Permafrost Vocabularies

Permafrost Vocabularies

seasonal freezing index

Link: http://w3id.org/permafrost/v/ipaglossary/t0285

Within: IPA Permafrost Glossary

Definition: The cumulative number of degree-days below 0°C, calculated as the arithmetic sum of all the negative and positive mean daily air temperatures (°C) for a specific station during the time period between the highest point in the fall and the lowest point the next spring on the cumulative degree-day time curve.

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