Case Study of Degrading Permafrost beneath a Road Embankment

被引：36

作者：

Alfaro, Marolo C. ^{[1
]}

Ciro, German A. ^{[2
]}

Thiessen, Kendall J. ^{[3
]}

Ng, Tony ^{[4
]}

机构：

[1] Univ Manitoba, Dept Civil Engn, Winnipeg, MB R3T 5V6, Canada

[2] AMEC Earth & Environm, Winnipeg, MB R3Y 1N4, Canada

[3] AECOM, Winnipeg, MB R3T 1L7, Canada

[4] Manitoba Infrastruct & Transportat Mat Engn Branc, Winnipeg, MB R3C 3Z1, Canada

来源：

JOURNAL OF COLD REGIONS ENGINEERING | 2009年 / 23卷 / 03期

关键词：

CLIMATE;

D O I：

10.1061/(ASCE)0887-381X(2009)23:3(93)

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper reports on a case study of degrading permafrost beneath a road embankment in Northern Manitoba, Canada. Field measurements of ground temperatures for a three-year monitoring period have been used in calibrating the geothermal model developed to reproduce the conditions and trends in the subsurface thermal regime beneath the embankment. The numerical model was used to investigate the future ground thermal regime of the foundation and evaluate the potential impacts of embankment construction and climate change. Particular interest was paid to the foundation soil near the toe of embankment where relatively rapid permafrost degradation was occurring.

引用

页码：93 / 111

页数：19

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