gcmd_keyword : TEMPERATURE INDICES>FREEZING INDEX

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definition The total annual freezing and thawing indices are defined as the cumulative number of degree-days when air temperatures are below and above zero degrees Celsius. The total annual freezing index has been widely used to predict permafrost distribution; estimate the maximum thickness of sea, lake, and river ice, and the maximum depth of ground-frost penetration; and classify snow types. The annual total thawing index has been used to predict permafrost distribution and to estimate the maximum depth of thaw in frozen ground. Both total freezing and thawing indices are important parameters for engineering design in cold regions.
identifier bc6d73a9-4943-4a3e-9f9d-9406fa54b0bc
label FREEZING INDEX
parent_identifier e8580cbb-701a-4ab1-a40f-5fae4ae1ea24
GCMD Metadata bc6d73a9-4943-4a3e-9f9d-9406fa54b0bc
Ancestors FREEZING INDEX < TEMPERATURE INDICES < ATMOSPHERIC/OCEAN INDICATORS < CLIMATE INDICATORS < EARTH SCIENCE < Science Keywords