Sentences with phrase «influences snowmelt»

Natural variation in precipitation influences snowmelt timing and the seasonal distribution of streamflow.

Not exact matches

Changes in flow patterns of warm Pacific Ocean air from the south were driving earlier spring snowmelt, while decreasing summer sea ice had the greatest influence on later onset of snowpack in the fall.

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.

We show historical trends in snowmelt and runoff timing; examine climate factors that most influence these patterns; and present model projections for stream runoff in the future.

The influence of the Pacific Decadal Oscillation on instrumental and modeled Tsable River summer streamflow is likely linked to the enhanced role of snowmelt in determining summer discharge during cool phases.

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

Recent droughts are therefore not anomalous relative to the ~ 400 year pre-instrumental record... The influence of the Pacific Decadal Oscillation on instrumental and modeled Tsable River summer streamflow is likely linked to the enhanced role of snowmelt in determining summer discharge during cool phases.»