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... > Science Keywords > EARTH SCIENCE > LAND SURFACE > GEOMORPHIC LANDFORMS/PROCESSES > KARST PROCESSES > POROSITY

Preferred term

POROSITY  

Definition

  • A measure of a rock's ability to hold a fluid. Mathematically, porosity is the open space in a rock divided by the total rock volume (solid + space or holes). Porosity is normally expressed as a percentage of the total rock which is taken up by pore space. (en)

Broader concept

Change note

  • 2013-08-05 14:20:50.0 [tbs1979] Insert Concept add broader relation (POROSITY [0317caf8-af0a-4abe-89fb-fd1d9c33b9e7,105479] - KARST PROCESSES [9cd875b0-210b-458f-b208-1690f50820d0,86105]);
  • 2013-08-20 10:49:44.0 [tbs1979] insert Definition (id: null text: A measure of a rock's ability to hold a fluid. Mathematically, porosity is the open space in a rock divided by the total rock volume (solid + space or holes). Porosity is normally expressed as a percentage of the total rock which is taken up by pore space. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/0317caf8-af0a-4abe-89fb-fd1d9c33b9e7

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