resides almost entirely in the Sierra Nevada Mountains) provides a critical source of runoff during the low - precipitation spring and summer months.
Crevasses also provide an opportunity to assess accumulation as a natural incision that provides a vertical view of snowpack thickness.
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