岛状冻土

岛状冻土路基常见病害及控制措施分析

Common disease and control measure analysis of island permafrost subgrade

阿根公路岛状冻土路基施工

Agen road island - shaped frozen soil bed construction

黑龙江萝北县岛状冻土带砂金分布特征及其成因探讨

The distributive characteristics of the placer gold in the island frozen soil layer in the Luobei , Heilongjiang Province and its origin

土壤动物多样性分析表明，中小型土壤动物的多样性指数从岛状冻土带到连续多年冻土带逐渐减小，而大型土壤动物的多样性指数在不同冻土带间的变化规律不明显。

The analysis of soil fauna diversity indicated that the diversity index of meso / microfauna declined from the island tundra to the continuous tundra , whereas the diversity index of macrofauna did not show any obvious law of variation between tundra s.

地震勘探技术在岛状多年冻土勘察中的应用

The Use of Seismic Exploration in Investigation of Perennial Frost

黑北公路岛状多年冻土区特殊的工程地质条件和冻融过程使公路修筑技术研究具有较大的复杂性，在此对融沉影响进行了初步探讨。

Highway construction techniques of Hei-Bei road in islet permafrost area are approached .

东北岛状多年冻土区公路路基清基试验研究

Foundation Clearing Test Study of highway Subgrade in Patchy Permafrost Regions of Northeast China

冷湿的气候和岛状多年冻土，以及低缓的地貌是本区沼泽形成的主要因素。

The cold-wet climate , and the island-shape permafrost as well as the low-gentle geomorphy are the determination factors of bog formation in this area .

岛状多年冻土和季节冻土区年均地温升高约03～07℃，大片连续多年冻土区升幅较小，为01～04℃。

Annual mean ground temperature increases about 0.3 ~ 0.7 ℃ in island permafrost and seasonal frozen ground areas , and about 0.1 ~ 0.4 ℃ in predominantly continuous permafrost area .

祁连山水源涵养林区季节性冻土广泛发育，局部地区分布有连续或岛状多年冻土。

There is more seasonal frozen earth , and some places are distributed with perennial frozen earth consecutive or in the shape of island in the water resource conservation forest areas in Qilian Mountains .