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Hydrology
Hydrology (ge)
Hydrology (fr)
permafrost
permafrost
Layer of soil or rock in which the temperature has been continuously below 0°C for at least some years.
Permafrost
Couche de sol ou de roches dans laquelle la température a été continuellement inférieure à 0°C pendant au moins quelques années.
Permafrost
Boden- oder Gesteinsschicht, in der die Temperatur für mehrere Jahre beständig unter 0 °C liegt.
Permafrost
Ground (soil or rock and included ice and organic material) that remains at or below 0°C for at least 2 consecutive years.