Sentences with phrase «with snowpack»

But in a year with the snowpack at just a little over 30 percent, the natural recharge this year will be minimal, he said.
Large grains grow at the expense of small grains, so the average grain radius increases with snowpack age.
«With snowpack melting earlier in the year, that has a cascading effect on when the growing season of montane environments begins,» Woodburn said.

Not exact matches

With hydro, you can store more water behind a dam, but just a fraction of what the snowpack holds.
The state's snowpack reserves, which typically supply California's farmers and residents with roughly a third of their water, lingered at their lowest level in history in 2015.
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.»
I just think with a little over 3 weeks left of official winter, I'm looking forward to spring backcountry skiing, longer days, and hopefully some big ass spring storms to replenish that high country snowpack.
More accurate, cheaper measurements of snowpack can help the state, struggling with drought, to better manage water flows
«The snowpack we had this year was below average — around 70 percent of average towards the end of February, followed by one of the driest, warmest Marches on record,» said Tim Mathews, a fire meteorologist with the Rocky Mountain Coordination Center.
Nevada and other Western states like California and Arizona are already struggling with the problem of diminishing snowpack in their own states, and rely on the Colorado River for much - needed water.
As windblown crystals hit the snowpack, particles with opposite charges are attracted to each other and stick together to form a cornice.
If researchers know the steepness of the mountain slope, along with various friction parameters, they can calculate how far an avalanche is likely to flow given any number of different slab depth scenarios — a slab being the layers of snowpack that break off and slide down the mountain.
«This extreme variability is increasingly imprinted on these freshwater, terrestrial, and marine systems, and this has caused them to become more synchronous with one another with a number of implications for fisheries, drought, snowpack, and tree growth.»
But after dry winters with low snowpack, lake levels drop and toad eggs can find themselves in as little as 10 cm of water.
This time, no return to cooler period Tim Barnett, a climatologist at Scripps Institution of Oceanography, said the new results appear to agree with his earlier work that used climate models to show humans» greenhouse gas emissions have contributed to declining snowpack in the western United States.
If the gradient is big, with a large temperature difference between the top of the snowpack and the bottom, the snowpack is more likely to be unstable.
Changes come even with lower warming What was most surprising, Diffenbaugh said, is that the accelerated melting of the snowpack would occur even if the world were able to limit warming to the target of a 2 - degree - Celsius increase agreed upon in international climate negotiations in Copenhagen, Denmark.
Increasing water supply Water managers are looking to replace the projected losses of snowpacks, which serve as natural reservoirs, with new and expanded ways of storing water.
«Combined with declining snowpack and population growth, this will likely threaten the long - term ability of the basin to meet its water allocation commitments to the seven basin states and to Mexico,» Famiglietti said.
And the GPS data is about 50 percent more accurate than one hydrologic model used to estimate snowpack in the Sierra Nevada and roughly on par with another one, Argus said.
«The usual climate here is that we come out of winter with a pretty good snowpack, and then that slowly melts over spring into summer,» State Climatologist Nick Bond said.
The cleanest samples they collected were from northern Canada, with overall levels of black carbon, or soot, similar to that of Arctic snowpack.
«With all this oil exploration, diesel trucks and new oil wells, people wondered: Is there a huge amount of air pollution making the snowpack darker?»
Water managers are looking to replace the projected losses of snowpacks, which serve as natural reservoirs, with new and expanded ways of storing water.
Past strong El Niño events, such as in 1982 - 1983 and 1997 - 1998, have seen robust snowpacks, Swain said, but they may not be the case with any event now or in the future.
Snowpack is at 6 percent of normal for this time of year with the southern and central Sierra Nevada mountains registering a goose egg in terms of snow on the ground.
For this reason, most cities stick with traditional sources of freshwater, such as underground aquifers, rivers, lakes, and runoff from snowpack.
A warming climate will strongly influence Montana's snowpack, streamflow dynamics, and groundwater resources, with far - reaching consequences for social and ecological systems.
Much of the precipitation that fell across the state during the season was rain and not snow, with much below average snowpack at the end of the season.
The warm temperatures have combined with a shifted winter storm track that has left parts of Alaska with very low snowpacks.
Topography can also influence fire behavior by determining local microclimates — for example, variations in local snowpack, temperature, and humidity (Holden and Jolly 2011)-- or alignment with prevailing winds (Sharples 2009) which increase fire spread.
Negative: Combined with less available water from reduced and shortened snowpack, drier summers could reduce or shift growing season
Thus, the fire season in Montana typically extends from late June through October at lower elevations, with shorter seasons at higher elevations where snowpack can persist into July (Keane et al. forthcoming).
That threat is a concern with this year's low snowpack, as less snow leads to a drier landscape, Brettschneider said.
While it is often occurring in remote regions, ongoing change with the cryosphere has impacts on people all around the world: sea level rise affects coastlines globally, billions of people rely on water from snowpack, and the diminishing sea ice that covers the Arctic Ocean plays a significant role in Earth's climate and weather patterns.
More on precipitation and snowpack on this week's Climate Matters with Sean Sublette.
Related highlights: The Down and Dirty About North American Snowpack; Playing «tag» with pollution lets scientists see who's it.
With Colorado and the rest of the drought - plagued Southwest coming off a winter with record low snowpack, officials are braced for more fiWith Colorado and the rest of the drought - plagued Southwest coming off a winter with record low snowpack, officials are braced for more fiwith record low snowpack, officials are braced for more fires.
With the Central Valley barren, underground aquifer drained, and Sierra snowpack entirely depleted, most «Mojavs,» prevented by both armed vigilantes and an indifferent bureaucracy from freely crossing borders to lusher regions, have allowed themselves to be evacuated to internment camps.
Fernie has received 116 cm of snow season to date, with 14 cm of that coming in the last 7 days, currently the settle snowpack at the Bear Plot is at 67 cms.
Fernie Alpine Resort boasts by far the deepest snowpack of any ski area in the Rockies, with an average nine metres of annual snowfall.
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.
With cooperation from Mother Nature, we usually have a healthy snowpack for great skiing through mid...
Rising temperatures are associated with decreased snowpack, and many ecosystems are experiencing climate - induced shifts in the activity, range, or abundance of the species that inhabit them.
Results show that anthropogenic warming reduced average snowpack levels by 25 %, with middle - to - low elevations experiencing reductions between 26 and 43 %
The 2015 drought conditions and lack of snowpack led to a historically severe wildfire season with more than 1.6 million acres burned across Oregon and Washington, resulting in more than $ 560 million in fire suppression costs.
Snowfall varies across the region, comprising less than 10 % of total precipitation in the south, to more than half in the north, with as much as two inches of water available in the snowpack at the beginning of spring melt in the northern reaches of the river basins.81 When this amount of snowmelt is combined with heavy rainfall, the resulting flooding can be widespread and catastrophic (see «Cedar Rapids: A Tale of Vulnerability and Response»).82 Historical observations indicate declines in the frequency of high magnitude snowfall years over much of the Midwest, 83 but an increase in lake effect snowfall.61 These divergent trends and their inverse relationships with air temperatures make overall projections of regional impacts of the associated snowmelt extremely difficult.
Three different types of data sets are utilized to identify the changes in snowpack across the North Cascades since 1946 with time and elevation:
Winter balance of Easton Glacier measured in the spring near the time of maximum snowpack, April 1 snowpack swe from the five Snotel sites, and with maximum snowpack swe from Schrieber's Meadow 1000 m below the glacier ELA.
Three changes are evident with respect to snowpack and they are robust occurring regardless of time period or stations analyzed.
a b c d e f g h i j k l m n o p q r s t u v w x y z