permafrost

• Substantivo que designa o solo, geralmente em regiões polares ou de alta montanha, que permanece a uma temperatura igual ou inferior à de congelamento por pelo menos dois anos consecutivos. Também se refere à camada ou zona de solo permanentemente congelado.

A noun referring to ground, typically in polar or high-altitude regions, that remains at or below freezing point for at least two consecutive years.

incontável

1. Permanently frozen groundB2formalscientific

   A layer of soil or rock that remains at or below freezing point for at least two consecutive years, typically found in polar regions.

   Permafrost

   • Climate change is causing permafrost to thaw at an alarming rate.
   • Buildings in Siberia are specially designed to withstand the shifting permafrost.
   • Scientists study permafrost to understand ancient climate conditions.