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Ontologies
PCSM
| ID | http://purl.obolibrary.org/obo/ENVO_00000134
http://purl.obolibrary.org/obo/ENVO_00000134
https://agroportal.lirmm.fr/ontologies/PCSM/ENVO_00000134
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| Preferred name | permafrost |
| Definitions |
Ice is not always present, as may be in the case of nonporous bedrock, but it frequently occurs and it may be in amounts exceeding the potential hydraulic saturation of the ground material.
An environmental material which is 1) composed primarily of soil or rock and included ice or organic material and 2) at or below the freezing point of water for two or more years.
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Raw data
| rdfs:comment | Ice is not always present, as may be in the case of nonporous bedrock, but it frequently occurs and it may be in amounts exceeding the potential hydraulic saturation of the ground material.
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| rdf:type | |
| rdfs:subClassOf | |
| rdfs:label | permafrost
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| obo_purl:IAO_0000115 | An environmental material which is 1) composed primarily of soil or rock and included ice or organic material and 2) at or below the freezing point of water for two or more years.
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| oboinowl_gen:hasDbXref | |
| oboinowl_gen:inSubset | |
| obo_purl:RO_0000086 | |