gcmd_keyword : FROZEN GROUND>PERMAFROST

JSON YAML text HTML Turtle N-Triples JSON Triples RDF+XML RDF+JSON Graphviz SVG
/gcmd_keyword/b6723314-3db7-4bdd-85ee-0b8507e6ae1b
Relationships
publications
parent
gcmd_keywords
Fields
definition (Also called perennially frozen ground, pergelisol, permanently frozen ground.) A layer of soil or bedrock at a variable depth beneath the surface of the earth in which the temperature has been below freezing continuously from a few to several thousands of years. Permafrost exists where the summer heating fails to descend to the base of the layer of frozen ground. A continuous stratum of permafrost is found where the annual mean temperature is below about 5C (23F).
identifier b6723314-3db7-4bdd-85ee-0b8507e6ae1b
label PERMAFROST
parent_identifier 8073b62d-a2f3-4ad9-b619-de26f28877a7
GCMD Metadata b6723314-3db7-4bdd-85ee-0b8507e6ae1b
Ancestors PERMAFROST < FROZEN GROUND < LAND SURFACE < EARTH SCIENCE < Science Keywords