This is the vegetational climate of arctic permafrost regions.
这是北极永冻地区的植物气候。
The construction techniques for culverts in plateau permafrost regions are introduced.
阐述了高原多年冻土区各类涵洞施工工艺。
There are 50 years history about subgrade construction technology and the relevant research in the permafrost regions.
目前，针对级配碎石力学性能研究较少，在多年冻土地区的应用研究还是空白。
The feasible measures to prevent bridge disease and the methods of disease treatment in plateau permafrost regions are summarized.
系统的归纳、总结了高原冻土地区切实可行的桥梁病害预防对策和现状病害治理方法。
This study provides isotopic evidence in hydrological cycle research and a theoretical support of water resource protection in permafrost regions.
该研究为多年冻土区水文过程的变化规律提供了同位素证据。
In permafrost regions, the construction of railway should keep the subgrade frozen permanently so as to maintain the stability of the frozen subgrade.
在多年冻土地区修建铁路，为确保冻土路基的稳定，应使路基长期处于冻结状态。
After asphalt pavement having been constructed in permafrost regions, permafrost thermal regime and permafrost table under roadbed will undergo a change.
多年冻土区修筑沥青路面后，引起了路基下多年冻土上限、多年冻土热状态等变化。
Subgrade construction technology in permafrost regions is a worldwide difficult problem. Nowadays, this problem is still a focus in many countries and regions.
多年冻土地区修筑道路一直是世界性难题，至今仍然是许多国家和地区研究的热点。
Therefore, it is proposed that in warmer permafrost regions, the insulation should be used to increase the cooling effect of embankment with crushed-rock revetment.
因此，建议在高温多年冻土区使用抛石护坡路基结构时，应考虑使用保温材料作为一种对抛石护坡路基进行保温补强的措施。
Reference basis is provided for the stability of land bridge along Qinghai—Tibet Railway and the design and construction of pile foundation in high temperature permafrost regions.
此研究为预测青藏铁路旱桥桩基稳定以及高温多年冻土桩基的设计与施工提供参考依据。
Thus, the applicability of block-stone embankment structure is worth to be discussed in order to take corresponding measures to solve the stability problems of embankment in warm permafrost regions.
块石路基结构在高温多年冻土区适应性问题仍值得讨论，应采取相对应的补强措施，确保高温多年冻土区路基稳定性。
Other climate-friendly steps include studies and reporting, education, and preparations for adaptation measures in the most vulnerable regions, for example, in permafrost and flood-risk areas.
其他气候友好的措施包括研究和报告、教育、以及在最易受影响的地区（如永久冻土带和有洪水风险的地区）做好应对准备。
Rising temperatures will melt the world's regions of permafrost, releasing more carbon dioxide and methane, which will raise temperatures even further.
温度上升将融化世界范围内的冻土层，释放更多的二氧化碳和甲烷，这将导致温度的进一步升高。
The global change appears to affect the Arctic and Antarctic regions such as the events of ozone hole in the Antarctic atmosphere and north moving of permafrost zone in the Arctic region.
同时，南极上空臭氧空洞的出现，北极地区冻土带的北移等都表明全球变化也在明显地影响着两极。
Much of the basin is made up of permafrost, a layer of frozen soil in Earth's polar regions.
盆地大部分是由永久冻土带构成，是地球的两极地区的冻土层。
China is one of the biggest countries which have large area of cold regions, the area of permafrost and seasonally cold regions account approximately 75% of the total land area.
我国是寒区面积分布最多的国家之一，永久性冻土和季节性冻土面积约占全国陆地总面积的75%。
China is one of the biggest countries which have large area of cold regions, the area of permafrost and seasonally cold regions account approximately 75% of the total land area.
我国是寒区面积分布最多的国家之一，永久性冻土和季节性冻土面积约占全国陆地总面积的75%。
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