geocryological

Observations of soil temperature changes at the Marre-Sale geocryological station in the southwestern region of the Yamal Peninsula (Table 16.1) are especially illustrative.

Permafrost and infrastructure in the Arctic 2009

The susceptibility of permafrost to environmental hazards associated with thermokarst, ground settlement, and several other destructive cryogenic processes can be crudely evaluated using the geocryological hazard index, which is the combination of the projected percentage change in active-layer thickness and the ground ice content:

Infrastructure and climate in the Arctic 2009

Zoning of the permafrost area by the impact of human-induced geocryological processes on environmental conditions.

Infrastructure and climate in the Arctic 2009

Future geocryological hazards were projected using several scenarios of climate change (including those from the ACIA-designated models) as input to a permafrost model that included information about existing permafrost and ground ice distributions from the IPA.

Infrastructure and climate in the Arctic 2009

Figure 16.19 presents the geocryological hazard potential with respect to engineered structures projected for 2050, calculated using the HadCM3 scenario [12].

Infrastructure and climate in the Arctic 2009

Projected geocryological hazard potential in 2050, based on output from the HadCM3 model [1].

Infrastructure and climate in the Arctic 2009