Sentences with phrase «snowmelt season»

The beginning of the snow accumulation season (the end of the snowmelt season) is projected to be later (earlier), and the fractional snow coverage is projected to decrease during the snow season (Hosaka et al., 2005).

Left images upper and lower: Head of the West Salt Creek rock avalanche near the end of the 2015 spring snowmelt season.

Not exact matches

The Warming Meadow's radiators raise average soil temperatures by about three degrees Fahrenheit, decrease growing season soil moisture by up to twenty percent and advance the spring snowmelt date by up to a month in order to simulate predicted effects of climate change.

The timing of snowmelt also influenced the timing of peak discharge from the North Slope river system and the start of the vegetative growing season, according to the researchers.

«The timing of snowmelt and length of the snow - free season significantly impacts weather, the permafrost, and wildlife — in short, the Arctic terrestrial system as a whole,» said Christopher Cox, a scientist with CIRES at the University of Colorado Boulder and NOAA's Physical Sciences Division in Boulder, Colorado.

The glaciers are disappearing, and the annual snowmelt is coming earlier each year, synchronizing it less and less well with the summer growing season.

These climate changes have measurable effects, like reductions in ground and surface water resources due to changing timing of precipitation and snowmelt, and measurable impacts like declining forest health and more wildfires, to altered crop seasons and greater irrigation demand.

These include increases in heavy downpours, rising temperature and sea level, rapidly retreating glaciers, thawing permafrost, lengthening growing seasons, lengthening ice - free seasons in the ocean and on lakes and rivers, earlier snowmelt, and alterations in river flows.

Among these physical changes are increases in heavy downpours, rising temperature and sea level, rapidly retreating glaciers, thawing permafrost, lengthening growing seasons, lengthening ice - free seasons in the oceans and on lakes and rivers, earlier snowmelt and alterations in river flows.

Large - scale flooding can also occur due to extreme precipitation in the absence of snowmelt (for example, Rush Creek and the Root River, Minnesota, in August 2007 and multiple rivers in southern Minnesota in September 2010).84 These warm - season events are projected to increase in magnitude.

Suggested mechanisms involve changes in the water cycle: increased evapotranspiration losses, extended water - stress periods, earlier snowmelt, and lengthened fire seasons.

Some early season warmth (in some spots, marginally record - breaking) has allowed for an acceleration in Sierra Nevada snowmelt, and many snow - fed rivers in California and Nevada are currently running high and cold.

The earlier snowmelt may benefit both species because there will be more berries, seeds, and bugs to eat early in the season when food can be scarce.

It «s not the enviros «fault that it «s hotter and drier, with earlier snowmelt and run - off, and fire seasons that are nearly three months longer.

Projected warming and drying in spring and summer combined with earlier snowmelt and more winter rain would likely exacerbate this trend by facilitating fire ignition and diminishing fuel moisture during the dry season [85].

The length of the growing season in interior Alaska has increased 45 % over the last century7 and that trend is projected to continue.8 This could improve conditions for agriculture where moisture is adequate, but will reduce water storage and increase the risks of more extensive wildfire and insect outbreaks across much of Alaska.9, 10 Changes in dates of snowmelt and freeze - up would influence seasonal migration of birds and other animals, increase the likelihood and rate of northerly range expansion of native and non-native species, alter the habitats of both ecologically important and endangered species, and affect ocean currents.11

Though growing seasons in some areas will expand, the combined impacts of drought, severe weather, lack of accumulated snowmelt, greater number and diversity of pests, lower groundwater tables and a loss of arable land could cause severe crop failures and livestock shortages worldwide.

Forest Service chief Thomas Tidwell told Congress two years ago that his agency faces conditions of higher temperatures, earlier mountain snowmelt, and much longer fire seasons, which «our scientists believe... is due to a change in climate.»