| Term: | Design thawing index |
| Definition: |
The cumulative number of degree-days above 0 degrees Celsius, calculated by taking the average of the seasonal thawing indices for the three warmest summers in the most recent 30 years of record. NSIDCCryosphere
The cumulative number of degree-days above 0˚C, calculated by taking the average of the seasonal thawing indices for the three warmest summers in the most recent 30 years of record IPAPermafrost GCW |