WETTING FRONT ADVANCE AND FREEZING OF MELTWATER WITHIN A SNOW COVER .2. A SIMULATION-MODEL

被引：63

作者：

MARSH, P ^{[1
]}

WOO, MK ^{[1
]}

机构：

[1] MCMASTER UNIV,DEPT GEOG,HAMILTON L8S 4K1,ONTARIO,CANADA

来源：

WATER RESOURCES RESEARCH | 1984年 / 20卷 / 12期

关键词：

FLOW OF WATER - Mathematical Models - ICE - Thermodynamics - RUNOFF - SOILS - Frozen;

D O I：

10.1029/WR020i012p01865

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The model results demonstrate that ice layers grow rapidly over a 24- to 36-hour period due to the conduction of heat into the snow and underlying soil. Sufficient water is frozen as ice layers to slow the finger wetting front and to account for the rapid snow and soil warming. Wetting front advance and ice layer growth were found to be sensitive to snow temperature, thermal conductivity, volume of flow in the fingers, and irreducible water saturation. Basal ice growth was found to be sensitive to soil infiltration, length of the growing period, and the snowmelt rate. As a result of the negative soil heat flux, all meltwater is not available for runoff until both the liquid and thermal requirements of the snow and soil have been satisfied.

引用

页码：1865 / 1874

页数：10

共 10 条

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WATER RESOURCES RESEARCH, 1984, 20 (12) :1865-1874

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