Estimation of snowmelt runoff in the Peace River region using a soil moisture budget

agua alberta bilan hydrique british columbia climatic factors colombie britannique depth eau eau de ruissellement equations escorrentia facteur climatique forecasting hiver invierno losses losses from soil mathematical models mathematics meltwater neige nieve perte prediction primavera printemps profondeur profundidad runoff snow soil thermal regimes spring water water balance water budget water erosion winter